Build a mansard loft conversion in Horton from £52,048

Mansard loft conversions are ideal if you want to maximise the space in your home. Extending your roof out into a flat roof with an almost vertical wall, they almost always require planning permission but can add significant value to your home. To see prices and availability for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL Horton extension builders

Compare quotes

Compare quotes

Available extension builders in Horton reply

Save Money

Save Money

Select your affordable Horton extension builder

Post your job

From £52,800

Rates updated Oct 26
Get quotes

GDW Construction

Relax... you have found a reliable extension builder in Horton. GDW Construction is a friendly and reliable company based in Horton who consider no...

From £52,800

Rates updated Oct 26
Get quotes

OAK HOUSE BESPOKE BUILDERS

Need to find an Extension Builder near you for all your extension buildering work?

OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...

From £52,176

Rates verified Oct 26
Get quotes

Self employed

Hamza Elezi

Hight quality of jobs

From £52,048

Rates verified Sep 26
Get quotes

J&J Building Solutions

Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Horton. No obligation free quot...

From £53,200

Get quotes

Banga Decoration

Sebastian Banga

Member since August 2025

Banga decoration. Is Base in south London  for number of year  Banga decoration is a small  company. Wich provide an excellent job to the custom...

From £52,160

Last active Nov 26
Get quotes

AVIB City Construction Ltd

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £52,192

Last active Nov 26
Get quotes

Gb construction

Gani Bush

Gb construction are here to help customers who need an Extension Builder in Horton. We offer a competitive rate to complete all your extension bui...

From £52,408

Last active Nov 26
Get quotes

Brick House Builders Ltd

Jatinder Kahlon

Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...

From £52,208

Last active Oct 26
Get quotes

Building Vision London Ltd

Building Vision London Ltd is a trusted extension builder serving customers in Horton and the surrounding area. Contact us to today to get a compet...

From £52,416

Last active Oct 26
Get quotes

TFC Construction

Trusted and professional extension builder in Horton. Experienced in all extension buildering work and keeping within budget and on quote. TFC Cons...

Mansard loft conversion cost in Horton

Estimates for build a mansard loft conversion near Horton

Mansard loft conversions range from the cheapest installation of £52,048 (J&J Building Solutions based in SW16) to the dearest of around £53,200 (Banga Decoration based in CR7).

While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.

Get quotes to install a mansard loft conversion in Horton by posting a job with HaMuch and we'll send it to extension builders in Horton. 


Estimates for common extension builder jobs in Horton;

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.

More extensions & conversions cost guides...