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Mandala Building Services
Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
"Loft conversion" - WD7, job posted 30/08/26
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...
"Loft conversion" - WD19, job posted 07/05/26
Sharp Building Ltd
Sharp Building Ltd is an established and experienced local extension builder in Abbots Langley. Please contact us for a free, no obligation quote a...
"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
Chrysalis
Chrysalis are here to help customers who need an Extension Builder in Abbots Langley. We offer a competitive rate to complete all your extension bu...
"Loft conversion" - WD24, job posted 07/12/25
PERFORMA CONSTRUCTION LIMITED
Relax... you have found a reliable extension builder in Abbots Langley. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in A...
"Side return extension" - WD18, job posted 09/10/25
Peter's Gutters
Peter Rourke
Trusted and professional extension builder in Abbots Langley. Experienced in all extension buildering work and keeping within budget and on quote. ...
"Kitchen extension" - HEMEL HEMPSTEAD, job posted 21/09/25
Buyerz Trading
Buyerz Trading is an established and experienced local extension builder in Abbots Langley. Please contact us for a free, no obligation quote and c...
"Single storey extension" - HEMEL HEMPSTEAD, job posted 07/09/25
R. Newman Construction
Are you looking for resin driveways in North London? We are a leading builder of driveways and patios in North London. We have expertise in various...
"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
IC Builders
IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...
"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
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...
"Single storey extension" - WATFORD, job posted 26/05/25
A.MILLS BUILDING SOLUTIONS LTD
Need an Extension Builder in Abbots Langley? A.MILLS BUILDING SOLUTIONS LTD has been helping local clients (20 mile radius) with their extension bu...
"Single storey extension" - HEMEL HEMPSTEAD, job posted 19/04/25
EB Construction & Building Ltd
Edmond Begu
EB Construction & Building Ltd are here to help customers who need an Extension Builder in Abbots Langley. We offer a competitive rate to complete ...
"Loft conversion" - ST ALBANS, job posted 04/03/25
J Pellow & Son Ltd
J Pellow & Son Ltd are here to help customers who need an Extension Builder in Abbots Langley. We offer a competitive rate to complete all your ext...
"Loft conversion" - HEMEL HEMPST, job posted 02/02/25
BBC
Relax... you have found a reliable extension builder in Abbots Langley. BBC is a friendly and reliable company based in Abbots Langley who consider...
"Hip to gable loft conversion" - WD24, job posted 28/01/25
London Roofing Building Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - WD17, job posted 27/12/24
Apollo Decor Ltd
Bradley Stevens
Experienced extension builder ready to quote for your work. Apollo Decor Ltd is the best extension builder in Abbots Langley. No obligation free qu...
"Two storey extension" - WATFORD, job posted 16/12/24
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 Abbots Langley. We come highly recommended and provide competitive quotes for yo...
"Loft conversion" - ST ALBANS, job posted 15/09/24
Frame Brickwork
Relax... you have found a reliable extension builder in Abbots Langley. Frame Brickwork is a friendly and reliable company based in Abbots Langley ...
"Loft conversion" - DACORUM, job posted 24/06/24
C S C BUILDINGS LTD
Relax... you have found a reliable extension builder in Abbots Langley. C S C BUILDINGS LTD is a friendly and reliable company based in Abbots Lang...
"Loft conversion Loft conversion" - DACORUM, job posted 03/06/24
Compare Abbots Langley extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near Dacorum | £42 | £275 |
| Extension Builders near Hemel Hempstead | £43 | £276 |
| Extension Builders near Bushey | £43 | £278 |
| Extension Builders near St Albans | £43 | £272 |
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near Borehamwood | £42 | £271 |
| Extension Builders near Berkhamsted | £41 | £273 |
| Extension Builders near Chesham | £42 | £277 |
| 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 - £26,232

Garden office - £10,232

Granny annexe - £87,232

Build a flat roof extension - £22,232

Convert a Garage - £16,232

Hip to gable loft conversion - £42,232

Convert a bungalow loft - £29,232

Build a dormer loft conversion - £42,232

Build a swimming pool - £81,232

Build a Mansard loft conversion - £52,232

Concrete foundations - £6,482

Underpin a building - £17,732

Two storey extension - £88,348

Convert a basement - £40,110

Side return extension - £44,110

Loft conversion - £35,925

Garage - £18,732

Single storey extension - £59,640

Outbuilding - £10,232

Install an RSJ - £2,432

Build a kitchen extension - £42,232
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