Before and after image showing an old, worn tiled roof transformed into a new, clean tiled roof by Kevington Roofing & Building LTD.

Expert Leadwork and Roof Flashing Services in Rochester


Call Your Local Rochester Expert
01689 663319
Serving Rochester & Medway

Why Quality Lead Flashing Matters for Your Roof

Roof flashing acts as a critical weatherproofing barrier, sealing the vulnerable joints where your roof meets a wall, chimney, or dormer window. Without durable flashing repairs, water can easily seep into the structural timber and masonry, leading to costly damp issues and compromised structural integrity.Our Rochester roofing experts specialise in all aspects of leadwork, including complex lead valleys, intricate step flashing, and bespoke chimney flashing. Because lead is a highly malleable material, it must be installed correctly to accommodate thermal expansion and contraction during hot summers and freezing winters. We apply traditional lead bossing and precision lead welding to ensure a seamless, split-free finish that stands the test of time.

Croydon & South London

01689 663319

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Professional roofers from Kevington Roofing and Building LTD performing a new roof installation on a house in Bromley
Trusted Leadwork Specialists

Why Choose Kevington Roofing for Leadwork & Flashing in Swanley & Sevenoaks?

How We Repair and Replace Lead Roof Flashing

We believe in full transparency, which is why our leadwork process is designed to keep you informed at every step. Here is what you can expect when you choose us for your roof waterproofing:Initial Assessment: We often use advanced drone roof surveys to safely inspect hard-to-reach areas, identifying cracked lead or deteriorating mortar without the need for immediate scaffolding.Material Selection: We supply milled and cast lead that strictly adheres to BS EN 12588 standards, ensuring the correct code and thickness for your specific roof structure.Expert Installation: Our fully insured, directly employed roofers carry out all lead bossing and lead welding on-site, tailoring the metal to the exact contours of your roofline.Protective Finishing: Finally, we treat all new installations with high-quality patination oil. This prevents unsightly white carbonate stains from streaking down your roof tiles and brickwork.

The Benefits of Professional Lead Waterproofing

Investing in professional leadwork provides a wealth of benefits for homeowners in Medway. Firstly, lead is incredibly durable; when installed to building regulations, it can outlast the actual roof tiles, offering decades of reliable roof waterproofing. It is also highly flexible, stretching and contracting with temperature changes without tearing or buckling.Beyond practical longevity, pristine lead valleys and chimney flashing greatly enhance the kerb appeal of your property, adding a neat, architectural finish. At Kevington Roofing and Building LTD, we supply detailed, itemised quotes so you know exactly what you are paying for, with no hidden costs. Ready to secure your property? Call us directly on 01689 663319 to book a consultation.

Fully Compliant Leadwork for Rochester Properties

Rochester is famous for its rich history and beautiful conservation areas. Navigating local planning permissions and Medway building control rules can feel daunting, but our team handles the compliance side for you. We ensure all replacement flashing respects the aesthetic of heritage properties while meeting modern thermal and structural safety standards.As a registered UK company (No: 12676001), Kevington Roofing and Building LTD provides total peace of mind. We hold comprehensive public liability insurance and never use unknown subcontractors. Every tradesperson working on your roof is a vetted, experienced member of our own dedicated team.

Trusted Medway Roofers Serving the Local Area

While our base is located in Orpington, we operate across a broad 20-mile radius covering South East London and Kent. As dedicated Medway roofers, we regularly complete flashing replacements, valley repairs, and emergency call-outs throughout Rochester, Strood, Chatham, Gillingham, and the surrounding villages.Whether you require urgent repairs after a winter storm or a complete leadwork overhaul as part of a new roof installation, our local expertise means we can respond quickly to protect your home from further internal damage.

Why Choose Kevington Roofing and Building LTD?

Your trusted, fully insured roofing experts. We deliver exceptional leadwork, flashing repairs, and roofing services across Orpington, Swanley, Sevenoaks, and South East London.

Local Kent & South London Experts

Based in Orpington, we serve a 20-mile radius including Swanley, Sevenoaks, and Bromley. We understand local housing stock and conservation requirements for specialist leadwork.

25 Years of Expertise

With over 25 years of hands-on industry experience, our fully directly employed team (no unknown subcontractors) ensures your roof flashing and leadwork are installed flawlessly.

Fully Insured & Registered

We are a Registered UK Company (No: 12676001) with comprehensive public liability insurance, providing total peace of mind for every chimney or valley repair.

Transparent, Itemised Quotes

We believe in honesty. Enjoy free, no-obligation, fully itemised quotes so you know exactly what your lead flashing or roof repair will cost before we start.

