From £87,192
Need an Extension Builder in Beaconsfield? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for m...
From £87,280
Trusted and professional extension builder in Beaconsfield. Experienced in all extension buildering work and keeping within budget and on quote. DC...
From £87,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,432
DP Services is a fully insured friendly local company which has been trading since 2002 and delivers high quality building work in domestic extensi...
From £87,304
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
From £87,424
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,392
Need an Extension Builder in Beaconsfield? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for...
From £86,920
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...
From £87,432
Krystian Wojasiewicz is a trusted extension builder serving customers in Beaconsfield and the surrounding area. Contact us to today to get a compet...
From £87,432
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...

Building a granny annexe ranges from £86,920 (Nisup Building Services based in HA8) to £87,432 (DP Services based in RG41), 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 Beaconsfield by posting a job with HaMuch. We will send it to extension builders in Beaconsfield who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Gerrards Cross | £43 | £282 |
| Granny Annexe near Hazlemere | £40 | £272 |
| Granny Annexe near High Wycombe | £39 | £272 |
| Granny Annexe near Slough | £42 | £272 |
| Granny Annexe near Maidenhead | £41 | £273 |
| Granny Annexe near Rickmansworth | £42 | £278 |
| Granny Annexe near Chesham | £42 | £277 |
| Granny Annexe near Wycombe | £39 | £271 |
| Granny Annexe near Windsor & Maidenhead | £42 | £272 |
| Granny Annexe near Hillingdon | £63 | £276 |
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 - £17,812

Two storey extension - £88,468

Build a timber frame extension - £26,312

Build a swimming pool - £81,312

Single storey extension - £61,240

Side return extension - £45,010

Install an RSJ - £2,512

Outbuilding - £10,312

Build a Mansard loft conversion - £52,312

Loft conversion - £36,675

Build a kitchen extension - £42,312

Hip to gable loft conversion - £42,312

Granny annexe - £87,312

Garden office - £10,312

Convert a Garage - £16,312

Garage - £18,812

Build a flat roof extension - £22,312

Build a dormer loft conversion - £42,312

Concrete foundations - £6,562

Convert a bungalow loft - £29,312

Convert a basement - £41,010