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Available extension builders in B11 reply
Select your affordable B11 extension builder
Gary Wilson
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?
Avonvale Garage Doors provides a local, trusted extensio...
AJ Home Improvements is an established extension buildering business in B11. We come highly recommended and provide competitive quotes for your wor...
Brickfast Builders is an established extension buildering business in B11. We come highly recommended and provide competitive quotes for your work....
Relax... you have found a reliable extension builder in B11. F.I.I Building Services Ltd is a friendly and reliable company based in B11 who consid...
We are a forward thinking, award winning design and build company based in Solihull in the West Midlands. We strive to deliver the best experience ...
Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B11. No obligation free quotes and many happy...
From £86,696
Need an Extension Builder in B11? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £86,432
Peter Smith
Reliable and trustworthy
Also on checkatrafe
From £86,024
JAMES Crawford
we have over 13 years exp
we go that extra mile to make sure customers are 100 % happy
we cover a 20 miles radus for b26 area...

Building a granny annexe ranges from £86,024 (J s building & maintenance services limited based in B26) to £86,984 (Brickfast Builders based in B6), 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 B11 by posting a job with HaMuch. We will send it to extension builders in B11 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Birmingham | £29 | £229 |
| Granny Annexe near Solihull | £29 | £231 |
| Granny Annexe near Smethwick | £29 | £230 |
| Granny Annexe near Oldbury | £29 | £229 |
| Granny Annexe near Sutton Coldfield | £29 | £228 |
| Granny Annexe near Knowle | £31 | £241 |
| Granny Annexe near Halesowen | £28 | £225 |
| Granny Annexe near West Bromwich | £29 | £228 |
| Granny Annexe near Rowley Regis | £29 | £228 |
| Granny Annexe near Sandwell | £29 | £231 |
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 - £17,222

Two storey extension - £87,584

Build a timber frame extension - £25,722

Build a swimming pool - £80,722

Single storey extension - £49,448

Side return extension - £38,377

Install an RSJ - £1,922

Outbuilding - £9,722

Build a Mansard loft conversion - £51,722

Loft conversion - £31,148

Build a kitchen extension - £41,722

Hip to gable loft conversion - £41,722

Granny annexe - £86,722

Garden office - £9,722

Convert a Garage - £15,722

Garage - £18,222

Build a flat roof extension - £21,722

Build a dormer loft conversion - £41,722

Concrete foundations - £5,972

Convert a bungalow loft - £28,722

Convert a basement - £34,377