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R Tredget & Son
R Tredget & Son are here to help customers who need an Extension Builder in Stone. We offer a competitive rate to complete all your extension build...
"Concrete foundation" - DARTFORD, job posted 04/03/26
HOUSE BUILDING SERVICES LIMITED
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Stone and the surrounding area. Contact us to today to get a co...
"Loft conversion" - DARTFORD, job posted 03/02/26
Sevcan Construction
Relax... you have found a reliable extension builder in Stone. Sevcan Construction is a friendly and reliable company based in Stone who consider n...
"Two storey extension" - DARTFORD, job posted 18/12/25
Moss Roofing & Sons
Moss Roofing & Sons is an established and experienced local extension builder in Stone. Please contact us for a free, no obligation quote and compe...
"RSJ installation across a 5 metre section of rear wall." - CHAFFORD HUNDRED, job posted 28/07/25
Keith Andrews Building
Experienced extension builder ready to quote for your work. Keith Andrews Building is the best extension builder in Stone. No obligation free quote...
"Loft conversion" - THURROCK, job posted 09/07/25
SD Build
Need an Extension Builder in Stone? SD Build has been helping local clients (10 mile radius) with their extension buildering jobs for many years. G...
"Loft conversion" - DARTFORD, job posted 04/03/25
FLEX CONSTRUCTION LIMITED
Joe
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Stone. We offer a competitive rate to complete all your exten...
"Looking to convert our loft into a room, end of terraced house." - DA2, job posted 04/03/25
The England Team
The England Team is an established extension buildering business in Stone. We come highly recommended and provide competitive quotes for your work....
"Doma Loft conversion" - THURROCK, job posted 10/02/25
P OUGHTON BUILDING
P OUGHTON BUILDING is an established and experienced local extension builder in Stone. Please contact us for a free, no obligation quote and compet...
"Two storey rear extension" - DARTFORD, job posted 02/01/25
C & B Multi-Trader
C & B Multi-Trader is an established extension buildering business in Stone. We come highly recommended and provide competitive quotes for your wor...
"Loft conversion" - THURROCK, job posted 12/10/24
JPRMS Ltd
Relax... you have found a reliable extension builder in Stone. JPRMS Ltd is a friendly and reliable company based in Stone who consider no job as t...
"Single storey Kitchen extension 4-6m" - DA1, job posted 24/08/24
CIA Construction Limited
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in Stone. No obligation free quo...
"Loft conversion" - DARTFORD, job posted 17/08/24
Hyde Building Ltd
Lee
Hyde Building Ltd are here to help customers who need an Extension Builder in Stone. We offer a competitive rate to complete all your extension bui...
"Loft conversion" - DARTFORD, job posted 10/07/24
Liviu Toma
Experienced extension builder ready to quote for your work. Liviu Toma is the best extension builder in Stone. No obligation free quotes and many h...
"Loft conversion" - THURROCK, job posted 12/05/24
Lover Build
Lover Build is an established and experienced local extension builder in Stone. Please contact us for a free, no obligation quote and competitive r...
"I am interested in getting a quote fot a Loft conversion" - SOUTH OCKENDON, job posted 10/02/24
Danni Building Services Ltd
Pedro
Need an Extension Builder in Stone? Danni Building Services Ltd has been helping local clients (10 mile radius) with their extension buildering job...
"Loft conversion" - DARTFORD, job posted 11/09/23
Pro-Tec Roofing & Building Services Ltd
Pro-Tec Roofing & Building Services Ltd is an established and experienced local extension builder in Stone. Please contact us for a free, no obliga...
"Loft conversion" - DARTFORD, job posted 11/08/23
TS Building Works
Need an Extension Builder in Stone? TS Building Works has been helping local clients (10 mile radius) with their extension buildering jobs for many...
M T Builders
Trusted and professional extension builder in Stone. Experienced in all extension buildering work and keeping within budget and on quote. M T Build...
Amberly Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
The most important thing is do avoid handing over cash or paying large sums in advance. Be wary of paying cash for a cheaper job, i.e. to avoid VAT, you may be going down a slippery slope of not doing things properly which may eventually mean your job is also not done properly.
Agree when you intend to pay, ideally after you are satisfied with the completed job. If it is a big job agree a schedule of staged payments which is fair to both parties.
To avoid bad tradespeople and to ensure you can find them should they not answer a mobile;
- Get proper contact details and check them yourself
- Check if the company is verified on the Companies House website
- Get phone details, ideally a land line or 0800 number and check it
- Get a physical office address
Get quotes in writing by email or in person if possible. Getting quotes online or by text is ok (make sure you accept the offer by replying). For large projects make a written agreement, schedule of works and snagging plans as part of a working document. Also;
- Agree expected quality of workmanship and materials in advance
- When will work start and when will project be finished, what happens if project over runs ?
- How long is the guarantee on work and materials eg 12 months
- Discuss onsite behaviour in advance (no smoking, swearing or using mobile phones for non-work purposes)
- Agree that your Extension Builder will remove all debris and rubbish and what level of tidying up you want after job
Compare Stone extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Dartford | £41 | £265 |
| Extension Builders near Grays | £41 | £261 |
| Extension Builders near Northfleet | £41 | £261 |
| Extension Builders near Chafford Hundred | £41 | £261 |
| Extension Builders near South Ockendon | £42 | £264 |
| Extension Builders near Thurrock | £41 | £260 |
| Extension Builders near Gravesend | £40 | £260 |
| Extension Builders near Bexley | £42 | £265 |
| Extension Builders near Stanford-le-Hope | £40 | £254 |
| Extension Builders near Barking | £43 | £261 |
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 - £26,112
Garden office - £10,112
Granny annexe - £87,112
Build a flat roof extension - £22,112
Convert a Garage - £16,112
Hip to gable loft conversion - £42,112
Convert a bungalow loft - £29,112
Build a dormer loft conversion - £42,112
Build a swimming pool - £81,112
Build a Mansard loft conversion - £52,112
Concrete foundations - £6,362
Underpin a building - £17,612
Two storey extension - £88,168
Convert a basement - £38,760
Side return extension - £42,760
Loft conversion - £34,800
Garage - £18,612
Single storey extension - £57,240
Outbuilding - £10,112
Install an RSJ - £2,312
Build a kitchen extension - £42,112
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