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Flat roof extension cost in CT11

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 CT11?

A flat roof extension ranges from the cheapest of £20,960 (S MEGSON CONSTRUCTION based in CT5) to the dearest of £21,648 (Gilson Construction based in CT6), 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 CT11 by posting a job with HaMuch. We'll send it to extension builders in CT11.

Estimates for flat roof extension near CT11

Estimates for common extension builder jobs in CT11;

JobEstimate
Underpinning a house£16,968
Build a two storey extension£87,201
Build a timber frame extension£25,468
Install a swimming pool£80,468
Cost to build a single storey extension£44,350
Cost to build a side return extension£35,510
Install an RSJ£1,668
Build an outbuilding£9,468
Build a mansard loft conversion£51,468
Cost of a loft conversion£28,758
Build a kitchen extension£41,468
Build a hip to gable loft conversion£41,468
Build a granny annexe£86,468
Build a garden office£9,468
Convert a garage£15,468
Build a new garage£17,968
Build a flat roof extension£21,468
Build a dormer loft conversion£41,468
Lay a concrete foundation£5,718
Convert a bungalow loft£28,468
Basement conversion cost£31,510
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Rates for other CT11 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 CT11
Estimate Flat roof extension cost in CT11 based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
Cox Building Contractors, Margate, CT11 £21,448
FRK Building Services, Kent, CT12 £21,200
Paragon Stone Design, Kent, CT10 £21,568
Coast Projects, Kent, CT10 £21,568
Bespoke building projects, Kent, CT10 £21,568
BERRY BUILDING CONTRACTORS, Broadstairs, CT10 £21,408
GDB CONSTRUCTION, Margate, CT9 £21,456
BOYCE BUILDING, Margate, CT9 £21,448
Teekay solutions Limited, Kent, CT9 £21,568
Wells & Co, Kent, CT10 £21,536
Christian Builders Margate Ltd, Ramsgate, Kent, CT12 £21,432
Christian Builders Margate Ltd, Kent, CT12 £21,584
B H G M Ltd, Birchington, CT7 £21,200
4D BUILDERS LTD , Dover, CT14 £21,464
DWJ Roofing, Canterbury, CT3 £21,504
Gilson Construction, Kent, CT6 £21,648
Harts Brickwork, Driveways & Landscaping, Herne Bay , CT6 £21,440
Modularr, Kent, Ct2 £21,640
D ARTHURS GENERAL BUILDER, Sturry, CT2 £21,544
GREEN CONSTRUCTION LTD, Canterbury, CT1 £21,528
Cosbuild and Maintenance ltd, Kent, CT17 £21,616
A-Pex Building, Dover, CT17 £21,200
5 Ways Carpentry, Kent, CT15 £21,624
S MEGSON CONSTRUCTION, Whitstable, CT5 £20,960
M LONG T/A MJ BUILDINGS, Folkestone, CT19 £21,536

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Margate£24£187
Flat Roof Extension near Ramsgate£24£187
Flat Roof Extension near Broadstairs£24£187
Flat Roof Extension near Thanet£24£187
Flat Roof Extension near Deal£22£174
Flat Roof Extension near Herne Bay£24£184
Flat Roof Extension near Canterbury£28£211
Flat Roof Extension near Dover£25£199
Flat Roof Extension near Whitstable£24£184
Flat Roof Extension near Folkestone£27£203