Range from the cheapest removal of a chimney breast £120 (TDR Property Maintenance based in SE9) to the dearest removal of a chimney breast £700 (Silverland design & build based in BR1).
Comparing builders estimates for removing a chimney breast 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 remove a chimney breast in BR7 by posting a job with HaMuch and we will send it to builders in BR7.

"Removal of chimney breast in the living room, main bedroom and dining room. Remove chimney chute (above dining room chimney stack) leading into the loft. Beam added in the loft to support chimney stack."
BR1