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Charlotte Elizabeth Projects
Trusted and professional extension builder in Northamptonshire. Experienced in all extension buildering work and keeping within budget and on quote...
From £86,728
K B CONTRACTORS (IND) LTD
Ken Burton
Experienced house builder. Eco structures from Denmark as well as conventional build. Extensions. Bathrooms. Kitchens and support steels when requi...
From £86,616
Natural Structures Limited
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,760
BHM Leicester
Experienced extension builder ready to quote for your work. BHM Leicester is the best extension builder in Northamptonshire. No obligation free quo...
From £86,576
Langton Homes
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,472
Ascot Property Solutions Limited
Northamptonshire, NN17
Ascot Property Solutions Limited is an established and experienced local extension builder in Northamptonshire. Please contact us for a free, no ob...
From £86,600
New Revival - Construction Management
Northamptonshire, NN6
New Revival - Construction Management is a trusted extension builder serving customers in Northamptonshire and the surrounding area. Contact us to ...
Granny Annexe Cost in Northamptonshire
Building a granny annexe ranges from £86,472 (Ascot Property Solutions Limited based in NN17) to £86,760 (BHM Leicester based in LE8), 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 Northamptonshire by posting a job with HaMuch. We will send it to extension builders in Northamptonshire who will be happy to help you.
- How much does a granny annexe cost to build in the UK?
- What is a granny annexe?
- How big can a granny annexe be?
- How to get planning permission for a granny annexe
- What is the granny annexe tax loophole?
- Does an annexe increase council tax?
- Do you need planning permission to convert a garage into a granny flat?
- Can you claim VAT back on a granny annexe?
- Can I let out my granny annexe?
- Does an annexe increase property value?
- Can a granny annexe be sold separately?
- Do you have to pay stamp duty on an annexe?
Get extension builder rates instantly
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Market Harborough | £31 | £217 |
| Granny Annexe near Corby | £30 | £214 |
| Granny Annexe near Kettering | £34 | £237 |
| Granny Annexe near Wigston | £28 | £210 |
| Granny Annexe near Oadby | £28 | £207 |
| Granny Annexe near Hamilton | £29 | £213 |
| Granny Annexe near Leicester | £29 | £213 |
| Granny Annexe near Wellingborough | £39 | £251 |
| Granny Annexe near Northampton | £35 | £239 |
| Granny Annexe near Rugby | £31 | £224 |
Estimates for common extension builder jobs in Northamptonshire;
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 - £17,142
Two storey extension - £87,463
Build a timber frame extension - £25,642
Build a swimming pool - £80,642
Single storey extension - £47,846
Side return extension - £37,476
Install an RSJ - £1,842
Outbuilding - £9,642
Build a Mansard loft conversion - £51,642
Loft conversion - £30,396
Build a kitchen extension - £41,642
Hip to gable loft conversion - £41,642
Granny annexe - £86,642
Garden office - £9,642
Convert a Garage - £15,642
Garage - £18,142
Build a flat roof extension - £21,642
Build a dormer loft conversion - £41,642
Concrete foundations - £5,892
Convert a bungalow loft - £28,642
Convert a basement - £33,476