Build a single storey extension in Cardiff from £15,160

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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 £15,160 (Cardiff maintenance & flooring rubbish removal based in CF24) to the dearest single storey extension £47,000 (Hormuz Ltd 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£16,922
Build a two storey extension£87,133
Build a timber frame extension£25,422
Install a swimming pool£80,422
Cost to build a single storey extension£43,442
Cost to build a side return extension£34,998
Install an RSJ£1,622
Build an outbuilding£9,422
Build a mansard loft conversion£51,422
Cost of a loft conversion£28,332
Build a kitchen extension£41,422
Build a hip to gable loft conversion£41,422
Build a granny annexe£86,422
Build a garden office£9,422
Convert a garage£15,422
Build a new garage£17,922
Build a flat roof extension£21,422
Build a dormer loft conversion£41,422
Lay a concrete foundation£5,672
Convert a bungalow loft£28,422
Basement conversion cost£30,998
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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
Hormuz Ltd, Cardiff, CF10 £47,000
RENCO CONSTRUCTION, Adamsdown, CF24 £45,240
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
Cardiff maintenance & flooring rubbish removal , Cardiff, CF24 £15,160
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
NORTON BUILD, Llanishen, CF23 £45,240
CJ BUILDING SERVICES, Ely, CF5 £45,080
Penarth Building & Landscaping, Penarth, CF64 £45,880
Vencer Ltd, Cardiff, CF14 £45,400
R. Hughes Designs, Cardiff, Cardiff, CF23 £43,960

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Get extension builder rates instantly (excluding VAT or callout charges)
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