Cost to build a mansard loft conversion in NW1

Build a mansard loft conversion in NW1 from £51,848

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.

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Mansard loft conversion cost in NW1
Build a Mansard loft conversion cost in NW1
Estimates for common extension builder jobs in NW1;

Mansard loft conversion cost in NW1

Mansard loft conversions range from the cheapest installation of £51,848 (NWL BUILDERS LTD based in W1T) to the dearest of around £52,400 (ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD based in NE4).

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 NW1 by posting a job with HaMuch and we'll send it to extension builders in NW1.

Estimates for build a mansard loft conversion near NW1

Estimates for common extension builder jobs in NW1;

Rates for other NW1 trades

Build a Mansard loft conversion cost in NW1

Estimate Build a Mansard loft conversion cost in NW1 based on hourly/daily rate (excluding VAT or callout charges)
Business name	Build a Mansard loft conversion cost
Masters Construction UK, London, NW1	£52,000
McCracken Consult & Construct, Greater London, NW1	£51,944
UR Interior, Greater London, NW1	£51,944
KRIER DESIGN, Greater London, NW1	£51,944
NWL BUILDERS LTD, 4th Floor, Silverstream House, 45 Fitzroy Street, Fitzrovia, London, Greater London, W1T	£51,848
Square Foot Basements Ltd, London, Greater London, NW1	£51,848
plansing, london, W1W	£51,888
Simone Pinducciu - Mesoni Ltd, Greater London, W1W	£51,944
NARCH Ltd, Greater London, WC1H	£51,944
Forster & Sons, London, Greater London, NW1	£51,848
ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD, Newcastle upon Tyne , NE4	£52,400
Mark Collett Design and Build, 8 St Georges Terrace, Primrose Hill, London, Greater London, NW1	£51,848
Citygate, London, WC1H	£51,944
Atlant Construction, London, Greater London, W1T	£51,848
Grand Phase Ltd, 85 Great Portland Street, London, Greater London, W1W	£51,848
Capatus properties ltd, Greater London, W1W	£51,944
Italian Soft Leather Purses, Greater London, W1W	£51,944
Design 2000 UK Ltd, Greater London, W1W	£51,944
KBB Master Builder LTD, Greater London, W1W	£51,944
JK Doors, Fitzrovia, W1W	£51,888
UCS UK Ltd, Greater London, W1W	£51,944
Eternal Solutions, Greater London, W1W	£51,944
KBB Master Builder Ltd, Greater London, W1W	£51,944
JAY Executinos LTD, London, W1W	£51,944
Teammax LTD, 85 Great Portland Street, London, Greater London, W1W	£51,848

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	Job	Estimate
	Cost to underpin a house	£17,433
	Build a two storey extension	£87,900
	Cost to build a timber frame extension	£25,933
	Cost to build a swimming pool	£80,933
	Cost to build a single storey extension	£53,662
	Cost to build a side return extension	£40,748
	Cost to Install an RSJ	£2,133
	Build an outbuilding	£9,933
	Cost to build a mansard loft conversion	£51,933
	Cost of a loft conversion	£33,123
	Cost to build a kitchen extension	£41,933
	Build a hip to gable loft conversion	£41,933
	Build a granny annexe	£86,933
	Build a garden office	£9,933
	Cost of a garage conversion	£15,933
	Build a new garage	£18,433
	Cost to build a flat roof extension	£21,933
	Cost to build a dormer loft conversion	£41,933
	Lay a concrete foundation	£6,183
	Cost of a bungalow loft conversion	£28,933
	Basement conversion cost	£36,748