Extend your Derryadd with an extension

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Flat roof extension cost in Derryadd

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 Derryadd?

A flat roof extension ranges from the cheapest of £21,072 (Extended living by Gilbert-Ash based in BT12) to the dearest of £21,600 (GMC Construction based in BT70), 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 Derryadd by posting a job with HaMuch. We'll send it to extension builders in Derryadd.

Estimates for flat roof extension near Derryadd

Estimates for common extension builder jobs in Derryadd;

JobEstimate
Underpinning a house£16,697
Build a two storey extension£86,796
Build a timber frame extension£25,197
Install a swimming pool£80,197
Cost to build a single storey extension£38,944
Cost to build a side return extension£32,469
Install an RSJ£1,397
Build an outbuilding£9,197
Build a mansard loft conversion£51,197
Cost of a loft conversion£26,224
Build a kitchen extension£41,197
Build a hip to gable loft conversion£41,197
Build a granny annexe£86,197
Build a garden office£9,197
Convert a garage£15,197
Build a new garage£17,697
Build a flat roof extension£21,197
Build a dormer loft conversion£41,197
Lay a concrete foundation£5,447
Convert a bungalow loft£28,197
Basement conversion cost£28,469
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Rates for other Derryadd 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
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Removals and Storage
Roofer
Tiler
Window Fitter
Flat roof extension cost in Derryadd
Estimate Flat roof extension cost in Derryadd based on hourly/daily rate (excluding VAT or callout charges)
Business name Flat roof extension cost
The Method Group, Gibson's Hill, Craigavon, BT66 £21,224
R.J Builders, Aghagallon, BT67 £21,144
Power Construction, Drumgor, BT65 £21,224
Terry Design, Belfast, Armagh, BT62 £21,504
G K Contracts Building & Joinery, Banbridge, BT32 £21,416
T.I Building, Ballinderry, BT28 £21,104
Finch Construction NI, Antrim, BT28 £21,184
Belfast Loft Company, Belfast, BT17 £21,104
H.M.Builders, Andersonstown, BT11 £21,096
Extended living by Gilbert-Ash, 47 Boucher Road, Belfast, BT12 £21,072
Mount Oriel Conversions & Extensions, Belfast, BT8 £21,096
C.H Property Services, Falls Road, BT12 £21,088
AK Building Services, Carryduff, BT8 £21,152
JP&S Construction Ltd, 8 Derraghadoan Road, Dungannon, Tyrone, BT70 £21,384
McEvoy Building & Joinery, Cregagh, BT6 £21,096
SM Plumbing & Heating, Ormeau, BT7 £21,088
MIRKOW, Cregagh, BT6 £21,088
Firenstack Solutions, Cregagh, BT6 £21,080
GMC Construction, Dungannon, BT70 £21,600
Oakmore Contracts, Magherafelt, BT45 £21,200

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Flat Roof Extension near Waringstown£21£146
Flat Roof Extension near Craigavon£22£170
Flat Roof Extension near Maghaberry£27£175
Flat Roof Extension near Hillsborough and Culcavy£21£141
Flat Roof Extension near Lisburn£20£139
Flat Roof Extension near Crumlin£22£168
Flat Roof Extension near Coalisland£21£173
Flat Roof Extension near Carryduff£19£130
Flat Roof Extension near Ballynahinch£15£150
Flat Roof Extension near Belfast£19£132