Cost to build a flat roof extension in Notting Hill

Flat roof extension cost in Notting Hill

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 Notting Hill?

A flat roof extension ranges from the cheapest of £21,848 (Domus Italia - The Italian Contractor based in W11) to the dearest of £21,944 (Intellicasa based in W11), 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 Notting Hill by posting a job with HaMuch. We'll send it to extension builders in Notting Hill.

Estimates for flat roof extension near Notting Hill

"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?
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What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,383
	Build a two storey extension	£87,825
	Build a timber frame extension	£25,883
	Install a swimming pool	£80,883
	Cost to build a single storey extension	£52,664
	Cost to build a side return extension	£40,186
	Install an RSJ	£2,083
	Build an outbuilding	£9,883
	Build a mansard loft conversion	£51,883
	Cost of a loft conversion	£32,655
	Build a kitchen extension	£41,883
	Build a hip to gable loft conversion	£41,883
	Build a granny annexe	£86,883
	Build a garden office	£9,883
	Convert a garage	£15,883
	Build a new garage	£18,383
	Build a flat roof extension	£21,883
	Build a dormer loft conversion	£41,883
	Lay a concrete foundation	£6,133
	Convert a bungalow loft	£28,883
	Basement conversion cost	£36,186

Business name	Flat roof extension cost
Intellicasa, Greater London, W11	£21,944
Translucent Studio, London, W11	£21,944
PEMBRIDGE CONSTRUCTION LTD, Notting Hill, W11	£21,864
Domus Italia - The Italian Contractor, London, W11	£21,944
Domus Italia - The Italian Contractor, 27a Pembridge Villas, Notting Hill, London, W11	£21,848
M & A UK Ltd, Notting Hill, W11	£21,888
Right Build Group, LONDON, W11	£21,920
MRJ Building Services, Notting Hill, W11	£21,888
HvB Development + Elnaz Namaki Studio, Studio 2, 48-49 Princes Place, London, Greater London, W11	£21,848
Hawkespur Ltd, London, Greater London, W2	£21,848
Home Healers Ltd., London, Greater London, W11	£21,848
One L Building Services, London, Greater London, W11	£21,848
Sam Loft, Notting Hill, W11	£21,888
Glenwood, 11 Ruston Mews, London, Greater London, W11	£21,848
Kappa Enterprises Ltd, 24 Evesham House, Hereford Road, London, Greater London, W2	£21,848
Jobbs, Greater London, W11	£21,944
Monroe Wolfe, Greater London, W2	£21,944
Hamilton Park Properties, London, Greater London, W11	£21,848
Inigo & Co., London, Greater London, W11	£21,848
Hamilton Park Properties, Greater London, W11	£21,944
EYKING, 12 Bassett Road, London, Greater London, W10	£21,848
Clearly Renovations Ltd, London, Greater London, W8	£21,848
Alexander Build, 60 Kensington Church Street, Kensington & Chelsea, Greater London, W8	£21,848
Homeconcepts, London, Greater London, W8	£21,848
G-something London, Greater London, W10	£21,944

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Flat roof extension cost in Notting Hill

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Flat roof extension cost in Notting Hill

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