trading for 18+ years

NJ Building

NJ Building Services are an established specialist contractor, operating in London and the South East for over 18 years.

What We Do

Specialists in Construction & Refurbishment

Whether as a principal contractor or sub-contractor we pride ourselves in our personal approach with our clients and their stakeholders to deliver successful projects.

Experienced Construction ProfessionalBlack Arrow Icons
Building Maintenance & RenovationBlack Arrow Icons
Cladding Installation & Renewal
Commercial Residential Multi-levelBlack Arrow Icons
Conversion of Existing Spaces
Best Quality Civil Construction & RenovationBlack Arrow Icons
Cladding Surveys
& Repairs

Emphasising our green credentials, we aim to deliver each contract with sustainability in mind.

Why Choose Us

Build Your Project With Our Trusted Service

Our client base ranges from Social Housing Landlords, Building Consultants & Property Management Agents alongside working with Tier 1 contractors.

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Professional Expert & Professional Approach

Led by an experienced and dedicated leadership team with a combined 50+ years of industry expertise.

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High Quality Work & Satisfaction Guarantee

Ready to take on the delivery of high profile and complex refurbishment schemes across the South East.

Project: Charlton Triangle
Our Clients

Trusted by

Dozens of successful projects completed with the most respected organisations in the UK.

delivering your projects

Your Construction Partner

Specialising in the delivery of large scale refurbishment contracts, typically taking on projects of between £500k and £10 million in value.

Our Services
A Fully Integrated Building Construction Service

A wide variety of services and in-house expertise to deliver your project from concept to completion.

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Building Refurbishment
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Building Conversions
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Fire Stopping & Doors
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Cladding Surveys
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Cladding Repairs
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Cladding Installations

Latest Projects


What our clients say about us

Don't just take our word for it. See what our long-term clients & partners have to say about their experience of working with NJ Building Services.

“The project at Eastbourne marina was a potentially difficult scheme in an exposed location surrounded by water on 3 sides, despite the challenges the team at NJ completed the works on site to an excellent standard, on time and on budget. The senior management and site team were a pleasure to work with. "

Jonathan Sutherland, Associate Director

Fell Reynolds
"We engaged NJ to assist on our student accommodation scheme at Griffon studios. NJ performed very well, and the work was completed to an excellent standard and within budget. I look forward to working with them again in the near future."

Matt Martin, Quantity Surveyor

Elliot Group UK
"N&J are delivering a quality product precisely in line the specification, budget and programme. It has been a pleasure to deal with you. All the team are professional, knowledgeable and reliable. A safe pair of hands."

Gerrard Molloy, Building Surveyor

"The project was executed efficiently, to a high standard, within budget and the staff are courteous which made a real difference to the project."

Andi Reaney, Building Surveyor

Ashford Borough Council
"The quality of works is outstanding, however what is most impressive is their efforts to work truly in partnership with the clients team. Working with them is an enjoyable experience and always with a successful outcome."
Podium Surveying LLP