Kevington Roofing and Building LTD van parked at a residential property with roof scaffolding

Frequently Asked Questions About Lead Flashing

What are the signs that my lead flashing needs replacing? Look out for damp patches on your ceilings or chimney breast, visible cracks or splits in the metal on your roof, or lead that has lifted away from the brickwork.Is lead welding better than using modern sealant? Absolutely. While temporary sealants can provide a quick fix, professional lead welding fuses the metal together, creating a permanent, watertight bond that will not degrade under UV light.Do you offer emergency flashing repairs? Yes, we provide fast-response emergency call-outs across Medway to secure your roof and prevent water ingress during severe weather.Why do you apply patination oil? New lead produces a white powdery coating when exposed to moisture. Patination oil seals the surface, stopping this runoff from permanently staining your roof tiles and masonry.

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Roofing Services Across Croydon & South London: 01689 663319

What Our Clients Say About Kevington Roofing and Building LTD

"Fantastic service from the team at Kevington Roofing and Building today. They were recommended by a friend and I was very impressed. I’ll be using them again."

Celia Bennett

"Reliable and prompt - the Kevington team was able to view the property and provide options and transparent, itemised quotes on the same day I called. After deciding what level of work I wanted done, they returned soon after to carry out the roof repairs to a high standard without me even needing to be there."

Philip Day

"Highly recommended! Great price! First class job. Nothing was too much for these lads, very polite, got the job done and more. When they had finished they cleaned up that well, even took some of my own rubbish away for me. Well done lads! Not often you get a good, honest local roofer anymore! Thanks again."

Nick Mangnall

Leadwork & Flashing FAQs

Frequently Asked Questions

Answers to common questions about our specialist leadwork, chimney flashing, and roof repair services from the experts at Kevington Roofing and Building LTD across Swanley, Sevenoaks, Kent, and Croydon & South London.

How do I know if my chimney flashing needs repairing?

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The most common sign is water staining on the ceiling or walls around your chimney breast. You might also see visible gaps where the metal has pulled away from the brickwork, or find small pieces of mortar on the ground that have fallen from the flashing joints. If you are unsure, we can perform a quick drone survey to check the condition safely.

Can’t I just use bitumen tape to fix a leaking lead valley?

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Flash-band or bitumen tapes are only temporary patches. They struggle with the expansion and contraction of the roof and usually fail within a few months. For a permanent fix in the Swanley area, we always recommend replacing the failed section with new, correctly weighted lead that is properly bossed and fixed.

How long does it take to replace lead flashing on a standard house?

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Most flashing repairs, such as around a single chimney stack or a porch, can be completed within a single day. Larger projects, like replacing long lead valleys or installing a lead flat roof, may take two to three days. We always aim to keep your home watertight throughout the entire process.

Is lead theft a problem in Kent and how can you prevent it?

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While lead theft can happen, we can use specific fixing methods and high-quality adhesives to make it much harder to remove. For high-risk areas, we can also discuss modern "lead-alternative" products that have no scrap value but offer similar waterproofing performance, though traditional lead remains the gold standard for longevity.

Still have questions? Contact our Croydon & South London Roofing experts today!

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Proudly Serving Orpington, Bromley, Kent & South East London

Kevington Roofing and Building LTD are your trusted local roofing experts, bringing over 25 years of hands-on experience to properties across South East London and Kent. Based in Orpington, we cover a 20-mile radius, providing fully insured, compliant, and reliable roofing solutions. Explore our primary service areas below.

Our Key Service Areas

Bromley & Bexley

  • Bromley: Orpington, Beckenham, Chislehurst, West Wickham, Biggin Hill
  • Bexley: Bexleyheath, Sidcup, Welling, Erith, Crayford
  • Emergency roof repairs across both boroughs

Kent, Croydon & Beyond

  • Kent: Sevenoaks, Dartford, Westerham, Swanley, Longfield
  • Croydon: Purley, Coulsdon, Sanderstead
  • Greenwich & Lewisham: Eltham, Blackheath, Catford
  • Covering a 20-mile radius from Orpington

Your Trusted Local Experts

  • Expertise with 1930s semis & Victorian terraces
  • Compliant with UK building control & local rules
  • Directly employed staff—no unknown subcontractors
  • Over 25 years of proven industry experience

Need Roofing Services?

Contact Kevington Roofing and Building LTD today for a transparent, no-obligation quote or fast response call-out across Kent and South London.

Call Us Today

If your specific location in South East London or Kent isn't listed, please don't hesitate to get in touch! We cover a wide 20-mile radius from our Orpington base.

Our South East London & Kent Coverage

Map shows our primary service areas across Orpington, Bromley, Kent, and South London.

Get Your Free Leadwork & Flashing Quote Today!
Call Croydon & South London's Trusted Roofing Specialists on 01689 663319