diff --git a/app/stores/migrations/0009_auto__chg_field_address_postcode.py b/app/stores/migrations/0009_auto__chg_field_address_postcode.py
new file mode 100644
index 0000000..7406ce9
--- /dev/null
+++ b/app/stores/migrations/0009_auto__chg_field_address_postcode.py
@@ -0,0 +1,143 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+
+        # Changing field 'Address.postcode'
+        db.alter_column(u'stores_address', 'postcode', self.gf('django.db.models.fields.CharField')(max_length=20, null=True))
+
+    def backwards(self, orm):
+
+        # User chose to not deal with backwards NULL issues for 'Address.postcode'
+        raise RuntimeError("Cannot reverse this migration. 'Address.postcode' and its values cannot be restored.")
+
+    models = {
+        u'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'auth.permission': {
+            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        u'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        u'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'stores.address': {
+            'Meta': {'object_name': 'Address'},
+            'address1': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'address2': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'address3': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'city': ('django.db.models.fields.CharField', [], {'max_length': "'50'"}),
+            'country': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'addresses'", 'to': "orm['stores.Country']"}),
+            'county': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'addresses'", 'null': 'True', 'to': "orm['stores.County']"}),
+            'geo_latitude': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}),
+            'geo_longitude': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'postcode': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True', 'blank': 'True'})
+        },
+        'stores.brand': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Brand'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'website': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'})
+        },
+        'stores.chain': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Chain'},
+            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'editor': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'editable_chains'", 'null': 'True', 'to': u"orm['auth.User']"}),
+            'head_office': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['stores.Address']", 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'long_description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '200', 'blank': 'True'}),
+            'website': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'})
+        },
+        'stores.claimrequest': {
+            'Meta': {'object_name': 'ClaimRequest'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'note': ('django.db.models.fields.TextField', [], {}),
+            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'object_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            'status': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'claims'", 'to': u"orm['auth.User']"})
+        },
+        'stores.country': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Country'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'iso_code': ('django.db.models.fields.CharField', [], {'max_length': '3'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'stores.county': {
+            'Meta': {'ordering': "['name']", 'object_name': 'County'},
+            'country': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'counties'", 'null': 'True', 'to': "orm['stores.Country']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'stores.link': {
+            'Meta': {'object_name': 'Link'},
+            'account_name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'account_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['stores.LinkType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'object_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"})
+        },
+        'stores.linktype': {
+            'Meta': {'ordering': "['name']", 'object_name': 'LinkType'},
+            'icon': ('django.db.models.fields.CharField', [], {'default': "'icon-globe'", 'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'url_format': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        'stores.store': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Store'},
+            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'address': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'stores'", 'to': "orm['stores.Address']"}),
+            'brands': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['stores.Brand']", 'null': 'True', 'blank': 'True'}),
+            'chain': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'stores'", 'null': 'True', 'to': "orm['stores.Chain']"}),
+            'editor': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'editable_stores'", 'null': 'True', 'to': u"orm['auth.User']"}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'long_description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'phone': ('django.db.models.fields.CharField', [], {'max_length': '25', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '200', 'blank': 'True'}),
+            'store_type': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'website': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'})
+        }
+    }
+
+    complete_apps = ['stores']
\ No newline at end of file
diff --git a/app/stores/models/base.py b/app/stores/models/base.py
index 701a638..64471f7 100644
--- a/app/stores/models/base.py
+++ b/app/stores/models/base.py
@@ -152,7 +152,7 @@ class Address(models.Model):
     city = models.CharField('Town/City', max_length='50', help_text="City or town")
     county = models.ForeignKey('stores.County', related_name='addresses', null=True, blank=True, help_text="County or suburban area. (Ignore if the store is outside the UK)")
     country = models.ForeignKey('stores.Country', related_name='addresses')
-    postcode = models.CharField('Postcode / Zipcode', max_length=20, help_text="Post Code or Zip Code, e.g. <em>M1 1AA</em> or <em>60647</em>")
+    postcode = models.CharField('Postcode / Zipcode', max_length=20, null=True, blank=True, help_text="Post Code or Zip Code, e.g. <em>M1 1AA</em> or <em>60647</em>")
 
     geo_latitude = models.FloatField('Latitude', null=True, blank=True)
     geo_longitude = models.FloatField('Longitude', null=True, blank=True)