From £35,070
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £43,080
J D Plant Groundwork is a well established construction company providing value-added engineering, construction and service skills to customers for...
From £34,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £38,850
At AC Creative we share the excitement with our clients in redesigning, changing and renovating complete spaces. Our reconfiguration work means tha...
From £36,870
Need to find an Extension Builder near you for all your extension buildering work?
A DAVIES CONSTRUCTION provides a local, trusted extensio...
From £37,770
I have been renovating sliding sash windows for over 20 years for a leading nationwide company. I was a team leader overseeing jobs from 1 bed apar...
From £35,610
Relax... you have found a reliable extension builder in GL14. M CHAPMAN BUILDER is a friendly and reliable company based in GL14 who consider no jo...
From £32,460
Small company .
friendly reliable service
Excellent quality of workmanship
...
From £35,700
MI Works Cotswolds Ltd are here to help customers who need an Extension Builder in GL14. We offer a competitive rate to complete all your extension...
From £34,800
ian rice building ltd are a friendly reliable business, for all your building needs.
we undertake all works from small repairs to large ...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in GL14 by posting a job with HaMuch and we will send it to extension builders in GL14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Quedgeley | £32 | £247 |
| Convert A Basement near Gloucester | £31 | £236 |
| Convert A Basement near Stroud | £33 | £249 |
| Convert A Basement near Cheltenham | £32 | £250 |
| Convert A Basement near Hereford | £30 | £228 |
| Convert A Basement near Bradley Stoke | £34 | £259 |
| Convert A Basement near Yate | £34 | £263 |
| Convert A Basement near South Gloucestershire | £34 | £260 |
| Convert A Basement near Great Malvern | £31 | £244 |
| Convert A Basement near Kingswood | £34 | £257 |
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.

Underpin a building - £17,405

Two storey extension - £87,857

Build a timber frame extension - £25,905

Build a swimming pool - £80,905

Single storey extension - £53,096

Side return extension - £40,429

Install an RSJ - £2,105

Outbuilding - £9,905

Build a Mansard loft conversion - £51,905

Loft conversion - £32,858

Build a kitchen extension - £41,905

Hip to gable loft conversion - £41,905

Granny annexe - £86,905

Garden office - £9,905

Convert a Garage - £15,905

Garage - £18,405

Build a flat roof extension - £21,905

Build a dormer loft conversion - £41,905

Concrete foundations - £6,155

Convert a bungalow loft - £28,905

Convert a basement - £36,429