Build a single storey extension in WD25 from £39,800

HaMuch is Excellent
Trustpilot

Extension builder estimates (based on hourly rates) to build a single storey extension in WD25

Range from the cheapest single storey extension £39,800 (Apollo Decor Ltd based in AL2) to the dearest single storey extension £95,000 (Design & Build Builders Ltd based in WD18).
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 WD25 by posting a job with HaMuch and we will send it to extension builders in WD25.

Estimates for single storey extension near WD25

Estimates for common extension builder jobs in WD25;

JobEstimate
Underpinning a house£17,480
Build a two storey extension£87,970
Build a timber frame extension£25,980
Install a swimming pool£80,980
Cost to build a single storey extension£54,597
Cost to build a side return extension£41,273
Install an RSJ£2,180
Build an outbuilding£9,980
Build a mansard loft conversion£51,980
Cost of a loft conversion£33,561
Build a kitchen extension£41,980
Build a hip to gable loft conversion£41,980
Build a granny annexe£86,980
Build a garden office£9,980
Convert a garage£15,980
Build a new garage£18,480
Build a flat roof extension£21,980
Build a dormer loft conversion£41,980
Lay a concrete foundation£6,230
Convert a bungalow loft£28,980
Basement conversion cost£37,273
2. Enter postcode to get estimate
plus materials

to see who is available and get more information


Rates for other WD25 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 WD25
Estimate Single storey extension cost in WD25 based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
Eeoc , Watford , WD25 £63,000
Crown Building, Unit: 324-B, Wenta Centre, Colne Way, Watford, Hertfordshire, WD24 £52,280
J Pellow & Son Ltd, Watford, WD25 £52,120
Murati Building LTD, Garston, WD25 £53,080
Conversion Property and Electrical Services, Hertfordshire, WD24 £54,360
Progressive Design London, Watford, Hertfordshire, WD24 £52,120
Primrose Projects, WATFORD, Hertfordshire, WD17 £52,280
Tonybuild, Watford, WD17 £52,920
EMA Contractors, Hertfordshire, AL2 £54,360
PM HOBBS BUILDING SERVICES, Abbots Langley, WD5 £52,920
T N Roofing, Bushey Hall Drive, B, WD23 £52,760
1st Choice Builders UK, West Watford, WD18 £52,920
A&T Building, Watford, WD18 £52,760
Rob Higgs Building & Carpentry, Hertfordshire, WD5 £54,360
Architectural Brickwork Services, Hertfordshire, WD19 £54,360
Frame Brickwork, West Watford, WD18 £52,920
Design & Build Builders Ltd, Watford, WD18 £95,000
Griggs Homes, 13 Beaumont gate, Radlett, wd7 £52,120
Apollo Decor Ltd, St Albans, AL2 £39,800
ARI Studio LTD, 7 Bridge Court, Craigmount, Radlett, Her, WD7 £52,120
AVENUE BUILDERS, Bushey Heath, WD23 £52,760
Total Refurbishment & Build, Kings Langley, WD4 £52,920
M DUNNE BUILDER, Kings Langley, WD4 £52,760
Evolved Glazing Solutions Limited, Hemel Hempstead, HP3 £55,000
D ROSE BUILDING SERVICES, Rickmansworth, WD3 £52,920

Get extension builder rates instantly

Get extension builder rates instantly
Borough in London
Single Storey Extension in Garston
Single Storey Extension in North Watford
Single Storey Extension in Potters Bar
Single Storey Extension in Watford
Single Storey Extension in Abbots Langley
Single Storey Extension in Watford
Single Storey Extension in West Watford
Single Storey Extension in Bushey Heath
Single Storey Extension in Kings Langley
Single Storey Extension in Radlett