Cost to build a flat roof extension in Kensington And Chelsea

Flat roof extension cost in Kensington And Chelsea

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 Kensington And Chelsea?

A flat roof extension ranges from the cheapest of £21,832 (Griana Builds based in W14) to the dearest of £21,944 (Rose Narmani based in W8), 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 Kensington And Chelsea by posting a job with HaMuch. We'll send it to extension builders in Kensington And Chelsea.

Estimates for flat roof extension near Kensington And Chelsea

"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m."

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	£17,388
	Build a two storey extension	£87,832
	Build a timber frame extension	£25,888
	Install a swimming pool	£80,888
	Cost to build a single storey extension	£52,760
	Cost to build a side return extension	£40,240
	Install an RSJ	£2,088
	Build an outbuilding	£9,888
	Build a mansard loft conversion	£51,888
	Cost of a loft conversion	£32,700
	Build a kitchen extension	£41,888
	Build a hip to gable loft conversion	£41,888
	Build a granny annexe	£86,888
	Build a garden office	£9,888
	Convert a garage	£15,888
	Build a new garage	£18,388
	Build a flat roof extension	£21,888
	Build a dormer loft conversion	£41,888
	Lay a concrete foundation	£6,138
	Convert a bungalow loft	£28,888
	Basement conversion cost	£36,240

Business name	Flat roof extension cost
Alexander Build, 60 Kensington Church Street, Kensington & Chelsea, Greater London, W8	£21,848
Homeconcepts, London, Greater London, W8	£21,848
Clearly Renovations Ltd, London, Greater London, W8	£21,848
The Architects Of London, 239 Kensington High Street, London, Greater London, W8	£21,848
Rose Narmani, Greater London, W8	£21,944
M & A UK Ltd, Notting Hill, W11	£21,888
Intellicasa, Greater London, W11	£21,944
London Roofing Specialist Limited, Greater London, W8	£21,944
GSP, Greater London, W8	£21,944
Huntsmore, 96 Kensington High Street, London, Greater London, W8	£21,848
Broseley, London, W8	£21,848
Vyas Design, South Ayrshire, W8	£21,944
2MO, Greater London, W14	£21,944
2MO, London, Greater London, W14	£21,848
Home Healers Ltd., London, Greater London, W11	£21,848
FrontierstroyUK, Greater London, W8	£21,944
Varga Homes Renovation, Greater London, W8	£21,944
Griana Builds, London, W14	£21,832
home refurbishments, London, Greater London, W14	£21,848
HvB Development + Elnaz Namaki Studio, Studio 2, 48-49 Princes Place, London, Greater London, W11	£21,848
PEMBRIDGE CONSTRUCTION LTD, Notting Hill, W11	£21,864
Monroe Wolfe, Greater London, W2	£21,944
Hawkespur Ltd, London, Greater London, W2	£21,848
Domus Italia - The Italian Contractor, 27a Pembridge Villas, Notting Hill, London, W11	£21,848
Domus Italia - The Italian Contractor, London, W11	£21,944

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Flat roof extension cost in Kensington And Chelsea

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Flat roof extension cost in Kensington And Chelsea

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