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Flat roof extension cost in City Of London

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 City Of London?

A flat roof extension ranges from the cheapest of £21,848 (Aylaa Exclusive based in EC1A) to the dearest of £21,944 (Londoner Building Ltd. based in EC1A), 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 City Of London by posting a job with HaMuch. We'll send it to extension builders in City Of London.

Estimates for flat roof extension near City Of London

"Flat roof extension"

E5



Estimates for common extension builder jobs in City Of London;

JobEstimate
Underpinning a house£17,388
Build a two storey extension£87,832
Build a timber frame extension£25,888
Install a swimming pool£80,888
Cost to build a single storey extension£52,760
Cost to build a side return extension£40,240
Install an RSJ£2,088
Build an outbuilding£9,888
Build a mansard loft conversion£51,888
Cost of a loft conversion£32,700
Build a kitchen extension£41,888
Build a hip to gable loft conversion£41,888
Build a granny annexe£86,888
Build a garden office£9,888
Convert a garage£15,888
Build a new garage£18,388
Build a flat roof extension£21,888
Build a dormer loft conversion£41,888
Lay a concrete foundation£6,138
Convert a bungalow loft£28,888
Basement conversion cost£36,240
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Rates for other City Of London trades

Appliance Repair Specialist
Bathroom Fitter
Builder
Carpenter and Joiner
Cleaner
Conservatory Specialist
Door Fitter
Drain Specialist
Driveway Specialist
Electrician
Extension Builder
Fencer
Fire and Security Specialist
Flooring Specialist
Gardener
Handyman
Heating Engineer
Kitchen Fitter
Landscaper
Painter and Decorator
Patio and Path Specialist
Plasterer
Plumber
Removals and Storage
Roofer
Tiler
Window Fitter
Flat roof extension cost in City Of London
Estimate Flat roof extension cost in City Of London based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A £21,848
Londoner Building Ltd., Greater London, EC1A £21,944
Omniform, Greater London, EC3V £21,856
Flow Property Services, London, Greater London, EC4M £21,848
Venta Construction, 8 City Road, London, Greater London, EC1Y £21,848
Volute London, London, Greater London, EC4N £21,848
SCANDIIN, International House 24 Holborn Viaduct, London, Greater London, EC1A £21,848
SDL PKB, 107 - 111 Fleet street - London -, London, Ec4a £21,848
London Roof Gardens, 30 The Leadenhall Building, 122 Leadenhall Street, London, Greater London, EC3V £21,944
TOP CONSTRUCTION, Moorfields Eye Hospital, EC1V £21,856
Fornia Build Ltd, London, Greater London, EC1V £21,848
Fornia Build Ltd, Greater London, EC1V £21,944
GenUp Digital, East Dunbartonshire, EC3M £21,944
Shine Your Home, Shine Your Home Services, London, Greater London, E1 £21,856
Kovacs Construction Ltd, Greater London, EC1N £21,944
Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N £21,848
Oxford West, London, EC1N £21,848
Andrew Penny Construction, 63-66 Hatton Garden 5th floor Suite 23, London, Greater London, EC1N £21,848
MakoExpert Ltd - Property Refurbishment Specialist, Greater London, EC2A £21,944
Helix Group Ltd, London, EC2A £21,944
WECAN Associates, Greater London, EC2A £21,944
London Art Construction and Design, Greater London, EC2A £21,944
WECAN Associates, WECAN Associates, 86-90 Paul Street, London, Greater London, EC2A £21,856
BUILDCOM, Greater London, Ec2a £21,944
Glass Spaces, Extensions and Rooms, 86-90 Paul street,, EC2A £21,856

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Islington£39£237
Flat Roof Extension near London£39£237
Flat Roof Extension near Bethnal Green£39£236
Flat Roof Extension near Lambeth£38£237
Flat Roof Extension near Hackney£39£237
Flat Roof Extension near Camden Town£38£238
Flat Roof Extension near Belgravia£38£237
Flat Roof Extension near Camberwell£38£237
Flat Roof Extension near Chelsea£38£238
Flat Roof Extension near Kensington£38£238