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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...
"Looking for a loft conversion with a flat shed dormer (1 bed and bathroom) i have plans which have been submitted so looking for quotes" - WD24, job posted 26/12/25
Sharp Building Ltd
Sharp Building Ltd is an established and experienced local extension builder in Kings Langley. Please contact us for a free, no obligation quote an...
"Loft conversion" - WD24, job posted 07/12/25
IC Builders
IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...
"Side return extension" - WD18, job posted 09/10/25
ARI Studio LTD
Need to find an Extension Builder near you for all your extension buildering work?
ARI Studio LTD provides a local, trusted extension build...
"Kitchen extension" - HEMEL HEMPSTEAD, job posted 21/09/25
A.MILLS BUILDING SOLUTIONS LTD
Need an Extension Builder in Kings Langley? A.MILLS BUILDING SOLUTIONS LTD has been helping local clients (20 mile radius) with their extension bui...
"Single storey extension" - HEMEL HEMPSTEAD, job posted 07/09/25
EB Construction & Building Ltd
Edmond Begu
EB Construction & Building Ltd are here to help customers who need an Extension Builder in Kings Langley. We offer a competitive rate to complete a...
"I am looking for quotes for a small rear extension on a terraced property in WD18, Watford. The extension will be built directly behind the existing kitchen and will house a toilet, stand-up shower, and a small hand basin. Existing Details: Existing Kitchen Width (internal): 2.01 metres ..." - WD18, job posted 07/08/25
J Pellow & Son Ltd
J Pellow & Son Ltd are here to help customers who need an Extension Builder in Kings Langley. We offer a competitive rate to complete all your exte...
"I am looking for quotes for a small rear extension on a terraced property in WD18, Watford. The extension will be built directly behind the existing kitchen and will house a toilet, stand-up shower, and a small hand basin. Existing Details: Property Type: Mid-terrace house Location: WD18,..." - WATFORD, job posted 07/08/25
Apollo Decor Ltd
Bradley Stevens
Experienced extension builder ready to quote for your work. Apollo Decor Ltd is the best extension builder in Kings Langley. No obligation free quo...
"Single storey extension" - WATFORD, job posted 26/05/25
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
AVENUE BUILDERS
AVENUE BUILDERS is an established extension buildering business in Kings Langley. We come highly recommended and provide competitive quotes for you...
"Single storey extension" - HEMEL HEMPSTEAD, job posted 19/04/25
Frame Brickwork
Relax... you have found a reliable extension builder in Kings Langley. Frame Brickwork is a friendly and reliable company based in Kings Langley wh...
"Loft conversion" - HEMEL HEMPST, job posted 02/02/25
C S C BUILDINGS LTD
Relax... you have found a reliable extension builder in Kings Langley. C S C BUILDINGS LTD is a friendly and reliable company based in Kings Langle...
"Hip to gable loft conversion" - WD24, job posted 28/01/25
1st Choice Builders UK
Experienced extension builder ready to quote for your work. 1st Choice Builders UK is the best extension builder in Kings Langley. No obligation fr...
"Loft conversion" - WD17, job posted 27/12/24
T N Roofing
T N Roofing is an established extension buildering business in Kings Langley. We come highly recommended and provide competitive quotes for your wo...
"Two storey extension" - WATFORD, job posted 16/12/24
Timeless Interiors
Personable and individual interior design service designed around what you love.
"Loft conversion" - DACORUM, job posted 24/06/24
A&T Building
Andy
A&T Building is an established extension buildering business in Kings Langley. We come highly recommended and provide competitive quotes for your w...
"Loft conversion Loft conversion" - DACORUM, job posted 03/06/24
Project Squared Construction Ltd
We specialise in constructing and the refurbishment of homes for discerning clients looking for quality, excellence and design in London and the Ho...
"Side return extension" - WD17, job posted 05/03/24
Conversion Property and Electrical Services
Our building services company Conversion Property and Electrical Services has 17 years of experience in the industry. We have been helping customer...
J MCNAMEE J & J BUILDERS
Relax... you have found a reliable extension builder in Kings Langley. J MCNAMEE J & J BUILDERS is a friendly and reliable company based in Kings L...
KATELL PROPERTY MAINTENANCE
KATELL PROPERTY MAINTENANCE is a trusted extension builder serving customers in Kings Langley and the surrounding area. Contact us to today to get ...
Compare Kings Langley extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Dacorum | £42 | £275 |
| Extension Builders near Hemel Hempstead | £43 | £276 |
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near St Albans | £43 | £272 |
| Extension Builders near Bushey | £43 | £278 |
| Extension Builders near Berkhamsted | £41 | £273 |
| Extension Builders near Chesham | £42 | £277 |
| Extension Builders near Borehamwood | £42 | £271 |
| Extension Builders near Harpenden | £45 | £282 |
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 - £26,256
Garden office - £10,256
Granny annexe - £87,256
Build a flat roof extension - £22,256
Convert a Garage - £16,256
Hip to gable loft conversion - £42,256
Convert a bungalow loft - £29,256
Build a dormer loft conversion - £42,256
Build a swimming pool - £81,256
Build a Mansard loft conversion - £52,256
Concrete foundations - £6,506
Underpin a building - £17,756
Two storey extension - £88,384
Convert a basement - £40,380
Side return extension - £44,380
Loft conversion - £36,150
Garage - £18,756
Single storey extension - £60,120
Outbuilding - £10,256
Install an RSJ - £2,456
Build a kitchen extension - £42,256
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