From £33,375
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £36,750
Nine Elms, SW8
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in SW8. No obligation free qu...
From £36,150
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £35,625
Need an Extension Builder in SW8? Build Team has been helping local clients (5 mile radius) with their extension buildering jobs for many years. Ge...
From £32,700
Experienced extension builder ready to quote for your work. Sturdy Evolution Developments Ltd is the best extension builder in SW8. No obligation f...
From £33,675
Need to find an Extension Builder near you for all your extension buildering work?
BUILD TEAM provides a local, trusted extension builderin...
From £38,025
Our building services company Inside Out Property Refurbishment Ltd have ten years’ experience and have been helping customers in London and the ...
From £36,675
Experienced extension builder ready to quote for your work. Gustav Building Services is the best extension builder in SW8. No obligation free quote...
From £34,125
I am Gustav, I run a team of professionals who offer competitive prices, design guide, materials supply, professional advice and project management...

Comparing extension builders estimates for Loft conversion 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 of a loft conversion in SW8 by posting your job to extension builders in SW8.
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 - £17,690

Two storey extension - £88,284

Build a timber frame extension - £26,190

Build a swimming pool - £81,190

Single storey extension - £58,792

Side return extension - £43,633

Install an RSJ - £2,390

Outbuilding - £10,190

Build a Mansard loft conversion - £52,190

Loft conversion - £35,528

Build a kitchen extension - £42,190

Hip to gable loft conversion - £42,190

Granny annexe - £87,190

Garden office - £10,190

Convert a Garage - £16,190

Garage - £18,690

Build a flat roof extension - £22,190

Build a dormer loft conversion - £42,190

Concrete foundations - £6,440

Convert a bungalow loft - £29,190

Convert a basement - £39,633