Range from the cheapest cat flap installation £108 (Channell Construction Limited based in CB8) to the dearest cat flap installation £166.64 (CPL Fittings Ltd based in CB5).
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 CB1 by posting a job with HaMuch and we will send it to carpenter & joiners in CB1.