Cost to build a flat roof extension in Havering

Flat roof extension cost in Havering

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 Havering?

A flat roof extension ranges from the cheapest of £21,848 (Forster & Sons based in NW1) to the dearest of £22,400 (ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD based in NE4), 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 Havering by posting a job with HaMuch. We'll send it to extension builders in Havering.

Estimates for flat roof extension near Havering

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	£17,431
	Build a two storey extension	£87,897
	Build a timber frame extension	£25,931
	Install a swimming pool	£80,931
	Cost to build a single storey extension	£53,624
	Cost to build a side return extension	£40,726
	Install an RSJ	£2,131
	Build an outbuilding	£9,931
	Build a mansard loft conversion	£51,931
	Cost of a loft conversion	£33,105
	Build a kitchen extension	£41,931
	Build a hip to gable loft conversion	£41,931
	Build a granny annexe	£86,931
	Build a garden office	£9,931
	Convert a garage	£15,931
	Build a new garage	£18,431
	Build a flat roof extension	£21,931
	Build a dormer loft conversion	£41,931
	Lay a concrete foundation	£6,181
	Convert a bungalow loft	£28,931
	Basement conversion cost	£36,726

Business name	Flat roof extension cost
Forster & Sons, London, Greater London, NW1	£21,848
Square Foot Basements Ltd, London, Greater London, NW1	£21,848
SLS BUILDERS LIMITED, Kentish Town, NW5	£21,864
UR Interior, Greater London, NW1	£21,944
KRIER DESIGN, Greater London, NW1	£21,944
McCracken Consult & Construct, Greater London, NW1	£21,944
JAMES REGAN CONSTRUCTION, Kentish Town, NW5	£21,864
ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD, Newcastle upon Tyne , NE4	£22,400
Mark Collett Design and Build, 8 St Georges Terrace, Primrose Hill, London, Greater London, NW1	£21,848
Capital Projects, London, NW5	£21,944
Capital Projects, Unit 320, Highgate Studios, 53-79 Highgate Road, London, NW5	£21,848
BUILD SPACE, Primrose Hill, NW3	£21,864
Masters Construction UK, London, NW1	£22,000
Novo Solutions Group Ltd, London, NW3	£21,944
AVmen Construction, Greater London, NW3	£21,944
RAM Build Construction Ltd, 21 Laurier Rd, Highgate, London, Greater London, NW5	£21,848
Adrian Noonan Ltd, London, NW5	£21,888
D.W Baker, Holloway, N7	£21,888
Smith Morgan, Greater London, N1	£21,944
Atelier Design & Build, Greater London, N1	£21,944
Murphy London Ltd, Greater London, N1	£21,944
Cavendish Builds, Greater London, N1	£21,944
Vision Construct, Greater London, N1	£21,944
Hudson Builders & Bathrooms, London, N7	£21,944
Kigumi ltd, London, Nw3	£21,944

Extend your Havering with an extension

Flat roof extension cost in Havering

Estimates for common extension builder jobs in Havering;

Rates for other Havering trades

Flat roof extension cost in Havering

Get extension builder rates instantly