Range from the cheapest cat flap installation £84 (David Ditchman carpentry & building based in ct16) to the dearest cat flap installation £108 (Cross Builders based in CT19).
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 CT16 by posting a job with HaMuch and we will send it to carpenter & joiners in CT16.