How HaMuch saves you money
Post your job for free
We send your job to ALL Horwich extension builders
Compare quotes
Available extension builders in Horwich reply
Save Money
Select your affordable Horwich extension builder
Post your job
Jc Properties
Relax... you have found a reliable extension builder in Horwich. Jc Properties is a friendly and reliable company based in Horwich who consider no ...
"Loft conversion or dormer" - BL3, job posted 28/07/26
NJD Joinery
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
"Dormer loft conversion" - BL3, job posted 05/07/26
JCR Construction
Trusted and professional extension builder in Horwich. Experienced in all extension buildering work and keeping within budget and on quote. JCR Con...
"Dormer loft conversion" - BOLTON, job posted 27/04/26
SPL Building Services
Stephen Lowe
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - BL3, job posted 27/04/26
David Anderson Builders
Relax... you have found a reliable extension builder in Horwich. David Anderson Builders is a friendly and reliable company based in Horwich who co...
"Loft conversion" - BOLTON, job posted 16/04/26
Wallplas
Wallplas is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes for your work.
"Underpinning" - WIGAN, job posted 26/02/26
WWS Garage Doors & Shutters
WWS Garage Doors & Shutters is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a comp...
"RSJ installation" - BOLTON, job posted 23/11/25
Fishers Building & Paving Ltd
Fishers Building & Paving Ltd is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes...
"Loft conversion" - BOLTON, job posted 27/10/25
EBI BUILDING RENOVATIONS
EBI BUILDING RENOVATIONS is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a competi...
"Loft extension with dormer" - BL1, job posted 17/09/25
BURGHWOOD CONSTRUCTION LTD
Experienced extension builder ready to quote for your work. BURGHWOOD CONSTRUCTION LTD is the best extension builder in Horwich. No obligation free...
"RSJ installation" - BOLTON, job posted 17/09/25
QUAYSTONE BUILDING LTD
QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in Horwich. We offer a competitive rate to complete all your extens...
"Two storey extension" - BOLTON, job posted 24/04/25
CB BUILDING & JOINERY LTD
Need an Extension Builder in Horwich? CB BUILDING & JOINERY LTD has been helping local clients (20 mile radius) with their extension buildering job...
"Two storey extension" - BOLTON, job posted 06/02/25
BRENCOLL BUILDING
BRENCOLL BUILDING is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes for your wo...
"Loft conversion" - BOLTON, job posted 16/12/24
Bolton Builders
Bolton Builders is an established and experienced local extension builder in Horwich. Please contact us for a free, no obligation quote and competi...
"Loft dormer conversion" - BOLTON, job posted 30/11/24
Mike's Home Improvements
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - BOLTON, job posted 22/07/24
PETER BALDWIN BUILDERS
PETER BALDWIN BUILDERS is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes for yo...
"Basement conversion" - BOLTON, job posted 26/03/24
L D Debnam Building Services
L D Debnam Building Services is an established and experienced local extension builder in Horwich. Please contact us for a free, no obligation quot...
"Looking to extend the home 3 meters out and just under 9 meters width. Knock down a wall between kitchen and room to make it a large open plan kitchen dining area." - BOLTON, job posted 10/03/24
HAROLDS CORP
HAROLD ROBINSON
HAROLDS CORP is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a competitive quote f...
"Loft conversion" - BOLTON, job posted 07/02/24
A AND S SCHOFIELD BLDRS LTD
Simon Schofield
A AND S SCHOFIELD BLDRS LTD is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes f...
"Loft skylight conversion" - BL3, job posted 07/02/24
First Rate Home Builders
Come Home To Quality. First Rate Home Builders delivers quality construction in a professional manner. Servicing Bolton and the surrounding areas o...
"Loft conversion" - BOLTON, job posted 09/01/24
Compare Horwich extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Horwich | £30 | £219 |
| Extension Builders near Westhoughton | £31 | £222 |
| Extension Builders near Hindley | £30 | £219 |
| Extension Builders near Bolton | £31 | £219 |
| Extension Builders near Atherton | £31 | £223 |
| Extension Builders near Wigan | £30 | £220 |
| Extension Builders near Chorley | £30 | £221 |
| Extension Builders near Little Hulton | £31 | £220 |
| Extension Builders near Farnworth | £30 | £219 |
| Extension Builders near Leigh | £31 | £224 |
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 - £25,776

Garden office - £9,776

Granny annexe - £86,776

Build a flat roof extension - £21,776

Convert a Garage - £15,776

Hip to gable loft conversion - £41,776

Convert a bungalow loft - £28,776

Build a dormer loft conversion - £41,776

Build a swimming pool - £80,776

Build a Mansard loft conversion - £51,776

Concrete foundations - £6,026

Underpin a building - £17,276

Two storey extension - £87,664

Convert a basement - £34,980

Side return extension - £38,980

Loft conversion - £31,650

Garage - £18,276

Single storey extension - £50,520

Outbuilding - £9,776

Install an RSJ - £1,976

Build a kitchen extension - £41,776
People in Horwich 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!