Find affordable extension builders near SW12
- Local extension builders SW12
- Job estimates from extension builders near you
- Local Extension Builders in London Boroughs
| Low | Average | High |
|---|---|---|
| £15 | £37 | £100 |
| Average hourly rate from 127 extension builders in SW12 ex VAT or callout | ||
Average SW12 extension builder hourly rate is £38
Range from the cheapest, mostly independent, £35 per hour and £230 per day (JT Allen) to the dearest, normally the best, £40 per hour and £250 per day ().
Comparing hourly and daily rates of extension builders gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Click 'Get quotes' and describe your job and we will send it to your local extension builders for FREE.
Local extension builders SW12
Barnard Interiors
London, Greater London SW12
£39/hour
£243/day
Barnard Interiors is an established and experienced local extension builder in SW12. Please contact us for a free, no obligation quote and competitive rates. Covering a 5 mile radius.
"Single storey extension"
GEORGE, SW18
IDL Contractors Ltd
£37/hour
£231/day
IDL Contractors Ltd are here to help customers who need an Extension Builder in SW12. We offer a competitive rate to complete all your jobs to professional standards.
"A 8 meter by 1 story high wall to removed clear way and rebuild "
ZODIE, SW4
£40/hour
£250/day
Extension Builder in SW12, SW12. Covering 5 mile radius.
is a trusted Extension Builder serving customers in SW12 and the surrounding area. Contact us to today to get a competitive quote for work in SW12. We offer value for money and quality to our customers, we pride ourselves on the positive feedback.
" **St George's Hospital Toilets & Washrooms Refurbishment – £450K Opportunity** St George’s University Hospitals NHS Foundation Trust invites bids for the refurbishment of toilets and washrooms at St George’s Hospital, Tooting (SW17 0QT). Total contract value is £450,000. Project runs from..."
JAMES, SW17
Balham SW12
£40/hour
£250/day
Extension Builder in SW12, SW12. Covering 5 mile radius.
is a trusted Extension Builder serving customers in SW12 and the surrounding area. Contact us to today to get a competitive quote for work in SW12. We offer value for money and quality to our customers, we pride ourselves on the positive feedback.
"Single storey extension"
BALHAM
£40/hour
£250/day
Need to find an Extension Builder near you for all your work?
provides a local, trusted service in and around SW12. Homeowners and landlords choose us for our excellent knowledge, experience and reliability plus reasonable call-out fees if applicable and no obligation quotes.
"Loft conversion- 2 beds and a bathroom"
SAUD, SW17
M. Watkins and Sons Ltd
Greater London SW12
£39/hour
£243/day
M. Watkins and Sons Ltd is an established and experienced local extension builder in SW12. Please contact us for a free, no obligation quote and competitive rates. Covering a 5 mile radius.
R C BUILDER
£37/hour
£233/day
Extension Builder in SW12, SW12. Covering 5 mile radius.
R C BUILDER is a trusted Extension Builder serving customers in SW12 and the surrounding area. Contact us to today to get a competitive quote for work in SW12. We offer value for money and quality to our customers, we pride ourselves on the positive feedback.
Zenico
£37/hour
£231/day
Relax... you have found a reliable extension builder in SW12. Zenico is a friendly and reliable company based in SW12 who consider no job as too big or too small. Qualified, professional extension builders with years of experience in the industry.
Interior Space Solutions Ltd
£39/hour
£243/day
Extension Builder in Balham Surrey, SW12. Working within a 5 mile radius.
Interior Space Solutions Ltd (Trading as Loft Concept ) are a trustworthy and reliable company that undertake Loft Conversion and Kitchen Extension projects that you require to a very high standard. We are pleased to offer design, management and b...
Mark Smith
London SW12
£40/hour
£250/day
Extension Builder in SW12, SW12.
Need an Extension Builder in SW12? Mark Smith has been helping local clients (5 mile radius) with their jobs for many years. Get a quote today.
CleanDay London Ltd
£36/hour
£230/day
Extension Builder in SW12, SW12. Covering 5 mile radius.
CleanDay London Ltd is a trusted Extension Builder serving customers in SW12 and the surrounding area. Contact us to today to get a competitive quote for work in SW12. We offer value for money and quality to our customers, we pride ourselves on the positive feedback.
Basenet Ltd
£39/hour
£243/day
Extension Builder in London, SW4. Working within a 5 mile radius.
Our building services company Basenet Ltd have sixteen years experience and have been helping customers in London and the surrounding area by providing professional, trustworthy building services.We know it can be hard to find a builder th...
Hughes Developments
£37/hour
£231/day
Extension Builder in SW12, SW17. Covering 5 mile radius.
Hughes Developments is a trusted Extension Builder serving customers in SW12 and the surrounding area. Contact us to today to get a competitive quote for work in SW12. We offer value for money and quality to our customers, we pride ourselves on the positive feedback.
RenoView Ltd
£39/hour
£243/day
Extension Builder in Greater London, SW16. Working within a 5 mile radius.
Renoview staff has over 24 years of experience can make your renovation process smoother and stress free for you. Our main focus is on renovation and refurbishment projects for residential and commercial buildings. We ensure your makeover looks ho...
William Coles
£37/hour
£231/day
Need to find an Extension Builder near you for all your work?
William Coles provides a local, trusted service in and around SW12. Homeowners and landlords choose us for our excellent knowledge, experience and reliability plus reasonable call-out fees if applicable and no obligation quotes.
JT Allen
£35/hour
£250/day
Extension Builder in Rettendon, Chelmsford, SW17. Working within a 5 mile radius.
Many years experience in extending families homes. Single and double storey extensions. Loft and garage conversions and refurbishing homes
Areas Covered - London and essex
Casey Builders/Developers Ltd
£37/hour
£236/day
Relax... you have found a reliable extension builder in SW12. Casey Builders/Developers Ltd is a friendly and reliable company based in SW12 who consider no job as too big or too small. Qualified, professional extension builders with years of experience in the industry.
Apartment Renovation Limited
£37/hour
£231/day
Apartment Renovation Limited are extension builders in SW12 who work within a 5 mile radius. Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in SW12 and testimonials.
Studio Such
£39/hour
£243/day
Extension Builder in Streatham Greater London, SW16. Working within a 5 mile radius.
Design and Build - Specialising in home restoration, extension, kitchen design, bespoke joinery and furniture sourcing
Quickly find an Extension Builder in SW12
Use these steps to find Extension Builders in SW12 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SW12. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local SW12 Extension Builders or phone them directly - you’re in control!
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
Local Extension Builders in London Boroughs
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.
Timber frame extension - £25,896
Garden office - £9,896
Granny annexe - £86,896
Flat roof extension - £21,896
Garage conversion - £15,896
Hip to gable loft conversion - £41,896
Bungalow loft conversion - £28,896
Dormer loft conversion - £41,896
Swimming pool - £80,896
Mansard loft conversion - £51,896
Concrete foundation - £6,146
Underpinning - £17,396
Two storey extension - £87,844
Basement conversion - £36,330
Side return extension - £40,330
Loft conversion - £32,775
Garage - £18,396
Single storey extension - £52,920
Outbuilding - £9,896
RSJ installation - £2,096
Kitchen extension - £41,896
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