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Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Jatinder Kahlon
Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...
From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...
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...
Russell Worcester
R & R Roofing Guildford are here to help customers who need an Extension Builder in New Haw. We offer a competitive rate to complete all your exten...
Need to find an Extension Builder near you for all your extension buildering work?
Chim Me Sweep Chim Me Build provides a local, trusted ex...
Relax... you have found a reliable extension builder in New Haw. DILCONSI CONSTRUCTION is a friendly and reliable company based in New Haw who cons...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Cosmin-Adrian Aporcariti
We are a company based in South London, with a strong will to work and to do the best job possible every tine we start a job (big or small) because...
Need to find an Extension Builder near you for all your extension buildering work?
GS Wood Building Services provides a local, trusted exte...

Building a granny annexe ranges from £86,760 (We Fix & Upkeep Ltd based in KT16) to £87,800 (OAK HOUSE BESPOKE BUILDERS based in KT9), 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 New Haw by posting a job with HaMuch. We will send it to extension builders in New Haw who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near New Haw | £43 | £273 |
| Granny Annexe near Walton-on-Thames | £43 | £277 |
| Granny Annexe near Elmbridge | £44 | £278 |
| Granny Annexe near Woking | £43 | £277 |
| Granny Annexe near Sunbury-on-Thames | £43 | £273 |
| Granny Annexe near Staines-upon-Thames | £42 | £269 |
| Granny Annexe near Egham | £42 | £266 |
| Granny Annexe near Esher | £43 | £274 |
| Granny Annexe near West Molesey | £43 | £274 |
| Granny Annexe near Great Bookham | £42 | £281 |
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 - £17,705

Two storey extension - £88,307

Build a timber frame extension - £26,205

Build a swimming pool - £81,205

Single storey extension - £59,096

Side return extension - £43,804

Install an RSJ - £2,405

Outbuilding - £10,205

Build a Mansard loft conversion - £52,205

Loft conversion - £35,670

Build a kitchen extension - £42,205

Hip to gable loft conversion - £42,205

Granny annexe - £87,205

Garden office - £10,205

Convert a Garage - £16,205

Garage - £18,705

Build a flat roof extension - £22,205

Build a dormer loft conversion - £42,205

Concrete foundations - £6,455

Convert a bungalow loft - £29,205

Convert a basement - £39,804