How HaMuch saves you money
Post your job for free
We send your job to ALL Rickmansworth extension builders
Compare quotes
Available extension builders in Rickmansworth reply
Save Money
Select your affordable Rickmansworth extension builder
Post your job
JJSR Construction Ltd
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in Rickmansworth. Please contact us for a free, no obligation quote...
"Single storey extension" - SL9, job posted 27/09/26
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...
"Two storey extension" - WD3, job posted 13/05/26
Sharp Building Ltd
Sharp Building Ltd is an established and experienced local extension builder in Rickmansworth. Please contact us for a free, no obligation quote an...
"Loft conversion" - WD19, job posted 07/05/26
Mario Prajar Building Services
Mario Prajar Building Services is an established and experienced local extension builder in Rickmansworth. Please contact us for a free, no obligat...
"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 Rickmansworth. We offer a competitive rate to complete all your extens...
"Side return extension" - WD18, job posted 09/10/25
C T Edwards
Relax... you have found a reliable extension builder in Rickmansworth. C T Edwards is a friendly and reliable company based in Rickmansworth who co...
"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 Rickmansworth. 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
ALG Renovations
ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...
"Single storey extension" - WATFORD, job posted 26/05/25
Chrysalis
Chrysalis are here to help customers who need an Extension Builder in Rickmansworth. We offer a competitive rate to complete all your extension bui...
"Hip to gable loft conversion" - WD24, job posted 28/01/25
PERFORMA CONSTRUCTION LIMITED
Relax... you have found a reliable extension builder in Rickmansworth. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in Ri...
"Loft conversion - (2 Rooms and a shower) Total Area - 40 square metres)" - WD19, job posted 29/12/24
Volton Building & Paving
Volton Building & Paving is a trusted extension builder serving customers in Rickmansworth and the surrounding area. Contact us to today to get a c...
"Loft conversion" - WD17, job posted 27/12/24
HAMPTON CONSTRUCTION LTD
HAMPTON CONSTRUCTION LTD are here to help customers who need an Extension Builder in Rickmansworth. We offer a competitive rate to complete all you...
"Two storey extension" - WATFORD, job posted 16/12/24
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...
"Side return extension" - WD17, job posted 05/03/24
Mamma V's Caribbean and English Cuisine
UK Food
Need to find an Extension Builder near you for all your extension buildering work?
Mamma V's Caribbean and English Cuisine provides a local...
Sheppard Construction Ltd
Sheppard Construction Ltd is a trusted extension builder serving customers in Rickmansworth and the surrounding area. Contact us to today to get a ...
J Pellow & Son Ltd
J Pellow & Son Ltd are here to help customers who need an Extension Builder in Rickmansworth. We offer a competitive rate to complete all your exte...
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 ...
A D C BUILDERS
Trusted and professional extension builder in Rickmansworth. Experienced in all extension buildering work and keeping within budget and on quote. A...
Be Illuminated
Be Illuminated are here to help customers who need an Extension Builder in Rickmansworth. We offer a competitive rate to complete all your extensio...
Compare Rickmansworth extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near Gerrards Cross | £43 | £283 |
| Extension Builders near Bushey | £43 | £278 |
| Extension Builders near Hillingdon | £43 | £276 |
| Extension Builders near Dacorum | £42 | £275 |
| Extension Builders near Chesham | £42 | £277 |
| Extension Builders near Hemel Hempstead | £43 | £276 |
| Extension Builders near Harrow | £43 | £270 |
| Extension Builders near Borehamwood | £42 | £271 |
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 - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
People in Rickmansworth searching for a Extension Builder also viewed...
The Largest Database of UK Trade Rates
At HaMuch we know what tradespeople charge because we have the largest database of rates anywhere in the UK. If you want quotes for jobs at the right price for you, post your jobs with HaMuch and get your home improvements kickstarted straight away!