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Flat roof extension cost in BB12

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 BB12?

A flat roof extension ranges from the cheapest of £21,512 (NOBLETT BUILDING SERVICES based in BB7) to the dearest of £21,624 (Pennine Building Services based in Bb10), 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 BB12 by posting a job with HaMuch. We'll send it to extension builders in BB12.

Estimates for flat roof extension near BB12

Estimates for common extension builder jobs in BB12;

JobEstimate
Underpinning a house£17,056
Build a two storey extension£87,333
Build a timber frame extension£25,556
Install a swimming pool£80,556
Cost to build a single storey extension£46,110
Cost to build a side return extension£36,500
Install an RSJ£1,756
Build an outbuilding£9,556
Build a mansard loft conversion£51,556
Cost of a loft conversion£29,583
Build a kitchen extension£41,556
Build a hip to gable loft conversion£41,556
Build a granny annexe£86,556
Build a garden office£9,556
Convert a garage£15,556
Build a new garage£18,056
Build a flat roof extension£21,556
Build a dormer loft conversion£41,556
Lay a concrete foundation£5,806
Convert a bungalow loft£28,556
Basement conversion cost£32,500
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Rates for other BB12 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 BB12
Estimate Flat roof extension cost in BB12 based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
Renovasion badrom, Barliy, BB10 £21,560
Usaim Builders, Cliviger, BB10 £21,552
CROSS CONSTRUCTION LTD, Cliviger, BB10 £21,544
Ray's Property Services, Burnley, BB11 £21,560
Probuild Construction, Nelson, BB9 £21,552
Garage Door Services Lancashire, Nelson, BB9 £21,552
Pennine Building Services, Lancashire, Bb10 £21,624
M.A Martins, Cliviger, BB10 £21,560
Ken Thomas Property Repairs, Nelson, BB9 £21,560
A M BUILDING MAINTAINANCE, Nelson, BB9 £21,520
RJ BUILDERS CONSTRUCTION, Nelson, BB9 £21,600
Darren Gaynor, Accrington, BB5 £21,568
SMH Joinery & Building, Rawtenstall, BB4 £21,576
Simply Damp Proofing, Dinckley, BB6 £21,544
NOBLETT BUILDING SERVICES, Clitheroe, BB7 £21,512
CPS, Nelson, BB9 £21,544
Garage Conversions by Joe Hanlon, Accrington, BB5 £21,576
Buildscape, Rawtenstall, BB4 £21,576
Broadley Construction, Rossendale, Lancashire, BB4 £21,560
B&C Joinery & Renovation, Clitheroe, BB7 £21,520
FTL Building & Maintenance, Colne, BB8 £21,568
J A HOLMES BUILDING CONTR, Clitheroe, BB7 £21,536
J. Grimshaw, Accrington, BB5 £21,544
Cherbale Property, Rawtenstall, BB4 £21,560
WM Brickwork & Pointing, Blackburn, BB1 £21,520

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Burnley£26£193
Flat Roof Extension near Nelson£24£190
Flat Roof Extension near Accrington£29£215
Flat Roof Extension near Rawtenstall£26£190
Flat Roof Extension near Blackburn£29£215
Flat Roof Extension near Darwen£30£223
Flat Roof Extension near Calderdale£28£217
Flat Roof Extension near Rochdale£25£188
Flat Roof Extension near Bury£26£192
Flat Roof Extension near Heywood£26£191