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Business Details
25 Years
experience
Trusted Roofing & Building Services in Sutton, Surrey
Established in 2001, CJS Roofing and Building has built a reputation as a trusted family-run roofing and building contractor serving Sutton, Wallington, Carshalton, and surrounding areas. With over two decades of experience in domestic and commercial roofing, we specialise in new roof installations, flat roof solutions using EPDM, roof repairs, loft conversions, and fascia and soffit installations. Our team prioritises quality craftsmanship, utilising advanced materials and techniques to deliver durable, weather-resistant solutions.

Recognised for our reliability and expertise, we offer free inspections and no-obligation quotations, ensuring transparency and customer satisfaction. As Checkatrade Verified professionals and Which? Trusted Traders, we maintain rigorous standards of service excellence. Our commitment to continuous training ensures our team remains at the forefront of roofing technology, providing tailored solutions that meet the unique needs of each client.
Services
New Roofs Flat Roof Repairs Loft Extensions Fascias & Soffits Leadwork & Flashing
Details
  • Year established: 2001
Highlights and features
  • Family-run business with 20+ years of local roofing expertise
  • Specialists in EPDM flat roofing and loft conversions
  • Checkatrade Verified with consistently positive customer reviews
  • Free roof inspections and no-obligation quotations
  • Serving Sutton, Wallington, Carshalton, and surrounding areas
Associations and certifications
  • Checkatrade
  • Which? Trusted Trader
What people say
Very impressed with the service Efficient and polite Exemplary manner despite challenges High standard of work No issues since completion
Services
New Roofs
We provide full roof replacement services using high-quality slate, tiles, and modern underlay systems. Our expert team ensures watertight installations that enhance property value and longevity. Specialising in pitched roofs, we incorporate ridge and leadwork to meet building regulations and aesthetic requirements.
Flat Roof Repairs
Our EPDM rubber roofing solutions offer durable, seamless flat roof installations and repairs. With over a decade of experience, we address leaks, membrane damage, and structural issues while ensuring optimal drainage and weather resistance for commercial and residential properties.
Loft Extensions
Transform your home with our bespoke loft extensions, designed to maximise space and natural light. We handle structural modifications, insulation, and finishing touches to create functional living areas that comply with planning and building regulations.
Fascias & Soffits
Upgrade your property's exterior with our PVC-U fascia and soffit installations. We replace damaged components to improve ventilation, prevent pest ingress, and enhance curb appeal while maintaining compatibility with existing roof systems.
Leadwork & Flashing
Our skilled craftsmen install and repair lead flashing, valleys, and abutments to protect vulnerable roof areas. Using traditional techniques combined with modern materials, we ensure watertight seals around chimneys, dormers, and roof intersections.
People
Colin Sadler
Owner/Director
Colin Sadler established CJS Roofing and Building in 2001, bringing over 20 years of hands-on experience in roofing and construction. He oversees all projects personally, ensuring adherence to quality standards and client satisfaction through direct communication and technical expertise.
Questions
What areas do you cover?
We operate across Sutton, Wallington, Carshalton, Cheam, and throughout Surrey and South London.
Are your roofers certified?
We are Checkatrade Verified and Which? Trusted Traders, with ongoing team training in modern roofing techniques.
Do you offer emergency repairs?
While we don't provide 24/7 emergency services, we prioritise urgent roof issues and aim to respond promptly.
How long do roof replacements take?
Most domestic roof replacements complete within 5-7 working days, depending on project complexity and weather conditions.
Can you handle listed building work?
Yes, we have experience working on heritage properties, including a 150-year-old home requiring specialist slate-to-tile conversion.
Do you provide guarantees?
We stand by our workmanship, with many satisfied clients returning for additional projects and recommending our services.