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Need to find an Extension Builder near you for all your extension buildering work?
MEP Building Services provides a local, trusted extensio...
Benchmark Builders is a trusted extension builder serving customers in HX4 and the surrounding area. Contact us to today to get a competitive quote...
From £86,568
Gary Ingham
Trusted and professional extension builder in HX4. Experienced in all extension buildering work and keeping within budget and on quote. GARY INGHAM...
From £89,720
Relax... you have found a reliable extension builder in HX4. Diamond Construction (Glazing) is a friendly and reliable company based in HX4 who con...
From £86,864
Haven Building and Maintenance Ltd is a trusted extension builder serving customers in HX4 and the surrounding area. Contact us to today to get a c...

Building a granny annexe ranges from £86,568 (GARY INGHAM JOINERY & BLDG LTD based in HX6) to £89,720 (Diamond Construction (Glazing) based in HX6), 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 HX4 by posting a job with HaMuch. We will send it to extension builders in HX4 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Halifax | £32 | £243 |
| Granny Annexe near Brighouse | £30 | £230 |
| Granny Annexe near Huddersfield | £29 | £224 |
| Granny Annexe near Calderdale | £33 | £253 |
| Granny Annexe near Kirklees | £30 | £231 |
| Granny Annexe near Mirfield | £31 | £236 |
| Granny Annexe near Holmfirth | £30 | £232 |
| Granny Annexe near Bradford | £29 | £225 |
| Granny Annexe near Batley | £32 | £239 |
| Granny Annexe near Dewsbury | £33 | £245 |
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 - £17,855

Two storey extension - £88,533

Build a timber frame extension - £26,355

Build a swimming pool - £81,355

Single storey extension - £62,104

Side return extension - £45,496

Install an RSJ - £2,555

Outbuilding - £10,355

Build a Mansard loft conversion - £52,355

Loft conversion - £37,080

Build a kitchen extension - £42,355

Hip to gable loft conversion - £42,355

Granny annexe - £87,355

Garden office - £10,355

Convert a Garage - £16,355

Garage - £18,855

Build a flat roof extension - £22,355

Build a dormer loft conversion - £42,355

Concrete foundations - £6,605

Convert a bungalow loft - £29,355

Convert a basement - £41,496