A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in Bromley?

A flat roof extension ranges from the cheapest of £21,440 (London Quality Construction Group Limited based in BR2) to the dearest of £22,000 (Silverland design & build based in BR1), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes. 

Find out how much your flat roof extension will cost in Bromley by posting a job with HaMuch. We'll send it to extension builders in Bromley.