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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 13/09/26
JJSR Construction Ltd
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in Bushey Heath. Please contact us for a free, no obligation quote ...
"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 Bushey Heath. Please contact us for a free, no obligation quote and...
"Loft conversion" - HARROW, job posted 04/04/26
Mario Prajar Building Services
Mario Prajar Building Services is an established and experienced local extension builder in Bushey Heath. Please contact us for a free, no obligati...
"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
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...
"Loft conversion" - WD24, job posted 07/12/25
RLC Construction
RLC Construction are here to help customers who need an Extension Builder in Bushey Heath. We offer a competitive rate to complete all your extensi...
"Side return extension" - WD18, job posted 09/10/25
Vital Builders
Vital Builders are here to help customers who need an Extension Builder in Bushey Heath. We offer a competitive rate to complete all your extension...
"Loft conversion" - HARROW ON THE HILL, job posted 29/09/25
C T Edwards
Relax... you have found a reliable extension builder in Bushey Heath. C T Edwards is a friendly and reliable company based in Bushey Heath who cons...
"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
Building Service and Support Ltd
Relax... you have found a reliable extension builder in Bushey Heath. Building Service and Support Ltd is a friendly and reliable company based in ...
"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
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...
"Garden office" - HARROW ON THE HILL, job posted 20/07/25
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" - HARROW ON THE HILL, job posted 05/07/25
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...
"Single storey extension" - BOREHAMWOOD, job posted 05/07/25
Chrysalis
Chrysalis are here to help customers who need an Extension Builder in Bushey Heath. We offer a competitive rate to complete all your extension buil...
"Single storey extension" - WATFORD, job posted 26/05/25
WHIPP CONSTRUCTION LTD
WHIPP CONSTRUCTION LTD is an established extension buildering business in Bushey Heath. We come highly recommended and provide competitive quotes f...
"Garage conversion" - PINNER, job posted 24/03/25
C & A Contractors
C & A Contractors is a trusted extension builder serving customers in Bushey Heath and the surrounding area. Contact us to today to get a competiti...
"Loft conversion" - HARROW ON THE HILL, job posted 07/03/25
PERFORMA CONSTRUCTION LIMITED
Relax... you have found a reliable extension builder in Bushey Heath. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in Bus...
"Hip to gable loft conversion" - WD24, job posted 28/01/25
Volton Building & Paving
Volton Building & Paving is a trusted extension builder serving customers in Bushey Heath and the surrounding area. Contact us to today to get a co...
"Two storey extension" - HA7, job posted 13/01/25
Krystian Wojasiewicz
Krystian Wojasiewicz
Krystian Wojasiewicz is a trusted extension builder serving customers in Bushey Heath and the surrounding area. Contact us to today to get a compet...
"Loft conversion - (2 Rooms and a shower) Total Area - 40 square metres)" - WD19, job posted 29/12/24
WHITE EAGLE CONSTRUCTION LTD
Trusted and professional extension builder in Bushey Heath. Experienced in all extension buildering work and keeping within budget and on quote. WH...
"Loft conversion" - WD17, job posted 27/12/24
Compare Bushey Heath extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Bushey | £43 | £278 |
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near Borehamwood | £42 | £271 |
| Extension Builders near Harrow | £43 | £270 |
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near High Barnet | £43 | £272 |
| Extension Builders near Brent Cross | £43 | £273 |
| Extension Builders near St Albans | £43 | £272 |
| Extension Builders near Hillingdon | £43 | £276 |
| Extension Builders near Gerrards Cross | £43 | £283 |
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 - £26,176
Garden office - £10,176
Granny annexe - £87,176
Build a flat roof extension - £22,176
Convert a Garage - £16,176
Hip to gable loft conversion - £42,176
Convert a bungalow loft - £29,176
Build a dormer loft conversion - £42,176
Build a swimming pool - £81,176
Build a Mansard loft conversion - £52,176
Concrete foundations - £6,426
Underpin a building - £17,676
Two storey extension - £88,264
Convert a basement - £39,480
Side return extension - £43,480
Loft conversion - £35,400
Garage - £18,676
Single storey extension - £58,520
Outbuilding - £10,176
Install an RSJ - £2,376
Build a kitchen extension - £42,176
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