diff --git a/Gemfile b/Gemfile
index 4dc93aaf7..a5c7dd01f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -39,7 +39,6 @@ gem "devise_two_factor_authentication"
 # UK postcode parsing and validation
 gem "uk_postcode"
 # Get rich data from postcode lookups. Wraps postcodes.io
-gem "postcodes_io"
 # Use Ruby objects to build reusable markup. A React inspired evolution of the presenter pattern
 gem "view_component", "~> 3.9"
 # Use the AWS S3 SDK as storage mechanism
@@ -112,3 +111,5 @@ end
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem "cssbundling-rails"
 gem "tzinfo-data", platforms: %i[mingw mswin x64_mingw jruby]
+
+gem "excon", "~> 0.111.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 7cc2addda..cdf923ae0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,7 @@ GEM
     et-orbi (1.2.11)
       tzinfo
     event_stream_parser (1.0.0)
-    excon (0.109.0)
+    excon (0.111.0)
     factory_bot (6.4.6)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.4.3)
@@ -302,8 +302,6 @@ GEM
       racc
     pg (1.5.5)
     possessive (1.0.1)
-    postcodes_io (0.4.0)
-      excon (~> 0.39)
     propshaft (0.8.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -533,6 +531,7 @@ DEPENDENCIES
   devise_two_factor_authentication
   dotenv-rails
   erb_lint
+  excon (~> 0.111.0)
   factory_bot_rails
   faker
   govuk-components (~> 5.1)
@@ -549,7 +548,6 @@ DEPENDENCIES
   parallel_tests
   pg (~> 1.1)
   possessive
-  postcodes_io
   propshaft
   pry-byebug
   puma (~> 5.6)
diff --git a/app/models/form/lettings/pages/no_females_pregnant_household_lead_age_value_check.rb b/app/models/form/lettings/pages/no_females_pregnant_household_lead_age_value_check.rb
index 99d7e6bfa..68b1c7f09 100644
--- a/app/models/form/lettings/pages/no_females_pregnant_household_lead_age_value_check.rb
+++ b/app/models/form/lettings/pages/no_females_pregnant_household_lead_age_value_check.rb
@@ -2,13 +2,13 @@ class Form::Lettings::Pages::NoFemalesPregnantHouseholdLeadAgeValueCheck < ::For
   def initialize(id, hsh, subsection)
     super(id, hsh, subsection)
     @id = "no_females_pregnant_household_lead_age_value_check"
-    @depends_on = [{ "no_females_in_a_pregnant_household?" => true }]
+    @depends_on = [{ "all_male_tenants_in_a_pregnant_household?" => true }]
     @title_text = {
       "translation" => "soft_validations.pregnancy.title",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @informative_text = {
-      "translation" => "soft_validations.pregnancy.no_females",
+      "translation" => "soft_validations.pregnancy.all_male_tenants",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
   end
diff --git a/app/models/form/lettings/pages/no_females_pregnant_household_lead_hhmemb_value_check.rb b/app/models/form/lettings/pages/no_females_pregnant_household_lead_hhmemb_value_check.rb
index c39fecbc3..e1d1235ef 100644
--- a/app/models/form/lettings/pages/no_females_pregnant_household_lead_hhmemb_value_check.rb
+++ b/app/models/form/lettings/pages/no_females_pregnant_household_lead_hhmemb_value_check.rb
@@ -2,13 +2,13 @@ class Form::Lettings::Pages::NoFemalesPregnantHouseholdLeadHhmembValueCheck < ::
   def initialize(id, hsh, subsection)
     super
     @id = "no_females_pregnant_household_lead_hhmemb_value_check"
-    @depends_on = [{ "no_females_in_a_pregnant_household?" => true }]
+    @depends_on = [{ "all_male_tenants_in_a_pregnant_household?" => true }]
     @title_text = {
       "translation" => "soft_validations.pregnancy.title",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @informative_text = {
-      "translation" => "soft_validations.pregnancy.no_females",
+      "translation" => "soft_validations.pregnancy.all_male_tenants",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
   end
diff --git a/app/models/form/lettings/pages/no_females_pregnant_household_lead_value_check.rb b/app/models/form/lettings/pages/no_females_pregnant_household_lead_value_check.rb
index b90831b4b..416845735 100644
--- a/app/models/form/lettings/pages/no_females_pregnant_household_lead_value_check.rb
+++ b/app/models/form/lettings/pages/no_females_pregnant_household_lead_value_check.rb
@@ -2,13 +2,13 @@ class Form::Lettings::Pages::NoFemalesPregnantHouseholdLeadValueCheck < ::Form::
   def initialize(id, hsh, subsection)
     super
     @id = "no_females_pregnant_household_lead_value_check"
