Protecting your property value and safety starts with the right roof. Roofing Services in Clapham help prevent leaks, damp, and energy loss—key risks for homes and businesses alike. Serving London and the Home Counties, each project is handled with care, compliance, and a focus on long-lasting results.
With decades of experience, full Which Trusted Trader and CITB accreditation, plus premium partners like Welsh Slate, ALM Lead, and Kemper, our experts deliver lasting quality. Book a free survey today and protect your property.
Neglecting roofing problems just escalates costs—leaks drive damp, insulation failure bumps up energy bills, and gradual wear causes hidden structural issues. Waiting only raises the stakes for any property owner.
Professional Roofing Services in Clapham proactively resolve these risks, giving you maximum weatherproofing, energy performance, and full building regulation compliance. Homeowners gain peace of mind. Landlords secure long-term value. Business owners ensure safety and efficiency. Across any property, proactive care is a smart, protective investment.
Roofing Services in Clapham cover every aspect—installations, repairs, upgrades, and restorations for homes, businesses, and heritage assets. We focus on long-term performance, full Building Regulations compliance, and premium materials from trusted suppliers. Every job is tailored to your property and delivered with maximum safety, reliability, and care.
Every Roofing Services in Clapham project is adapted to property type, roof structure, and environmental demands. Tailoring ensures compliance with regulations, minimises disruption, and maximises long-term value. From homes and businesses to industrial sites and listed heritage buildings, our flexible approach guarantees roofing solutions that meet unique needs while delivering safety, efficiency, and reliability.
Homes, extensions, and listed buildings.
Offices, retail, schools, and hospitality.
Warehouses, factories, and logistics sites.
Every Roofing Services in Clapham project follows proven steps with quality materials. Whether a new installation, upgrade, or repair, each layer adds durability, safety, and efficiency—tailored to protect your property and meet regulatory standards.
Get a free, no-obligation quote today.
Our experts are standing by to help you choose the perfect flat roofing solution.
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Accredited by Which Trusted Trader, CITB, and approved by Kemper and Westwood, our team delivers safe, compliant, and warranty-protected Roofing Services in Clapham projects. These credentials mean guaranteed standards and long-term assurance—reinforced by the positive client reviews that consistently highlight quality, professionalism, and trust.
Complete reroofing. Living in Singapore at the time and T was super responsive and communicative.
Replacement of lead box gutter and new flashing to parapet wall. I had an excellent experience using James and the team. He was very prompt in all aspects of communication and completed a first class job. Really pleased.
James completed some repairs on our roof and replaced some of our pebble dash by the roof as well. He was very thorough and fixed everything. He kept us really informed by taking photos and showing us what he did and keeping us updated. It also went onto our neighbours roof and he did the same fo...
We had a leak in our bedroom and James fixed the roof for us to stop it from leaking. All the work came with a warranty. The work that was carried out was good. James and his team were polite, and did all the work quickly and without too much interruption to our day-to-day lives. Would recommend ...
J G Leadworks have repaired and replaced the roofs and gulleys over our warehouse and workshops which have meant both areas are now watertight
James and team were incredibly responsive to my request to look at a serious leak issue on my flat roof. They did a very thorough investigation and explained in detail the issue and gave a fair quote. They were quick to book in and complete the work and have checked in afterwards a few times to m...
James was quick to respond to the initial contact and was able to work around some time constraints I had. He explained what needed doing clearly and was happy to answer follow up questions. He took pictures to show each stage and I feel confident in the work that was done by James and the team. ...
JG Roofing were very easy to work with. Their quote was sensible and they stuck to that figure. They completed many repairs to my roof including, rebuilding a leaded gutter, reinforcing rotten rafters, rebuilding a long felted gutter and felting parapet walls, resurfacing and felting a flat roof,...
Planning and legal checks protect clients from costly errors, delays, and non-compliance, ensuring roofing projects meet regulatory and safety requirements.
Permission is typically required for listed properties, conservation areas, or major roof alterations. All projects must also satisfy Building Regulations, including Part A (structural safety) and Part L (energy efficiency), ensuring compliant and future-proofed installations.
Our team manages the full process, from initial surveys to legal guidance, preparing documentation, and liaising with local authorities where needed. Whether working on modern homes or heritage sites, we ensure every project is delivered legally, safely, and with minimal disruption—providing complete reassurance and peace of mind to property owners.
Every project unites skilled workmanship with rigorously tested materials.
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With 25 years of experience in lead sheet roofing, James is a trusted expert in heritage roofing, slate, and tiling. His knowledge of traditional methods, paired with modern compliance, makes him a go-to specialist for projects that demand both craftsmanship and durability.
