Cost to build a flat roof extension in SW11

Flat roof extension cost in SW11

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 SW11?

A flat roof extension ranges from the cheapest of £21,840 (Battersea Builders based in SW11) to the dearest of £21,944 (Pure Contractors Ltd based in SW11), 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 SW11 by posting a job with HaMuch. We'll send it to extension builders in SW11.

Estimates for flat roof extension near SW11

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	£17,385
	Build a two storey extension	£87,828
	Build a timber frame extension	£25,885
	Install a swimming pool	£80,885
	Cost to build a single storey extension	£52,702
	Cost to build a side return extension	£40,208
	Install an RSJ	£2,085
	Build an outbuilding	£9,885
	Build a mansard loft conversion	£51,885
	Cost of a loft conversion	£32,673
	Build a kitchen extension	£41,885
	Build a hip to gable loft conversion	£41,885
	Build a granny annexe	£86,885
	Build a garden office	£9,885
	Convert a garage	£15,885
	Build a new garage	£18,385
	Build a flat roof extension	£21,885
	Build a dormer loft conversion	£41,885
	Lay a concrete foundation	£6,135
	Convert a bungalow loft	£28,885
	Basement conversion cost	£36,208

Business name	Flat roof extension cost
Pure Contractors Ltd, London, SW11	£21,944
Battersea Builders, Battersea Arts Centre, Scratch Hub, London, Greater London, SW11	£21,840
Lattice Projects Ltd, 24 Afghan road, Battersea, London, SW11	£21,840
APT Renovation Limited, Tempo House, 15 Falcon Road, Battersea, London, SW11	£21,840
R&M Lines Limited, R & M Lines Ltd, Unit 149, Battersea Business Centre, London, Greater London, SW11	£21,840
Loran Design and Build Ltd, London, SW11	£21,936
latchmereshandmade furniture, Greater London, sw11	£21,944
Battersea Plumbers, London, SW11	£21,888
Zebra Property Group, 38 Lavender Hill, London, Greater London, SW11	£21,840
London Construction, Battersea, SW11	£21,880
Palm Property Developments Ltd, 166 Battersea Park Road, Battersea, London, Greater London, sw11	£21,840
Palm Property Developments Ltd, Greater London, sw11	£21,944
AD107 Design and Build, Greater London, SW11	£21,936
novospace ltd, Greater London, SW11	£21,936
Orchestrate, 53 Webb's Road, London, Greater London, SW11	£21,840
KÖK London ltd., Greater London, sw11	£21,936
4 You Residential, 2a St John?s Hill Grove, London, SW11	£21,840
Style & Decor, Battersea, SW11	£21,880
DEMA REFURBISHED LTD, BATERSEA PARK YOUNGS COURT, london, sw11	£21,840
Beaufort Construction London Ltd, London, Greater London, SW11	£21,840
Beaufort Construction London Ltd, Greater London, SW11	£21,944
HillMagee, 7 Cinnamon Row, Plantation Wharf, Battersea, London, Greater London, SW11	£21,840
HillMagee, Greater London, SW11	£21,944
Lethbridge London, Lethbridge London, 250 York Road, London, Greater London, sw11	£21,840
Eerospace, Londonderry, SW11	£21,936

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Flat roof extension cost in SW11

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Flat roof extension cost in SW11

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