-    @depends_on = [{ "no_females_in_a_pregnant_household?" => true }]
+    @depends_on = [{ "all_male_tenants_in_a_pregnant_household?" => true }]
     @title_text = {
       "translation" => "soft_validations.pregnancy.title",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @informative_text = {
-      "translation" => "soft_validations.pregnancy.no_females",
+      "translation" => "soft_validations.pregnancy.all_male_tenants",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
   end
diff --git a/app/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check.rb b/app/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check.rb
index 13c39ab11..12db3a08e 100644
--- a/app/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check.rb
+++ b/app/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check.rb
@@ -2,13 +2,13 @@ class Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonAgeValueCheck < ::F
   def initialize(id, hsh, subsection, person_index:)
     super(id, hsh, subsection)
     @id = "no_females_pregnant_household_person_#{person_index}_age_value_check"
-    @depends_on = [{ "no_females_in_a_pregnant_household?" => true, "age#{person_index}_known" => 0 }]
+    @depends_on = [{ "all_male_tenants_in_a_pregnant_household?" => true, "age#{person_index}_known" => 0 }]
     @title_text = {
       "translation" => "soft_validations.pregnancy.title",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @informative_text = {
-      "translation" => "soft_validations.pregnancy.no_females",
+      "translation" => "soft_validations.pregnancy.all_male_tenants",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @person_index = person_index
diff --git a/app/models/form/lettings/pages/no_females_pregnant_household_person_value_check.rb b/app/models/form/lettings/pages/no_females_pregnant_household_person_value_check.rb
index 0f5e93021..f04333ec0 100644
--- a/app/models/form/lettings/pages/no_females_pregnant_household_person_value_check.rb
+++ b/app/models/form/lettings/pages/no_females_pregnant_household_person_value_check.rb
@@ -2,13 +2,13 @@ class Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonValueCheck < ::Form
   def initialize(id, hsh, subsection, person_index:)
     super(id, hsh, subsection)
     @id = "no_females_pregnant_household_person_#{person_index}_value_check"
-    @depends_on = [{ "no_females_in_a_pregnant_household?" => true, "details_known_#{person_index}" => 0 }]
+    @depends_on = [{ "all_male_tenants_in_a_pregnant_household?" => true, "details_known_#{person_index}" => 0 }]
     @title_text = {
       "translation" => "soft_validations.pregnancy.title",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @informative_text = {
-      "translation" => "soft_validations.pregnancy.no_females",
+      "translation" => "soft_validations.pregnancy.all_male_tenants",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @person_index = person_index
diff --git a/app/models/form/lettings/pages/no_females_pregnant_household_value_check.rb b/app/models/form/lettings/pages/no_females_pregnant_household_value_check.rb
index bf4494135..9c84a953f 100644
--- a/app/models/form/lettings/pages/no_females_pregnant_household_value_check.rb
+++ b/app/models/form/lettings/pages/no_females_pregnant_household_value_check.rb
@@ -2,13 +2,13 @@ class Form::Lettings::Pages::NoFemalesPregnantHouseholdValueCheck < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "no_females_pregnant_household_value_check"
-    @depends_on = [{ "no_females_in_a_pregnant_household?" => true }]
+    @depends_on = [{ "all_male_tenants_in_a_pregnant_household?" => true }]
     @title_text = {
       "translation" => "soft_validations.pregnancy.title",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
     @informative_text = {
-      "translation" => "soft_validations.pregnancy.no_females",
+      "translation" => "soft_validations.pregnancy.all_male_tenants",
       "arguments" => [{ "key" => "sex1", "label" => true, "i18n_template" => "sex1" }],
     }
   end
diff --git a/app/models/validations/soft_validations.rb b/app/models/validations/soft_validations.rb
index 5f1ac9c7a..41309cef0 100644
--- a/app/models/validations/soft_validations.rb
+++ b/app/models/validations/soft_validations.rb
@@ -67,8 +67,8 @@ module Validations::SoftValidations
     end
   end
 
