Cost to build a mansard loft conversion in SE20

Build a mansard loft conversion in SE20 from £51,600

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Mansard loft conversion cost in SE20
Mansard loft conversion cost in SE20
Estimates for common extension builder jobs in SE20;

Mansard loft conversion cost in SE20

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 £51,600 (Livo builders based in Br3) to the dearest of around £51,944 (Shapti Construction based in SE25).

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 SE20 by posting a job with HaMuch and we'll send it to extension builders in SE20.

Estimates for mansard loft conversion near SE20

Estimates for common extension builder jobs in SE20;

Rates for other SE20 trades

Mansard loft conversion cost in SE20

Estimate Mansard loft conversion cost in SE20 based on hourly/daily rate (excluding VAT or callout charges)
Business name	Mansard loft conversion cost
Ruspi Ltd, London, SE20	£51,936
Smartroofingbuildingcontractorsltd, 00 Royston road, London, Greater London, Se20	£51,840
Glenn Miller Builders Limited, 141 Mackenzie Road, Beckenham, Kent, BR3	£51,832
Pure building, Kent, BR3	£51,936
CROMARTY CONSTRUCTION, Beckenham, BR3	£51,856
Skim King, South Norwood, SE25	£51,880
Wisebirds Builders, London, SE25	£51,888
LivingFunky, Stambourne Way, London, Greater London, SE19	£51,840
Hatfield-Marcus, London, Greater London, BR3	£51,840
Livo builders , London, Br3	£51,600
Mesoni Ltd, London, Greater London, SE19	£51,848
Shapti Construction, Greater London, SE25	£51,944
Southwood (UK) Roofing Limited, 86 South Norwood, London, Greater London, SE25	£51,832
South London Conversions Ltd., London, SE19	£51,848
Scribe London Lofts Ltd, London, SE25	£51,880
SDS BUILD SERV LIMITED, South Norwood, SE25	£51,864
Ressi, High Street Centre, 137?139 High Street, London, Greater London, BR3	£51,840
Placebell, London, Greater London, BR3	£51,840
Universal Plastering Ltd, Greater London, SE19	£51,944
Bhagtana & Co Construction, Croydon, CR0	£51,880
Pure Building & Maintenance Services Limited, Surrey, SE26	£51,944
Albion Roofing Solutions, 2 Dacres Road, Forest Hill, London, Grea, SE23	£51,840
Diy (London) Doctors Ltd, South Norwood, SE25	£51,880
SWS BUILDERS, South Norwood, SE25	£51,856
Aviemore Building Contractors Ltd, Beckenham, BR3	£51,880

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	Job	Estimate
	Underpinning a house	£17,363
	Build a two storey extension	£87,794
	Build a timber frame extension	£25,863
	Install a swimming pool	£80,863
	Cost to build a single storey extension	£52,254
	Cost to build a side return extension	£39,956
	Install an RSJ	£2,063
	Build an outbuilding	£9,863
	Build a mansard loft conversion	£51,863
	Cost of a loft conversion	£32,463
	Build a kitchen extension	£41,863
	Build a hip to gable loft conversion	£41,863
	Build a granny annexe	£86,863
	Build a garden office	£9,863
	Convert a garage	£15,863
	Build a new garage	£18,363
	Build a flat roof extension	£21,863
	Build a dormer loft conversion	£41,863
	Lay a concrete foundation	£6,113
	Convert a bungalow loft	£28,863
	Basement conversion cost	£35,956