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Flat roof extension cost in East Sussex

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 East Sussex?

A flat roof extension ranges from the cheapest of £21,440 (Ultimate Building Services based in BN1) to the dearest of £22,400 (CITY BUILDING SERVICES LIMITED based in BN2), 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 East Sussex by posting a job with HaMuch. We'll send it to extension builders in East Sussex.

Estimates for flat roof extension near East Sussex

Estimates for common extension builder jobs in East Sussex;

JobEstimate
Underpinning a house£17,258
Build a two storey extension£87,637
Build a timber frame extension£25,758
Install a swimming pool£80,758
Cost to build a single storey extension£50,155
Cost to build a side return extension£38,775
Install an RSJ£1,958
Build an outbuilding£9,758
Build a mansard loft conversion£51,758
Cost of a loft conversion£31,479
Build a kitchen extension£41,758
Build a hip to gable loft conversion£41,758
Build a granny annexe£86,758
Build a garden office£9,758
Convert a garage£15,758
Build a new garage£18,258
Build a flat roof extension£21,758
Build a dormer loft conversion£41,758
Lay a concrete foundation£6,008
Convert a bungalow loft£28,758
Basement conversion cost£34,775
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Rates for other East Sussex 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 East Sussex
Estimate Flat roof extension cost in East Sussex based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
House Construction ltd, Brighton, East Sussex, BN1 £21,688
East West Refurbishment Limited, East Sussex, BN1 £21,792
ORCHARD TIMBERWORKS, Brighton, BN1 £21,784
Build Safe Ltd, Brighton, BN1 £21,744
Construct Brighton, Brighton, East Sussex, BN1 £21,680
Bright Green Homes LLP, Brighton & Hove, East Sussex, BN1 £21,680
SIX STUDI? DESIGN, East Sussex, BN1 £21,784
Brightspace Renovations, Brighton, BN1 £21,744
Pataross Projects, East Sussex, BN3 £21,792
Pataross Projects, Brighton, East Sussex, BN3 £21,688
Black Olive Construction Ltd, Brighton, East Sussex, BN1 £21,672
Network Management Group, East Sussex, bn1 £21,784
Reactive Property Services Ltd, Hove, BN3 £21,920
Ultimate Building Services, Brighton, BN1 £21,440
CITY BUILDING SERVICES LIMITED, Kemptown, BN2 £22,400
Graeme Davies Plumbing and Heating, Hove, BN3 £21,752
Rock Build Ltd, Brighton, East Sussex, BN1 £21,688
Openshaw Living, Essex, BN3 £21,792
Moon Tree, Moon Tree, Brighton, East Sussex, BN3 £21,688
CAMBRIDGE BUILDING SERVICES, Hove, BN3 £21,704
Fenice Design + Build, Fenice Design + Build, Brighton, East Sussex, BN3 £21,688
RA Construction, Kemptown, BN2 £21,744
MCO Building Contractors Ltd, East Sussex, BN1 £21,792
KEN BUILDING, Hove, BN3 £21,712
Proper Copper Design, East Sussex, BN3 £21,792

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Brighton and Hove£30£219
Flat Roof Extension near Brighton£30£219
Flat Roof Extension near Shoreham-by-Sea£31£217
Flat Roof Extension near Burgess Hill£31£208
Flat Roof Extension near Lancing£32£219
Flat Roof Extension near Worthing£31£222
Flat Roof Extension near Haywards Heath£30£222
Flat Roof Extension near Seaford£30£214
Flat Roof Extension near Mid Sussex£30£224
Flat Roof Extension near Rustington£32£220