diff --git a/src/components/PostcodeLookup/PostcodeLookup.js b/src/components/PostcodeLookup/PostcodeLookup.js
index 14f05e5a..cc08e65a 100644
--- a/src/components/PostcodeLookup/PostcodeLookup.js
+++ b/src/components/PostcodeLookup/PostcodeLookup.js
@@ -355,7 +355,7 @@ class PostcodeLookup extends Component {
       type: 'text',
       placeholder: 'SE1 7TP',
       buttonText: 'FIND ADDRESS',
-      pattern: /^[\sA-Za-z0-9\\,./&-]{1,15}$/,
+      pattern: /^[A-Za-z0-9 \\,./&-]{1,15}$/,
       invalidErrorText: 'Please enter a valid postcode',
       emptyFieldErrorText: 'Please enter your postcode',
       extraClass: 'search-box',