Ben Birch
I have been in the building industry for 28 years and have carried out extensions,loft conversions, knock throughs, plastering, carpentry,roofing a...
From £86,928
JEWEL BUILDERS LTD are here to help customers who need an Extension Builder in B94. We offer a competitive rate to complete all your extension buil...

Building a granny annexe ranges from £86,928 (JEWEL BUILDERS LTD based in B93) to £87,064 (MYBUILD based in B93), 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 B94 by posting a job with HaMuch. We will send it to extension builders in B94 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Knowle | £31 | £241 |
| Granny Annexe near Solihull | £29 | £231 |
| Granny Annexe near Redditch | £32 | £234 |
| Granny Annexe near Warwick | £28 | £213 |
| Granny Annexe near Birmingham | £28 | £226 |
| Granny Annexe near Kenilworth | £29 | £223 |
| Granny Annexe near Bromsgrove | £31 | £237 |
| Granny Annexe near Stratford-on-Avon | £27 | £215 |
| Granny Annexe near Stratford-upon-Avon | £27 | £215 |
| Granny Annexe near Coventry | £28 | £221 |
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 - £17,496

Two storey extension - £87,994

Build a timber frame extension - £25,996

Build a swimming pool - £80,996

Single storey extension - £54,920

Side return extension - £41,455

Install an RSJ - £2,196

Outbuilding - £9,996

Build a Mansard loft conversion - £51,996

Loft conversion - £33,713

Build a kitchen extension - £41,996

Hip to gable loft conversion - £41,996

Granny annexe - £86,996

Garden office - £9,996

Convert a Garage - £15,996

Garage - £18,496

Build a flat roof extension - £21,996

Build a dormer loft conversion - £41,996

Concrete foundations - £6,246

Convert a bungalow loft - £28,996

Convert a basement - £37,455