From £86,688
Experienced extension builder ready to quote for your work. Buildtech is the best extension builder in B32. No obligation free quotes and many happ...
From £86,680
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in B32. No obligation free quotes a...
From £86,800
Need to find an Extension Builder near you for all your extension buildering work?
Michael Locke Garage Doors provides a local, trusted ext...
From £86,968
Need an Extension Builder in B32? Multiservice K Construction Ltd has been helping local clients (20 mile radius) with their extension buildering j...
From £87,104
We are a design and build company that offer bespoke services to our clients, delivering professional services that help home owners achieve their ...
From £86,720
Need to find an Extension Builder near you for all your extension buildering work?
Candor Homes provides a local, trusted extension builder...
From £87,800
Member since December 2022
Hi, My name is Gus Sperin. I am self-employed electrician, and I have been running my business since 2010. I have been in the electrical ...
From £86,744
Relax... you have found a reliable extension builder in B32. Platinum Build is a friendly and reliable company based in B32 who consider no job as ...
From £86,712
Oakham Brickwork is an established extension buildering business in B32. We come highly recommended and provide competitive quotes for your work.
From £86,944
Wilson & Son is an established and experienced local extension builder in B32. Please contact us for a free, no obligation quote and competitive ra...

Building a granny annexe ranges from £86,680 (K Barrett Roofing LTD based in B32) to £87,800 (Sperin Interiors based in B66), 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 B32 by posting a job with HaMuch. We will send it to extension builders in B32 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Halesowen | £29 | £227 |
| Granny Annexe near Oldbury | £29 | £227 |
| Granny Annexe near Rowley Regis | £29 | £226 |
| Granny Annexe near Smethwick | £29 | £226 |
| Granny Annexe near West Bromwich | £29 | £227 |
| Granny Annexe near Birmingham | £29 | £227 |
| Granny Annexe near Dudley | £28 | £225 |
| Granny Annexe near Brierley Hill | £28 | £223 |
| Granny Annexe near Sandwell | £29 | £229 |
| Granny Annexe near Tipton | £29 | £227 |
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 - £17,416

Two storey extension - £87,874

Build a timber frame extension - £25,916

Build a swimming pool - £80,916

Single storey extension - £53,320

Side return extension - £40,555

Install an RSJ - £2,116

Outbuilding - £9,916

Build a Mansard loft conversion - £51,916

Loft conversion - £32,963

Build a kitchen extension - £41,916

Hip to gable loft conversion - £41,916

Granny annexe - £86,916

Garden office - £9,916

Convert a Garage - £15,916

Garage - £18,416

Build a flat roof extension - £21,916

Build a dormer loft conversion - £41,916

Concrete foundations - £6,166

Convert a bungalow loft - £28,916

Convert a basement - £36,555