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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
JJSR Construction Ltd
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in West Watford. Please contact us for a free, no obligation quote ...
"Two storey extension" - WD3, job posted 13/05/26
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 West Watford. Please contact us for a free, no obligation quote and...
"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
Mario Prajar Building Services
Mario Prajar Building Services is an established and experienced local extension builder in West Watford. Please contact us for a free, no obligati...
"Loft conversion" - WD24, job posted 07/12/25
MAX CONSTRUCTION LTD
Need to find an Extension Builder near you for all your extension buildering work?
MAX CONSTRUCTION LTD provides a local, trusted extension...
"Side return extension" - WD18, job posted 09/10/25
RLC Construction
RLC Construction are here to help customers who need an Extension Builder in West Watford. We offer a competitive rate to complete all your extensi...
"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
Vital Builders
Vital Builders are here to help customers who need an Extension Builder in West Watford. We offer a competitive rate to complete all your extension...
"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
C T Edwards
Relax... you have found a reliable extension builder in West Watford. C T Edwards is a friendly and reliable company based in West Watford who cons...
"Single storey extension" - WATFORD, job posted 26/05/25
Building Service and Support Ltd
Relax... you have found a reliable extension builder in West Watford. Building Service and Support Ltd is a friendly and reliable company based in ...
"Garage conversion" - PINNER, job posted 24/03/25
J K GENERAL BUILDING LTD
Need to find an Extension Builder near you for all your extension buildering work?
J K GENERAL BUILDING LTD provides a local, trusted exten...
"Hip to gable loft conversion" - WD24, job posted 28/01/25
ALG Renovations
ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...
"Loft conversion - (2 Rooms and a shower) Total Area - 40 square metres)" - WD19, job posted 29/12/24
COMPLETE CIVIL ENGINEERING
Ciaran Feeney
Need to find an Extension Builder near you for all your extension buildering work?
COMPLETE CIVIL ENGINEERING provides a local, trusted ext...
"Loft conversion" - WD17, job posted 27/12/24
Chrysalis
Chrysalis are here to help customers who need an Extension Builder in West Watford. We offer a competitive rate to complete all your extension buil...
"Two storey extension" - WATFORD, job posted 16/12/24
WHIPP CONSTRUCTION LTD
WHIPP CONSTRUCTION LTD is an established extension buildering business in West Watford. We come highly recommended and provide competitive quotes f...
"Side return extension" - WD17, job posted 05/03/24
C & A Contractors
C & A Contractors is a trusted extension builder serving customers in West Watford and the surrounding area. Contact us to today to get a competiti...
PERFORMA CONSTRUCTION LIMITED
Relax... you have found a reliable extension builder in West Watford. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in Wes...
Volton Building & Paving
Volton Building & Paving is a trusted extension builder serving customers in West Watford and the surrounding area. Contact us to today to get a co...
IC Builders
IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...
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...
Compare West Watford extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near Bushey | £43 | £278 |
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near Harrow | £43 | £270 |
| Extension Builders near Borehamwood | £42 | £271 |
| Extension Builders near Gerrards Cross | £43 | £283 |
| Extension Builders near Hillingdon | £43 | £276 |
| Extension Builders near Dacorum | £42 | £275 |
| Extension Builders near St Albans | £43 | £272 |
| Extension Builders near Hemel Hempstead | £43 | £276 |
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 - £26,192
Garden office - £10,192
Granny annexe - £87,192
Build a flat roof extension - £22,192
Convert a Garage - £16,192
Hip to gable loft conversion - £42,192
Convert a bungalow loft - £29,192
Build a dormer loft conversion - £42,192
Build a swimming pool - £81,192
Build a Mansard loft conversion - £52,192
Concrete foundations - £6,442
Underpin a building - £17,692
Two storey extension - £88,288
Convert a basement - £39,660
Side return extension - £43,660
Loft conversion - £35,550
Garage - £18,692
Single storey extension - £58,840
Outbuilding - £10,192
Install an RSJ - £2,392
Build a kitchen extension - £42,192
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