Roofing Services in Clapham provides lasting protection, efficiency, and value, delivering durable, compliant roofing solutions that safeguard every type of property investment.
Selecting Roofing Services in Clapham involves balancing durability, budget, compliance, and aesthetics to secure the best-fit roofing solution for your property.
Why Clients Choose JG Leadwork and Roofing
With decades of trade experience, our teams understand the unique demands of London and Home Counties roofing. From heritage-listed properties to contemporary extensions, we adapt solutions to local regulations, weather conditions, and architectural styles with precision.
Accredited by Which Trusted Trader, CITB, and approved by Kemper, Westwood, IKO, ALM, and other leading suppliers.
These credentials guarantee safety, compliance, and access to manufacturer-backed warranties, giving clients peace of mind that their project meets the highest professional standards and benefits from warranty protection.
Our heritage projects use Welsh Slate and handmade clay tiles for authenticity, while leadwork is delivered to Lead Sheet Association (LSA) standards. Commercial installations employ Kemper and Westwood liquid systems for durability and efficiency. Each example demonstrates our reliability, blending traditional craftsmanship with modern performance.
Our workforce includes skilled roofers, heritage specialists, and safety-certified installers.
Every roofer holds NVQs, receives ongoing CPD training, and is qualified in both modern flat systems and traditional techniques, including slate and leadwork.
Team structure ensures projects run smoothly—surveyors identify needs, installers deliver with precision, and supervisors oversee compliance. This approach minimises disruption, accelerates timelines, and guarantees consistent quality across residential, commercial, and industrial roofing projects.
Every project is regulation-compliant, warranty-backed, and focused on long-term results.
Client testimonials and case studies confirm our track record, with projects praised for professionalism, durability, and customer support.
We go beyond installation with aftercare packages, maintenance support, and open communication at every stage. Property owners gain reassurance that JG Leadwork and Roofing stands behind its work. Book a free survey today and discover why homeowners, landlords, and businesses trust us with their roofing.
Get a free quote, rapid response, and expert service across London and the Home Counties. Contacting JG Leadwork and Roofing is your simple first step to dependable roofing solutions.
We source materials from leading suppliers including Supreme and IKO felt systems, Kemper, Westwood and Proteus liquid systems, Welsh Slate, handmade clay tiles, ALM Lead Mills, and Nicholson Air Track. These trusted brands guarantee durability, compliance, and warranty-backed performance across flat, pitched, heritage, and commercial roofing projects.
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For homes, Roofing Services in Clapham safeguards comfort and enhances kerb appeal with durable, energy-efficient systems. Whether modern extensions or traditional pitched roofs, tailored solutions improve living standards and protect property value.
For businesses, Roofing Services in Clapham delivers cost-effective, large-scale installations with minimal disruption. Projects are planned around operations, with safety compliance, energy performance, and flexible scheduling built in—supporting offices, retail, schools, and industrial facilities with reliable, regulation-ready outcomes.
For heritage properties, Roofing Services in Clapham combines authentic materials such as Welsh slate, handmade clay tiles, and ALM lead with skilled conservation techniques. Listed building consent and conservation requirements are fully managed, ensuring traditional character is preserved while integrating modern weatherproofing. This careful balance provides long-term durability without compromising historic integrity or aesthetic value.
JG Leadwork and Roofing delivers Roofing Services in Clapham across housing, commercial, heritage, and public sectors. Every industry comes with unique requirements, from safety and compliance to efficiency and conservation. Our adaptability ensures projects are delivered with precision and professionalism—whether safeguarding homes, supporting business continuity, preserving history, or protecting critical public and healthcare facilities.
Durable roofing installed with minimal disruption, ensuring safe, regulation-compliant workspaces for staff and visitors.
High-standard, compliance-focused solutions protect community facilities while meeting strict safety and regulatory obligations.
Heavy-duty roofing tailored for wide spans, ventilation, and long-term maintenance efficiency.
Authentic materials and sensitive methods preserve historic character while adding modern protection.
Weatherproof systems that enhance kerb appeal and guarantee uninterrupted trading for outlets.
Tailored roofing improves guest comfort, safety, and ambience across hotels, restaurants, and venues.
Safe, durable systems designed for schools and universities with minimal learning disruption.
Specialist roofing solutions built for hygiene, safety, and regulatory compliance in medical environments.
Our team of NVQ-qualified roofers, LSTA-trained specialists, and health & safety-compliant professionals bring decades of combined experience. Every project is delivered with meticulous attention to detail, ensuring safe practices and consistent quality across flat, pitched, heritage, and commercial roofing disciplines.
Expertise includes heritage leadwork, slate and tile roofing, modern flat systems, and drone-assisted roof surveys. Ongoing CPD training ensures adaptability to both traditional craftsmanship and the latest innovations—giving clients confidence that every roof is built or repaired with proven skill and care.
