Range from the cheapest cat flap installation £12 (Self employer based in DA15) to the dearest cat flap installation £340 (Bromley handyman based in BR2).
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 Greater Londo by posting a job with HaMuch and we will send it to carpenter & joiners in Greater Londo.