Cost to build a flat roof extension in China Town

Flat roof extension cost in China Town

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 China Town?

A flat roof extension ranges from the cheapest of £21,848 (House Rendering Ltd based in WC2H) to the dearest of £21,944 (Big Mamma based in W1F), 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 China Town by posting a job with HaMuch. We'll send it to extension builders in China Town.

Estimates for flat roof extension near China Town

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	£17,413
	Build a two storey extension	£87,870
	Build a timber frame extension	£25,913
	Install a swimming pool	£80,913
	Cost to build a single storey extension	£53,266
	Cost to build a side return extension	£40,524
	Install an RSJ	£2,113
	Build an outbuilding	£9,913
	Build a mansard loft conversion	£51,913
	Cost of a loft conversion	£32,937
	Build a kitchen extension	£41,913
	Build a hip to gable loft conversion	£41,913
	Build a granny annexe	£86,913
	Build a garden office	£9,913
	Convert a garage	£15,913
	Build a new garage	£18,413
	Build a flat roof extension	£21,913
	Build a dormer loft conversion	£41,913
	Lay a concrete foundation	£6,163
	Convert a bungalow loft	£28,913
	Basement conversion cost	£36,524

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Flat roof extension cost in China Town

Estimates for common extension builder jobs in China Town;

Rates for other China Town trades

Flat roof extension cost in China Town

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Business name	Flat roof extension cost
Big Mamma, Greater London, W1F	£21,944
Cornerstone, Greater London, W1F	£21,944
Sehem Design, london, W1F	£21,944
Matstone Projects Limited, Greater London, WC2H	£21,944
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H	£21,848
My Trusted Builder, London, Greater London, wc2h	£21,848
Whitehorse Build London, Greater London, WC2H	£21,944
ElleHaus, Greater London, WC2H	£21,944
ORO Projects, Greater London, WC2H	£21,944
Gil Construction Ltd, Greater London, WC2H	£21,944
Rucco Property, Greater London, WC2H	£21,944
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H	£21,848
My Lady Builder, Greater London, WC2H	£21,944
Elv8 Interiors, Greater London, W1B	£21,944
Adamko Dry Lining London, Greater London, WC2N	£21,944
Atlant Construction, London, Greater London, W1T	£21,848
Starfish Properties, 14 Hanover Street, 3rd Floor, 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
TipTop Joinery & Build, London, Greater London, WC1V	£21,848
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S	£21,848
JAY Executinos LTD, London, W1W	£21,944
UCS UK Ltd, Greater London, W1W	£21,944
Eternal Solutions, Greater London, W1W	£21,944