-  def no_females_in_a_pregnant_household?
-    !females_in_the_household? && all_tenants_gender_information_completed? && preg_occ == 1
+  def all_male_tenants_in_a_pregnant_household?
+    all_male_tenants_in_the_household? && all_tenants_gender_information_completed? && preg_occ == 1
   end
 
   def female_in_pregnant_household_in_soft_validation_range?
@@ -226,6 +226,14 @@ private
     end
   end
 
+  def all_male_tenants_in_the_household?
+    person_count = hhmemb || 8
+
+    (1..person_count).all? do |n|
+      public_send("sex#{n}") == "M"
+    end
+  end
+
   def tenant_is_retired?(economic_status)
     economic_status == 5
   end
diff --git a/app/services/postcode_service.rb b/app/services/postcode_service.rb
index c3c6dcfdd..8cfe9c43c 100644
--- a/app/services/postcode_service.rb
+++ b/app/services/postcode_service.rb
@@ -1,26 +1,24 @@
 class PostcodeService
-  def initialize
-    @pio = Postcodes::IO.new
-  end
-
   def lookup(postcode)
     # Avoid network calls when postcode is invalid
     return unless postcode.match(POSTCODE_REGEXP)
 
-    postcode_lookup = nil
+    result = nil
     begin
       # URI encoding only supports ASCII characters
       ascii_postcode = self.class.clean(postcode)
-      Timeout.timeout(30) { postcode_lookup = @pio.lookup(ascii_postcode) }
-    rescue Timeout::Error
-      Rails.logger.warn("Postcodes.io lookup timed out")
-    end
-    if postcode_lookup && postcode_lookup.info.present?
-      {
-        location_code: postcode_lookup.codes["admin_district"],
-        location_admin_district: postcode_lookup&.admin_district,
+      response = Excon.get("https://api.postcodes.io/postcodes/#{ascii_postcode}", idempotent: true, timeout: 30, expects: [200])
+      parsed_response = JSON.parse(response.body)
+      result = {
+        location_code: parsed_response["result"]["codes"]["admin_district"],
+        location_admin_district: parsed_response["result"]["admin_district"],
       }
+    rescue Excon::Error => e
+      Rails.logger.warn("Postcode lookup request was not successful: #{e} #{e.response.body}")
+    rescue StandardError => e
+      Rails.logger.error("Unexpected error with postcode lookup request: #{e}")
     end
+    result
   end
 
