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Peter's Gutters
Peter Rourke
Trusted and professional extension builder in Dacorum. Experienced in all extension buildering work and keeping within budget and on quote. Peter's...
"Kitchen extension" - HEMEL HEMPSTEAD, job posted 21/09/25
IC Builders
IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...
"Single storey extension" - HEMEL HEMPSTEAD, job posted 07/09/25
EB Construction & Building Ltd
Edmond Begu
EB Construction & Building Ltd are here to help customers who need an Extension Builder in Dacorum. We offer a competitive rate to complete all you...
"Single storey extension" - HEMEL HEMPSTEAD, job posted 19/04/25
J Pellow & Son Ltd
J Pellow & Son Ltd are here to help customers who need an Extension Builder in Dacorum. We offer a competitive rate to complete all your extension ...
"Loft conversion" - HEMEL HEMPST, job posted 02/02/25
Apollo Decor Ltd
Bradley Stevens
Experienced extension builder ready to quote for your work. Apollo Decor Ltd is the best extension builder in Dacorum. No obligation free quotes an...
"Loft conversion" - DACORUM, job posted 24/06/24
BALECOURT BUILDERS LIMITED
Sats MALHOTRA
BEEN AROUND A LONG TIME, WE WILL ONLY NOW TAKE ON ONE CONTRACT AT A TIME, WHEN ONES FINISHING WE START THE NEXT ONE IF POSSABLE, THUS GIVING ...
"Do not use this company, they caused over £350000 worth defects on a new build, this is still ongoing, property built in 2009, still having issues in 2018." - LONDON,reviewed 02/02/18, CLIVE BOWDEN
1st Choice Builders UK
Experienced extension builder ready to quote for your work. 1st Choice Builders UK is the best extension builder in Dacorum. No obligation free quo...
"Loft conversion Loft conversion" - DACORUM, job posted 03/06/24
Timeless Interiors
Personable and individual interior design service designed around what you love.
A&T Building
Andy
A&T Building is an established extension buildering business in Dacorum. We come highly recommended and provide competitive quotes for your work.
Conversion Property and Electrical Services
Our building services company Conversion Property and Electrical Services has 17 years of experience in the industry. We have been helping customer...
KATELL PROPERTY MAINTENANCE
KATELL PROPERTY MAINTENANCE is a trusted extension builder serving customers in Dacorum and the surrounding area. Contact us to today to get a comp...
BOXMOOR BLDG & CARP SERVICES
Dave Reilly
BOXMOOR BLDG & CARP SERVICES is a trusted extension builder serving customers in Dacorum and the surrounding area. Contact us to today to get a com...
BARRETT LESLIE BUILDING
BARRETT LESLIE BUILDING are here to help customers who need an Extension Builder in Dacorum. We offer a competitive rate to complete all your exten...
Brinklow Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Simon Johnson & Sons Builders
Simon Johnson
Simon Johnson & Sons Builders are here to help customers who need an Extension Builder in Dacorum. We offer a competitive rate to complete all your...
Tonybuild
Relax... you have found a reliable extension builder in Dacorum. Tonybuild is a friendly and reliable company based in Dacorum who consider no job ...
Eeoc
Emilian Czeiszperger
Hello I am Emilian , the proud owner of Eeoc Ltd, A little about me With many happy and returning customers over the last 14 years, y...
R.O Allum & Sons
We are a family run business that has been trading since 1976 in Tring, Berkhamsted and surrounding areas.
GURNEY CONSTRUCTION
Relax... you have found a reliable extension builder in Dacorum. GURNEY CONSTRUCTION is a friendly and reliable company based in Dacorum who consid...
JCG BUILDING SERVICES LTD
Need an Extension Builder in Dacorum? JCG BUILDING SERVICES LTD has been helping local clients (20 mile radius) with their extension buildering job...
Compare Dacorum extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Dacorum | £42 | £275 |
| Extension Builders near Hemel Hempstead | £43 | £276 |
| Extension Builders near Berkhamsted | £41 | £273 |
| Extension Builders near Chesham | £42 | £277 |
| Extension Builders near St Albans | £43 | £272 |
| Extension Builders near Rickmansworth | £43 | £282 |
| Extension Builders near Harpenden | £45 | £282 |
| Extension Builders near Watford | £43 | £280 |
| Extension Builders near Bushey | £43 | £278 |
| Extension Builders near Dunstable | £41 | £274 |
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 - £26,232

Garden office - £10,232

Granny annexe - £87,232

Build a flat roof extension - £22,232

Convert a Garage - £16,232

Hip to gable loft conversion - £42,232

Convert a bungalow loft - £29,232

Build a dormer loft conversion - £42,232

Build a swimming pool - £81,232

Build a Mansard loft conversion - £52,232

Concrete foundations - £6,482

Underpin a building - £17,732

Two storey extension - £88,348

Convert a basement - £40,110

Side return extension - £44,110

Loft conversion - £35,925

Garage - £18,732

Single storey extension - £59,640

Outbuilding - £10,232

Install an RSJ - £2,432

Build a kitchen extension - £42,232
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