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Need to find an Extension Builder near you for all your extension buildering work?
D Broomhall provides a local, trusted extension builderi...
Relax... you have found a reliable extension builder in B61. FAIRFIELD BUILDERS LTD is a friendly and reliable company based in B61 who consider no...
Experienced extension builder ready to quote for your work. Dave C Clark Builder is the best extension builder in B61. No obligation free quotes an...
C A Rendering Services Ltd is a trusted extension builder serving customers in B61 and the surrounding area. Contact us to today to get a competiti...
Raul Filip
Demolition Solutions Ltd is a trusted extension builder serving customers in B61 and the surrounding area. Contact us to today to get a competitive...
From £86,856
Need to find an Extension Builder near you for all your extension buildering work?
Glorious Building Company Limited provides a local, trus...

Building a granny annexe ranges from £86,584 (FAIRFIELD BUILDERS LTD based in B61) to £87,424 (Demolition Solutions Ltd based in B60), 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 B61 by posting a job with HaMuch. We will send it to extension builders in B61 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bromsgrove | £31 | £237 |
| Granny Annexe near Droitwich | £28 | £224 |
| Granny Annexe near Kidderminster | £26 | £209 |
| Granny Annexe near Redditch | £32 | £234 |
| Granny Annexe near Halesowen | £28 | £225 |
| Granny Annexe near Stourbridge | £28 | £223 |
| Granny Annexe near Stourport-on-Severn | £27 | £209 |
| Granny Annexe near Rowley Regis | £29 | £228 |
| Granny Annexe near Oldbury | £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 - £17,319

Two storey extension - £87,728

Build a timber frame extension - £25,819

Build a swimming pool - £80,819

Single storey extension - £51,373

Side return extension - £39,460

Install an RSJ - £2,019

Outbuilding - £9,819

Build a Mansard loft conversion - £51,819

Loft conversion - £32,050

Build a kitchen extension - £41,819

Hip to gable loft conversion - £41,819

Granny annexe - £86,819

Garden office - £9,819

Convert a Garage - £15,819

Garage - £18,319

Build a flat roof extension - £21,819

Build a dormer loft conversion - £41,819

Concrete foundations - £6,069

Convert a bungalow loft - £28,819

Convert a basement - £35,460