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Ellis & James Builders Limited
Darren Spencer
Need an Extension Builder in SS17? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering j...
"My wall outside back it falling down small wall. Repairing my front wall that crumbling. Quote etc. thanks" - SS14, job posted 08/06/26
Keith Andrews Building
Experienced extension builder ready to quote for your work. Keith Andrews Building is the best extension builder in SS17. No obligation free quotes...
"RSJ installation across a 5 metre section of rear wall." - CHAFFORD HUNDRED, job posted 28/07/25
P OUGHTON BUILDING
P OUGHTON BUILDING is an established and experienced local extension builder in SS17. Please contact us for a free, no obligation quote and competi...
"Loft conversion" - THURROCK, job posted 09/07/25
Property Maintenance
Property Maintenance are here to help customers who need an Extension Builder in SS17. We offer a competitive rate to complete all your extension b...
"Two storey side extension and single storey rear extension." - BASILDON, job posted 18/04/25
CLARK CONSTRUCTION
Trusted and professional extension builder in SS17. Experienced in all extension buildering work and keeping within budget and on quote. CLARK CONS...
"Two storey extension" - BASILDON, job posted 18/04/25
DC Construction
Our building services company DC Construction was established in 2015. Since then, we have been helping customers in Upminster and the surrounding ...
"Doma Loft conversion" - THURROCK, job posted 10/02/25
Kaizer Berg Ltd
Kaizer Berg Ltd is an established and experienced local extension builder in SS17. Please contact us for a free, no obligation quote and competitiv...
"Mansard loft conversion" - LAINDON, job posted 25/11/24
£44/hr
£276/day
Browns Contractors
Browns Contractors is a trusted extension builder serving customers in SS17 and the surrounding area. Contact us to today to get a competitive quot...
"Loft conversion" - THURROCK, job posted 12/10/24
£39/hr
£249/day
ICS Decorators
Marsha Senior
Need to find an Extension Builder near you for all your extension buildering work?
ICS Decorators provides a local, trusted extension build...
"Loft conversion" - THURROCK, job posted 12/05/24
£37/hr
£241/day
SC SMITH BUILDING CONTRACTORS
Relax... you have found a reliable extension builder in SS17. SC SMITH BUILDING CONTRACTORS is a friendly and reliable company based in SS17 who co...
"Loft conversion" - STANFORD-LE-HOPE, job posted 14/03/24
£36/hr
£256/day
LG Construction (Essex) Ltd
Experienced extension builder ready to quote for your work. LG Construction (Essex) Ltd is the best extension builder in SS17. No obligation free q...
"Single storey rear extension" - BASILDON, job posted 07/12/23
£38/hr
£244/day
Timber Tech Projects
Timber-tech projects Ltd is a small building company owned and formed by two friends who have collaborated to make a great team. We have an eye for...
"Shed base 10x8 feet size x 6inches" - SS16, job posted 18/11/23
£42/hr
£271/day
Extendahome
Extendahome are here to help customers who need an Extension Builder in SS17. We offer a competitive rate to complete all your extension buildering...
£37/hr
£235/day
Modernise 360 Ltd
At Modernise 360 Ltd we believe that your home should reflect your dreams, tastes, and aspirations. That's why we're here to trans...
Compare SS17 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Stanford-le-Hope | £40 | £254 |
| Extension Builders near Thurrock | £41 | £260 |
| Extension Builders near Basildon | £39 | £251 |
| Extension Builders near Chafford Hundred | £41 | £261 |
| Extension Builders near Grays | £41 | £261 |
| Extension Builders near Canvey Island | £39 | £256 |
| Extension Builders near Gravesend | £40 | £260 |
| Extension Builders near South Ockendon | £42 | £264 |
| Extension Builders near Northfleet | £41 | £261 |
| Extension Builders near Billericay | £38 | £248 |
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 - £26,080

Garden office - £10,080

Granny annexe - £87,080

Build a flat roof extension - £22,080

Convert a Garage - £16,080

Hip to gable loft conversion - £42,080

Convert a bungalow loft - £29,080

Build a dormer loft conversion - £42,080

Build a swimming pool - £81,080

Build a Mansard loft conversion - £52,080

Concrete foundations - £6,330

Underpin a building - £17,580

Two storey extension - £88,120

Convert a basement - £38,400

Side return extension - £42,400

Loft conversion - £34,500

Garage - £18,580

Single storey extension - £56,600

Outbuilding - £10,080

Install an RSJ - £2,280

Build a kitchen extension - £42,080
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