Range from the cheapest cat flap installation £108 (T D R Carpentry Ltd based in SO15) to the dearest cat flap installation £120 (Gallo Carpentry based in SO15).
Comparing carpenter & joiners estimates for installing a cat flap gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to fit a cat flap in SO43 by posting a job with HaMuch and we will send it to carpenter & joiners in SO43.