Cost to build a flat roof extension in Walthamstow

Flat roof extension cost in Walthamstow

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 Walthamstow?

A flat roof extension ranges from the cheapest of £21,280 (Q-SERVICES based in E17) to the dearest of £23,360 (Iservices-uk Ltd based in E17), 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 Walthamstow by posting a job with HaMuch. We'll send it to extension builders in Walthamstow.

Estimates for flat roof extension near Walthamstow

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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Can you walk on a flat roof extension?
What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,484
	Build a two storey extension	£87,976
	Build a timber frame extension	£25,984
	Install a swimming pool	£80,984
	Cost to build a single storey extension	£54,674
	Cost to build a side return extension	£41,316
	Install an RSJ	£2,184
	Build an outbuilding	£9,984
	Build a mansard loft conversion	£51,984
	Cost of a loft conversion	£33,597
	Build a kitchen extension	£41,984
	Build a hip to gable loft conversion	£41,984
	Build a granny annexe	£86,984
	Build a garden office	£9,984
	Convert a garage	£15,984
	Build a new garage	£18,484
	Build a flat roof extension	£21,984
	Build a dormer loft conversion	£41,984
	Lay a concrete foundation	£6,234
	Convert a bungalow loft	£28,984
	Basement conversion cost	£37,316

Business name	Flat roof extension cost
Flow-Right Construction, London, E17	£21,848
Italian Home Renovation, London, e17	£21,848
Italian Home Renovation, London, e17	£21,944
John Ghanie, Walthamstow, E17	£21,880
Concept Grid, Greater London, E17	£21,936
Bright Builders Ltd, Walthamstow, E17	£21,840
London Airports Taxi, Londonderry, E17	£21,944
Iservices-uk.org, Walthamstow, E17	£22,880
Iservices-uk Ltd, London, E17	£23,360
Gold & Berg, Essex, E17	£21,944
Q-SERVICES, London, E17	£21,280
Amwell Construction Ltd, Walthamstow, E17	£21,864
Ace Design Works Ltd, London, E17	£21,600
AR Service Limited, Greater London, E17	£21,944
A & B LONDON CONSTRUCTION, Walthamstow, E17	£21,864
Pioneer Concepts, 26 St. John?s road, London, E17	£21,840
Halls Dampcoursing, Walthamstow, E17	£21,880
New Images Ltd, London, Greater London, E17	£21,840
HHOMECONCEPTS, London, E17	£21,944
Citadel marble, Walthamstow, London, Greater London, E17	£21,880
Propello , Greater London, E17	£22,800
FM BUILDING SOLUTIONS LTD, Walthamstow, E17	£21,864
CHRIS BUILDER, Walthamstow, E17	£21,848
M & D BUILDING & DECORATING, Walthamstow, E17	£21,856
Bassi Build, Leyton, E10	£21,864

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Flat roof extension cost in Walthamstow

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Flat roof extension cost in Walthamstow

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