Build a single storey extension in Cardiff from £34,200

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Extension builder estimates (based on hourly rates) to build a single storey extension in Cardiff

Range from the cheapest single storey extension £34,200 (PK CONSTRUCTION based in CF14) to the dearest single storey extension £47,000 (Studio369 based in CF10).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in Cardiff by posting a job with HaMuch and we will send it to extension builders in Cardiff.

Estimates for single storey extension near Cardiff

"Single storey extension"

CF24



Estimates for common extension builder jobs in Cardiff;

JobEstimate
Underpinning a house£16,955
Build a two storey extension£87,183
Build a timber frame extension£25,455
Install a swimming pool£80,455
Cost to build a single storey extension£44,107
Cost to build a side return extension£35,373
Install an RSJ£1,655
Build an outbuilding£9,455
Build a mansard loft conversion£51,455
Cost of a loft conversion£28,644
Build a kitchen extension£41,455
Build a hip to gable loft conversion£41,455
Build a granny annexe£86,455
Build a garden office£9,455
Convert a garage£15,455
Build a new garage£17,955
Build a flat roof extension£21,455
Build a dormer loft conversion£41,455
Lay a concrete foundation£5,705
Convert a bungalow loft£28,455
Basement conversion cost£31,373
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Rates for other Cardiff 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
Single storey extension cost in Cardiff
Estimate Single storey extension cost in Cardiff based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
AK Enterprise (GB) Limited, Cardiff, CF11 £39,000
MCp Home Improvements, Adamsdown, CF24 £45,400
JA Building Maintenance, Grangetown, CF11 £45,560
TOR BUILD, Adamsdown, CF24 £45,240
Charles James Developments, 13 Wellfield Road, Cardiff, South Glamorgan, CF24 £44,120
HECTOR CONSTRUCTION, Llanishen, CF23 £45,080
Studio369, Cardiff, CF10 £47,000
Heath Windows & Doors Ltd, 105 Portmanmoor Road Industrial Estate, , CF24 £47,000
TGH & Sons, 8 greenlawns, cyncoed, cardiff, Cardiff, cf23 £44,120
K WALKER CONSTRUCTION, Llanishen, CF23 £45,080
River Gods Limited, S Glam, CF14 £46,840
PK CONSTRUCTION, Rhiwbina, CF14 £34,200
MGKB Ltd, Llanishen, CF23 £45,400
CAMWOOD BUILDING SERVICES, Ely, CF5 £45,080
RDL BUILDING SERVICES LTD, Ely, CF5 £43,800
Chapman Builders, Ely, CF5 £45,400
The Philog Paving Services, Rhiwbina, CF14 £44,760
CJ BUILDING SERVICES, Ely, CF5 £45,080
Penarth Building & Landscaping, Penarth, CF64 £45,880
R. Hughes Designs, Cardiff, Cardiff, CF23 £43,960
Forty Builders Ltd, Cardiff, Cardiff, Cf23 £43,800
Fusion Fitted Furniture, Rhiwbina, CF14 £44,760
Penarth Loft Conversions Ltd, Penarth, CF64 £34,200
N OBRIEN BUILDING SERVICES, Trowbridge, CF3 £47,000
Smarta living Group, Unit K7, Capital Business Park, Parkway, Cardiff, Cardiff, CF3 £44,920

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Location in UKHourly RateDaily Rate
Single Storey Extension near Cardiff£30£190
Single Storey Extension near Penarth£31£189
Single Storey Extension near Caerphilly£29£181
Single Storey Extension near Barry£29£189
Single Storey Extension near Church Village£30£188
Single Storey Extension near Risca£27£185
Single Storey Extension near Newport£37£200
Single Storey Extension near Pontypridd£29£184
Single Storey Extension near Cwmbran£39£190
Single Storey Extension near Weston-super-Mare£29£216