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Mobile Services
Need to find an Extension Builder near you for all your extension buildering work?
Mobile Services provides a local, trusted extension buil...
"Dormer loft conversion" - EASTLEIGH, job posted 11/04/26
Steve Lovett Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Two storey and side extension" - SO16, job posted 26/01/26
ROB DINE CONSTRUCTION
ROB DINE CONSTRUCTION is an established and experienced local extension builder in SO14. Please contact us for a free, no obligation quote and comp...
"Underpinning" - SOUTHAMPTON, job posted 18/10/25
Andy's Building Services
Trusted and professional extension builder in SO14. Experienced in all extension buildering work and keeping within budget and on quote. Andy's Bui...
"Build a dormer loft conversion" - SO17, job posted 10/08/25
AAConcepts
Arshad Ali
We are a Design and Build company based in Hampshire. Proud of our roots, we try to be the very best in the way we go about our business. Friendly...
"Cost of a loft conversion" - SO17, job posted 10/08/25
Claytons Building and Roofing
Claytons Building and Roofing are here to help customers who need an Extension Builder in SO14. We offer a competitive rate to complete all your ex...
"Two storey extension 3.6 x 8 x2" - SOUTHAMPTON, job posted 20/06/25
T & S Construction
Need an Extension Builder in SO14? T & S Construction has been helping local clients (20 mile radius) with their extension buildering jobs for many...
"Garden office" - SOUTHAMPT, job posted 21/01/25
Shay building LTD
Shy Browm
Experienced extension builder ready to quote for your work. Shay building LTD is the best extension builder in SO14. No obligation free quotes and ...
"Kitchen extension" - SOUTHAMPTON, job posted 19/10/24
£33/hr
£330/day
LED Electrical Services
Scott Shrimpton
Need an Extension Builder in SO14? LED Electrical Services has been helping local clients (20 mile radius) with their extension buildering jobs for...
"Single storey extension" - SO15, job posted 09/03/24
£36/hr
£246/day
LG PLANNING LIMITED
Trusted and professional extension builder in SO14. Experienced in all extension buildering work and keeping within budget and on quote. LG PLANNIN...
"Single storey extension, bricks and roof only" - SO31, job posted 04/02/24
£34/hr
£241/day
1st Oak Building Preservation & Maintenance
Relax... you have found a reliable extension builder in SO14. 1st Oak Building Preservation & Maintenance is a friendly and reliable company based ...
"Side return extension" - EASTLEIGH, job posted 18/11/23
£34/hr
£240/day
DSH Roofing
Need to find an Extension Builder near you for all your extension buildering work?
DSH Roofing provides a local, trusted extension builderi...
"Single storey extension" - SOUTHAMPTON, job posted 17/10/23
£35/hr
£241/day
Loki Projects & Development
Loki Projects & Development specialises in design, construction & project management.
£30/hr
£216/day
Hestia Trustins LTD
Hestia Trustins LTD are here to help customers who need an Extension Builder in SO14. We offer a competitive rate to complete all your extension bu...
£33/hr
£238/day
Dell Developments Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Dell Developments Ltd provides a local, trusted extensio...
£34/hr
£238/day
Pro Home Improve
We provide the ideal solution for awkward or unusual shaped windows as it can be made to perfectly fit almost any form, from arched to hexagonal or...
£35/hr
£238/day
KT Carpentry & Building Services
Our building services company KT Carpentry & Building Services has been helping customers in Southampton, Winchester, Brockenhurst and Portsmouth b...
Compare SO14 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Southampton | £34 | £243 |
| Extension Builders near Hedge End | £34 | £244 |
| Extension Builders near Eastleigh | £34 | £244 |
| Extension Builders near Totton | £34 | £243 |
| Extension Builders near Locks Heath | £33 | £240 |
| Extension Builders near Chandler's Ford | £34 | £245 |
| Extension Builders near Romsey | £32 | £230 |
| Extension Builders near Fareham | £35 | £250 |
| Extension Builders near New Forest | £32 | £245 |
| Extension Builders near Lee-on-the-Solent | £35 | £249 |
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 - £26,000
Garden office - £10,000
Granny annexe - £87,000
Build a flat roof extension - £22,000
Convert a Garage - £16,000
Hip to gable loft conversion - £42,000
Convert a bungalow loft - £29,000
Build a dormer loft conversion - £42,000
Build a swimming pool - £81,000
Build a Mansard loft conversion - £52,000
Concrete foundations - £6,250
Underpin a building - £17,500
Two storey extension - £88,000
Convert a basement - £37,500
Side return extension - £41,500
Loft conversion - £33,750
Garage - £18,500
Single storey extension - £55,000
Outbuilding - £10,000
Install an RSJ - £2,200
Build a kitchen extension - £42,000
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