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 Specialists in Maidstone


Call Your Local Maidstone Expert
01689 663319
Serving Maidstone & Kent

Why Properly Installed Lead Flashing Matters for Your Roof

Roof flashing serves as the vital weatherproofing bridge between your roof covering and the structural elements that intersect it, such as chimneys, brick walls, and skylights. Over time, exposure to harsh sun, heavy rain, and freezing winter temperatures can cause older materials to crack, lift, or perish, leaving your property vulnerable to severe water ingress.Ignoring failing chimney flashings or cracked lead valleys can lead to extensive rot within your roof timbers, compromised loft insulation, and costly internal ceiling damage. By investing in professional roof maintenance and upgrading to high-grade milled lead, you are creating a flexible, highly durable barrier that naturally expands and contracts with temperature changes. This proactive approach not only stops immediate leaks but also preserves the structural integrity of your entire building for decades to come.

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 Deliver Long-Lasting Lead Flashing and Valleys

Every leadwork project we undertake follows a meticulous process to guarantee a flawless finish and long-lasting protection. Here is how our experienced roofing contractors handle your installation or repair:Comprehensive Inspection: We begin with a thorough assessment, often utilising our advanced drone roof surveys to safely inspect hard-to-reach chimney stacks and lead valleys without immediate scaffolding.Safe Removal and Preparation: Our team carefully strips away any damaged, perished, or slipped flashing, ensuring the underlying brickwork and mortar are clean, solid, and ready for new materials.Custom Lead Fabrication: Using premium milled lead, we carefully cut, shape, and dress the material on-site. This traditional leadwork approach ensures a perfect, watertight fit around the specific contours of your roof and brickwork.Secure Installation and Treatment: We securely point the new flashing into the brickwork and finish the surface with a coating of patination oil. This crucial final step prevents white carbonate stains from streaking down your roof tiles and brickwork over time.

The Benefits of Upgrading Your Roof Flashing

Choosing Kevington Roofing and Building LTD for your roof flashing repairs and leadwork installations brings a host of immediate and long-term advantages to your property:Unmatched Longevity: Properly installed milled lead is incredibly resilient and can last for well over 60 years, providing exceptional value for money and long-term peace of mind.Total Weatherproofing: Lead is completely impermeable to water. Our custom-shaped lead valleys and chimney flashings create a robust seal that eliminates the risk of water ingress and subsequent structural dampness.Improved Kerb Appeal: Freshly dressed leadwork offers a neat, traditional aesthetic that complements both heritage properties and contemporary housing, boosting the overall look of your exterior.Flexibility and Durability: Unlike rigid modern alternatives that can crack under pressure, traditional lead expands and contracts naturally, preventing stress fractures during freezing Kent winters and hot summer months.If you have noticed damp patches near your chimney breast or damaged roof valleys, it is time to act. Contact us on 01689 663319 to request a fast response call-out.

Meeting Building Regulations Across Maidstone and Kent

Navigating the local building regulations and conservation area rules in Maidstone and the wider Kent region can be daunting for homeowners. Our team at Kevington Roofing and Building LTD takes the stress out of compliance. We understand the specific architectural requirements of the local housing stock, ensuring that our leadwork respects the character of older heritage properties while meeting all current UK building control standards.We are a fully registered UK company (No: 12676001) and hold comprehensive public liability insurance, guaranteeing that your home is in safe hands. Furthermore, we never use unknown subcontractors; all our work is carried out by our own directly employed, highly trained staff. This means you receive consistent, high-quality workmanship, transparent itemised quotes, and total peace of mind that your roof repairs have been completed safely and legally.

Trusted Kent Leadwork Specialists Covering Your Area

While we are proud to be the go-to experts for leadwork and flashing in Maidstone, our services extend across a wide 20-mile radius. We are proud to serve communities throughout South East London and Kent. You can rely on our trusted roofing experts in Maidstone, Sevenoaks, Dartford, and surrounding areas. We also frequently provide emergency roof repairs across the London boroughs of Bromley, Bexley, Greenwich, Lewisham, and Croydon.Whether you need a minor lead flashing replacement in Orpington, comprehensive roof valley repairs in Sidcup, or structural assessments for a complete re-roof in Westerham, we bring the same level of dedication and 25 years of expertise to every job. Our goal is to provide honest, reliable service to our local community, ensuring your property is protected against the elements.

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

Common Questions About Roof Leadwork and Flashing Repairs

What is milled lead, and why do you use it?Milled lead is manufactured by passing solid lead through heavy rollers to create sheets of uniform thickness. We use it because of its incredible consistency, durability, and flexibility, making it the perfect material for creating watertight seals around chimneys and roof valleys.How do I know if my chimney flashing needs replacing?Look out for water stains on your ceiling or walls near the chimney breast. Externally, if the lead looks cracked, lifted out of the brickwork, or completely missing, it is crucial to arrange a professional roof inspection before water ingress causes hidden timber rot.How long will new lead flashing last?When installed correctly by an experienced Kent leadwork specialist and treated with patination oil, high-quality leadwork can easily last between 50 to 100 years. It is one of the most cost-effective long-term investments you can make for your roof maintenance.Looking for related services? Be sure to explore our Drone Roof Surveys to spot hidden flashing damage early, or view our Chimney Repointing Services and Roof Valley Repairs for comprehensive chimney care.

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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