Local GU20 extension builders
A L King Services
£41/hour
£267/day
Experienced extension builder ready to quote for your work. A L King Services is the best extension builder in GU20. No obligation free quotes and ...
"Hi I was hoping to get a quote for the renovation of an entire house. It’s about 60 years old. I would need: 1. potential plastering of walls, r 2. removal of an existing kitchen & fitting of new 3. Removal of 1 bathroom & fitting of 2 4. garage conversion 5. flooring & carpet, ..." - RG12, job posted 04/09/24
Kendall Construction
£47/hour
£309/day
Kendall Construction is an established and experienced local extension builder in GU20. Please contact us for a free, no obligation quote and compe...
"Hi I was hoping to get a quote for the renovation of an entire house. It’s about 60 years old. I would need: 1. potential plastering of walls, r 2. removal of an existing kitchen & fitting of new 3. Removal of 1 bathroom & fitting of 2 4. garage conversion 5. flooring & carpet, ..." - RG12, job posted 04/09/24
ASAP Roofing & Exterior Maintenance
£48/hour
£309/day
ASAP Roofing & Exterior Maintenance is a trusted extension builder serving customers in GU20 and the surrounding area. Contact us to today to get a...
GM Bailey and Sons Ltd
£41/hour
£269/day
Experienced extension builder ready to quote for your work. GM Bailey and Sons Ltd is the best extension builder in GU20. No obligation free quotes...
D and D Property Maintenance
£42/hour
£242/day
We have been in the trade for some years now and offer a wide range of services from decorating through to complete refurbishment .
HSL BUILDING SERVICES
£46/hour
£300/day
HSL BUILDING SERVICES are here to help customers who need an Extension Builder in GU20. We offer a competitive rate to complete all your extension...
BRICK CONSTRUCTION
£44/hour
£286/day
BRICK CONSTRUCTION is a trusted extension builder serving customers in GU20 and the surrounding area. Contact us to today to get a competitive quot...
BESPOKE BUILDING SOLUTIONS
£37/hour
£242/day
BESPOKE BUILDING SOLUTIONS is an established and experienced local extension builder in GU20. Please contact us for a free, no obligation quote and...
JORDAN CONSTRUCTION LTD
£37/hour
£246/day
JORDAN CONSTRUCTION LTD are here to help customers who need an Extension Builder in GU20. We offer a competitive rate to complete all your extensio...
PS Architectural Design
£39/hour
£254/day
I have been remodelling and restyling homes for over 35 years ; creating amazing spaces to live and making people happy is my passion , my hobby an...
K & J Builders & Decorators
£47/hour
£309/day
Relax... you have found a reliable extension builder in GU20. K & J Builders & Decorators is a friendly and reliable company based in GU20 who cons...
JAMES BURKE GENERAL BUILDING
£46/hour
£304/day
JAMES BURKE GENERAL BUILDING is an established and experienced local extension builder in GU20. Please contact us for a free, no obligation quote a...
Crown Designs
£44/hour
£286/day
Trusted and professional extension builder in GU20. Experienced in all extension buildering work and keeping within budget and on quote. Crown Desi...
Stoke Park Developments Ltd
£38/hour
£249/day
Stoke Park Developments Ltd is a trusted extension builder serving customers in GU20 and the surrounding area. Contact us to today to get a competi...
Ron Smale Construction Limited
£43/hour
£279/day
Our highly professional business is named after the incredible grandfather of our company’s founder, Zane. Ron Smale guided Zane into the constru...
WRIGHT BUILDING SERVICES
£39/hour
£258/day
Trusted and professional extension builder in GU20. Experienced in all extension buildering work and keeping within budget and on quote. WRIGHT BUI...
Cornerstone DBR Ltd
£45/hour
£306/day
Get an Extension Builder in GU20 who you can trust. Cornerstone DBR Ltd provide friendly and reliable extension buildering services to the GU20 are...
The most important thing is do avoid handing over cash or paying large sums in advance. Be wary of paying cash for a cheaper job, i.e. to avoid VAT, you may be going down a slippery slope of not doing things properly which may eventually mean your job is also not done properly.
Agree when you intend to pay, ideally after you are satisfied with the completed job. If it is a big job agree a schedule of staged payments which is fair to both parties.
To avoid bad tradespeople and to ensure you can find them should they not answer a mobile;
- Get proper contact details and check them yourself
- Check if the company is verified on the Companies House website
- Get phone details, ideally a land line or 0800 number and check it
- Get a physical office address
Get quotes in writing by email or in person if possible. Getting quotes online or by text is ok (make sure you accept the offer by replying). For large projects make a written agreement, schedule of works and snagging plans as part of a working document. Also;
- Agree expected quality of workmanship and materials in advance
- When will work start and when will project be finished, what happens if project over runs ?
- How long is the guarantee on work and materials eg 12 months
- Discuss onsite behaviour in advance (no smoking, swearing or using mobile phones for non-work purposes)
- Agree that your Extension Builder will remove all debris and rubbish and what level of tidying up you want after job
Compare GU20 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Ascot | £41 | £276 |
| Extension Builders near Camberley | £41 | £283 |
| Extension Builders near Bracknell | £41 | £286 |
| Extension Builders near Bracknell Forest | £41 | £287 |
| Extension Builders near Sandhurst | £41 | £283 |
| Extension Builders near Woking | £43 | £277 |
| Extension Builders near Egham | £42 | £266 |
| Extension Builders near Farnborough | £41 | £273 |
| Extension Builders near New Haw | £43 | £273 |
| Extension Builders near Staines-upon-Thames | £42 | £269 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £26,216

Garden office - £10,216

Granny annexe - £87,216

Build a flat roof extension - £22,216

Convert a Garage - £16,216

Hip to gable loft conversion - £42,216

Convert a bungalow loft - £29,216

Build a dormer loft conversion - £42,216

Build a swimming pool - £81,216

Build a Mansard loft conversion - £52,216

Concrete foundations - £6,466

Underpin a building - £17,716

Two storey extension - £88,324

Convert a basement - £39,930

Side return extension - £43,930

Loft conversion - £35,775

Garage - £18,716

Single storey extension - £59,320

Outbuilding - £10,216

Install an RSJ - £2,416

Build a kitchen extension - £42,216
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