Range from the cheapest replacing of floorboards £436 (Crestshield Windows Ltd based in SE20) to the dearest replacing of floorboards £560 (Carpentry & Building Services based in SW2).
Comparing carpenter and joiners estimates for replacing and repairing floorboards 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 replace floorboards in SE27 by posting a job with HaMuch and we will send it to carpenter and joiners in SE27.

"Replacing floorboards"
SW16
"Hi - we have a problem with a bedroom missing some joists. Remove boards and, fit new joist and floorboard 1-2 days £300-£400 Thanks James"
SW2