Build a mansard loft conversion in London from £51,920

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.

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From £51,920

Rates updated Oct 26
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Lp Townsend Brickwork

Lee Townsend

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

Lp Townsend Brickwork provides a local, trusted extensio...

From £52,800

Rates updated Oct 26
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GDW Construction

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

From £52,800

Rates updated Oct 26
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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 £52,120

Rates verified Oct 26
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SDS Constructions

Sean Smithers

Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...

From £53,232

Rates verified Oct 26
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Optimus Build Solutions

Vasile Boghean

Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...

From £52,400

Rates verified Oct 26
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SC General Builders Ltd

SC General Builders Ltd are here to help customers who need an Extension Builder in London. We offer a competitive rate to complete all your extens...

From £52,512

Rates verified Oct 26
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Mandala Building Services

Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...

From £52,176

Rates verified Oct 26
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Self employed

Hamza Elezi

Hight quality of jobs

From £52,048

Rates verified Sep 26
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J&J Building Solutions

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

From £52,192

Last active Nov 26
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Gb construction

Gani Bush

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

Mansard loft conversion cost in London

Estimates for build a mansard loft conversion near London

Mansard loft conversions range from the cheapest installation of £51,920 (Lp Townsend Brickwork based in SL2) to the dearest of around £53,232 (Optimus Build Solutions based in Rm1).

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 London by posting a job with HaMuch and we'll send it to extension builders in London. 


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Location in UKHourly RateDaily Rate
Build A Mansard Loft Conversion near Belgravia£44£276
Build A Mansard Loft Conversion near Lambeth£44£275
Build A Mansard Loft Conversion near Camden Town£44£277
Build A Mansard Loft Conversion near Chelsea£44£276
Build A Mansard Loft Conversion near Islington£45£276
Build A Mansard Loft Conversion near Camberwell£44£276
Build A Mansard Loft Conversion near Kensington£44£277
Build A Mansard Loft Conversion near Bethnal Green£45£276
Build A Mansard Loft Conversion near Hackney£45£278
Build A Mansard Loft Conversion near Fulham£44£278
Build A Mansard Loft Conversion near Hammersmith£44£279
Build A Mansard Loft Conversion near Earlsfield£44£277
Build A Mansard Loft Conversion near Greenwich£44£268
Build A Mansard Loft Conversion near Muswell Hill£44£273
Build A Mansard Loft Conversion near Lewisham£43£268
Build A Mansard Loft Conversion near Wimbledon£43£273
Build A Mansard Loft Conversion near Plaistow£42£268
Build A Mansard Loft Conversion near Brent Cross£43£273
Build A Mansard Loft Conversion near Walthamstow£45£278
Build A Mansard Loft Conversion near Merton£43£272
Build A Mansard Loft Conversion near Ealing£44£275
Build A Mansard Loft Conversion near Redbridge£41£265
Build A Mansard Loft Conversion near Bromley£43£268
Build A Mansard Loft Conversion near Croydon£42£267
Build A Mansard Loft Conversion near Barking£43£261
Build A Mansard Loft Conversion near Kingston Upon Thames£43£271
Build A Mansard Loft Conversion near Sutton£43£274
Build A Mansard Loft Conversion near High Barnet£43£272
Build A Mansard Loft Conversion near Harrow£43£270
Build A Mansard Loft Conversion near Hounslow£43£272
Build A Mansard Loft Conversion near Richmond Upon Thames£43£274
Build A Mansard Loft Conversion near Bexley£42£265
Build A Mansard Loft Conversion near Hillingdon£43£276
Build A Mansard Loft Conversion near Romford£45£274

Estimates for common extension builder jobs in London;

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...