Range from the cheapest loft boarding £390 (TTM Improve Homes based in UB5) to the dearest loft boarding £1500 (ThePlumbers.org based in TW7).
Comparing carpenter & joiners estimates for loft boarding 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 board a loft in Hayes by posting a job with HaMuch and we will send it to carpenter & joiners in Hayes.