020 8528 3423 info@jnjbuilding.co.uk

Award-Winning Builders in Teddington

Looking for experienced, trusted builders for your extension or loft conversion in Teddington?

Which? Trusted Traders & Builders in Teddington

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JNJ Building Services are an award-winning property renovation, extensions and refurbishment company, covering Teddington and the West London area. We are experts in house extensions and loft conversions, and have been accredited with Which? Trusted Trader status.  

We have delivered extensions, basement developments, loft conversions, kitchen renovations and complete house refurbishments. 

Furthermore, we are approved members of the Considerate Constructors Scheme that seeks to improve standards in our field by considering the effect a construction project has on the surrounding neighbourhood, and taking action to minimise disruption.

Whatever building transformation you have in mind for your Teddington home, we can make it a reality. We’re master builders who will deliver your project on time and to budget. We pride ourselves on our ability to do what we say we will do, with no hidden costs.

“JNJ Building Services have restored my faith in building firms. We got exactly what we paid for with a high degree of commitment and professionalism. Jamie is 100% committed to meeting client expectations and has a degree of pride in the finish that is rarely seen. Thanks, so much Jamie and team!

Lindar, London, TW10 6DG 

Building services we specialise in across Teddington

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Complete Building Renovations 

We can totally remodel your Teddington property to your desired specifications. Whether you want to make more space, divide a property in to flats or repair an existing structure. We can even build your new Teddington home from the ground up.  

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Teddington Property Refurbishment Services

If your property is in need of repair, modernising or you wish to make it more energy efficient, we can help. We will breathe new life into your property, whether for your own benefit or resale.

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Teddington Extensions & Loft Conversions

House extensions and loft conversions add space and value to your home. Let us help you to plan, cost and create your perfect extension.  We’ve can provide ideas to help you make the right decision and then deliver it on budget and on time.

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Bathroom, Kitchen & Outdoor Remodelling 

If you live in Teddington and want to extend your kitchen, add an en-suite to your bedroom or totally transform your garden and outdoor space, we’ve got the answer. We’ve built our reputation on delivering inspirational designs that add value to your home.

Home improvement projects in Teddington, delivered on time and to budget

If you’re searching for a reputable building company to help you with your house extension, loft conversion or home renovation project in Teddington, then we can help.

We build new homes, renovate old ones, create loft conversions, install new bathrooms, revamp kitchens and also revitalise outdoor spaces. Our projects in Teddington add substantial value to what is probably your biggest asset, your West London home.

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“JNJ is successful not just because of our skilled house extension builders but because people trust us and know our reputation is built on strong customer care.”

Whether that’s accommodating change mid-way through a project, keeping you informed of costs at every stage or the effort we make to minimise disruption to you and your neighbours, we take pride in our high level of service.

Undertaking a property refurbishment needn’t be stressful. JNJ has the expertise to oversee every aspect involved in house improvement work in a worry-free, professional manner that has you covered. We are also local to West London, so we are happy to pop round to provide a quote on your Teddington building project.

Our award-winning building services provide expertise across the West London area, including Richmond, Chiswick, Fulham, Barnes, Putney, Battersea, Balham, ClaphamHammersmith, Shepherds BushActon, Ealing and Twickenham.

Family-run business with 150+ years of combined building expertise

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Our team is made up of skilled tradespeople with over 80 years of expertise in the building and renovations trade. 

Being a family-run business, we pride our reputation on the quality of our work. Most of our team are local to West London from areas like Ealing, Shepherds Bush and Teddington. We are punctual and always go the extra mile to ensure we over-deliver at every stage of your project. We will also provide first-class communication so you are clear on the progress of your building project.

What our customers say


“We were very impressed with Jamie and his team. From day 1, the members of the team were communicative, punctual and smartly dressed. Their attention to detail was second to none (both in terms of finishes as well as hygiene), right up to completion. We highly recommend Jamie and his team.” Drummond, London, W5 5ED

“Outstanding! I have never failed to be hugely impressed with their professionalism. Jamie, always friendly and contactable, has creative and practical ideas making him able to work a budget to excellent results.” Morgan, London W12

“I cannot recommend JNJ more highly; their professionalism and work quality were certainly the highest standard I have experienced from builders based in London. They were a pleasure to work with throughout the duration of our project and I never lost confidence in their ability to deliver. ” O.Fawcett, West London

JNJ Building services have restored my faith in building firms. We got exactly what we paid for with a high degree of commitment and professionalism. Jamie is 100% committed to meeting client expectations and has a degree of pride in the finish that is rarely seen. Thanks, so much Jamie and team! Minnie L, North West London

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151 Askew Road, Ealing, West London, England, W12 9AU

020 8528 3423