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Flat roof extension cost in NN9

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 NN9?

A flat roof extension ranges from the cheapest of £21,440 (A G Hicks Building Services based in NN3) to the dearest of £22,800 (STRANDOR ROOFING LTD based in NN6), 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 NN9 by posting a job with HaMuch. We'll send it to extension builders in NN9.

Estimates for flat roof extension near NN9

Estimates for common extension builder jobs in NN9;

JobEstimate
Underpinning a house£17,197
Build a two storey extension£87,545
Build a timber frame extension£25,697
Install a swimming pool£80,697
Cost to build a single storey extension£48,933
Cost to build a side return extension£38,087
Install an RSJ£1,897
Build an outbuilding£9,697
Build a mansard loft conversion£51,697
Cost of a loft conversion£30,906
Build a kitchen extension£41,697
Build a hip to gable loft conversion£41,697
Build a granny annexe£86,697
Build a garden office£9,697
Convert a garage£15,697
Build a new garage£18,197
Build a flat roof extension£21,697
Build a dormer loft conversion£41,697
Lay a concrete foundation£5,947
Convert a bungalow loft£28,697
Basement conversion cost£34,087
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Rates for other NN9 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 NN9
Estimate Flat roof extension cost in NN9 based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
KMR CONSTRUCTION, Rushden, NN10 £21,648
L & D CONSTRUCTION SERVICE, Rushden, NN10 £21,648
Garden and Building Solutions, Rushden, NN10 £21,608
Shirley Ceramics, Rushden, NN10 £21,600
Home Ryte Construction, Wellingborough, NN8 £21,624
SJS Multitrade Ltd, Northamptonshire, Nn14 £21,784
Surrounding Villages Builders Limited, Northamptonshire, Nn14 £21,784
GARY TAYLOR BUILDERS LTD, Burton Latimer, NN15 £21,600
I Plowright Brickwork, Burton Latimer, NN15 £21,616
Kettering Mobile Sandblasting, Kettering, NN16 £21,608
STRANDOR ROOFING LTD, Earls Barton, Northampton , NN6 £22,800
Jogga Construction, Kettering, NN16 £21,600
MINERAL STAR CONSTRUCTION LTD, Spratton, NN6 £21,640
Captain Stove Direct, Northampton, NN6 £21,520
shawproperty, Aberdeenshire, PE8 £21,816
A G Hicks Building Services, Northampton , NN3 £21,440
A J TOMLIN BUILDING CONTR, Bedford , MK44 £21,776
K B CONTRACTORS (IND) LTD, Kettering, NN14 £21,600
NORTHAMPTON BUILDERS LTD, Northampton , NN7 £21,760
JN Property Maintenance, Northampton, NN3 £21,544
Northants Garage Doors, Boothville, NN3 £21,592
Humphreys Builders, Boothville, NN3 £21,696
Walter Constructions, Northampton, NN3 £21,720
B GS GENERAL BUILDERS, Corby, NN17 £21,640
Kerson Construction Ltd, Tansor, PE8 £21,752

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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Rushden£30£209
Flat Roof Extension near Wellingborough£33£215
Flat Roof Extension near Kettering£29£205
Flat Roof Extension near Corby£27£193
Flat Roof Extension near Northampton£30£202
Flat Roof Extension near Bedford£38£233
Flat Roof Extension near South Bedfordshire£38£233
Flat Roof Extension near Kempston£37£230
Flat Roof Extension near St Neots£42£256
Flat Roof Extension near Huntingdonshire£29£240