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Thanas Ntosti
Often, it is hard to find a plumber near you, particularly in the case of an emergency. NT Thanas has been providing trusted, rate...
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...
Need to find an Extension Builder near you for all your extension buildering work?
Picking your Local Builder provides a local, trusted ext...
Boothville, NN3
Trusted and professional extension builder in Boothville. Experienced in all extension buildering work and keeping within budget and on quote. Nort...
M Home Renovations is an established extension buildering business in Boothville. We come highly recommended and provide competitive quotes for you...
Walsh Builders Ltd is an established and experienced local extension builder in Boothville. Please contact us for a free, no obligation quote and c...
Need an Extension Builder in Boothville? Twelftree Builders has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Relax... you have found a reliable extension builder in Boothville. Wright Building is a friendly and reliable company based in Boothville who cons...
Need an Extension Builder in Boothville? DAB & K&G Building Services has been helping local clients (20 mile radius) with their extension builderin...
Samrai Associates was founded by Hars Samrai in Northampton in order to provide clients with a prompt and robust Architectural Service. Over time m...

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 Boothville by posting a job with HaMuch. We will send it to extension builders in Boothville who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Northampton | £35 | £239 |
| Granny Annexe near Wellingborough | £39 | £251 |
| Granny Annexe near Rushden | £34 | £231 |
| Granny Annexe near Kettering | £34 | £237 |
| Granny Annexe near Daventry | £31 | £230 |
| Granny Annexe near Market Harborough | £31 | £217 |
| Granny Annexe near Milton Keynes | £39 | £263 |
| Granny Annexe near Corby | £30 | £214 |
| Granny Annexe near Bedford | £45 | £278 |
| Granny Annexe near South Bedfordshire | £45 | £278 |
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 - £17,394

Two storey extension - £87,842

Build a timber frame extension - £25,894

Build a swimming pool - £80,894

Single storey extension - £52,888

Side return extension - £40,312

Install an RSJ - £2,094

Outbuilding - £9,894

Build a Mansard loft conversion - £51,894

Loft conversion - £32,760

Build a kitchen extension - £41,894

Hip to gable loft conversion - £41,894

Granny annexe - £86,894

Garden office - £9,894

Convert a Garage - £15,894

Garage - £18,394

Build a flat roof extension - £21,894

Build a dormer loft conversion - £41,894

Concrete foundations - £6,144

Convert a bungalow loft - £28,894

Convert a basement - £36,312