Cost to build a flat roof extension in N7

Flat roof extension cost in N7

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in N7?

A flat roof extension ranges from the cheapest of £21,848 (Nucleus Design Studio based in N7) to the dearest of £21,944 (Bok Services Ltd based in N7), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.

Find out how much your flat roof extension will cost in N7 by posting a job with HaMuch. We'll send it to extension builders in N7.

Estimates for flat roof extension near N7

How much does a flat roof extension cost?
Flat roof extension cost per m2
Factors affecting the cost of flat roof extensions
Advantages and disadvantages of flat roofs
Which is cheaper: a flat roof or pitched roof?
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Do you need planning permission for a flat roof extension?
How long does a flat roof last?
Can you walk on a flat roof extension?
What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,408
	Build a two storey extension	£87,863
	Build a timber frame extension	£25,908
	Install a swimming pool	£80,908
	Cost to build a single storey extension	£53,170
	Cost to build a side return extension	£40,470
	Install an RSJ	£2,108
	Build an outbuilding	£9,908
	Build a mansard loft conversion	£51,908
	Cost of a loft conversion	£32,892
	Build a kitchen extension	£41,908
	Build a hip to gable loft conversion	£41,908
	Build a granny annexe	£86,908
	Build a garden office	£9,908
	Convert a garage	£15,908
	Build a new garage	£18,408
	Build a flat roof extension	£21,908
	Build a dormer loft conversion	£41,908
	Lay a concrete foundation	£6,158
	Convert a bungalow loft	£28,908
	Basement conversion cost	£36,470

Business name	Flat roof extension cost
Bok Services Ltd, Greater London, N7	£21,944
Andreas Thomas Demetri, Holloway, N7	£21,888
D.W Baker, Holloway, N7	£21,888
Nucleus Design Studio, The Basement, 324 Liverpool Road, London, N7	£21,848
Nucleus Design Studio, London, N7	£21,944
Hudson Builders & Bathrooms, London, N7	£21,944
CMT Ltd, Islington, N1	£21,888
Warren House Construction Ltd, 74 Shaftesbury Road, London, Greater London, N19	£21,848
Brothers Group, London, N4	£21,944
JAMES REGAN CONSTRUCTION, Kentish Town, NW5	£21,864
Mel Massey Studio, Greater London, N4	£21,944
Cavendish Builds, Greater London, N1	£21,944
Vision Construct, Greater London, N1	£21,944
Smith Morgan, Greater London, N1	£21,944
Atelier Design & Build, Greater London, N1	£21,944
Murphy London Ltd, Greater London, N1	£21,944
WeTradeWorks, Greater London, N19	£21,944
Raocon Limited, Greater London, N19	£21,944
CAPITAL CONSTRUCTION LIMITED, Highbury, N5	£21,864
Regent Developments, London, Greater London, N1	£21,848
Avocado Sweets Design Studio, Studio 37, Bickerton House, 25-27 Bickerton Road, London, Greater London, N19	£21,848
E T W Building Services, Greater London, N5	£21,944
Capital Projects, Unit 320, Highgate Studios, 53-79 Highgate Road, London, NW5	£21,848
Capital Projects, London, NW5	£21,944
DLER SINGH D S BUILDERS, Stamford Hill, N16	£21,864

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Flat roof extension cost in N7

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Flat roof extension cost in N7

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