diff --git a/test/fixtures/postcode_anywhere_uk_key_limit_exceeded b/test/fixtures/postcode_anywhere_uk_key_limit_exceeded
new file mode 100644
index 0000000000000000000000000000000000000000..479b8697f8ebdfefe06f6a8eb6b4731b35ef9bc7
--- /dev/null
+++ b/test/fixtures/postcode_anywhere_uk_key_limit_exceeded
@@ -0,0 +1 @@
+[{"Error":"8","Description":"Key daily limit exceeded","Cause":"The daily limit on the key has been exceeded.","Resolution":"Alter the daily limit on the key. Check the usage details first to see if usage is normal."}]
\ No newline at end of file
diff --git a/test/fixtures/postcode_anywhere_uk_no_results b/test/fixtures/postcode_anywhere_uk_no_results
new file mode 100644
index 0000000000000000000000000000000000000000..0637a088a01e8ddab3bf3fa98dbe804cbde1a0dc
--- /dev/null
+++ b/test/fixtures/postcode_anywhere_uk_no_results
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/test/fixtures/postcode_anywhere_uk_unknown_key b/test/fixtures/postcode_anywhere_uk_unknown_key
new file mode 100644
index 0000000000000000000000000000000000000000..091c3a6347d00acf43629c20151cdf439933c6fe
--- /dev/null
+++ b/test/fixtures/postcode_anywhere_uk_unknown_key
@@ -0,0 +1 @@
+[{"Error":"2","Description":"Unknown key","Cause":"The key you are using to access the service was not found.","Resolution":"Please check that the key is correct. It should be in the form AA11-AA11-AA11-AA11."}]
\ No newline at end of file