Range from the cheapest cat flap installation £72 (G6 CARPENTRY and PROPERTY SERVICES based in DA8) to the dearest cat flap installation £136 (M REYNOLDS CARPENTRY based in BR8).
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 DA3 by posting a job with HaMuch and we will send it to carpenter & joiners in DA3.