From £87,064
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 Warwickshire. We offer a competitive rate to complete all your exten...
From £87,040
Experienced extension builder ready to quote for your work. Redbrickz Property Management Ltd is the best extension builder in Warwickshire. No obl...
From £86,776
Benton Builders is an established and experienced local extension builder in Warwickshire. Please contact us for a free, no obligation quote and co...
From £86,784
Form Construction Midlands Limited is a trusted extension builder serving customers in Warwickshire and the surrounding area. Contact us to today t...
From £86,944
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
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 £87,008
Experienced extension builder ready to quote for your work. J.G Builders is the best extension builder in Warwickshire. No obligation free quotes a...
From £86,968
Warwickshire, B92
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 ...
From £86,728
Relax... you have found a reliable extension builder in Warwickshire. F.I.I Building Services Ltd is a friendly and reliable company based in Warwi...

Building a granny annexe ranges from £86,560 (Cubit Contracts based in B98) 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 Warwickshire by posting a job with HaMuch. We will send it to extension builders in Warwickshire 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 | £29 | £227 |
| Granny Annexe near Kenilworth | £29 | £224 |
| 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 | £222 |
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 - £17,380

Two storey extension - £87,820

Build a timber frame extension - £25,880

Build a swimming pool - £80,880

Single storey extension - £52,600

Side return extension - £40,150

Install an RSJ - £2,080

Outbuilding - £9,880

Build a Mansard loft conversion - £51,880

Loft conversion - £32,625

Build a kitchen extension - £41,880

Hip to gable loft conversion - £41,880

Granny annexe - £86,880

Garden office - £9,880

Convert a Garage - £15,880

Garage - £18,380

Build a flat roof extension - £21,880

Build a dormer loft conversion - £41,880

Concrete foundations - £6,130

Convert a bungalow loft - £28,880

Convert a basement - £36,150