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Flat roof extension cost in CB4

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 CB4?

A flat roof extension ranges from the cheapest of £21,760 (SK Builders and Decorators Ltd based in CB4) to the dearest of £23,200 (ALLIED BUILDING ASSOCIATES LTD based in CB22), 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 CB4 by posting a job with HaMuch. We'll send it to extension builders in CB4.

Estimates for flat roof extension near CB4

Estimates for common extension builder jobs in CB4;

JobEstimate
Underpinning a house£17,400
Build a two storey extension£87,849
Build a timber frame extension£25,900
Install a swimming pool£80,900
Cost to build a single storey extension£52,990
Cost to build a side return extension£40,370
Install an RSJ£2,100
Build an outbuilding£9,900
Build a mansard loft conversion£51,900
Cost of a loft conversion£32,808
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£36,370
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Rates for other CB4 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 CB4
Estimate Flat roof extension cost in CB4 based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
SK Builders and Decorators Ltd , Cambridge, CB4 £21,760
SturdyBuild, 34 Thornton Close, Cambridge, Cambridgeshire, CB3 £21,848
Baufritz (UK) Limited, Baufritz UK, Cambridge, Cambridgeshire, CB3 £21,848
Coulson Building Group, William James House, Cowley Road, Cambri, CB4 £21,856
WESTWICK BUILDERS LIMITED, Over, CB24 £21,832
CREATIVE BUILDING & LANDSCAPE, Over, CB24 £21,832
CROWNBUILD, Cambrigde Central South, CB1 £21,840
SP-Building Services Ltd, Cambridge, CB5 £21,856
Louise Swarbrick Design, Cambridgeshire, CB3 £21,928
Beaumont Construction, Cambridge, Cambridge, Cambridgeshire, CB1 £21,856
IJC Building Services Ltd, Highfields, CB23 £21,848
D Stebbings, Cambrigde Central South, CB1 £21,832
TSN Consultants Ltd, Cambridge, CB1 £21,864
Emerald Carpentry & Building Services Ltd, Cambridge, CB24 £21,920
Fenlake Construction, Cambridgeshire, CB23 £21,936
EXP Property Maintenance, Suite 18, Middle Court Copley Hill Busin, CB22 £21,848
James Burch Roofing, Great Cambourne, Cam, CB23 £21,760
All In One Building Services, Lode, CB25 £21,800
DEBRAY BUILDERS, Little Shelford, CB22 £21,832
B S V CONSTRUCTION SER LTD, Downham, CB6 £21,824
Find a Handyman (Neil), Little Shelford, CB22 £21,840
Silverwood Construction (Cambridge) Ltd, Bluntisham, PE28 £21,880
ALLIED BUILDING ASSOCIATES LTD, Cambridge, CB22 £23,200
Bespoke Build and Restoration ltd, Cambridge, Cambridgeshire, CB25 £21,832
Foreman & Hill, Lode, Lode, Cambridgeshire, CB25 £21,816

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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Cambridge£33£234
Flat Roof Extension near South Cambridgeshire£37£258
Flat Roof Extension near Ely£32£230
Flat Roof Extension near Huntingdon£31£236
Flat Roof Extension near St Neots£42£256
Flat Roof Extension near Haverhill£32£221
Flat Roof Extension near Huntingdonshire£29£240
Flat Roof Extension near Biggleswade£35£229
Flat Roof Extension near Letchworth£37£239
Flat Roof Extension near North Hertfordshire£37£238