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AV Home Improvements
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
"Single storey extension" - SL9, job posted 27/09/26
HAMPTON CONSTRUCTION LTD
HAMPTON CONSTRUCTION LTD are here to help customers who need an Extension Builder in Chalfont St Giles. We offer a competitive rate to complete all...
"Two storey extension" - WD3, job posted 13/05/26
Sheppard Construction Ltd
Sheppard Construction Ltd is a trusted extension builder serving customers in Chalfont St Giles and the surrounding area. Contact us to today to ge...
"Loft conversion" - BEACONSFIELD, job posted 15/10/25
A Iqbal Construction Ltd
Our building services company A Iqbal Construction Ltd was established in 2018. Since then, we have been helping customers in Slough and the surrou...
Rai Builders
Experienced extension builder ready to quote for your work. Rai Builders is the best extension builder in Chalfont St Giles. No obligation free quo...
6:59 Ltd
Need to find an Extension Builder near you for all your extension buildering work?
6:59 Ltd provides a local, trusted extension buildering ...
Building High Wycombe
Relax... you have found a reliable extension builder in Chalfont St Giles. Building High Wycombe is a friendly and reliable company based in Chalfo...
Mitchell & Co Building & Renovations Ltd
Mitchell & Co Building & Renovations Ltd is an established extension buildering business in Chalfont St Giles. We come highly recommended and provi...
jesson ladscaping and construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Be Illuminated
Be Illuminated are here to help customers who need an Extension Builder in Chalfont St Giles. We offer a competitive rate to complete all your exte...
Steve Knight Construction
Steve Knight Construction is a High Wycombe based Building Company with 38 years experience in all aspects of the Construction Industry. We are abl...
JAYEM BUILDING SERVICES LTD
Need to find an Extension Builder near you for all your extension buildering work?
JAYEM BUILDING SERVICES LTD provides a local, trusted ex...
Charts Project Management and Build
Our building services company Charts Project Management and Build has been helping customers in Buckinghamshire and the surrounding area by providi...
Loudwater Building Services
Need to find an Extension Builder near you for all your extension buildering work?
Loudwater Building Services provides a local, trusted ex...
ROBINSON AND EDGSON BUILDERS
ROBINSON AND EDGSON BUILDERS is a trusted extension builder serving customers in Chalfont St Giles and the surrounding area. Contact us to today to...
Chris Warren Construction Ltd
Chris Warren Construction Ltd is an established extension buildering business in Chalfont St Giles. We come highly recommended and provide competit...
BALECOURT BUILDERS LIMITED
Sats MALHOTRA
BEEN AROUND A LONG TIME, WE WILL ONLY NOW TAKE ON ONE CONTRACT AT A TIME, WHEN ONES FINISHING WE START THE NEXT ONE IF POSSABLE, THUS GIVING ...
"Do not use this company, they caused over £350000 worth defects on a new build, this is still ongoing, property built in 2009, still having issues in 2018." - LONDON,reviewed 02/02/18, CLIVE BOWDEN
Frame Brickwork
Relax... you have found a reliable extension builder in Chalfont St Giles. Frame Brickwork is a friendly and reliable company based in Chalfont St ...
C S C BUILDINGS LTD
Relax... you have found a reliable extension builder in Chalfont St Giles. C S C BUILDINGS LTD is a friendly and reliable company based in Chalfont...
1st Choice Builders UK
Experienced extension builder ready to quote for your work. 1st Choice Builders UK is the best extension builder in Chalfont St Giles. No obligatio...
Compare Chalfont St Giles extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Gerrards Cross | £43 | £283 |
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near Chesham | £42 | £277 |
| Extension Builders near Hazlemere | £40 | £272 |
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near Dacorum | £42 | £275 |
| Extension Builders near Hillingdon | £43 | £276 |
| Extension Builders near Berkhamsted | £41 | £273 |
| Extension Builders near Hemel Hempstead | £43 | £276 |
| Extension Builders near High Wycombe | £39 | £272 |
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 - £26,272
Garden office - £10,272
Granny annexe - £87,272
Build a flat roof extension - £22,272
Convert a Garage - £16,272
Hip to gable loft conversion - £42,272
Convert a bungalow loft - £29,272
Build a dormer loft conversion - £42,272
Build a swimming pool - £81,272
Build a Mansard loft conversion - £52,272
Concrete foundations - £6,522
Underpin a building - £17,772
Two storey extension - £88,408
Convert a basement - £40,560
Side return extension - £44,560
Loft conversion - £36,300
Garage - £18,772
Single storey extension - £60,440
Outbuilding - £10,272
Install an RSJ - £2,472
Build a kitchen extension - £42,272
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