Range from the cheapest cat flap installation £40 (1965 based in DY11) to the dearest cat flap installation £160 (KML Plumbing & Carpentry based in WV6).
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 WV15 by posting a job with HaMuch and we will send it to carpenter & joiners in WV15.