Cost to build a flat roof extension in SE19

Flat roof extension cost in SE19

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 SE19?

A flat roof extension ranges from the cheapest of £21,600 (RCB Group Design & Build based in SE21) to the dearest of £22,400 (Buci builders ltd based in SE27), 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 SE19 by posting a job with HaMuch. We'll send it to extension builders in SE19.

Estimates for flat roof extension near SE19

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	£17,392
	Build a two storey extension	£87,837
	Build a timber frame extension	£25,892
	Install a swimming pool	£80,892
	Cost to build a single storey extension	£52,830
	Cost to build a side return extension	£40,280
	Install an RSJ	£2,092
	Build an outbuilding	£9,892
	Build a mansard loft conversion	£51,892
	Cost of a loft conversion	£32,733
	Build a kitchen extension	£41,892
	Build a hip to gable loft conversion	£41,892
	Build a granny annexe	£86,892
	Build a garden office	£9,892
	Convert a garage	£15,892
	Build a new garage	£18,392
	Build a flat roof extension	£21,892
	Build a dormer loft conversion	£41,892
	Lay a concrete foundation	£6,142
	Convert a bungalow loft	£28,892
	Basement conversion cost	£36,280

Business name	Flat roof extension cost
South London Conversions Ltd., London, SE19	£21,848
Mesoni Ltd, London, Greater London, SE19	£21,848
LivingFunky, Stambourne Way, London, Greater London, SE19	£21,840
Universal Plastering Ltd, Greater London, SE19	£21,944
JM Property Maintenance, Salters Hill, SE19	£21,848
Greens Gardening & Landscape Property Maintenance, London, SE19	£21,880
Urban London Development, 242 Gipsy Road, London, Greater London, SE27	£21,848
Martin's Builders & Decorators, 237 Gipsy Road, West Norwood, London, Greater London, SE27	£21,848
Greene, Surrey, Se19	£21,944
Parallax Project Management, Greater London, SE27	£21,944
RCB Group Design & Build, London, SE21	£21,600
St Ives Decor, Greater London, SE27	£21,944
Southwood (UK) Roofing Limited, 86 South Norwood, London, Greater London, SE25	£21,832
LONDON GREAT CONSTRUCTION, Streatham, SW16	£21,864
GNO Stone, 119 Grange Road, London, Greater London, SE25	£21,840
Buci builders ltd, London, SE27	£22,400
Scribe London Lofts Ltd, London, SE25	£21,880
ASL Development, Thornton Heath, CR7	£21,880
Kevluck Builders Ltd, Thornton Heath, CR7	£21,880
K S BUILDERS (UK) LTD, Thornton Heath, CR7	£21,864
A & P Master Construction, Thornton Heath, CR7	£21,880
Diy (London) Doctors Ltd, South Norwood, SE25	£21,880
Create Bespoke, Greater London, SE21	£21,944
CORAL BUILDING SERVICES, South Norwood, SE25	£21,864
Alta London Design & Project Management, Greater London, SE27	£21,944

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Flat roof extension cost in SE19

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Flat roof extension cost in SE19

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