A thorough survey highlights existing issues, structural considerations, and upgrade opportunities, ensuring the best-fit solution is identified from the very beginning.
Transparent, itemised quotes detail costs, timelines, and materials—giving you complete clarity and confidence before work starts, with no hidden surprises.
Scaffolding, access solutions, and robust safety measures are put in place to safeguard both property and people throughout the project.
Skilled roofers complete the work using accredited materials and proven techniques, delivering durable, compliant results while keeping disruption to a minimum—whether for repairs, replacements, or new installations.
Each stage is inspected against manufacturer standards and Building Regulations, with photographic documentation provided for transparency and peace of mind.
Each stage is inspected against manufacturer standards and Building Regulations, with photographic documentation provided for transparency and peace of mind.
In a competitive roofing market, many providers look the same on paper. JG Leadwork and Roofing stands out through proven expertise, accredited methods, and specialist techniques. Our combination of traditional craftsmanship and modern technology makes us the safer, smarter choice across residential, commercial, industrial, and heritage projects.
In a competitive roofing market, many providers look the same on paper. JG Leadwork and Roofing stands out through proven expertise, accredited methods, and specialist techniques. Our combination of traditional craftsmanship and modern technology makes us the safer, smarter choice across residential, commercial, industrial, and heritage projects.
At JG Leadwork and Roofing, every project follows a structured QA process. Each stage—materials, installation, safety, and final sign-off—is measured against manufacturer specifications and UK Building Regulations to ensure durability, compliance, and warranty-backed performance across all roofing services.
Projects are only signed off once all QA checks are complete, giving clients confidence in long-term performance, structural safety, and insurance-backed peace of mind.
Every Roofing Services in Clapham project by JG Leadwork and Roofing is delivered in strict alignment with UK Building Regulations and recognised frameworks. This ensures structural safety, energy efficiency, durability, and protects warranties and insurance coverage across residential, commercial, industrial, and heritage properties.
Clients can be confident their project is completed legally, safely, and insurance-ready—delivering long-term performance, compliance assurance, and complete peace of mind.
Property owners often wonder about Roofing Services in Clapham—from costs and timescales to permissions. Below, you’ll find straightforward, trustworthy answers to the most frequent and practical queries.
When water finds its way indoors after a downpour, a roof rarely has just one weak spot. For property owners, residential and commercial managers, or anyone responsible for building upkeep, understanding the root causes behind leaks is essential for early, effective action. Leaks can lead to damaged interiors, increased energy bills, and potential insurance complications if left unchecked. Below, you’ll find the core culprits—each explained in clear terms so you can spot them and make informed decisions.
A common root cause of leaks is deterioration or damage to the outer roof covering—this could be worn-out membranes on flat roofs or broken slates/tiles on pitched roofs. With time, exposure to the UK’s persistent freeze–thaw cycles weakens these protective layers. Membrane shrinkage, cracks, or blisters can appear in felt, EPDM, or GRP systems, letting water pass through during heavy rainfall. On pitched roofs, cracked or slipped tiles create direct paths for rain to enter, especially in older properties where the fixings have corroded.
How this appears:
Ignored, these leaks can rot roof timbers, degrade insulation, and result in sagging ceilings. Left unchecked, they may invalidate insurance or compromise a property’s structural safety.
The flashing—thin strips of waterproof material around chimneys, roof valleys, dormers, or where walls meet roofs—regularly lets properties down. Lead, aluminium, or mortar flashings can crack, become dislodged, or corrode over years of expansion and contraction, causing gaps. Even minor splits quickly become escalated leak paths in a storm.
How this appears:
Water bypasses the main roof covering, enters at joints, flows down internal walls, and may cause hidden decay (e.g., in timber supports or wall plates). High risk in wind-driven rain—typical in exposed regions or after storms.
A roof’s shape, falls, and internal airflow can create additional vulnerabilities. Standing water (ponding)—when pools form for more than 48 hours after rainfall—often signals insufficient slope or blocked drains on flat roofs. Over time, ponding can cause membrane material to deteriorate, crack, and eventually fail.
In cold weather, if insulation is inadequate or interrupted, interstitial condensation—where warm, moist air meets a cold surface within the roof build-up—can occur. Over months, this leads to persistent damp patches, mould, and decay, even if the outer covering is intact. The UK’s Building Regulations Part L (Conservation of fuel and power) directly reference the need for correct insulation and ventilation to prevent such hidden damage.
Inspection cues:
Consequences:
Chronic dampness weakens the roof structure over time and affects thermal performance, raising energy bills and increasing repair costs.
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