Cost to build a flat roof extension in Surbiton

Flat roof extension cost in Surbiton

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 Surbiton?

A flat roof extension ranges from the cheapest of £21,840 (Lime Showrooms Ltd. based in KT6) to the dearest of £22,000 (SPIRIT BUILDERS LIMITED based in KT3), 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 Surbiton by posting a job with HaMuch. We'll send it to extension builders in Surbiton.

Estimates for flat roof extension near Surbiton

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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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	£17,396
	Build a two storey extension	£87,844
	Build a timber frame extension	£25,896
	Install a swimming pool	£80,896
	Cost to build a single storey extension	£52,914
	Cost to build a side return extension	£40,326
	Install an RSJ	£2,096
	Build an outbuilding	£9,896
	Build a mansard loft conversion	£51,896
	Cost of a loft conversion	£32,772
	Build a kitchen extension	£41,896
	Build a hip to gable loft conversion	£41,896
	Build a granny annexe	£86,896
	Build a garden office	£9,896
	Convert a garage	£15,896
	Build a new garage	£18,396
	Build a flat roof extension	£21,896
	Build a dormer loft conversion	£41,896
	Lay a concrete foundation	£6,146
	Convert a bungalow loft	£28,896
	Basement conversion cost	£36,326

Business name	Flat roof extension cost
Leith All Building & Decorating, Howard Road, Surbito, KT5	£21,856
Active Fox Limited, Surrey, KT5	£21,944
Lime Showrooms Ltd., Surbiton, Surrey, KT6	£21,840
Eminent Property Solutions, Long Ditton, KT6	£21,888
P L CONTRACTORS DESIGN & BUILD, Kingston Upon Thames, KT1	£21,864
Martini Building Contractors, 137 Hamilton Avenue, Surbiton, London, Surrey, KT6	£21,840
solaes construction, Greater London, kt6	£21,944
AB Construction & Maintenance, Flat 3 11 grove road, London, Surrey, Kt6	£21,840
BUILDMASTER CONSTRUCTION LTD, New Malden, KT3	£21,856
SPIRIT BUILDERS LIMITED, New Malden, KT3	£22,000
Maple Roofing Ltd, Surrey, KT1	£21,944
Albdeco Builders & Decorators Ltd, Kingston upon thames, KT1	£21,888
Paul Meacher Builders, New Malden, KT3	£21,856
KS Construction, New Malden, KT3	£21,856
DECrew, Unit 4, Hawks House, School Passage, Kingston upon Thames, Surrey, KT1	£21,840
Matstone Projects Limited, Greater London, kt6	£21,944
Hy home improvements, Surrey, Kt3	£21,944
Hardings houses, Greater London, Kt1	£21,944
V&Co., Surrey, KT6	£21,944
SURREY BUILDING SOLUTIONS, Kingston Upon Thames, KT1	£21,864
MZ Building Services, Kingston Upon Thames, KT1	£21,864
Plane Construction Ltd, Kent, KT1	£21,944
EFFIE BUILDING LTD , New Malden, KT3	£21,856
Linkfern Limited, New malden, KT3	£21,888
Aranstruct, Surrey, Kt2	£21,944

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Flat roof extension cost in Surbiton

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Flat roof extension cost in Surbiton

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