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Flat roof extension cost in MK3

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 MK3?

A flat roof extension ranges from the cheapest of £21,600 (R&R CONSTRUCTION based in MK12) to the dearest of £22,016 (GDM Electrical Buckinghamshire Ltd based in LU7), 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 MK3 by posting a job with HaMuch. We'll send it to extension builders in MK3.

Estimates for flat roof extension near MK3

Estimates for common extension builder jobs in MK3;

JobEstimate
Underpinning a house£17,347
Build a two storey extension£87,770
Build a timber frame extension£25,847
Install a swimming pool£80,847
Cost to build a single storey extension£51,934
Cost to build a side return extension£39,776
Install an RSJ£2,047
Build an outbuilding£9,847
Build a mansard loft conversion£51,847
Cost of a loft conversion£32,313
Build a kitchen extension£41,847
Build a hip to gable loft conversion£41,847
Build a granny annexe£86,847
Build a garden office£9,847
Convert a garage£15,847
Build a new garage£18,347
Build a flat roof extension£21,847
Build a dormer loft conversion£41,847
Lay a concrete foundation£6,097
Convert a bungalow loft£28,847
Basement conversion cost£35,776
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Rates for other MK3 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 MK3
Estimate Flat roof extension cost in MK3 based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
S AND M BUILDERS , Church Green, MK3 £21,888
BURCROFT BUILDERS, Church Green, MK3 £21,888
GD RAWLINGS BUILDING, Church Green, MK3 £21,896
Go-Large Design & Build Ltd, Church Green, MK3 £21,800
Highland Homes & Gardens, Shenley Brook End, MK4 £21,808
Dallcompanies Limited, Buckinghamshire, MK4 £21,976
A J S Building Work, Woughton On The Green, MK6 £21,888
Building Better Spaces, Buckinghamshire, MK2 £21,984
OD Building Maintenance, Shenley Church End, MK5 £21,800
Tailor Made Builders, Woughton On The Green, MK6 £21,888
Atkins Home Improvements, Milton Keynes, MK6 £21,640
JAB, Buckinghamshire, MK4 £21,968
Langton Build, Shenley Church End, MK5 £21,792
STARGRADE CONSTRUCTION LTD, Loughton, MK8 £21,896
HydroGas Services Ltd, Buckinghamshire, MK9 £21,968
PGR Building, Woughton On The Green, MK6 £21,888
Asanta Builder, Stantonbury, MK14 £21,792
Dean Prichard Building Services, Bradwell, MK13 £21,792
GDM Electrical Buckinghamshire Ltd, Bedfordshire, LU7 £22,016
MBP Construction Ltd, Milton Keynes, MK17 £21,680
Smart Skim Plastering, New Bradwell, Milton, MK13 £21,768
Alexander Bradshaw LTD, Buckinghamshire, MK12 £21,800
JA Project Management Services, Buckinghamshire, MK14 £21,952
Hyatt and Co Building Services, Buckinghamshire, MK12 £21,800
R&R CONSTRUCTION, Milton Keynes, MK12 £21,600

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Bletchley£34£227
Flat Roof Extension near Milton Keynes£33£226
Flat Roof Extension near Leighton Buzzard£33£235
Flat Roof Extension near Aylesbury Vale£34£230
Flat Roof Extension near Ampthill£31£214
Flat Roof Extension near Mid Bedfordshire£34£225
Flat Roof Extension near Dunstable£36£235
Flat Roof Extension near Aylesbury£36£236
Flat Roof Extension near Kempston£37£230
Flat Roof Extension near South Bedfordshire£38£233