diff --git a/app/models/lettings_log.rb b/app/models/lettings_log.rb
index 7ebef7b0a..8a6a403be 100644
--- a/app/models/lettings_log.rb
+++ b/app/models/lettings_log.rb
@@ -62,7 +62,7 @@ class LettingsLog < Log
       .or(filter_by_tenant_code(param))
       .or(filter_by_propcode(param))
       .or(filter_by_postcode(param))
-      .or(filter_by_id(param.remove("log")))
+      .or(filter_by_id(param.gsub(/log/i, '')))
   }
   scope :after_date, ->(date) { where("lettings_logs.startdate >= ?", date) }
   scope :before_date, ->(date) { where("lettings_logs.startdate < ?", date) }
diff --git a/app/models/sales_log.rb b/app/models/sales_log.rb
index c3209d15f..3c04c9dc2 100644
--- a/app/models/sales_log.rb
+++ b/app/models/sales_log.rb
@@ -47,7 +47,7 @@ class SalesLog < Log
   scope :search_by, lambda { |param|
     filter_by_purchaser_code(param)
       .or(filter_by_postcode(param))
-      .or(filter_by_id(param.remove("log")))
+      .or(filter_by_id(param.gsub(/log/i, '')))
   }
   scope :age1_answered, -> { where.not(age1: nil).or(where(age1_known: [1, 2])) }
   scope :duplicate_logs, lambda { |log|
diff --git a/spec/models/lettings_log_spec.rb b/spec/models/lettings_log_spec.rb
index 13fb5fafa..225a25952 100644
--- a/spec/models/lettings_log_spec.rb
+++ b/spec/models/lettings_log_spec.rb
@@ -2834,6 +2834,12 @@ RSpec.describe LettingsLog do
           expect(result.first.id).to eq lettings_log_to_search.id
         end
 
+        it "allows searching by id including the capitalised word Log" do
+          result = described_class.search_by("Log#{lettings_log_to_search.id}")
+          expect(result.count).to eq(1)
+          expect(result.first.id).to eq lettings_log_to_search.id
+        end
+
         context "when lettings log is supported housing" do
           let(:location) { create(:location, postcode: "W6 0ST") }
 
diff --git a/spec/models/sales_log_spec.rb b/spec/models/sales_log_spec.rb
index 0bda27a2b..18b5dc5e8 100644
--- a/spec/models/sales_log_spec.rb
+++ b/spec/models/sales_log_spec.rb
@@ -189,6 +189,12 @@ RSpec.describe SalesLog, type: :model do
       expect(result.first.id).to eq sales_log_to_search.id
     end
 
+    it "allows searching by id including the capitalised word Log" do
+      result = described_class.search_by("Log#{sales_log_to_search.id}")
+      expect(result.count).to eq(1)
+      expect(result.first.id).to eq sales_log_to_search.id
+    end
+
     context "when postcode has spaces and lower case letters" do
       let(:matching_postcode_lower_case_with_spaces) { sales_log_to_search.postcode_full.downcase.chars.insert(3, " ").join }