Range from the cheapest cat flap installation £60 (CPR Property maintenance based in WN8) to the dearest cat flap installation £140 (Aurora Building company ltd based in L12).
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 PR8 by posting a job with HaMuch and we will send it to carpenter & joiners in PR8.