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From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...
Relax... you have found a reliable extension builder in Ascot. K & J Builders & Decorators is a friendly and reliable company based in Ascot who co...
Ascot, SL5
Experienced extension builder ready to quote for your work. A L King Services is the best extension builder in Ascot. No obligation free quotes and...
Ascot, SL5
ASAP Roofing & Exterior Maintenance is a trusted extension builder serving customers in Ascot and the surrounding area. Contact us to today to get ...
Experienced extension builder ready to quote for your work. A South View is the best extension builder in Ascot. No obligation free quotes and many...
Ani Mokashi is an established and experienced local extension builder in Ascot. Please contact us for a free, no obligation quote and competitive r...
Experienced extension builder ready to quote for your work. NICE BUILD is the best extension builder in Ascot. No obligation free quotes and many h...
Experienced extension builder ready to quote for your work. Brooklyn Property Services Ltd is the best extension builder in Ascot. No obligation fr...
A & S Construction is an established and experienced local extension builder in Ascot. Please contact us for a free, no obligation quote and compet...
Lead by designer Richard Gordon, GDC is a London and Berkshire based Design & Build firm with a vast amount of experience in both the residential a...

Building a granny annexe ranges from £86,984 (NICE BUILD based in RG42) to £87,472 (K & J Builders & Decorators based in GU19), 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 Ascot by posting a job with HaMuch. We will send it to extension builders in Ascot who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Ascot | £41 | £276 |
| Granny Annexe near Bracknell | £40 | £269 |
| Granny Annexe near Bracknell Forest | £40 | £270 |
| Granny Annexe near Egham | £42 | £266 |
| Granny Annexe near Windsor | £41 | £271 |
| Granny Annexe near Windsor & Maidenhead | £42 | £272 |
| Granny Annexe near Camberley | £40 | £268 |
| Granny Annexe near Staines-upon-Thames | £42 | £269 |
| Granny Annexe near Sandhurst | £40 | £268 |
| Granny Annexe near Wokingham | £40 | £267 |
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 - £17,816

Two storey extension - £88,474

Build a timber frame extension - £26,316

Build a swimming pool - £81,316

Single storey extension - £61,320

Side return extension - £45,055

Install an RSJ - £2,516

Outbuilding - £10,316

Build a Mansard loft conversion - £52,316

Loft conversion - £36,713

Build a kitchen extension - £42,316

Hip to gable loft conversion - £42,316

Granny annexe - £87,316

Garden office - £10,316

Convert a Garage - £16,316

Garage - £18,816

Build a flat roof extension - £22,316

Build a dormer loft conversion - £42,316

Concrete foundations - £6,566

Convert a bungalow loft - £29,316

Convert a basement - £41,055