Expert Leadwork & Roof Flashing
in Swanley, Kent & Sevenoaks
Trusted specialists at Kevington Roofing and Building LTD with over 25 years' experience.

Replacing or repairing roof flashing requires precision, traditional skills, and deep technical expertise. We have refined our installation process to ensure maximum longevity and minimal disruption to your daily life.Detailed Drone Surveys: We often start with a comprehensive, high-resolution drone roof inspection to safely assess the condition of your chimney aprons, step flashing, and lead valleys without the immediate need for costly scaffolding.Transparent Quotation: You receive a clear, itemised quote outlining exactly what needs doing, whether it is a minor repair to a slipped slate or a full lead flashing replacement.Careful Preparation: Our team safely removes the old, perished lead and meticulously cleans the surrounding brickwork and roofing tiles to ensure a perfect fit for the new materials.Precision Installation: We cut, shape, and dress high-quality milled lead on-site. Using correct traditional techniques allows the lead to expand and contract naturally with seasonal temperature changes, preventing future cracks.Final Inspection: We rigorously check our work to guarantee absolute watertightness and a pristine finish that enhances your home.Ready to get started? Book a comprehensive roof survey today to understand the exact condition of your leadwork.

Investing in professional leadwork and flashing is one of the smartest ways to future-proof your property against harsh weather conditions. Here is how our expert installations directly benefit your home:Unbeatable Longevity: When installed correctly by our seasoned professionals, high-grade milled lead can easily last for over 60 years, vastly outperforming cheaper synthetic alternatives and saving you money in the long run.Complete Waterproofing: Precision-dressed lead creates an impenetrable barrier around vulnerable roof joints, such as chimney stacks and roof valleys, keeping your internal spaces completely dry and free from damp.Enhanced Thermal Efficiency: Well-fitted flashing prevents cold drafts from entering your roof space, supporting your loft insulation and helping to maintain a comfortable, energy-efficient temperature inside your home.Kerb Appeal and Heritage Compliance: Lead provides a timeless, traditional finish that perfectly complements local housing stock, from 1930s semi-detached homes in Croydon to historic rural properties in Sevenoaks.

Navigating the red tape of property maintenance can be stressful, but Kevington Roofing and Building LTD is here to handle it safely for you. We are deeply familiar with the unique architectural landscape across Kent and South London. If you live in a conservation area in Sevenoaks or own a listed property, we ensure all lead flashing replacements comply with strict local authority requirements and aesthetic guidelines.Furthermore, all our work adheres to current UK building regulations and British Standards for leadwork. As a fully Registered UK Company (No: 12676001) carrying comprehensive public liability insurance, we provide total peace of mind. You can rest easy knowing your property is in safe, legally compliant hands, protected by robust guarantees and installed by true industry experts.

While we provide dedicated services throughout Swanley, Sevenoaks, and the beautiful surrounding Kent countryside, our main footprint and reputation as trusted roofing experts span across Croydon and South London. Operating from our Orpington base, we cover a broad 20-mile radius that takes in a wide variety of residential and commercial properties.Our dedicated teams frequently provide emergency roof repairs and leadwork installations across Croydon, Purley, Coulsdon, and Sanderstead. We also serve Bromley, Bexleyheath, Sidcup, and Dartford, regularly undertaking complex valley and chimney lead repairs. Wherever you are based in our South East London and Kent catchment area, you can expect the same prompt, reliable, and highly skilled service.