Cost to build a mansard loft conversion in SM4

Mansard loft conversion cost in SM4

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.

Mansard loft conversions range from the cheapest installation of £51,440 (Porters Development Ltd based in CR4) to the dearest of around £52,000 (Flanagan Construction Ltd based in SM4).

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 SM4 by posting a job with HaMuch and we'll send it to extension builders in SM4.

Estimates for mansard loft conversion near SM4

How much does a mansard loft conversion cost?
What is a mansard loft conversion?
Factors that affect the cost of a mansard loft conversion
Additional costs to consider with a mansard loft conversion
How long does a mansard loft conversion take?
Do I need planning permission for a mansard roof?
What is the difference between a dormer and a mansard?

	Job	Estimate
	Underpinning a house	£17,382
	Build a two storey extension	£87,823
	Build a timber frame extension	£25,882
	Install a swimming pool	£80,882
	Cost to build a single storey extension	£52,645
	Cost to build a side return extension	£40,175
	Install an RSJ	£2,082
	Build an outbuilding	£9,882
	Build a mansard loft conversion	£51,882
	Cost of a loft conversion	£32,646
	Build a kitchen extension	£41,882
	Build a hip to gable loft conversion	£41,882
	Build a granny annexe	£86,882
	Build a garden office	£9,882
	Convert a garage	£15,882
	Build a new garage	£18,382
	Build a flat roof extension	£21,882
	Build a dormer loft conversion	£41,882
	Lay a concrete foundation	£6,132
	Convert a bungalow loft	£28,882
	Basement conversion cost	£36,175

Business name	Mansard loft conversion cost
NCN Projects, London, SM4	£51,816
ConSys Solutions Ltd., Surrey, SM4	£51,936
M Hennessy Quality Roofing, Morden, SM4	£51,856
Bagnall Brickwork, Surrey, SM4	£51,936
SEDGWICK BUILDING SERVICES LLP, Morden, SM4	£51,856
Multi Hands Services Limited, Sutton, SM1	£51,888
Flanagan Construction Ltd, Morden, SM4	£52,000
PT DECORATIONS LTD, Morden, SM4	£51,888
EcoHomeLondonLtd, Greater London, SM4	£51,936
Home Shape Ltd, Surrey, SM1	£51,936
Bradley Building Services Ltd, Surrey, SM1	£51,936
SOUTH SIDE BUILDERS, Merton, SW20	£51,856
Origin Construction Limited, London, Surrey, SM4	£51,840
Origin Construction Limited, Surrey, SM4	£51,936
Arthur’s Building Service, London, SM5	£51,936
TRITON BUILDING RESTN LTD, Wimbledon, SW19	£51,856
CJS Roofing, Building & Drainage, Surrey, SM5	£51,936
CJS Roofing, Building & Drainage, 15 Tintern Road, Carshalton, Surrey, SM5	£51,816
Quality Builders, Mitcham, CR4	£51,936
Porters Development Ltd, London, CR4	£51,440
MATCO Design & Build, Surrey, CR4	£51,944
Edlin Homes, London, Cr4	£51,944
ADF BUILDING, Merton, CR4	£51,856
Cawston & Dee, London, SW19	£51,936
Thompson McCabe, Dalton House, 60 Windsor Avenue, London, Greater London, SW19	£51,840

Build a mansard loft conversion in SM4 from £51,440

Mansard loft conversion cost in SM4

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Mansard loft conversion cost in SM4

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