Cost to build a flat roof extension in Southgate

Flat roof extension cost in Southgate

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 Southgate?

A flat roof extension ranges from the cheapest of £21,440 (Logic Build LTD based in N11) to the dearest of £22,632 (Artan Property Services Ltd based in N14), 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 Southgate by posting a job with HaMuch. We'll send it to extension builders in Southgate.

Estimates for flat roof extension near Southgate

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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What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,428
	Build a two storey extension	£87,892
	Build a timber frame extension	£25,928
	Install a swimming pool	£80,928
	Cost to build a single storey extension	£53,554
	Cost to build a side return extension	£40,686
	Install an RSJ	£2,128
	Build an outbuilding	£9,928
	Build a mansard loft conversion	£51,928
	Cost of a loft conversion	£33,072
	Build a kitchen extension	£41,928
	Build a hip to gable loft conversion	£41,928
	Build a granny annexe	£86,928
	Build a garden office	£9,928
	Convert a garage	£15,928
	Build a new garage	£18,428
	Build a flat roof extension	£21,928
	Build a dormer loft conversion	£41,928
	Lay a concrete foundation	£6,178
	Convert a bungalow loft	£28,928
	Basement conversion cost	£36,686

Business name	Flat roof extension cost
EVS ARCHITECTURE & CONSTRUCTION LTD, London, N14	£21,944
Artifex Building & Carpentry Limited, Southgate, N14	£21,944
TIPS CONSTRUCTION, London, Hertfordshire, N14	£21,840
AGK Building Services Ltd, Greater London, N14	£21,944
Des Contract Ltd, Southgate, London, Greater London, N14	£21,848
Grand Lion Group, London, N14	£21,944
Sunshine Investment Properties, Greater London, N14	£21,944
A-Team Building Construction Ltd, London, N14	£21,840
Artan Property Services Ltd, London, N14	£22,632
Renova PMC, Greater London, n11	£21,944
C. Jenkin Builders Limited, 39 The Spinney, Winchmore Hill, Enfield,, N21	£21,944
Mansarda Ltd, London, N11	£21,888
MULBERRY CONSTRUCTION LTD, Winchmore Hill, N21	£21,864
Hassco Building Ltd, Greater London, N14	£21,944
Hassco Building Ltd, London, Greater London, N14	£21,848
DRB International Ltd T/A Lofty Lofts, Barnet, EN4	£21,600
Pavillion Building Services, Cockfosters, EN4	£21,888
Keenan Construction, North London Business Park, Building 3, London, Greater London, N11	£21,848
Wittick Building Ltd, Cockfosters, EN4	£21,888
Logic Build LTD, London, N11	£21,440
Tudor Construction Services Ltd, London, N11	£22,560
R & I Builders, Cockfosters, EN4	£21,880
Maxim Taitley Ltd., Greater London, N11	£21,944
Noel’s Design, Greater London, N13	£21,944
Euro Quant Ltd, Palmers Green, N13	£21,888

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Flat roof extension cost in Southgate

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Flat roof extension cost in Southgate

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