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Expert Roofing Contractors in Caerphilly
Grand Roofing is a dedicated roofing company based in Caerphilly, South Wales, founded by Wayne Ivin and Paul Ivin. With over 70 years of combined experience, we specialise in slate, tiled, shingle, and flat roofing solutions, alongside leadwork, rooflights, and insulation services. Our team holds NVQ and City & Guilds qualifications, alongside C.S.C.S certification, ensuring safe and skilled project execution. We operate under strict health and safety policies, maintain full public liability insurance, and prioritise customer satisfaction through attention to detail and quality craftsmanship.

Our expertise extends to fibreglass, rubber, and solar slate waterproofing systems, serving residential and commercial clients across South Wales. We pride ourselves on combining traditional craftsmanship with modern techniques to deliver durable, aesthetically pleasing roofs tailored to client needs. Our commitment to excellence is reflected in our growing reputation along the M4 and M5 corridors, where we consistently meet and exceed industry standards. As part of Grand Developments Ltd, we uphold a legacy of reliability, professionalism, and innovation in every project undertaken.
Services
Slate Roofs Tiled Roofs Shingle Roofs Rooflights Insulation Flat Roofs Stone Roofs Machinery Solar Slate Waterproofing Soffit, Fascias & Guttering
Highlights and features
  • We have over 70 years of combined experience in roofing expertise.
  • Our team holds NVQ and City & Guilds qualifications with C.S.C.S certification.
  • We maintain full public liability insurance and strict health and safety policies.
  • We prioritise customer satisfaction through attention to detail and quality craftsmanship.
  • We serve residential and commercial clients across South Wales with tailored solutions.
Associations and certifications
  • NVQ
  • City & Guilds
  • C.S.C.S
Services
Slate Roofs
We install and repair slate roofs using Welsh, Spanish, Canadian, and English natural slates. Our expertise ensures durable, weather-resistant solutions with a lifespan exceeding 100 years. Clients benefit from eco-friendly materials and custom colour options to enhance property aesthetics.
Flat Roofs
Specialists in fibreglass (GRP), rubber (EPDM), and Evalon VSK roofing systems. Our flat roofs offer seamless, maintenance-free waterproofing with 40+ years of durability. Ideal for commercial and residential properties requiring robust, leak-proof solutions.
Rooflights
We fit rooflights from The Rooflight Company and Velux, enhancing natural light in loft conversions and extensions. Our installations ensure energy efficiency, weatherproofing, and compliance with building regulations for residential and commercial spaces.
Insulation
We provide insulation services to improve thermal performance and reduce energy costs. Our solutions meet current British Standards, ensuring optimal comfort and compliance for residential and commercial properties.
Tiled Roofs
We install plain clay, concrete, and interlocking tiles, offering durability and aesthetic appeal. Our tiling services cater to traditional and modern properties, with options from leading brands like Redland and Marley.
People
Wayne Ivin
Co-Founder
With decades of roofing expertise, Wayne co-founded Grand Roofing to combine traditional craftsmanship with modern techniques. He oversees project quality and client relations, ensuring adherence to industry standards.
Paul Ivin
Co-Founder
Paul brings extensive experience in roofing systems and project management. As co-founder, he focuses on technical innovation and team training, maintaining the company's reputation for excellence in South Wales.
Questions
What areas do you serve?
We operate across South Wales, including Blackwood, Caerphilly, and surrounding areas for all roofing projects.
Are your team certified?
Yes, our roofers hold NVQ, City & Guilds, and C.S.C.S certifications for safety and technical proficiency.
Do you offer warranties?
We provide BBA-certified guarantees for GRP roofing systems and workmanship warranties on all installations.
Can you handle emergency repairs?
We prioritise urgent repairs but do not offer 24/7 emergency services. Contact us for prompt daytime assistance.
What roofing materials do you use?
We work with slate, tile, shingle, fibreglass, rubber, and solar slate materials to suit diverse client needs.
Are you insured?
Yes, we have full public liability insurance and adhere to strict health and safety protocols.