Extend your BB5 with an extension

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 BB5? To see prices and availability for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL BB5 extension builders

Compare quotes

Compare quotes

Available extension builders in BB5 reply

Save Money

Save Money

Select your affordable BB5 extension builder

Post your job

From £21,784

Last active Oct 26
Get quotes

D Parker Design & Build

Need to find an Extension Builder near you for all your extension buildering work?

D Parker Design & Build provides a local, trusted extens...

From £21,624

Last active Oct 26
Get quotes

WM Brickwork & Pointing

WM Brickwork & Pointing are here to help customers who need an Extension Builder in BB5. We offer a competitive rate to complete all your extension...

From £21,848

Last active Oct 26
Get quotes

Darren Gaynor

Darren Gaynor is a trusted extension builder serving customers in BB5 and the surrounding area. Contact us to today to get a competitive quote for ...

From £21,936

Last active Oct 26
Get quotes

Garry Ryan Property Repairs

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £21,856

Last active Oct 26
Get quotes

SMH Joinery & Building

Experienced extension builder ready to quote for your work. SMH Joinery & Building is the best extension builder in BB5. No obligation free quotes ...

From £21,808

Last active Oct 26
Get quotes

J. Grimshaw

Need to find an Extension Builder near you for all your extension buildering work?

J. Grimshaw provides a local, trusted extension builderi...

From £21,624

Last active Jul 26
Get quotes

Garage Conversions by Joe Hanlon

Garage Conversions by Joe Hanlon is a trusted extension builder serving customers in BB5 and the surrounding area. Contact us to today to get a com...

Flat roof extension cost in BB5

Estimates for build a flat roof extension near BB5

A flat roof extension ranges from the cheapest of £21,624 (WM Brickwork & Pointing based in BB1) to the dearest of £21,936 (Garry Ryan Property Repairs based in BB1), 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 BB5 by posting a job with HaMuch. We'll send it to extension builders in BB5.


Estimates for common extension builder jobs in BB5;

Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

More extensions & conversions cost guides...