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 £86,568
Trusted and professional extension builder in B67. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal Cons...
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 £86,816
Our building services company Chadha Constructions Limited was established in March 2021, but have been providing professional, trustworthy buildin...
From £86,968
Need an Extension Builder in B67? 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 £86,680
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in B67. No obligation free quotes a...
From £86,760
Build Ora Construction is an established and experienced local extension builder in B67. Please contact us for a free, no obligation quote and com...
From £86,712
Mountainview Construction is an established and experienced local extension builder in B67. Please contact us for a free, no obligation quote and c...
From £86,936
Kunda Group is a trusted extension builder serving customers in B67 and the surrounding area. Contact us to today to get a competitive quote for ex...

Building a granny annexe ranges from £86,568 (Bhogal Construction based in B67) 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 B67 by posting a job with HaMuch. We will send it to extension builders in B67 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Smethwick | £25 | £195 |
| Granny Annexe near Oldbury | £25 | £196 |
| Granny Annexe near West Bromwich | £25 | £195 |
| Granny Annexe near Rowley Regis | £25 | £196 |
| Granny Annexe near Halesowen | £25 | £197 |
| Granny Annexe near Birmingham | £25 | £197 |
| Granny Annexe near Sandwell | £25 | £196 |
| Granny Annexe near Tipton | £25 | £196 |
| Granny Annexe near Dudley | £25 | £193 |
| Granny Annexe near Wednesbury | £25 | £194 |
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 - £17,406

Two storey extension - £87,860

Build a timber frame extension - £25,906

Build a swimming pool - £80,906

Single storey extension - £53,128

Side return extension - £40,447

Install an RSJ - £2,106

Outbuilding - £9,906

Build a Mansard loft conversion - £51,906

Loft conversion - £32,873

Build a kitchen extension - £41,906

Hip to gable loft conversion - £41,906

Granny annexe - £86,906

Garden office - £9,906

Convert a Garage - £15,906

Garage - £18,406

Build a flat roof extension - £21,906

Build a dormer loft conversion - £41,906

Concrete foundations - £6,156

Convert a bungalow loft - £28,906

Convert a basement - £36,447