Cost to build a flat roof extension in EN2

Extend your EN2 with an extension

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 EN2?

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Flat roof extension cost in EN2

A flat roof extension ranges from the cheapest of £21,832 (Firtree Building Services Ltd based in EN1) to the dearest of £22,800 (Acme Lofts & Extensions based in EN2), 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 EN2 by posting a job with HaMuch. We'll send it to extension builders in EN2.

Estimates for build a flat roof extension near EN2

	Job	Estimate
	Cost to underpin a house	£17,425
	Build a two storey extension	£87,888
	Cost to build a timber frame extension	£25,925
	Cost to build a swimming pool	£80,925
	Cost to build a single storey extension	£53,502
	Cost to build a side return extension	£40,658
	Cost to Install an RSJ	£2,125
	Build an outbuilding	£9,925
	Cost to build a mansard loft conversion	£51,925
	Cost of a loft conversion	£33,048
	Cost to build a kitchen extension	£41,925
	Build a hip to gable loft conversion	£41,925
	Build a granny annexe	£86,925
	Build a garden office	£9,925
	Cost of a garage conversion	£15,925
	Build a new garage	£18,425
	Cost to build a flat roof extension	£21,925
	Cost to build a dormer loft conversion	£41,925
	Lay a concrete foundation	£6,175
	Cost of a bungalow loft conversion	£28,925
	Basement conversion cost	£36,658

Business name	Build a flat roof extension cost
The Orchid Group, 4 Chase Side, enfield, EN2	£21,848
A & R Design, 2A Chase Side Crescent, Enfield, Middles, EN2	£21,840
W-G LOFTS, Middlesex, EN2	£21,944
M & D Home Improvements, Enfield, EN1	£21,864
Bzone Builders, Botany Bay, EN2	£21,888
Firtree Building Services Ltd, 36 Fir Tree Walk, Enfield, London, EN1	£21,832
SweepSmart, 8 Acacia Road, Enfield, Greater London, EN2	£21,840
AL Plumbing & Electrical, Enfield, EN1	£21,944
Tdb onsite, Enfield, EN1	£21,888
B&B London Construction Ltd, Enfield, EN1	£21,888
C. Jenkin Builders Limited, 39 The Spinney, Winchmore Hill, Enfield,, N21	£21,944
Drutu Building Services, Enfield, EN1	£21,856
MULBERRY CONSTRUCTION LTD, Winchmore Hill, N21	£21,864
Acme Lofts & Extensions, Middlesex, EN2	£22,800
Cityscape Projects Ltd, 4 Elm Park Road, London, N21	£21,840
S E H BUILDERS LTD, Winchmore Hill, N21	£21,864
DW Building, Ponders End, EN3	£21,880
Des Contract Ltd, Southgate, London, Greater London, N14	£21,848
United construction group, Hertfordshire, EN3	£21,944
NexLevel Contractors Ltd, Greater London, N9	£21,944
Arkley Refurbishments, Ponders End, EN3	£21,880
ALEX BUILDING & DECORATING, Ponders End, EN3	£21,864
EVS ARCHITECTURE & CONSTRUCTION LTD, London, N14	£21,944
ICB Building and Civil Engineering, Greater London, EN3	£21,936
CESV Ltd, London, N13	£21,944

Extend your EN2 with an extension

Flat roof extension cost in EN2

Estimates for common extension builder jobs in EN2;

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Build a flat roof extension cost in EN2

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