   def self.clean(postcode)
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 4033c2534..6ebc090b6 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -1170,7 +1170,7 @@
             "no_females_pregnant_household_lead_hhmemb_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
@@ -1312,7 +1312,7 @@
             "no_females_pregnant_household_lead_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
@@ -1433,7 +1433,7 @@
             "no_females_pregnant_household_lead_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
@@ -2091,7 +2091,7 @@
             "no_females_pregnant_household_person_2_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age2_known": 0
                 }
               ],
@@ -2214,7 +2214,7 @@
             "no_females_pregnant_household_person_2_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_2": 0
                 }
               ],
@@ -2626,7 +2626,7 @@
             "no_females_pregnant_household_person_3_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age3_known": 0
                 }
               ],
@@ -2749,7 +2749,7 @@
             "no_females_pregnant_household_person_3_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_3": 0
                 }
               ],
@@ -3158,7 +3158,7 @@
             "no_females_pregnant_household_person_4_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age4_known": 0
                 }
               ],
@@ -3281,7 +3281,7 @@
             "no_females_pregnant_household_person_4_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_4": 0
                 }
               ],
@@ -3687,7 +3687,7 @@
             "no_females_pregnant_household_person_5_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age5_known": 0
                 }
               ],
@@ -3810,7 +3810,7 @@
             "no_females_pregnant_household_person_5_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_5": 0
                 }
               ],
@@ -4213,7 +4213,7 @@
             "no_females_pregnant_household_person_6_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age6_known": 0
                 }
               ],
@@ -4336,7 +4336,7 @@
             "no_females_pregnant_household_person_6_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_6": 0
                 }
               ],
@@ -4736,7 +4736,7 @@
             "no_females_pregnant_household_person_7_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age7_known": 0
                 }
               ],
@@ -4859,7 +4859,7 @@
             "no_females_pregnant_household_person_7_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_7": 0
                 }
               ],
@@ -5256,7 +5256,7 @@
             "no_females_pregnant_household_person_8_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age8_known": 0
                 }
               ],
@@ -5379,7 +5379,7 @@
             "no_females_pregnant_household_person_8_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_8": 0
                 }
               ],
@@ -5794,7 +5794,7 @@
             "no_females_pregnant_household_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
diff --git a/config/forms/2022_2023.json b/config/forms/2022_2023.json
index 6065653fd..54cd67fd4 100644
--- a/config/forms/2022_2023.json
+++ b/config/forms/2022_2023.json
@@ -1200,7 +1200,7 @@
             "no_females_pregnant_household_lead_hhmemb_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
@@ -1372,7 +1372,7 @@
             "no_females_pregnant_household_lead_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
@@ -1523,7 +1523,7 @@
             "no_females_pregnant_household_lead_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
@@ -2163,7 +2163,7 @@
             "no_females_pregnant_household_person_2_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age2_known": 0
                 }
               ],
@@ -2316,7 +2316,7 @@
             "no_females_pregnant_household_person_2_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_2": 0
                 }
               ],
@@ -2746,7 +2746,7 @@
             "no_females_pregnant_household_person_3_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age3_known": 0
                 }
               ],
@@ -2899,7 +2899,7 @@
             "no_females_pregnant_household_person_3_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_3": 0
                 }
               ],
@@ -3326,7 +3326,7 @@
             "no_females_pregnant_household_person_4_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age4_known": 0
                 }
               ],
@@ -3479,7 +3479,7 @@
             "no_females_pregnant_household_person_4_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_4": 0
                 }
               ],
@@ -3903,7 +3903,7 @@
             "no_females_pregnant_household_person_5_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age5_known": 0
                 }
               ],
@@ -4056,7 +4056,7 @@
             "no_females_pregnant_household_person_5_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_5": 0
                 }
               ],
@@ -4477,7 +4477,7 @@
             "no_females_pregnant_household_person_6_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age6_known": 0
                 }
               ],
@@ -4630,7 +4630,7 @@
             "no_females_pregnant_household_person_6_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_6": 0
                 }
               ],
@@ -5048,7 +5048,7 @@
             "no_females_pregnant_household_person_7_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age7_known": 0
                 }
               ],
@@ -5201,7 +5201,7 @@
             "no_females_pregnant_household_person_7_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_7": 0
                 }
               ],
@@ -5616,7 +5616,7 @@
             "no_females_pregnant_household_person_8_age_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "age8_known": 0
                 }
               ],
@@ -5769,7 +5769,7 @@
             "no_females_pregnant_household_person_8_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true,
+                  "all_male_tenants_in_a_pregnant_household?": true,
                   "details_known_8": 0
                 }
               ],
@@ -6205,7 +6205,7 @@
             "no_females_pregnant_household_value_check": {
               "depends_on": [
                 {
-                  "no_females_in_a_pregnant_household?": true
+                  "all_male_tenants_in_a_pregnant_household?": true
                 }
               ],
               "title_text": {
diff --git a/config/locales/en.yml b/config/locales/en.yml
index c8c5cffc4..c666746da 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -723,7 +723,7 @@ Make sure these answers are correct."
       hint_text: "This is higher than the purchase price minus the discount."
     pregnancy:
       title: "You told us somebody in the household is pregnant"
-      no_females: "You also told us there are no female tenants living at the property."
+      all_male_tenants: "You also told us that all the tenants living at the property are male."
       females_not_in_soft_age_range: "You also told us that any female tenants living at the property are in the following age ranges:<ul><li>under 16 years old</li><li>over 50 years old</li></ul>"
     major_repairs_date:
       title_text: "You told us the property has been vacant for 2 years."
diff --git a/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb b/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb
index 0d61b08f1..818a2b589 100644
--- a/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb
+++ b/spec/lib/tasks/update_schemes_and_locations_from_csv_spec.rb
@@ -25,7 +25,7 @@ RSpec.describe "bulk_update" do
     allow(ENV).to receive(:[]).with("BULK_UPLOAD_BUCKET").and_return(instance_name)
 
