From £87,080
Londonderry, UB7
Relax... you have found a reliable extension builder in UB7. Bespoke Extension LTD is a friendly and reliable company based in UB7 who consider no ...
From £87,144
Relax... you have found a reliable extension builder in UB7. RODOF Ltd is a friendly and reliable company based in UB7 who consider no job as too b...
From £87,344
Northumberland, UB7
Need an Extension Builder in UB7? Sahar's Room has been helping local clients (10 mile radius) with their extension buildering jobs for many years....
From £87,440
La Vaastu An expert eye for design!My little practice is based in West London and I’ve been practicing for about six years. The types of archite...
From £87,224
West drayton, UB7
R & V Mann Construction are here to help customers who need an Extension Builder in UB7. We offer a competitive rate to complete all your extension...
From £87,360
West Drayton, UB7
Experienced extension builder ready to quote for your work. KRSS CONSTRUCTION is the best extension builder in UB7. No obligation free quotes and m...
From £87,080
Experienced extension builder ready to quote for your work. Tej Builders is the best extension builder in UB7. No obligation free quotes and many h...
From £87,360
London, UB7
Need to find an Extension Builder near you for all your extension buildering work?
R&P Solution LTD provides a local, trusted extension bui...
From £87,320
Prestige Roofing and Guttering Services is a trusted extension builder serving customers in UB7 and the surrounding area. Contact us to today to ge...

Building a granny annexe ranges from £87,080 (Bespoke Extension LTD based in UB7) to £87,440 (La Vaastu based in ub7), 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 UB7 by posting a job with HaMuch. We will send it to extension builders in UB7 who will be happy to help you.
| Borough in London |
|---|
| Granny Annexe in West Drayton |
| Granny Annexe in Stockley Park |
| Granny Annexe in Uxbridge |
| Granny Annexe in Hayes |
| Granny Annexe in Iver |
| Granny Annexe in Heathrow |
| Granny Annexe in Yeading |
| Granny Annexe in Hillingdon |
| Granny Annexe in Colnbrook |
| Granny Annexe in Southall |
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 - £17,769

Two storey extension - £88,403

Build a timber frame extension - £26,269

Build a swimming pool - £81,269

Single storey extension - £60,376

Side return extension - £44,524

Install an RSJ - £2,469

Outbuilding - £10,269

Build a Mansard loft conversion - £52,269

Loft conversion - £36,270

Build a kitchen extension - £42,269

Hip to gable loft conversion - £42,269

Granny annexe - £87,269

Garden office - £10,269

Convert a Garage - £16,269

Garage - £18,769

Build a flat roof extension - £22,269

Build a dormer loft conversion - £42,269

Concrete foundations - £6,519

Convert a bungalow loft - £29,269

Convert a basement - £40,524