Range from the cheapest loft boarding £450 (PHM based in SS14) to the dearest loft boarding £780 (Top Marks based in SS7).
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 SS12 by posting a job with HaMuch and we will send it to carpenter & joiners in SS12.