Local HP6 extension builders & recently posted jobs
Be Illuminated
£45/hour
£293/day
Be Illuminated are here to help customers who need an Extension Builder in HP6. We offer a competitive rate to complete all your extension builderi...
"Loft conversion" - BEACONSFIELD, job posted 15/10/25
KATELL PROPERTY MAINTENANCE
£48/hour
£357/day
KATELL PROPERTY MAINTENANCE is a trusted extension builder serving customers in HP6 and the surrounding area. Contact us to today to get a competit...
"Single storey extension" - CHESHAM, job posted 06/03/24
GURNEY CONSTRUCTION
£46/hour
£302/day
Relax... you have found a reliable extension builder in HP6. GURNEY CONSTRUCTION is a friendly and reliable company based in HP6 who consider no jo...
M P TIMLIN (CONSTRUCTION) LTD
£42/hour
£276/day
Relax... you have found a reliable extension builder in HP6. M P TIMLIN (CONSTRUCTION) LTD is a friendly and reliable company based in HP6 who cons...
Mitre Peak Lofts Ltd
£44/hour
£282/day
Need an Extension Builder in HP6? Mitre Peak Lofts Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for man...
Saltbox Design and Build
£43/hour
£277/day
We are passionate about building bespoke homes using quality products that create unique features both internally and externally.
Beech
£42/hour
£272/day
Beech is an established and experienced local extension builder in HP6. Please contact us for a free, no obligation quote and competitive rates. Co...
Distinct Build
£45/hour
£294/day
Distinct Build Ltd. has been built purely on referrals. We care about our client's ideas and needs and work tirelessly to deliver their dreams.
...Hamilton Refurbishments
£42/hour
£269/day
Hamilton Refurbishments is an established and experienced local extension builder in HP6. Please contact us for a free, no obligation quote and com...
ALEXANDER CONSTRUCTION
£39/hour
£253/day
Trusted and professional extension builder in HP6. Experienced in all extension buildering work and keeping within budget and on quote. ALEXANDER C...
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 HP6 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Chesham | £42 | £277 |
| Extension Builders near Hazlemere | £40 | £272 |
| Extension Builders near Rickmansworth | £42 | £278 |
| Extension Builders near Gerrards Cross | £43 | £282 |
| Extension Builders near Berkhamsted | £41 | £263 |
| Extension Builders near Dacorum | £42 | £269 |
| Extension Builders near Hemel Hempstead | £42 | £270 |
| Extension Builders near High Wycombe | £39 | £272 |
| Extension Builders near Watford | £43 | £278 |
| Extension Builders near Wycombe | £39 | £271 |
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 - £26,304
Garden office - £10,304
Granny annexe - £87,304
Build a flat roof extension - £22,304
Convert a Garage - £16,304
Hip to gable loft conversion - £42,304
Convert a bungalow loft - £29,304
Build a dormer loft conversion - £42,304
Build a swimming pool - £81,304
Build a Mansard loft conversion - £52,304
Concrete foundations - £6,554
Underpin a building - £17,804
Two storey extension - £88,456
Convert a basement - £40,920
Side return extension - £44,920
Loft conversion - £36,600
Garage - £18,804
Single storey extension - £61,080
Outbuilding - £10,304
Install an RSJ - £2,504
Build a kitchen extension - £42,304
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