Member since December 2022
Please refer to for further information. My name is Gus Sperin. I am self-employed electrician, and I have been ...
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
Need to find an Extension Builder near you for all your extension buildering work?
BAKER CONSTRUCTION provides a local, trusted extension b...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in B64. Experienced in all extension buildering work and keeping within budget and on quote. Staffordshi...
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
Welcome to WWM Property Solutions, where we specialize in creating exceptional outdoor and indoor spaces tailored to your unique lifestyle. As a le...
AJ Home Improvements is an established extension buildering business in B64. We come highly recommended and provide competitive quotes for your wor...
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
Brickfast Builders is an established extension buildering business in B64. We come highly recommended and provide competitive quotes for your work....

Building a granny annexe ranges from £86,704 (AJ Home Improvements based in B24) to £87,800 (Sperin Services 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 B64 by posting a job with HaMuch. We will send it to extension builders in B64 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Rowley Regis | £29 | £226 |
| Granny Annexe near Halesowen | £29 | £227 |
| Granny Annexe near Brierley Hill | £28 | £222 |
| Granny Annexe near Dudley | £28 | £225 |
| Granny Annexe near Oldbury | £29 | £227 |
| Granny Annexe near Stourbridge | £28 | £223 |
| Granny Annexe near Tipton | £29 | £227 |
| Granny Annexe near West Bromwich | £29 | £227 |
| Granny Annexe near Kingswinford | £28 | £221 |
| Granny Annexe near Smethwick | £29 | £226 |
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 - £17,460

Two storey extension - £87,940

Build a timber frame extension - £25,960

Build a swimming pool - £80,960

Single storey extension - £54,200

Side return extension - £41,050

Install an RSJ - £2,160

Outbuilding - £9,960

Build a Mansard loft conversion - £51,960

Loft conversion - £33,375

Build a kitchen extension - £41,960

Hip to gable loft conversion - £41,960

Granny annexe - £86,960

Garden office - £9,960

Convert a Garage - £15,960

Garage - £18,460

Build a flat roof extension - £21,960

Build a dormer loft conversion - £41,960

Concrete foundations - £6,210

Convert a bungalow loft - £28,960

Convert a basement - £37,050