Index: /trunk/data/validator/ignoretags.cfg
===================================================================
--- /trunk/data/validator/ignoretags.cfg	(revision 12481)
+++ /trunk/data/validator/ignoretags.cfg	(revision 12482)
@@ -158,4 +158,6 @@
 K:building=houseboat
 K:building=static_caravan
+K:building=semi
+K:building=semidetached_house
 K:leisure=recreation_ground
 K:old_railway_operator=PRR