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Flat roof extension cost in BT45

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 BT45?

A flat roof extension ranges from the cheapest of £21,200 (Oakmore Contracts based in BT45) to the dearest of £21,600 (FJS CONTRACTS LTD based in BT45), 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 BT45 by posting a job with HaMuch. We'll send it to extension builders in BT45.

Estimates for flat roof extension near BT45

Estimates for common extension builder jobs in BT45;

JobEstimate
Underpinning a house£16,943
Build a two storey extension£87,165
Build a timber frame extension£25,443
Install a swimming pool£80,443
Cost to build a single storey extension£43,860
Cost to build a side return extension£35,234
Install an RSJ£1,643
Build an outbuilding£9,443
Build a mansard loft conversion£51,443
Cost of a loft conversion£28,528
Build a kitchen extension£41,443
Build a hip to gable loft conversion£41,443
Build a granny annexe£86,443
Build a garden office£9,443
Convert a garage£15,443
Build a new garage£17,943
Build a flat roof extension£21,443
Build a dormer loft conversion£41,443
Lay a concrete foundation£5,693
Convert a bungalow loft£28,443
Basement conversion cost£31,234
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Rates for other BT45 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 BT45
Estimate Flat roof extension cost in BT45 based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
FJS CONTRACTS LTD, Magherfelt , BT45 £21,600
Oakmore Contracts, Magherafelt, BT45 £21,200
Seamus Mcmullan building and joinery, Draperstown , BT45 £21,600
C McGurk Building Contractor, Belfast , BT44 £21,280
Luxury Garden Studios, Londonderry, BT47 £21,432
JP&S Construction Ltd, 8 Derraghadoan Road, Dungannon, Tyrone, BT70 £21,384
SF Carpentry, Londonderry, BT51 £21,448
JAMSE CONSTRUCTION LTD, Londonderry, BT47 £21,600

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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Magherafelt£25£200
Flat Roof Extension near Coalisland£21£173
Flat Roof Extension near Dungiven£21£179
Flat Roof Extension near Dungannon£23£186
Flat Roof Extension near Crumlin£22£168
Flat Roof Extension near Coleraine£21£181
Flat Roof Extension near Ballymoney£18£163
Flat Roof Extension near Ballyclare£17£110
Flat Roof Extension near Craigavon£22£170
Flat Roof Extension near Maghaberry£27£175