JNJ Building Services Ltd
Home extensions, renovations and loft conversions in West London
About JNJ Building Services Ltd
JNJ Building Services is a family-run design and build contractor based in Chiswick, West London. The company works on house extensions, full refurbishments, residential renovations, loft conversions and bespoke new builds. It serves homeowners across West London and nearby areas.
JNJ has in-house architects and structural engineers, and a team that includes project managers and tradespeople in carpentry, joinery, plumbing, electrical work, plastering, decorating, demolition and tiling. Its costing and management process includes site set-up, procurement, construction, inspections and handover.
The company describes its approach as transparent and budget-led, with clients kept informed through regular communication and site visits. At handover, it says clients receive certificates, warranties and guarantees. JNJ is family-run and says it is fully insured; its tradespeople include City & Guilds qualified staff.
Accreditations
- Considerate Constructors Scheme
- SafeContractor
Areas covered
- Ealing
- Hammersmith
- Kensington
- Chiswick
- Fulham
- Battersea
- Acton
- Clapham
- Balham
- Barnes
- Putney
- Richmond
Services
Home building
- House extensions
- Loft conversions
- Home refurbishments
- Residential renovations
- Custom new builds
What their website says about each service
- Builders
“JNJ Building Services is a distinguished building contractor based in Chiswick, West London, specialising in house extensions, comprehensive home refurbishments, residential renovations, loft conversions, and luxury bespoke builds.”
- House Extensions
“JNJ Building Services is a distinguished building contractor based in Chiswick, West London, specialising in house extensions, comprehensive home refurbishments, residential renovations, loft conversions, and luxury bespoke builds.”
- House Renovations
“JNJ Building Services is a distinguished building contractor based in Chiswick, West London, specialising in house extensions, comprehensive home refurbishments, residential renovations, loft conversions, and luxury bespoke builds.”
- Loft Conversions
“JNJ Building Services is a distinguished building contractor based in Chiswick, West London, specialising in house extensions, comprehensive home refurbishments, residential renovations, loft conversions, and luxury bespoke builds.”
What customers say
This is now 3 projects completed with JNJ, and each time has been incredible. The family team has really looked after us. Always contactable and professional.
Outstanding! I have never failed to be hugely impressed with their professionalism. The team is always friendly, contactable, and has creative and practical ideas making them able to work to a budget for excellent results.
I cannot recommend JNJ more highly. Their professionalism and work quality were certainly the highest standard I have experienced from builders based in London.
Shared on jnjbuilding.com.