About Triquetra
Triquetra Construction Group Ltd is a multi-disciplined construction and specialist roofing company operating across the United Kingdom.
Our name, Triquetra, is Celtic for “Everlasting”—a concept that lies at the heart of our identity. It reflects our mission: to provide Everlasting Value to our clients by consistently exceeding expectations and delivering work of enduring quality.
Our Experience
With over 20 years of combined experience, our management team has the knowledge and insight to guide complex construction and roofing projects from start to finish. We have built a strong reputation for excellence, particularly within the high-end residential and commercial markets.
Our Mission
We’re not just building structures—we’re building trust, relationships, and legacies. At Triquetra, our goal is to offer long-lasting value through excellence, integrity, and a dedication to delivering outstanding results.
Our Services
Triquetra Construction Group are not only a Principal Contractor, we are also a Specialist Roofing Sub-Contractor that can offer many services others cannot.
Alongside our dedicated and approved panel of sub-contractors, Triquetra can undertake projects up to £1 million in value as a Principal Contractor and our in house Roofing Division can complete works in the region of £500k.
Principal Contractor
Roofing
Principal Contractor
Roofing
Cold Applied Liquid Waterproofing Systems | Pitched Roofing Works | Roof & Gutter Clearances | High Performance Felt | Lead Works | Asphalt Works
Our Portfolio
We’ve worked on prestigious properties across Belgravia, Marylebone, and South Kensington in Central London, as well as notable projects throughout the County of Kent. Our attention to detail and high standards make us a trusted partner for luxury developments and heritage properties alike. Take a look below at a few of our case studies.
Kemperol Liquid Overlay
Notting Hill, West London
Kemperol Liquid Overlay
Edgware Road, London
Kemperol Liquid Overlay
Egham, Surrey
Accountable
We hold ourselves accountable for our actions and outcomes, ensuring reliability and trustworthiness in every task we undertake.
Caring
We foster a supportive and compassionate environment by genuinely caring for our clients, colleagues, and community.
Loyal
We build strong, long-term connections through faithfulness and commitment to our team and clients.
Competent
We demonstrate expertise and professionalism in all we do, consistently delivering high-quality results.
Our Accreditations
We’re proud to be recognised by leading industry bodies, reflecting our commitment to safety, quality, and professionalism across every project.
Safecontractor
SafeContractor is a leading third-party accreditation that assesses the health and safety practices of contractors and service providers. Achieving this certification demonstrates our commitment to maintaining high safety standards and operating responsibly on every project.
Confederation of Roofing Contractors
The Confederation of Roofing Contractors is one of the UK’s leading roofing trade associations. As a member, we adhere to strict codes of practice, offering peace of mind to our customers through vetted standards, insurance-backed guarantees, and expert workmanship.
Liquid Roofing and Waterproofing Association
The LRWA represents the UK’s leading manufacturers, contractors, and associated sectors involved in liquid applied waterproofing. Membership confirms our expertise in using advanced liquid roofing technologies and our commitment to
delivering high-performance, long-lasting waterproofing solutions.
Where We Are
Whilst most of our work is based within the City of London, we are also able to carry out projects within the surrounding counties, as well as further north in Liverpool.