Range from the cheapest boxing in of pipes £303 (PHM based in SS14) to the dearest boxing in of pipes £523 (Top Marks based in SS7).
Comparing carpenter & joiners estimates for boxing in pipework 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 box in pipes in SS13 by posting a job with HaMuch and we will send it to carpenter & joiners in SS13