Local B9 extension builders
Concept Construction
£27/hour
£210/day
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Refurb whole house" - B92
x10hosts
£31/hour
£240/day
Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B9. No obligation free quotes and many happy ...
"Garage conversion" - ZRA, B92
Dayfos Properties Ltd
£31/hour
£248/day
Need to find an Extension Builder near you for all your extension buildering work?
Dayfos Properties Ltd provides a local, trusted extensio...
"RSJ installation" - LIAM, B90
Fletchers Building & Maintenance, Ltd.
£25/hour
£248/day
Fletcher's Building & Maintenance are a family owned business that understands, in order to achieve our continued success our customers and the...
"Garage conversion (separate from main house) into a bedroom" - WARIS, B42
Laurence Cox
£27/hour
£212/day
Laurence Cox is an established and experienced local extension builder in B9. Please contact us for a free, no obligation quote and competitive rat...
"Rear single storey extension 18sm kitchen & shower room with 2 beams" - MOHAMMED, B36
Probuild360
£27/hour
£213/day
Trusted and professional extension builder in B9. Experienced in all extension buildering work and keeping within budget and on quote. Probuild360 ...
"Timber frame extension At present there is a side garage which is in a state of disrepair, on a lower height to the house. Ideally we would like to have a wooden extension along the complete side of the house at the same height as the house, as well as across the rear of the house. We would also..." - DAVID, B26
AJ Home Improvements
£27/hour
£213/day
AJ Home Improvements is an established extension buildering business in B9. We come highly recommended and provide competitive quotes for your work...
"Two storey extension" - WEST MIDLANDS
Renka
£26/hour
£205/day
Renka is an established and experienced local extension builder in B9. Please contact us for a free, no obligation quote and competitive rates. Cov...
"Loft conversion" - RYAN, B28
G Wilson Building & Roofing Services
£29/hour
£228/day
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
"Rear extension to incorporate toilet and downstairs shower, utility area." - DAWN, SHELDON
BORDO Design
£29/hour
£234/day
Relax... you have found a reliable extension builder in B9. BORDO Design is a friendly and reliable company based in B9 who consider no job as too ...
"TV aerial install" - GURMEET, B11
Spectrum Homes
£27/hour
£213/day
Experienced extension builder ready to quote for your work. Spectrum Homes is the best extension builder in B9. No obligation free quotes and many ...
"Build an outbuilding" - B44
BellTrim Wood Products
£27/hour
£212/day
Need an Extension Builder in B9? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
"How much to install a shed or outbuilding in the back garden?" - M, B27
LC BUILDING SERVICES
£33/hour
£233/day
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
"Build an outbuilding" - B14
Brickfast Builders
£32/hour
£248/day
Brickfast Builders is an established extension buildering business in B9. We come highly recommended and provide competitive quotes for your work.<...
"RSJ installation" - BIRMINGHAM
EDEN BUILD LTD
£28/hour
£224/day
Need an Extension Builder in B9? EDEN BUILD LTD has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
"House kitchen Extension" - ERIK, BIRMINGHAM
2nd Generation Building Services
£31/hour
£248/day
Trusted and professional extension builder in B9. Experienced in all extension buildering work and keeping within budget and on quote. 2nd Generati...
"Concrete foundation for footings" - B35
Kunda Group
£31/hour
£242/day
Kunda Group is a trusted extension builder serving customers in B9 and the surrounding area. Contact us to today to get a competitive quote for ext...
"Hip to gable loft conversion" - BIRMINGHAM
"Terraced house. Single storey extension on the rear. We have a side entry brick utility with a brick shed attached to the back we would like to inco6this area into a utility and downstairs toilet/shower area." - SEAN, BIRMINGHAM
Mountainview Construction
£27/hour
£214/day
Mountainview Construction is an established and experienced local extension builder in B9. Please contact us for a free, no obligation quote and co...
"Loft conversion hip to gable and garden office" - CAMERON, BIRMINGHAM
Castlehall Building Services
£27/hour
£211/day
Trusted and professional extension builder in B9. Experienced in all extension buildering work and keeping within budget and on quote. Castlehall B...
"Two bedroom and a bathroom dormer loft conversion" - SAIRA, BIRMINGHAM
The most important thing is do avoid handing over cash or paying large sums in advance. Be wary of paying cash for a cheaper job, i.e. to avoid VAT, you may be going down a slippery slope of not doing things properly which may eventually mean your job is also not done properly.
Agree when you intend to pay, ideally after you are satisfied with the completed job. If it is a big job agree a schedule of staged payments which is fair to both parties.
To avoid bad tradespeople and to ensure you can find them should they not answer a mobile;
- Get proper contact details and check them yourself
- Check if the company is verified on the Companies House website
- Get phone details, ideally a land line or 0800 number and check it
- Get a physical office address
Get quotes in writing by email or in person if possible. Getting quotes online or by text is ok (make sure you accept the offer by replying). For large projects make a written agreement, schedule of works and snagging plans as part of a working document. Also;
- Agree expected quality of workmanship and materials in advance
- When will work start and when will project be finished, what happens if project over runs ?
- How long is the guarantee on work and materials eg 12 months
- Discuss onsite behaviour in advance (no smoking, swearing or using mobile phones for non-work purposes)
- Agree that your Extension Builder will remove all debris and rubbish and what level of tidying up you want after job
Compare B9 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Birmingham | £29 | £227 |
| Extension Builders near Smethwick | £29 | £226 |
| Extension Builders near Sutton Coldfield | £29 | £228 |
| Extension Builders near Solihull | £29 | £231 |
| Extension Builders near Oldbury | £29 | £227 |
| Extension Builders near West Bromwich | £29 | £227 |
| Extension Builders near Halesowen | £29 | £227 |
| Extension Builders near Sandwell | £29 | £229 |
| Extension Builders near Knowle | £31 | £241 |
| Extension Builders near Rowley Regis | £29 | £226 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,752

Garden office - £9,752

Granny annexe - £86,752

Build a flat roof extension - £21,752

Convert a Garage - £15,752

Hip to gable loft conversion - £41,752

Convert a bungalow loft - £28,752

Build a dormer loft conversion - £41,752

Build a swimming pool - £80,752

Build a Mansard loft conversion - £51,752

Concrete foundations - £6,002

Underpin a building - £17,252

Two storey extension - £87,628

Convert a basement - £34,710

Side return extension - £38,710

Loft conversion - £31,425

Garage - £18,252

Single storey extension - £50,040

Outbuilding - £9,752

Install an RSJ - £1,952

Build a kitchen extension - £41,752
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