     WebMock.stub_request(:get, /api\.postcodes\.io/)
-      .to_return(status: 200, body: "{\"status\":404,\"error\":\"Postcode not found\"}", headers: {})
+      .to_return(status: 404, body: "{\"status\":404,\"error\":\"Postcode not found\"}", headers: {})
     WebMock.stub_request(:get, /api\.postcodes\.io\/postcodes\/B11BB/)
       .to_return(status: 200, body: '{"status":200,"result":{"admin_district":"Westminster","codes":{"admin_district":"E09000033"}}}', headers: {})
   end
diff --git a/spec/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check_spec.rb b/spec/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check_spec.rb
index 06f17b190..d62fccc13 100644
--- a/spec/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check_spec.rb
+++ b/spec/models/form/lettings/pages/no_females_pregnant_household_person_age_value_check_spec.rb
@@ -33,7 +33,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonAgeValueCh
         [
           {
             "age2_known" => 0,
-            "no_females_in_a_pregnant_household?" => true,
+            "all_male_tenants_in_a_pregnant_household?" => true,
           },
         ],
       )
@@ -54,7 +54,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonAgeValueCh
 
     it "has the correct informative_text" do
       expect(page.informative_text).to eq({
-        "translation" => "soft_validations.pregnancy.no_females",
+        "translation" => "soft_validations.pregnancy.all_male_tenants",
         "arguments" => [
           {
             "key" => "sex1",
@@ -78,7 +78,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonAgeValueCh
         [
           {
             "age3_known" => 0,
-            "no_females_in_a_pregnant_household?" => true,
+            "all_male_tenants_in_a_pregnant_household?" => true,
           },
         ],
       )
@@ -99,7 +99,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonAgeValueCh
 
     it "has the correct informative_text" do
       expect(page.informative_text).to eq({
-        "translation" => "soft_validations.pregnancy.no_females",
+        "translation" => "soft_validations.pregnancy.all_male_tenants",
         "arguments" => [
           {
             "key" => "sex1",
diff --git a/spec/models/form/lettings/pages/no_females_pregnant_household_person_value_check_spec.rb b/spec/models/form/lettings/pages/no_females_pregnant_household_person_value_check_spec.rb
index 4be9a5ef2..dca600e0f 100644
--- a/spec/models/form/lettings/pages/no_females_pregnant_household_person_value_check_spec.rb
+++ b/spec/models/form/lettings/pages/no_females_pregnant_household_person_value_check_spec.rb
@@ -33,7 +33,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonValueCheck
         [
           {
             "details_known_2" => 0,
-            "no_females_in_a_pregnant_household?" => true,
+            "all_male_tenants_in_a_pregnant_household?" => true,
           },
         ],
       )
@@ -54,7 +54,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonValueCheck
 
     it "has the correct informative_text" do
       expect(page.informative_text).to eq({
-        "translation" => "soft_validations.pregnancy.no_females",
+        "translation" => "soft_validations.pregnancy.all_male_tenants",
         "arguments" => [
           {
             "key" => "sex1",
@@ -78,7 +78,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonValueCheck
         [
           {
             "details_known_3" => 0,
-            "no_females_in_a_pregnant_household?" => true,
+            "all_male_tenants_in_a_pregnant_household?" => true,
           },
         ],
       )
@@ -99,7 +99,7 @@ RSpec.describe Form::Lettings::Pages::NoFemalesPregnantHouseholdPersonValueCheck
 
