Cost to build a flat roof extension in Leadenhall

Flat roof extension cost in Leadenhall

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 Leadenhall?

A flat roof extension ranges from the cheapest of £21,848 (Volute London based in EC4N) to the dearest of £21,944 (London Roof Gardens based in EC3V), 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 Leadenhall by posting a job with HaMuch. We'll send it to extension builders in Leadenhall.

Estimates for flat roof extension near Leadenhall

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	£17,400
	Build a two storey extension	£87,850
	Build a timber frame extension	£25,900
	Install a swimming pool	£80,900
	Cost to build a single storey extension	£52,997
	Cost to build a side return extension	£40,373
	Install an RSJ	£2,100
	Build an outbuilding	£9,900
	Build a mansard loft conversion	£51,900
	Cost of a loft conversion	£32,811
	Build a kitchen extension	£41,900
	Build a hip to gable loft conversion	£41,900
	Build a granny annexe	£86,900
	Build a garden office	£9,900
	Convert a garage	£15,900
	Build a new garage	£18,400
	Build a flat roof extension	£21,900
	Build a dormer loft conversion	£41,900
	Lay a concrete foundation	£6,150
	Convert a bungalow loft	£28,900
	Basement conversion cost	£36,373

Business name	Flat roof extension cost
London Roof Gardens, 30 The Leadenhall Building, 122 Leadenhall Street, London, Greater London, EC3V	£21,944
GenUp Digital, East Dunbartonshire, EC3M	£21,944
Volute London, London, Greater London, EC4N	£21,848
Omniform, Greater London, EC3V	£21,856
evolve property solutions, Unit 143, 155 Minories, London, Greater London, EC3N	£21,856
Shine Your Home, Shine Your Home Services, London, Greater London, E1	£21,856
Venta Construction, 8 City Road, London, Greater London, EC1Y	£21,848
Pencil and Brick, Greater London, E1	£21,944
Renovation work service, London, E1W	£21,944
Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A	£21,848
Flow Property Services, London, Greater London, EC4M	£21,848
Stanrock Building Services Ltd, Unit 3b Plantain Place, London, Greater London, se1	£21,848
Stanrock Building Services Ltd, Greater London, se1	£21,944
Space Design Construction Services Ltd, London, Greater London, SE1	£21,848
Londoner Building Ltd., Greater London, EC1A	£21,944
Gabriel Shin, Greater London, E1	£21,944
Kia Designs, Greater London, SE1	£21,944
Helix Group Ltd, London, EC2A	£21,944
MakoExpert Ltd - Property Refurbishment Specialist, Greater London, EC2A	£21,944
Kindred Elite, London, Hertfordshire, EC2A	£21,856
London Art Construction and Design, Greater London, EC2A	£21,944
Grandis Whim, Greater London, EC2A	£21,944
WECAN Associates, WECAN Associates, 86-90 Paul Street, London, Greater London, EC2A	£21,856
WECAN Associates, Greater London, EC2A	£21,944
Glass Spaces, Extensions and Rooms, 86-90 Paul street,, EC2A	£21,856

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Flat roof extension cost in Leadenhall

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Flat roof extension cost in Leadenhall

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