Range from the cheapest cat flap installation £72 (BJM based in KA24) to the dearest cat flap installation £120 (GMCB based in G71).
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 PA9 by posting a job with HaMuch and we will send it to carpenter & joiners in PA9.