From £86,488
LPH Construction is a trusted extension builder serving customers in B80 and the surrounding area. Contact us to today to get a competitive quote f...
From £86,776
Quality Home Makeover are here to help customers who need an Extension Builder in B80. We offer a competitive rate to complete all your extension b...
From £87,008
Experienced extension builder ready to quote for your work. J.G Builders is the best extension builder in B80. No obligation free quotes and many h...
From £86,560
Need to find an Extension Builder near you for all your extension buildering work?
Cubit Contracts provides a local, trusted extension buil...
From £87,056
Prestige Conversions is an established and experienced local extension builder in B80. Please contact us for a free, no obligation quote and compet...
From £86,920
ELITE BUILDING SERVICES are here to help customers who need an Extension Builder in B80. We offer a competitive rate to complete all your extension...
From £87,320
Inside & Out property refurbishments Interior Design & Build service Grade1 Grade11 listed buildings complete renovation preservation conservati...
From £86,936
Trusted and professional extension builder in B80. Experienced in all extension buildering work and keeping within budget and on quote. Pendleton B...
From £87,048
All kinds of jobs you need doing around your home or garden.We are conscientious, enjoy doing a good job and insist that you're happy with our work...
From £86,544
Charles Grosvenor Limited is an established extension buildering business in B80. We come highly recommended and provide competitive quotes for you...

Building a granny annexe ranges from £86,488 (LPH Construction based in B98) to £87,320 (Inside & Out Property Refurbishments based in B98), 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 B80 by posting a job with HaMuch. We will send it to extension builders in B80 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Redditch | £27 | £196 |
| Granny Annexe near Bromsgrove | £27 | £208 |
| Granny Annexe near Stratford-on-Avon | £24 | £190 |
| Granny Annexe near Stratford-upon-Avon | £24 | £190 |
| Granny Annexe near Knowle | £26 | £203 |
| Granny Annexe near Wychavon | £27 | £207 |
| Granny Annexe near Solihull | £24 | £194 |
| Granny Annexe near Droitwich | £24 | £194 |
| Granny Annexe near Evesham | £32 | £246 |
| Granny Annexe near Warwick | £24 | £188 |
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 - £17,366

Two storey extension - £87,798

Build a timber frame extension - £25,866

Build a swimming pool - £80,866

Single storey extension - £52,312

Side return extension - £39,988

Install an RSJ - £2,066

Outbuilding - £9,866

Build a Mansard loft conversion - £51,866

Loft conversion - £32,490

Build a kitchen extension - £41,866

Hip to gable loft conversion - £41,866

Granny annexe - £86,866

Garden office - £9,866

Convert a Garage - £15,866

Garage - £18,366

Build a flat roof extension - £21,866

Build a dormer loft conversion - £41,866

Concrete foundations - £6,116

Convert a bungalow loft - £28,866

Convert a basement - £35,988