Company History
Turning Your Dream Into Reality
Founded in 2013, DIAMANT BUILDING SERVICES LTD. began its journey in Golders Green, London, where we quickly became known for delivering high-quality building services. With over 20 years of experience in the construction industry, we specialise in new home builds, home extensions, loft conversions, renovations, and ongoing repairs and maintenance. Our reputation for craftsmanship, reliability, and attention to detail has made us a trusted partner for homeowners and businesses alike.
From the outset, we have successfully completed a diverse range of projects, including expanding homes with innovative extensions and transforming lofts into stylish, functional living spaces. This has earned us a reputation for understanding our clients’ unique needs and consistently delivering results that exceed expectations.
As the business grew, so did our service area. Today, DIAMANT BUILDING SERVICES LTD. proudly serves all of North and North West London, as well as key locations in Central London and Hertfordshire, including Barnet, Haringey, Islington, St. John’s Wood, Baker Street, Camden, Stanmore & Harrow, Borehamwood, Watford, St. Albans, Potters Bar, Hatfield, Welwyn, Bushey, Elstree, Radlett, Colney, and beyond. Whether you’re looking to build your dream home, enhance your current space with an extension, convert your loft, or undertake a major refurbishment, we provide comprehensive, high-quality solutions that add lasting value to your property.
At DBS, we are committed to delivering projects on time and within budget, ensuring that your vision is realised with exceptional craftsmanship you can trust. As we continue to grow, we remain dedicated to serving our local communities, creating beautiful and functional spaces that enhance both lives and properties.
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Our greatest satisfaction comes from clients who love our work and share their experience with others.
DBS, Owner
Accreditions
Accreditions & Partners
Our values
The Reasons For Our Success

Highly Rated
We never leave a job until the customer is 100% satisfied.

Fair Prices
Our projects are priced in a way that is fair to everyone.

Relationship based
Our goal is to establish relationships, not just contracts.

Quick Service
We show up on time and finish ahead of schedule.

Trusted Leader
We have a great reputation as leaders in the community.

Friendly Team
Our crew is pleasant and easy to talk to at the job site.

High Quality
Expect only the best quality of materials and service.

Integrity Driven
We are always honest and open about details and costs.
Why Choose Us
Working With Us Is The Smart Choice
1. Direct Connection with Your Builder: Work directly with your skilled builder for a seamless and efficient process.
2. Free Solutions and Advice: Our team is here to provide expert guidance and innovative solutions at no extra cost.
3. Skilled Team from Design to Build: Our experienced professionals ensure every phase of your project is handled with expertise.
4. Efficiency and Quality as Our Priorities: We focus on delivering exceptional quality and efficiency in every project.
5. Quality Matters: While some builders may offer lower prices, it’s important to consider the long-term value of quality work. We are dedicated to providing reliable results that meet your needs.