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Flat roof extension cost in Downend

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 Downend?

A flat roof extension ranges from the cheapest of £21,728 (SOUTH WEST ELITE BUILDING CONT based in BS16) to the dearest of £22,048 (Clever construction based in BS7), 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 Downend by posting a job with HaMuch. We'll send it to extension builders in Downend.

Estimates for flat roof extension near Downend

Estimates for common extension builder jobs in Downend;

JobEstimate
Underpinning a house£17,294
Build a two storey extension£87,691
Build a timber frame extension£25,794
Install a swimming pool£80,794
Cost to build a single storey extension£50,878
Cost to build a side return extension£39,182
Install an RSJ£1,994
Build an outbuilding£9,794
Build a mansard loft conversion£51,794
Cost of a loft conversion£31,818
Build a kitchen extension£41,794
Build a hip to gable loft conversion£41,794
Build a granny annexe£86,794
Build a garden office£9,794
Convert a garage£15,794
Build a new garage£18,294
Build a flat roof extension£21,794
Build a dormer loft conversion£41,794
Lay a concrete foundation£6,044
Convert a bungalow loft£28,794
Basement conversion cost£35,182
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Rates for other Downend 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 Downend
Estimate Flat roof extension cost in Downend based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
Globe Heating Ltd, AVON, BS16 £21,816
PWT Builders Ltd, Somerset, BS16 £21,816
SMJ Construction, Downend, BS16 £21,736
ST GEORGES HOMES (UK) LTD, Bristol, BS16 £22,000
24 7 BUILDING SOLUTIONS LTD, Downend, BS16 £21,736
Integrate Design and Build, Bristol, BS16 £21,744
HYATT BUILDING SERVICES, Downend, BS16 £21,736
GARY G BOND LIMITED, Bristol, BS16 £22,000
Building & Property Maintenance, Avon, BS15 £21,824
SOUTH WEST ELITE BUILDING CONT, Downend, BS16 £21,728
S JOYCE BUILDING, Kingswood, BS15 £21,744
Built Square Construction, Bristol, BS16 £21,824
Concept Solutions Bristol Ltd, Kingswood, BS15 £21,736
ABC Home Improvement, Easton, BS5 £21,776
MR BUILDING SERVICES, Downend, BS16 £21,736
Sps construction , Bristol , BS16 £21,728
Claro Design and Build, Bristol, Bristol, BS5 £21,768
A1 Plumbing Services, Bristol, BS5 £21,768
J GREEN PLASTERING LTD, Easton, BS5 £21,824
R W BUILDING WORKS, Kingswood, BS15 £21,744
Red's Building Services, Brislington, BS4 £21,776
ASHWIN CONSTRUCTION, Bitton, BS30 £21,744
Natural Design and Build, Bristol, Bristol, BS5 £21,760
BS Knapp Ltd, 194 North Road, Stoke Gifford, Bristol, Bristol, BS34 £21,736
Clever construction , Bristol, BS7 £22,048

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Kingswood£29£223
Flat Roof Extension near South Gloucestershire£29£223
Flat Roof Extension near Bristol£29£222
Flat Roof Extension near Bradley Stoke£29£221
Flat Roof Extension near Clifton£29£222
Flat Roof Extension near Keynsham£29£223
Flat Roof Extension near Yate£28£223
Flat Roof Extension near Portishead£29£221
Flat Roof Extension near Bath£28£220
Flat Roof Extension near North Somerset£29£216