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⚒ Specialist Leadwork · Southampton

Leadwork &Lead Flashings

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.

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Quick Answer

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.

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Leadwork Southampton

Leadwork in Southampton

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.

Why Lead Fails on Southampton Properties

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.

Chimney Flashings

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 Valleys

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.

Parapet and Flat Roof Lead Work

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.

Typical Costs — Southampton 2025

Chimney step flashing replacement£250–£600
Chimney back gutter replacement£200–£450
Lead valley replacement (per valley)£400–£1,000
Dormer flashing replacement£300–£700
Bay roof lead replacement£350–£800
Parapet gutter lining (per metre)£80–£160

Free Quote

Call us for a free, no-obligation quote on any leadwork work across Southampton and Hampshire.

0238 184 9628

Mon–Fri 8am–6pm · Sat 8am–2pm
Emergency: 24/7

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Also Available Near You

SouthamptonEastleighHedge EndTottonChandler's FordRomsey
Leadwork By Area

Specialist Leadwork Near Southampton

Leadwork Eastleigh Leadwork Hedge End Leadwork Totton Leadwork Chandler's Ford Leadwork Romsey
What Do Our Customers Say?

What Do Southampton Homeowners Say?

★★★★★

"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."

Professor A.R. · Highfield, Southampton
★★★★★

"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."

Sandra M. · Portswood, Southampton
★★★★★

"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."

Anthony D. · Shirley, Southampton
Honest advice

Do You Actually Need Leadwork?

Lead weatherproofs the junctions where a roof is most vulnerable — valleys, chimneys, abutments and bay tops. Failed lead is behind many Southampton leaks.

When it is not the answer: A sound lead flashing that has simply lifted can often be re-dressed rather than renewed — we will not replace lead that has life left in it Read the full guide.

Chimney lead detail showing stepped flashing, apron and back gutter
Correctly dressed lead at the chimney: stepped flashing, apron and back gutter in the right code.
The process

From First Call to Sign-Off

1. Free survey

We identify the failed lead detail — valley, soaker, apron, back gutter or bay top — and its cause on your Southampton roof.

2. Written itemised quote

You get a clear quote for the leadwork, sized and coded correctly, with no obligation.

3. Scheduling & access

We arrange scaffold where the detail needs it and book a convenient time.

4. The work

We strip the failed lead and dress new code-appropriate lead in correct bay lengths, to Lead Sheet Association detail, so it lasts decades not years.

5. Cleanup & sign-off

We clear the site, confirm the junction is watertight, and hand over the guarantee.

Timescales

Job Durations at a Glance

JobTypical duration
Re-dress lifted flashing2–4 hours
Chimney flashing renewalHalf to 1 day
Lead valley replacement1–2 days
Bay roof or abutment leadwork1–2 days

Leadwork runs in most weather; only heavy rain or high wind pauses work at height.

Access

Getting Safely onto Southampton Roofs

Leadwork at valleys and chimneys usually needs scaffold for safe access, itemised in the quote. Scaffold is specified for: chimney, valley and abutment leadwork above single-storey - always itemised in your written quote, never a hidden extra, and we arrange it.

Southampton’s Victorian terraces off Portswood and in Bevois Valley often have no side access, so repairs there need pavement scaffold and a council permit rather than a ladder. Pavement scaffold and skip permits go through Southampton City Council; allow a few working days on streets like Bevois Valley Road, Portswood Road, the terraced streets off Northam Road where space is tight.

Pricing

Leadwork Prices in Southampton

JobTypical rangeNotes
Re-dress lifted flashing£150–£350Per detail
Chimney flashing renewal£350–£750Per stack
Lead valley replacement£600–£1,400Per valley
Bay / abutment leadwork£500–£1,200Scope dependent
Code-8 lead per detailQuotedSized to LSA detail

What moves the price

Worked example: A new dressed-lead valley on a Victorian terrace in St Denys: around £850 including scaffold.

No deposit on standard leadwork; payment on completion. Written itemised quote, VAT included where applicable.

Covering SO14, SO15, SO16, SO17, SO18, SO19 and surrounding postcodes.

Guarantee

The Guarantee in Plain Terms

Leadwork is guaranteed for 10 years; correctly sized and dressed lead to LSA detail lasts far longer.

If a fault appears in covered work, we come back and put it right. No quibbling, no re-charge.

“The Lead Sheet Association specifies maximum bay lengths for each lead code to prevent thermal-movement fatigue cracking — the single most common cause of failed leadwork on older Southampton roofs.”— Lead Sheet Association (LSA)
Good to know

Disruption, Mess & Weather

Localised, external work — minimal noise and little waste — with no need to be home. You do not need to stay home for external work - we just need power and access agreed in advance.

Leadwork runs year-round; the junction is made watertight before we leave each day. Southampton’s position at the head of Southampton Water brings humid, salt-influenced air and south-westerly Solent gales that drive weather onto exposed roofs.

FAQ

Frequently Asked Questions

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.

NFRC Registered

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.

Fully Insured

We carry full public liability insurance. You are completely protected on every job. We provide insurance certificate details on request before any work begins.

10-Year Guarantee

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.

No Hidden Costs

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.

Coverage

We Cover All of Southampton and Hampshire

Based in Southampton with coverage across Hampshire — free quotes and same-week availability on all roofing work across the following areas:

Eastleigh Hedge End Totton Chandler's Ford Romsey Winchester Fareham Gosport Waterlooville Bursledon Fair Oak Portswood Bitterne Shirley Highfield
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Covering Southampton, Eastleigh, Totton, Chandler's Ford, Romsey and all of Hampshire.

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Last updated: August 2026

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