     it "has the correct informative_text" do
       expect(page.informative_text).to eq({
-        "translation" => "soft_validations.pregnancy.no_females",
+        "translation" => "soft_validations.pregnancy.all_male_tenants",
         "arguments" => [
           {
             "key" => "sex1",
diff --git a/spec/models/lettings_log_spec.rb b/spec/models/lettings_log_spec.rb
index 2001c0bfa..92452f197 100644
--- a/spec/models/lettings_log_spec.rb
+++ b/spec/models/lettings_log_spec.rb
@@ -329,17 +329,6 @@ RSpec.describe LettingsLog do
           .to raise_error(ActiveRecord::RecordInvalid, /#{I18n.t("validations.postcode")}/)
       end
 
-      context "when the local authority lookup times out" do
-        before do
-          allow(Timeout).to receive(:timeout).and_raise(Timeout::Error)
-        end
-
-        it "logs a warning" do
-          expect(Rails.logger).to receive(:warn).with("Postcodes.io lookup timed out")
-          address_lettings_log.update!({ postcode_known: 1, postcode_full: "M1 1AD" })
-        end
-      end
-
       it "correctly resets all fields if property postcode not known" do
         address_lettings_log.update!({ postcode_known: 0 })
 
diff --git a/spec/models/sales_log_spec.rb b/spec/models/sales_log_spec.rb
index ddc696be4..a568ca330 100644
--- a/spec/models/sales_log_spec.rb
+++ b/spec/models/sales_log_spec.rb
@@ -628,17 +628,6 @@ RSpec.describe SalesLog, type: :model do
         .to raise_error(ActiveRecord::RecordInvalid, /#{I18n.t("validations.postcode")}/)
     end
 
-    context "when the local authority lookup times out" do
-      before do
-        allow(Timeout).to receive(:timeout).and_raise(Timeout::Error)
-      end
-
-      it "logs a warning" do
-        expect(Rails.logger).to receive(:warn).with("Postcodes.io lookup timed out")
-        address_sales_log.update!({ pcodenk: 1, postcode_full: "M1 1AD" })
-      end
-    end
-
     it "correctly resets all fields if property postcode not known" do
       address_sales_log.update!({ pcodenk: 1 })
 
diff --git a/spec/models/validations/soft_validations_spec.rb b/spec/models/validations/soft_validations_spec.rb
index 6a3d9e051..8c7380fde 100644
--- a/spec/models/validations/soft_validations_spec.rb
+++ b/spec/models/validations/soft_validations_spec.rb
@@ -153,24 +153,24 @@ RSpec.describe Validations::SoftValidations do
   end
 
   describe "pregnancy soft validations" do
-    context "when there are no female tenants" do
+    context "when all tenants are male" do
       it "shows the interruption screen" do
         record.age1 = 43
         record.sex1 = "M"
         record.preg_occ = 1
         record.hhmemb = 1
         record.age1_known = 0
-        expect(record.no_females_in_a_pregnant_household?).to be true
+        expect(record.all_male_tenants_in_a_pregnant_household?).to be true
       end
     end
 
-    context "when there are no female tenants and age of other tenants is unknown" do
+    context "when there all tenants are male and age of tenants is unknown" do
       it "shows the interruption screen" do
         record.sex1 = "M"
         record.preg_occ = 1
         record.hhmemb = 1
         record.age1_known = 1
-        expect(record.no_females_in_a_pregnant_household?).to be true
+        expect(record.all_male_tenants_in_a_pregnant_household?).to be true
       end
     end
 
