Business Details
Heritage Roofing Specialists Since 1870
Established in 1870, we are a family-run roofing specialist with over 150 years of heritage in traditional and modern pitched roofing solutions. Our expertise spans Kent Peg Tiling, natural and composite slate roofing, leadwork, plain tiling, oak and cedar shingling, and flat roofing systems. We have completed prestigious projects at iconic landmarks including Tower Bridge, St James Palace, and Rochester Cathedral, alongside thousands of residential properties. Our craftsmen hold Heritage registration cards under the Construction Skills Certification Scheme, ensuring preservation of time-honoured techniques. Covering Kent, East Sussex, and South East London, we combine generational expertise with modern innovations to deliver durable, high-quality roofing solutions.Our commitment to excellence has earned us recognition as the oldest member of the National Federation of Roofing Contractors. We offer free quotations and maintain accreditations including Trustmark and CompetentRoofer, demonstrating our adherence to industry standards. Our comprehensive services extend to building repairs, including brickwork, carpentry, and plastering, ensuring holistic property care. Through continuous staff training and apprenticeship programs, we uphold our legacy while embracing technological advancements in roofing materials and methods.
Services
Kent Peg Tiling
Slate Roofing
Leadwork
Plain Tiling
Oak Shingling
Flat Roofing
Building Repairs
Lead Casting
Cedar Shingling
Heritage Restoration
Highlights and features
- We have 150+ years of heritage in traditional roofing craftsmanship
- Specialist leadworkers with Heritage registration card certifications
- Proven expertise in historic preservation projects at iconic landmarks
- Free no-obligation quotations for all roofing projects
- Continuously invest in staff training and apprenticeship programs
Associations and certifications
- Trustmark
- CompetentRoofer
- National Federation of Roofing Contractors (NFRC)
What people say
150 years of expertise
Heritage restoration specialists
Quality craftsmanship
Reliable service
Professional team
Services
Slate Roofing
Specialists in natural slate and composite slate roofing systems. Our craftsmen employ traditional techniques passed through generations while incorporating modern fixing methods for enhanced durability. We supply and install high-quality Welsh slate, considered industry benchmark material, alongside cost-effective imported alternatives. Our expertise extends to historic roof restoration and new installations for residential and commercial properties.
Leadwork
Comprehensive leadwork services including roofing, cladding, and ornamental casting. Our certified Heritage-registered craftsmen create bespoke lead details for heritage buildings while maintaining compliance with modern standards. Services cover flashings, valleys, gutters, and decorative architectural elements for both restoration and new construction projects.
Kent Peg Tiling
Expert installation of authentic Kent Peg Tiling using traditional methods. This distinctive roofing style features individually pegged tiles creating a unique aesthetic. We maintain historical accuracy while ensuring modern weatherproofing standards, serving both conservation area properties and new builds requiring period-appropriate finishes.
Building Repairs
Full-service building repair solutions including brickwork restoration, carpentry, plastering, and chimney repairs. Our NHBC Buildmark contract experience ensures quality repairs for both structural and cosmetic issues. We specialise in heritage building conservation while providing modern property maintenance services for residential and commercial clients.
Flat Roofing
Installation and repair of flat roofing systems using traditional 3-layer felt and modern Dryseal fibreglass technology. Our solutions meet current insulation and drainage standards while maintaining aesthetic compatibility with existing structures. Services include waterproofing, insulation upgrades, and maintenance for both domestic and commercial properties.
Questions
What types of roofing services do you offer?
We specialise in traditional pitched roofing including Kent Peg Tiling, slate roofing, leadwork, plain tiling, oak/cedar shingling, and flat roofing systems. We also provide building repair services for brickwork, carpentry, and plastering.
How long has John Williams & Company been in business?
We've been trading since 1870, making us one of the oldest continuously operating roofing contractors in the UK with 150+ years of heritage expertise.
Do you work on historic buildings?
Yes, we have extensive experience with heritage properties including Tower Bridge, St James Palace, and Rochester Cathedral. Our craftsmen specialise in preserving traditional techniques while meeting modern standards.
Are your services available outside Kent?
While based in Kent, we operate across East Sussex and South East London. Our heritage project expertise often takes us to other locations for specialist restoration work.
What accreditations do you hold?
We maintain Trustmark and CompetentRoofer accreditations. As the oldest member of the National Federation of Roofing Contractors, we demonstrate ongoing commitment to industry standards.
Can you provide a quotation for roofing work?
Yes, we offer free, no-obligation quotations for all roofing and building repair projects. Contact us via phone or email to arrange a site assessment.
