Cost to build a flat roof extension in W2

Flat roof extension cost in W2

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 W2?

A flat roof extension ranges from the cheapest of £21,848 (The Lady Builder based in W2) to the dearest of £21,944 (ADAM Carpentry based in W2), 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 W2 by posting a job with HaMuch. We'll send it to extension builders in W2.

Estimates for flat roof extension near W2

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?
How long does a flat roof extension take?
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	£17,390
	Build a two storey extension	£87,835
	Build a timber frame extension	£25,890
	Install a swimming pool	£80,890
	Cost to build a single storey extension	£52,805
	Cost to build a side return extension	£40,265
	Install an RSJ	£2,090
	Build an outbuilding	£9,890
	Build a mansard loft conversion	£51,890
	Cost of a loft conversion	£32,721
	Build a kitchen extension	£41,890
	Build a hip to gable loft conversion	£41,890
	Build a granny annexe	£86,890
	Build a garden office	£9,890
	Convert a garage	£15,890
	Build a new garage	£18,390
	Build a flat roof extension	£21,890
	Build a dormer loft conversion	£41,890
	Lay a concrete foundation	£6,140
	Convert a bungalow loft	£28,890
	Basement conversion cost	£36,265

Business name	Flat roof extension cost
The Lady Builder, 52 Queen's Gardens, London, Greater London, W2	£21,848
ADAM Carpentry, Greater London, W2	£21,944
Duke of Design, Greater London, W2	£21,944
Duke of Design, 3 Southwick Street, London, Greater London, W2	£21,848
D’Eufemia Co, Greater London, W2	£21,944
Reniam Limited, Greater London, W2	£21,944
ProHome Construction ltd, Maida Vale, West London, London, Greater London, W9	£21,848
Marylebone Interiors London Ltd, Greater London, W1H	£21,944
Northwest Building Constructions Ltd, Paddington, W2	£21,888
Kappa Enterprises Ltd, 24 Evesham House, Hereford Road, London, Greater London, W2	£21,848
Monroe Wolfe, Greater London, W2	£21,944
Hawkespur Ltd, London, Greater London, W2	£21,848
Bonsai Property Services, Flat, 78 York Street, London, Greater London, W1H	£21,848
Domus Italia - The Italian Contractor, London, W11	£21,944
Domus Italia - The Italian Contractor, 27a Pembridge Villas, Notting Hill, London, W11	£21,848
Home Healers Ltd., London, Greater London, W11	£21,848
PEMBRIDGE CONSTRUCTION LTD, Notting Hill, W11	£21,864
Clearly Renovations Ltd, London, Greater London, W8	£21,848
M & A UK Ltd, Notting Hill, W11	£21,888
Homeconcepts, London, Greater London, W8	£21,848
Alexander Build, 60 Kensington Church Street, Kensington & Chelsea, Greater London, W8	£21,848
Niko Jikuri, London, NW1	£21,944
Cly Design, Greater London, NW8	£21,944
Hamilton Park Properties, London, Greater London, W11	£21,848
Hamilton Park Properties, Greater London, W11	£21,944

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Flat roof extension cost in W2

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Flat roof extension cost in W2

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