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Aquatec Builder
Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion or dormer" - BL3, job posted 28/07/26
MK Builders
Need an Extension Builder in Ainsworth? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
"Dormer loft conversion" - BL3, job posted 05/07/26
T K O Kitchens & Construction
Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
"Suppliers are invited to express interest in a tender opportunity for the supply of building construction materials to support public sector projects within the Bury area. Requirements may include construction products, aggregates, timber, concrete, building supplies, and related materials...." - BL9, job posted 09/06/26
SMH Build & Renovate
SMH Build & Renovate is an established extension buildering business in Ainsworth. We come highly recommended and provide competitive quotes for yo...
"Dormer loft conversion" - BOLTON, job posted 27/04/26
Amak Construction
Amak Construction is an established and experienced local extension builder in Ainsworth. Please contact us for a free, no obligation quote and com...
"Loft conversion" - BL3, job posted 27/04/26
Advanced Builders & Roofers
Experienced extension builder ready to quote for your work. Advanced Builders & Roofers is the best extension builder in Ainsworth. No obligation f...
"Loft conversion" - BOLTON, job posted 16/04/26
DC Contractors
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
"Kitchen extension" - BL9, job posted 03/03/26
David Anderson Builders
Relax... you have found a reliable extension builder in Ainsworth. David Anderson Builders is a friendly and reliable company based in Ainsworth wh...
"Loft conversion" - BL4, job posted 16/02/26
ESBP Specialists Ltd
Jonathan
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
"RSJ installation" - BOLTON, job posted 23/11/25
J & C Barker (Builders) Limited
Need to find an Extension Builder near you for all your extension buildering work?
J & C Barker (Builders) Limited provides a local, truste...
"Loft conversion" - BOLTON, job posted 27/10/25
Wallplas
Ainsworth, BL2
Wallplas is an established extension buildering business in Ainsworth. We come highly recommended and provide competitive quotes for your work.
..."Loft extension with dormer" - BL1, job posted 17/09/25
WWS Garage Doors & Shutters
Ainsworth, BL2
WWS Garage Doors & Shutters is a trusted extension builder serving customers in Ainsworth and the surrounding area. Contact us to today to get a co...
"RSJ installation" - BOLTON, job posted 17/09/25
Fishers Building & Paving Ltd
Fishers Building & Paving Ltd is an established extension buildering business in Ainsworth. We come highly recommended and provide competitive quot...
"Convert garages to 3 or 2 bedroom ensuite semi detached house" - BL4, job posted 13/07/25
RC Building Services Ltd
Here at RC Building Services Ltd we pride ourselves on providing reliable, excellent quality and competitively priced building services. Our priori...
"Two storey extension" - BOLTON, job posted 24/04/25
QUAYSTONE BUILDING LTD
Ainsworth, BL2
QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in Ainsworth. We offer a competitive rate to complete all your exte...
"Two storey extension" - BOLTON, job posted 06/02/25
CB BUILDING & JOINERY LTD
Need an Extension Builder in Ainsworth? CB BUILDING & JOINERY LTD has been helping local clients (20 mile radius) with their extension buildering j...
"Loft conversion" - BOLTON, job posted 16/12/24
BRENCOLL BUILDING
BRENCOLL BUILDING is an established extension buildering business in Ainsworth. We come highly recommended and provide competitive quotes for your ...
"Loft dormer conversion" - BOLTON, job posted 30/11/24
Bolton Builders
Ainsworth, BL2
Bolton Builders is an established and experienced local extension builder in Ainsworth. Please contact us for a free, no obligation quote and compe...
"Loft conversion" - BOLTON, job posted 22/07/24
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...
"Dorma loft conversion on a 2 bed 68.6m2 ( 739sqft) semi detached bungalow would ideally like two bedrooms and a bathroom In the conversion" - BL7, job posted 22/05/24
Unity Building Services
Daniel
Experienced extension builder ready to quote for your work. Unity Building Services is the best extension builder in Ainsworth. No obligation free ...
"Basement conversion" - BOLTON, job posted 26/03/24
Compare Ainsworth extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Bolton | £31 | £219 |
| Extension Builders near Farnworth | £30 | £219 |
| Extension Builders near Radcliffe | £30 | £220 |
| Extension Builders near Little Hulton | £31 | £220 |
| Extension Builders near Bury | £30 | £219 |
| Extension Builders near Whitefield | £31 | £229 |
| Extension Builders near Westhoughton | £31 | £222 |
| Extension Builders near Swinton | £32 | £234 |
| Extension Builders near Atherton | £31 | £223 |
| Extension Builders near Horwich | £30 | £219 |
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 - £25,744
Garden office - £9,744
Granny annexe - £86,744
Build a flat roof extension - £21,744
Convert a Garage - £15,744
Hip to gable loft conversion - £41,744
Convert a bungalow loft - £28,744
Build a dormer loft conversion - £41,744
Build a swimming pool - £80,744
Build a Mansard loft conversion - £51,744
Concrete foundations - £5,994
Underpin a building - £17,244
Two storey extension - £87,616
Convert a basement - £34,620
Side return extension - £38,620
Loft conversion - £31,350
Garage - £18,244
Single storey extension - £49,880
Outbuilding - £9,744
Install an RSJ - £1,944
Build a kitchen extension - £41,744
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