From £86,600
Need to find an Extension Builder near you for all your extension buildering work?
LC Building Contractors Ltd provides a local, trusted ex...
From £86,736
Relax... you have found a reliable extension builder in EX37. Garage Door Repairman is a friendly and reliable company based in EX37 who consider n...
From £86,408
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,848
Copps Property Maintenance are here to help customers who need an Extension Builder in EX37. We offer a competitive rate to complete all your exten...
From £86,368
Steve And Ray Patt Builders & Decorators is an established extension buildering business in EX37. We come highly recommended and provide competitiv...
From £86,528
Experienced extension builder ready to quote for your work. T.P Woods is the best extension builder in EX37. No obligation free quotes and many hap...
From £86,944
MAW BUILDERS is a trusted extension builder serving customers in EX37 and the surrounding area. Contact us to today to get a competitive quote for ...
From £86,648
Experienced extension builder ready to quote for your work. Taylor Made Projects is the best extension builder in EX37. No obligation free quotes a...
From £86,408
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,672
N J BOWEN BUILDING LTD is an established and experienced local extension builder in EX37. Please contact us for a free, no obligation quote and com...

Building a granny annexe ranges from £86,368 (Steve And Ray Patt Builders & Decorators based in EX39) to £86,944 (MAW BUILDERS based in EX20), 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 EX37 by posting a job with HaMuch. We will send it to extension builders in EX37 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Barnstaple | £25 | £196 |
| Granny Annexe near Bideford | £22 | £174 |
| Granny Annexe near Tiverton | £25 | £202 |
| Granny Annexe near Exeter | £27 | £221 |
| Granny Annexe near Teignbridge | £27 | £260 |
| Granny Annexe near Exmouth | £24 | £210 |
| Granny Annexe near Vale of Glamorgan | £29 | £217 |
| Granny Annexe near Barry | £33 | £218 |
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 - £17,116

Two storey extension - £87,424

Build a timber frame extension - £25,616

Build a swimming pool - £80,616

Single storey extension - £47,320

Side return extension - £37,180

Install an RSJ - £1,816

Outbuilding - £9,616

Build a Mansard loft conversion - £51,616

Loft conversion - £30,150

Build a kitchen extension - £41,616

Hip to gable loft conversion - £41,616

Granny annexe - £86,616

Garden office - £9,616

Convert a Garage - £15,616

Garage - £18,116

Build a flat roof extension - £21,616

Build a dormer loft conversion - £41,616

Concrete foundations - £5,866

Convert a bungalow loft - £28,616

Convert a basement - £33,180