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Prestige Build Services LTD
Brian
Swindon, SN5
Prestige Build Services LTD is a trusted extension builder serving customers in Swindon and the surrounding area. Contact us to today to get a comp...
"Underpin a building" - SN3, job posted 05/09/26
RPM Services
Michael Walklett
Swindon, SN4
All of our business is by recommendation. We have never advertised. We have been trading since 2001 and have our regular customers we have done var...
"Main contractor required for the refurbishment of Laboratories 258 & 270 at the British Antarctic Survey, Cambridge. Works include internal strip-out, building alterations, partitioning, ceilings, flooring, decorating, mechanical and electrical installations, laboratory fit-out, fire stopping,..." - SN2, job posted 28/07/26
MJ solutions
Jaroslaw Garbacz
Swindon, SN25
MJ solutions is an established and experienced local extension builder in Swindon. Please contact us for a free, no obligation quote and competiti...
"Single storey extension" - SN2, job posted 17/07/26
First Call Direct
Tom Dunn
Swindon, SN5
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Two storey extension" - SN1, job posted 27/01/26
MR HOWELL
John Howell
Swindon, SN3
MR HOWELL are here to help customers who need an Extension Builder in Swindon. We offer a competitive rate to complete all your extension builderin...
"Two storey extension" - SN2, job posted 27/01/26
A S A BUILDING SERVICES LTD
Need to find an Extension Builder near you for all your extension buildering work?
A S A BUILDING SERVICES LTD provides a local, trusted ex...
"Garage conversion" - SWINDON, job posted 10/01/26
A D BUILDING SERVICES T/A
A D BUILDING SERVICES T/A is a trusted extension builder serving customers in Swindon and the surrounding area. Contact us to today to get a compet...
"Single storey extension" - SWINDON, job posted 24/10/25
JWSERVICESCOMPANY LTD
We have a skilled and dedicated team of professional tradesmen to carry out all your requirements. Whether you are looking to build, extend or upgr...
"Loft conversion" - SWINDON, job posted 06/10/25
QUALITY BUILDERS
Need to find an Extension Builder near you for all your extension buildering work?
QUALITY BUILDERS provides a local, trusted extension bui...
"Dormer loft conversion" - SN26, job posted 05/07/25
£20/hr
£182/day
Watts Builders
Bob Watts
Swindon, SN25
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - SWINDON, job posted 16/02/25
£28/hr
£212/day
CORE CONSTRUCTION
Swindon, SN1
CORE CONSTRUCTION is an established extension buildering business in Swindon. We come highly recommended and provide competitive quotes for your wo...
"Loft conversion for 48 meter square house" - SN25, job posted 09/02/25
£31/hr
£236/day
ABC Builders
ABC Builders is a trusted extension builder serving customers in Swindon and the surrounding area. Contact us to today to get a competitive quote f...
"RSJ installation" - SN2, job posted 19/11/24
£29/hr
£218/day
Highworth Felt Roofing Limited
Swindon, SN3
Relax... you have found a reliable extension builder in Swindon. Highworth Felt Roofing Limited is a friendly and reliable company based in Swindon...
"Loft conversion" - SWINDON, job posted 18/08/24
£31/hr
£234/day
Craig Donnelly Building Contractors Ltd
Swindon, SN1
Craig Donnelly Building Contractors Ltd is a trusted extension builder serving customers in Swindon and the surrounding area. Contact us to today t...
"Side return extension" - SN3, job posted 16/06/24
£29/hr
£216/day
SWIFT DESIGN & BUILD LTD
SWIFT DESIGN & BUILD LTD are here to help customers who need an Extension Builder in Swindon. We offer a competitive rate to complete all your exte...
"Loft conversion" - SWINDON, job posted 12/06/24
£35/hr
£268/day
BROWNS TOTAL DESIGN & BUILD LTD
BROWNS TOTAL DESIGN & BUILD LTD is an established and experienced local extension builder in Swindon. Please contact us for a free, no obligation q...
"Side return extension" - SN3, job posted 19/05/24
£36/hr
£269/day
DP BUILDING
DP BUILDING is an established extension buildering business in Swindon. We come highly recommended and provide competitive quotes for your work.
"Loft conversion" - SWINDON, job posted 21/04/24
Dacol Services
Darren Hembling
Swindon, SN2
Dacol Services is Swindons number 1 property maintenance service.
Trusted by many letting agents, landlords, homeowners, and hoteliers.
"Fantastic service from start to finish. Great company, always fair" - SWINDON,reviewed 29/09/17, MARIE
£29/hr
£228/day
R & R BUILDERS
Swindon, SN2
R & R BUILDERS is an established and experienced local extension builder in Swindon. Please contact us for a free, no obligation quote and competit...
"Side return extension" - SN3, job posted 12/03/24
£31/hr
£240/day
LOGIC BUILDERS
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion end terrace house. Lift gable end on side, large dormer to the back Velex window to the front. Ensuite, and stairs from box room front to middle so head Hight already there." - SWINDON, job posted 08/02/24
Compare Swindon extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Swindon | £31 | £238 |
| Extension Builders near Stratton St Margaret | £32 | £238 |
| Extension Builders near Thamesdown | £31 | £239 |
| Extension Builders near Calne | £29 | £225 |
| Extension Builders near Vale of White Horse | £36 | £271 |
| Extension Builders near North Wiltshire | £32 | £242 |
| Extension Builders near West Wiltshire | £32 | £242 |
| Extension Builders near Devizes | £32 | £242 |
| Extension Builders near Chippenham | £34 | £258 |
| Extension Builders near Witney | £32 | £244 |
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 - £25,920
Garden office - £9,920
Granny annexe - £86,920
Build a flat roof extension - £21,920
Convert a Garage - £15,920
Hip to gable loft conversion - £41,920
Convert a bungalow loft - £28,920
Build a dormer loft conversion - £41,920
Build a swimming pool - £80,920
Build a Mansard loft conversion - £51,920
Concrete foundations - £6,170
Underpin a building - £17,420
Two storey extension - £87,880
Convert a basement - £36,600
Side return extension - £40,600
Loft conversion - £33,000
Garage - £18,420
Single storey extension - £53,400
Outbuilding - £9,920
Install an RSJ - £2,120
Build a kitchen extension - £41,920
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