Lead is the most durable roofing material in use — correctly installed, a lead flashing or valley will outlast the roof covering it serves. Southampton's salt-laden coastal air is harder on lead than inland environments, particularly on waterfront properties in Woolston, Weston and the Itchen riverside. We carry out all leadwork to Lead Sheet Association standards across Southampton and Hampshire — properly dressed lead, never mastic.
Specialist leadwork in Southampton costs £250 to £1,000 per junction for flashings, valleys and chimney work, all dressed to Lead Sheet Association standards — never mastic. Correctly installed lead lasts 50 to 80 years. Free quotes across Southampton and Hampshire. Call 0238 184 9628.
Lead is used at every junction on a roof where the covering meets a vertical surface — chimney stacks, dormer walls, abutments, parapet walls and the junctions of extensions with the main house. It is also used in valleys on complex roofs and as gutters on high-end period properties. Done correctly, lead flashings last 50 to 80 years. Done incorrectly or substituted with mastic sealant, they fail within a few years.
The two most common failure modes are thermal movement cracking and failed fixing. Lead expands and contracts significantly with temperature change. If flashing is fixed too tightly without appropriate movement provision, it cracks at fixings over years of thermal cycling. In Southampton's maritime climate, the salt air from the Solent also oxidises lead surfaces faster than inland — not causing failure, but requiring periodic patination oil treatment on exposed sections.
Step flashings at the sides of chimney stacks and back gutter flashings at the rear junction are the most common leadwork jobs on Southampton's Victorian and Edwardian stock. We replace and re-dress to the correct specification — appropriate code lead, correctly stepped, correctly fixed and pointed. We do not use mastic as a substitute for lead work or to patch failed lead sections that need replacing.
Lead valley linings on complex multi-pitch roofs — common on the larger Highfield and Chandler's Ford detacheds — require correct sizing, dressing and joint specification. Undersized lead in a high-rainfall area like Southampton causes overflow. We specify and install to correct standards for the volume of water the valley needs to handle.
Period properties in Southampton's city centre and conservation areas often have lead parapet gutters and flat roof sections. This is specialist work requiring experience with the specific details of these systems. We carry out parapet gutter lining, bay roof lead work and associated flashings on period properties across Southampton.
Call us for a free, no-obligation quote on any leadwork work across Southampton and Hampshire.
0238 184 9628Mon–Fri 8am–6pm · Sat 8am–2pm
Emergency: 24/7
"Lead valleys on our 1935 Highfield detached had failed — three separate runs all needed replacing. They stripped and relaid all three to correct spec. Expensive but done properly. Not a leak since."
"Chimney flashing on our Portswood Victorian was mastic-bodged by the previous owner. They removed all the mastic, stripped and re-dressed in proper lead. Night and day difference in quality."
"Bay roof on our 1930s Shirley semi — lead had split at the drip edge. Relaid correctly with new upstand and drip. Clean work, properly priced."
Chimney step flashing: £250 to £600. Back gutter: £200 to £450. Lead valley per valley: £400 to £1,000. Dormer flashing: £300 to £700. All quoted free before work begins.
Mastic is a sealant, not a structural material. It adheres temporarily and fails within a few years, particularly in temperature-varying environments. Correctly re-dressed lead lasts 50 to 80 years. Mastic on a failed lead flashing is a temporary patch, not a repair.
Yes. Salt air oxidises the lead surface faster than in inland environments, particularly on waterfront properties. This is cosmetic rather than structural — lead performs well in coastal environments — but patination oil treatment on exposed sections extends the decorative life.
The correct code depends on the application. Code 4 (1.8mm) for step flashings and soakers. Code 5 (2.24mm) for back gutters, valleys and bay roofs. Code 6 and above for parapet gutters and flat roof work. We specify correctly rather than using a single code for all applications.
Yes. Parapet gutter lining and associated leadwork on period properties is a regular part of our work in Southampton's city centre and conservation areas.
Yes. Lead flashing failure causing active water ingress is treated as an emergency — same-day attendance across Southampton and all Hampshire. No call-out fee.
Lead valleys are the traditional and most durable option — correctly installed, they last 50-plus years. Dry-fix valley systems use a plastic trough, are quicker to install and cheaper, but have a shorter lifespan and can be noisier. We recommend lead for all period properties and any roof where longevity is the priority.
We are registered with the National Federation of Roofing Contractors. Membership requires proof of public liability insurance, a company check and a commitment to industry standards. Check our membership at nfrc.co.uk.
We carry full public liability insurance. You are completely protected on every job. We provide insurance certificate details on request before any work begins.
All roofing work carries a written 10-year workmanship guarantee. If a problem arises from our workmanship within 10 years, we return and fix it at no charge. The guarantee is provided in writing on completion.
We quote clearly before starting any work. No call-out fees. No surprise extras on the invoice. If additional work is found during a job, we explain and agree a price before proceeding — never after.
Based in Southampton with coverage across Hampshire — free quotes and same-week availability on all roofing work across the following areas:
Covering Southampton, Eastleigh, Totton, Chandler's Ford, Romsey and all of Hampshire.
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