Cost to build a flat roof extension in City Of Westminster

Flat roof extension cost in City Of Westminster

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 City Of Westminster?

A flat roof extension ranges from the cheapest of £21,840 (Pillar Contractors Ltd based in W1K) to the dearest of £21,944 (Guildon LTD based in w1b), 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 City Of Westminster by posting a job with HaMuch. We'll send it to extension builders in City Of Westminster.

"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."

"Flat roof extension"

	Job	Estimate
	Underpinning a house	£17,406
	Build a two storey extension	£87,859
	Build a timber frame extension	£25,906
	Install a swimming pool	£80,906
	Cost to build a single storey extension	£53,125
	Cost to build a side return extension	£40,445
	Install an RSJ	£2,106
	Build an outbuilding	£9,906
	Build a mansard loft conversion	£51,906
	Cost of a loft conversion	£32,871
	Build a kitchen extension	£41,906
	Build a hip to gable loft conversion	£41,906
	Build a granny annexe	£86,906
	Build a garden office	£9,906
	Convert a garage	£15,906
	Build a new garage	£18,406
	Build a flat roof extension	£21,906
	Build a dormer loft conversion	£41,906
	Lay a concrete foundation	£6,156
	Convert a bungalow loft	£28,906
	Basement conversion cost	£36,445

Business name	Flat roof extension cost
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S	£21,848
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S	£21,848
Guildon LTD, Greater London, w1b	£21,944
CORRECTBUILDIV.LTD, Greater London, W1B	£21,944
Hestia Contractors Ltd, 207 Regent Street, London, Greater London, W1B	£21,848
Sehem Design, london, W1F	£21,944
Cornerstone, Greater London, W1F	£21,944
JK Doors, Fitzrovia, W1W	£21,888
Capatus properties ltd, Greater London, W1W	£21,944
Teammax LTD, 85 Great Portland Street, London, Greater London, W1W	£21,848
Italian Soft Leather Purses, Greater London, W1W	£21,944
KBB Master Builder LTD, Greater London, W1W	£21,944
Design 2000 UK Ltd, Greater London, W1W	£21,944
Grand Phase Ltd, 85 Great Portland Street, London, Greater London, W1W	£21,848
UCS UK Ltd, Greater London, W1W	£21,944
JAY Executinos LTD, London, W1W	£21,944
Eternal Solutions, Greater London, W1W	£21,944
KBB Master Builder Ltd, Greater London, W1W	£21,944
Big Mamma, Greater London, W1F	£21,944
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K	£21,840
Elv8 Interiors, Greater London, W1B	£21,944
We Love Build, Greater London, W1J	£21,944
We Love Build - Three Arches, London, Greater London, W1J	£21,840
Luxe Refurbs, 16 Berkeley Street, London, Greater London, W1J	£21,840
Atlant Construction, London, Greater London, W1T	£21,848

Location in UK	Hourly Rate	Daily Rate
Flat Roof Extension near London	£39	£237
Flat Roof Extension near Camden Town	£38	£238
Flat Roof Extension near Belgravia	£38	£237
Flat Roof Extension near Chelsea	£38	£238
Flat Roof Extension near Lambeth	£38	£237
Flat Roof Extension near Kensington	£38	£238
Flat Roof Extension near Islington	£39	£237
Flat Roof Extension near Fulham	£38	£238
Flat Roof Extension near Camberwell	£38	£237
Flat Roof Extension near Bethnal Green	£39	£236

Extend your City Of Westminster with an extension

Flat roof extension cost in City Of Westminster

Estimates for common extension builder jobs in City Of Westminster;

Rates for other City Of Westminster trades

Flat roof extension cost in City Of Westminster

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