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Simon Ryder
Trusted and professional extension builder in Oldbury. Experienced in all extension buildering work and keeping within budget and on quote. SMR Con...
Prompt .tidy .exspearianced.quality of work
Have Faith Plasterers is an established and experienced local extension builder in Oldbury. Please contact us for a free, no obligation quote and c...
Need an Extension Builder in Oldbury? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Relax... you have found a reliable extension builder in Oldbury. MD Services is a friendly and reliable company based in Oldbury who consider no jo...
Dave Mattock is an established and experienced local extension builder in Oldbury. Please contact us for a free, no obligation quote and competitiv...
Need to find an Extension Builder near you for all your extension buildering work?
D Broomhall provides a local, trusted extension builderi...
Experienced extension builder ready to quote for your work. Plowman & Wood is the best extension builder in Oldbury. No obligation free quotes and ...
Oakham Brickwork is an established extension buildering business in Oldbury. We come highly recommended and provide competitive quotes for your wor...
Relax... you have found a reliable extension builder in Oldbury. Tucker Construction is a friendly and reliable company based in Oldbury who consid...

Building a granny annexe ranges from £86,568 (Dave Mattock based in B44) to £87,168 (SMR Construction based in B23), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Oldbury by posting a job with HaMuch. We will send it to extension builders in Oldbury who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Oldbury | £29 | £229 |
| Granny Annexe near Smethwick | £29 | £230 |
| Granny Annexe near Rowley Regis | £29 | £228 |
| Granny Annexe near Halesowen | £28 | £225 |
| Granny Annexe near West Bromwich | £29 | £228 |
| Granny Annexe near Sandwell | £29 | £231 |
| Granny Annexe near Dudley | £29 | £227 |
| Granny Annexe near Tipton | £29 | £228 |
| Granny Annexe near Birmingham | £29 | £229 |
| Granny Annexe near Brierley Hill | £28 | £222 |
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 - £17,310

Two storey extension - £87,714

Build a timber frame extension - £25,810

Build a swimming pool - £80,810

Single storey extension - £51,192

Side return extension - £39,358

Install an RSJ - £2,010

Outbuilding - £9,810

Build a Mansard loft conversion - £51,810

Loft conversion - £31,965

Build a kitchen extension - £41,810

Hip to gable loft conversion - £41,810

Granny annexe - £86,810

Garden office - £9,810

Convert a Garage - £15,810

Garage - £18,310

Build a flat roof extension - £21,810

Build a dormer loft conversion - £41,810

Concrete foundations - £6,060

Convert a bungalow loft - £28,810

Convert a basement - £35,358