Range from the cheapest cat flap installation £60 (David gough based in GL7) to the dearest cat flap installation £125 (Elliott's Property Renovations & Garden Landscaping based in WR14).
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 GL52 by posting a job with HaMuch and we will send it to carpenter & joiners in GL52.