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Alan Hicks
Need to find an Extension Builder near you for all your extension buildering work?
A G Hicks Building Services provides a local, trusted ex...
Trusted and professional extension builder in Wellingborough. Experienced in all extension buildering work and keeping within budget and on quote. ...
M Home Renovations is an established extension buildering business in Wellingborough. We come highly recommended and provide competitive quotes for...
Samrai Associates was founded by Hars Samrai in Northampton in order to provide clients with a prompt and robust Architectural Service. Over time m...
Kettering Mobile Sandblasting are here to help customers who need an Extension Builder in Wellingborough. We offer a competitive rate to complete a...
I Plowright Brickwork is an established extension buildering business in Wellingborough. We come highly recommended and provide competitive quotes ...
Garden and Building Solutions is an established and experienced local extension builder in Wellingborough. Please contact us for a free, no obligat...
Wellingborough, NN8
Experienced extension builder ready to quote for your work. Home Ryte Construction is the best extension builder in Wellingborough. No obligation f...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Wellingborough. Jogga Construction is a friendly and reliable company based in Wellingborou...

Building a granny annexe ranges from £86,544 (A G Hicks Building Services based in NN3) to £87,248 (Samrai Associates Limited based in NN3), 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 Wellingborough by posting a job with HaMuch. We will send it to extension builders in Wellingborough who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Wellingborough | £39 | £251 |
| Granny Annexe near Rushden | £34 | £231 |
| Granny Annexe near Kettering | £34 | £237 |
| Granny Annexe near Northampton | £35 | £239 |
| Granny Annexe near Corby | £30 | £214 |
| Granny Annexe near South Bedfordshire | £45 | £278 |
| Granny Annexe near Bedford | £45 | £278 |
| Granny Annexe near Market Harborough | £31 | £217 |
| Granny Annexe near Kempston | £44 | £273 |
| Granny Annexe near Milton Keynes | £39 | £263 |
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 - £17,378

Two storey extension - £87,818

Build a timber frame extension - £25,878

Build a swimming pool - £80,878

Single storey extension - £52,568

Side return extension - £40,132

Install an RSJ - £2,078

Outbuilding - £9,878

Build a Mansard loft conversion - £51,878

Loft conversion - £32,610

Build a kitchen extension - £41,878

Hip to gable loft conversion - £41,878

Granny annexe - £86,878

Garden office - £9,878

Convert a Garage - £15,878

Garage - £18,378

Build a flat roof extension - £21,878

Build a dormer loft conversion - £41,878

Concrete foundations - £6,128

Convert a bungalow loft - £28,878

Convert a basement - £36,132