Business Details
27 Years
experience
Trusted Roofing Contractors in the UK
Established in 1999, Derwent Roofing Services has built a reputation for excellence in Sarnafil single-ply membrane installations. Our directors, Simon Byrne and Scott Henshaw, bring over 50 years of combined expertise in waterproofing systems, with Simons eight-year tenure at Sarnafil as a Field Technician enhancing our technical proficiency. All operatives hold NVQ Level 2 and CSCS certifications, ensuring adherence to industry standards. We maintain CHAS, Construction Line, and SMAS accreditations, reflecting our commitment to quality and safety. As the UKs largest Sarnafil contractor by square meterage, we deliver commercial and residential projects nationwide, including schools, healthcare facilities, and timber-frame extensions.Our 15-year guarantee on Sarnafil systems underscores our confidence in long-term performance, supported by our inclusion in the exclusive Sarnafil Roof Management Register. We prioritise client satisfaction through competitive pricing, flexible service delivery, and a focus on sustainable, durable solutions. Our teams technical expertise extends to associated works like roof-lights and rainwater systems, catering to both main contractors and local builders. With a heritage of innovation and a client-centric approach, we aim to build lasting partnerships across the UK construction sector.
Services
Commercial Roofing
Residential Roofing
Sarnafil Installations
Roof Management
Associated Roof Works
Details
- Year established: 1999
Highlights and features
- We have over 50 years combined experience in single-ply membrane installations.
- We exclusively use Sarnafil systems, the most durable waterproofing solution available.
- All operatives hold NVQ Level 2 and CSCS certifications for quality assurance.
- We operate UK-wide, serving both national main contractors and local builders.
- Our 15-year guarantee reflects confidence in long-term roof performance.
Associations and certifications
- CHAS
- Construction Line
- SMAS
- SSIP
Services
Commercial Roofing
We deliver Sarnafil membrane installations for commercial buildings including schools, healthcare facilities, and industrial units. Our solutions ensure watertight integrity with 15-year guarantees, supported by CHAS and Construction Line accreditations. Projects range from new builds to refurbishments, serving top main contractors nationwide.
Residential Roofing
Specialising in Sarnafil systems for residential properties, we provide durable, low-maintenance roofs for timber and oak-frame extensions. Our installations exceed 40-year durability benchmarks, combining technical expertise with tailored service for homeowners and local builders across the UK.
Roof Management
As approved Sarnafil Roof Management Register members, we oversee refurbishment projects with single-point responsibility guarantees. Our services cover design, materials, and workmanship, ensuring compliance with industry standards for both commercial and domestic clients.
People
Simon Byrne
Director
With 25 years of experience, including eight years as a Sarnafil Field Technician, Simon oversees technical operations and quality control. His expertise ensures all projects meet rigorous waterproofing standards.
Scott Henshaw
Director
Bringing 25 years of single-ply membrane expertise, Scott manages client relationships and project delivery. His focus on innovation supports the companys growth in commercial and residential sectors.
Questions
What roofing systems do you specialise in?
We exclusively install Sarnafil single-ply membranes, renowned for their durability and 40+ year lifespan.
Do you offer guarantees on your work?
Yes, all Sarnafil installations come with a 15-year guarantee covering materials and workmanship.
Which areas do you cover?
We operate nationwide across the UK, including London, Birmingham, and Cumbria.
Are your team certified?
All operatives hold NVQ Level 2 and CSCS certifications, with directors having 50+ years combined experience.
Reviews (1)
David Wright
Jul 28, 2021
Report
Derwent Roofing Services Limited provided us with a professional and approachable service from the design to installation. Your flat roof installation is in safe hands with Simon Byrne and his Team.