@@ -206,7 +206,7 @@ RSpec.describe Validations::SoftValidations do
         record.sex1 = "F"
         record.preg_occ = 1
         record.hhmemb = 1
-        expect(record.no_females_in_a_pregnant_household?).to be false
+        expect(record.all_male_tenants_in_a_pregnant_household?).to be false
         expect(record.female_in_pregnant_household_in_soft_validation_range?).to be false
       end
     end
@@ -215,7 +215,7 @@ RSpec.describe Validations::SoftValidations do
       it "does not show the interruption screen" do
         record.preg_occ = 1
         record.hhmemb = 2
-        expect(record.no_females_in_a_pregnant_household?).to be false
+        expect(record.all_male_tenants_in_a_pregnant_household?).to be false
         expect(record.female_in_pregnant_household_in_soft_validation_range?).to be false
       end
     end
diff --git a/spec/request_helper.rb b/spec/request_helper.rb
index 15d178218..f1f208ec6 100644
--- a/spec/request_helper.rb
+++ b/spec/request_helper.rb
@@ -4,7 +4,7 @@ module RequestHelper
   def self.stub_http_requests
     WebMock.disable_net_connect!(allow_localhost: true)
     WebMock.stub_request(:get, /api\.postcodes\.io/)
-      .to_return(status: 200, body: "{\"status\":404,\"error\":\"Postcode not found\"}", headers: {})
+      .to_return(status: 404, body: "{\"status\":404,\"error\":\"Postcode not found\"}", headers: {})
 
     WebMock.stub_request(:get, "https://api.postcodes.io/postcodes/AA11AA")
            .to_return(status: 200, body: "{\"status\":200,\"result\":{\"postcode\":\"AA1 1AA\",\"admin_district\":\"Westminster\",\"codes\":{\"admin_district\":\"E09000033\"}}}", headers: {})
diff --git a/spec/services/postcode_service_spec.rb b/spec/services/postcode_service_spec.rb
index ecf20fdac..abc61129f 100644
--- a/spec/services/postcode_service_spec.rb
+++ b/spec/services/postcode_service_spec.rb
@@ -1,9 +1,80 @@
 require "rails_helper"
 
 describe PostcodeService do
-  let(:postcode) { "s r81LS\u00A0" }
+  let(:service) { described_class.new }
 
-  it "returns clean postcode" do
-    expect(described_class.clean(postcode)).to eq "SR81LS"
+  describe "clean" do
+    let(:postcode) { "s r81LS\u00A0" }
+
+    it "returns clean postcode" do
+      expect(described_class.clean(postcode)).to eq "SR81LS"
+    end
+  end
+
+  describe "lookup" do
+    before do
+      Excon.defaults[:mock] = true
+      Excon.defaults[:stubs] = :local
+    end
+
+    context "when the request returns a success response" do
+      before do
+        Excon.stub({}, { body: '{"result": { "admin_district": "District", "codes": { "admin_district": "123" } } }', status: 200 })
+      end
+
+      it "returns the admin district and admin district code" do
+        result = service.lookup("A00 0AA")
+        expect(result[:location_code]).to eq("123")
+        expect(result[:location_admin_district]).to eq("District")
+      end
+    end
+
+    context "when the request returns a not found response" do
+      before do
+        Excon.stub({}, { status: 404 })
+      end
+
+      it "returns nil" do
+        result = service.lookup("A00 0AA")
+        expect(result).to be_nil
+      end
+
+      it "logs the error at warning level" do
+        expect(Rails.logger).to receive(:warn).with(match "404 Not Found")
+        service.lookup("A00 0AA")
+      end
+    end
+
+    context "when the request returns an error response" do
+      before do
+        Excon.stub({}, { body: "This is an error message that is not valid json", status: 500 })
+      end
+
+      it "returns nil" do
+        result = service.lookup("A00 0AA")
+        expect(result).to be_nil
+      end
+
+      it "logs the error at warning level" do
+        expect(Rails.logger).to receive(:warn).with(match "This is an error message that is not valid json")
+        service.lookup("A00 0AA")
+      end
+    end
+
+    context "when the request returns a success response that causes later errors" do
+      before do
+        Excon.stub({}, { body: '{"result": { "admin_district": "District" } }', status: 200 })
+      end
+
+      it "returns nil" do
+        result = service.lookup("A00 0AA")
+        expect(result).to be_nil
+      end
+
+      it "logs the error at error level" do
+        expect(Rails.logger).to receive(:error).with(match "Unexpected error with postcode lookup request")
+        service.lookup("A00 0AA")
+      end
+    end
   end
 end