diff --git a/backend/address2UPRN/tests/test_data.csv b/backend/address2UPRN/tests/test_data.csv
index 408edc29..1c1ce58a 100644
--- a/backend/address2UPRN/tests/test_data.csv
+++ b/backend/address2UPRN/tests/test_data.csv
@@ -364,4 +364,7 @@ FLAT B 158 LEAHURST ROAD,SE13 5NL,100021976974
 164a Victoria Square,M4 5FA,77211315
 165a Victoria Square,M4 5FA,77211316
 166a Victoria Square,M4 5FA,None
-"FLAT 3; 42 MORETON ROAD, SOUTH CROYDON, SURREY",CR2 7DL,None
\ No newline at end of file
+"FLAT 3; 42 MORETON ROAD, SOUTH CROYDON, SURREY",CR2 7DL,None
+71A  Stoneleigh Avenue,NE12 8NP,None
+71B  Stoneleigh Avenue,NE12 8NP,None
+71  Stoneleigh Avenue,NE12 8NP,47086009
\ No newline at end of file