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R&J Building Services Ltd
Need an Extension Builder in Arlesey? R&J Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering job...
"Side return extension" - SG4, job posted 01/03/26
HB Construction
Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in Arlesey. No obligation free quotes and...
"Tender: Kitchen Extension Works – Dunstable Invitation to tender for a kitchen extension at 39 Spinney Crescent, LU1 1AS. Works start 12 May 2025 and run through 12 Aug 2025. No contract value listed. Open procedure (below threshold). Bids due by 22 Apr 2025, 12:05pm. Includes demolition &..." - SG17, job posted 11/04/25
WILLMOTT DIXON CONSTRUCTION LI
Need an Extension Builder in Arlesey? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extension builderin...
"Tender: Kitchen Extension Works – Dunstable Invitation to tender for a kitchen extension at 39 Spinney Crescent, LU1 1AS. Works start 12 May 2025 and run through 12 Aug 2025. No contract value listed. Open procedure (below threshold). Bids due by 22 Apr 2025, 12:05pm. Includes demolition" - SG17, job posted 11/04/25
G B BUILDSTORE LTD
Gary Braine
Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in Arlesey. No obligation free quotes ...
"Single storey extension" - LETCHWORTH, job posted 30/05/24
M SPINDLER CONSTRUCTION LTD
Need an Extension Builder in Arlesey? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering j...
TCL BUILDING SOLUTIONS LTD
TCL BUILDING SOLUTIONS LTD are here to help customers who need an Extension Builder in Arlesey. We offer a competitive rate to complete all your ex...
£48/hr
£265/day
North Hertfordshire Construction Ltd
James Hogbourne
For more than 10 years, North Hertfordshire Construction LTD have been the name you can trust when it comes to building and development! We are kno...
£43/hr
£284/day
Harris Building Solutions Limited
Harris Building Solutions Limited is an established extension buildering business in Arlesey. We come highly recommended and provide competitive qu...
£42/hr
£279/day
Stevenage Roofing Services
We are a local roofing company offering a complete roofing service.We provide one of the most cost effective, reliable roofing services in and ...
£44/hr
£301/day
M P BUILDING LIMITED
M P BUILDING LIMITED is an established and experienced local extension builder in Arlesey. Please contact us for a free, no obligation quote and co...
£23/hr
£213/day
L P L Property Services Limited
Need an Extension Builder in Arlesey? L P L Property Services Limited has been helping local clients (20 mile radius) with their extension builderi...
£42/hr
£295/day
Specialist Building Refurbishm
Experienced extension builder ready to quote for your work. Specialist Building Refurbishm is the best extension builder in Arlesey. No obligation ...
£47/hr
£321/day
O & E Developments Ld
We strive for quality for our clients. With over 37 years experience in the building industry we can offer a full service for our clients including...
£42/hr
£284/day
Prive Consultancy Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£44/hr
£291/day
David Douglas Developments
Our building services company David Douglas Developments has over 30 years’ experience, and built an established reputation of providing customer...
£76/hr
£270/day
Precision Roofing & Building Maintenance
Andy N
Experienced extension builder ready to quote for your work. Precision Roofing & Building Maintenance is the best extension builder in Arlesey. No o...
£43/hr
£286/day
MG Design & Build
Realise Your Luxury Dream Home With The Design And Build Partner You Can Trust.At MG Design & Build we have over 25 years of experience in the cons...
£42/hr
£260/day
MLE Construction Ltd
MLE Construction Ltd prides in delivering an excellent extension buildering service and value for money in Arlesey and the surrounding areas. Our ...
£43/hr
£271/day
Gilbert & Gregson Construction Ltd
Need an Extension Builder in Arlesey? Gilbert & Gregson Construction Ltd has been helping local clients (20 mile radius) with their extension build...
£41/hr
£266/day
Draincall Services Ltd
Draincall Services Ltd is a trusted extension builder serving customers in Arlesey and the surrounding area. Contact us to today to get a competiti...
Compare Arlesey extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Letchworth | £44 | £283 |
| Extension Builders near North Hertfordshire | £44 | £283 |
| Extension Builders near Biggleswade | £41 | £268 |
| Extension Builders near Hitchin | £43 | £283 |
| Extension Builders near Stevenage | £44 | £282 |
| Extension Builders near Mid Bedfordshire | £42 | £276 |
| Extension Builders near Ampthill | £38 | £258 |
| Extension Builders near Luton | £42 | £279 |
| Extension Builders near Kempston | £44 | £273 |
| Extension Builders near Bedford | £45 | £278 |
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £26,248

Garden office - £10,248

Granny annexe - £87,248

Build a flat roof extension - £22,248

Convert a Garage - £16,248

Hip to gable loft conversion - £42,248

Convert a bungalow loft - £29,248

Build a dormer loft conversion - £42,248

Build a swimming pool - £81,248

Build a Mansard loft conversion - £52,248

Concrete foundations - £6,498

Underpin a building - £17,748

Two storey extension - £88,372

Convert a basement - £40,290

Side return extension - £44,290

Loft conversion - £36,075

Garage - £18,748

Single storey extension - £59,960

Outbuilding - £10,248

Install an RSJ - £2,448

Build a kitchen extension - £42,248
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