From £21,640
Renka is an established and experienced local extension builder in B19. Please contact us for a free, no obligation quote and competitive rates. Co...
From £21,792
Need an Extension Builder in B19? EDEN BUILD LTD has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £21,696
Need an Extension Builder in B19? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £21,704
Experienced extension builder ready to quote for your work. Spectrum Homes is the best extension builder in B19. No obligation free quotes and many...
From £21,872
Relax... you have found a reliable extension builder in B19. BORDO Design is a friendly and reliable company based in B19 who consider no job as to...
From £21,704
Trusted and professional extension builder in B19. Experienced in all extension buildering work and keeping within budget and on quote. Probuild360...
From £21,984
Brickfast Builders is an established extension buildering business in B19. We come highly recommended and provide competitive quotes for your work....
From £21,816
Our building services company Chadha Constructions Limited was established in March 2021, but have been providing professional, trustworthy buildin...
From £21,984
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
From £21,936
Kunda Group is a trusted extension builder serving customers in B19 and the surrounding area. Contact us to today to get a competitive quote for ex...

A flat roof extension ranges from the cheapest of £21,640 (Renka based in B19) to the dearest of £21,984 (Brickfast Builders based in B6), 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 B19 by posting a job with HaMuch. We'll send it to extension builders in B19.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Birmingham | £25 | £197 |
| Build A Flat Roof Extension near Smethwick | £25 | £195 |
| Build A Flat Roof Extension near Oldbury | £25 | £196 |
| Build A Flat Roof Extension near West Bromwich | £25 | £195 |
| Build A Flat Roof Extension near Sutton Coldfield | £25 | £202 |
| Build A Flat Roof Extension near Sandwell | £25 | £196 |
| Build A Flat Roof Extension near Rowley Regis | £25 | £196 |
| Build A Flat Roof Extension near Halesowen | £25 | £197 |
| Build A Flat Roof Extension near Wednesbury | £25 | £194 |
| Build A Flat Roof Extension near Tipton | £25 | £196 |
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.

Underpin a building - £17,313

Two storey extension - £87,719

Build a timber frame extension - £25,813

Build a swimming pool - £80,813

Single storey extension - £51,256

Side return extension - £39,394

Install an RSJ - £2,013

Outbuilding - £9,813

Build a Mansard loft conversion - £51,813

Loft conversion - £31,995

Build a kitchen extension - £41,813

Hip to gable loft conversion - £41,813

Granny annexe - £86,813

Garden office - £9,813

Convert a Garage - £15,813

Garage - £18,313

Build a flat roof extension - £21,813

Build a dormer loft conversion - £41,813

Concrete foundations - £6,063

Convert a bungalow loft - £28,813

Convert a basement - £35,394