Correctly installed lead outlasts every other roofing material. We use Code 4 and Code 5 sheet lead for all flashings, valleys and flat lead sections. Covering Yarm, Eaglescliffe, Kirklevington, Ingleby Barwick and the surrounding area.
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Guarantee
Lead Roofing in Yarm typically costs £180–£400 for single flashing repair, rising to £400–£1,200 for valley re-lining. Free survey and a written itemised quote first. Call 01325 787169.
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Lead Roofing in Yarm
Lead Roofing — Yarm
Correctly installed lead outlasts every other roofing material. We use Code 4 and Code 5 sheet lead for all flashings, valleys and flat lead sections. Lead flashing from £350. Valley replacement from £600. Free quotes.
Chimney Flashing
Step and cover flashing replacement at chimney abutments. Code 4 soakers with Code 5 cover flashing as standard.
Lead fails from fatigue and thermal movement, not from wear. Oversized sheets, wrong-code lead and unsupported laps are the three things that cause it — all of them installation faults rather than material faults. Across Yarm the pattern is fairly consistent: Georgian High Street properties, Victorian villas and modern executive estates.
A split or crack running across a flashing or valley
Lead lifted out of the brickwork joint at a chimney or abutment
White powdery deposits on the lead surface
Staining on the wall or ceiling directly below a lead detail
Lead that ripples or buckles noticeably in summer heat
When it is not the answer: Lead does not need replacing simply because it looks old. Properly sized and fixed lead lasts well over a century — a patina is not a defect and anyone quoting on appearance alone is quoting for nothing.
Chimney lead detail: apron, stepped flashing and back gutter are where stack leaks begin.
Lead Roofing in Yarm
Why Does Local Roofing Knowledge Matter?
Yarm's housing stock is predominantly Georgian townhouses on the High Street and adjacent streets with clay plain tile and Welsh slate; Victorian semis on the residential fringe; modern detached on the outskirts toward Eaglescliffe. Knowing the specific roof types and their failure patterns is what separates a knowledgeable local roofer from a national firm that sends whoever's nearest.
Climate & Roofing in Yarm
River Tees on three sides creates higher humidity than inland towns, accelerating moss growth and mortar decay. Conservation area status applies to much of the town centre, restricting material choices on period properties. This directly affects how quickly specific problems develop and which repair approaches last longest in local conditions.
Common Lead Roofing Issues in Yarm
Lead flashing failure on Georgian and Victorian town centre properties; moss accumulation from river humidity on north-facing slopes; clay plain tile slippage on older properties; conservation area material constraints. We attend these jobs regularly across Yarm and carry the most common materials on the vehicle.
Darlington Roofing ExpertsCovering: Yarm & surrounding area
Call: 01325 787169
Response: 14 miles from Darlington — typically 20–25 minutes
Hours: Mon–Fri 7:30am–6pm · Sat 8am–2pm Emergency: 24/7
The process
How a Yarm Lead Roofing Job Runs
1. Survey the detail
We establish why it failed — sheet size, code, fixing or substrate — because replacing like for like repeats the fault. For Yarm properties this is where the era of the building starts to matter.
2. Specification
Correct lead code for the application and sheet sizes within Lead Sheet Association limits, with expansion allowance designed in.
3. Access
Scaffold or tower depending on the detail, with the roof planes below protected.
4. Strip and prepare
Old lead removed, substrate checked and repaired, and the joint or chase raked out ready.
5. Dress and fix
Lead hand-dressed on site, fixed with lead wedges and clips, laps and welts formed to allow movement.
6. Patination and sign-off
Patination oil applied to prevent staining runoff onto brickwork, then photographs and written guarantee. Waste leaves the same day on Yarm jobs rather than sitting in a skip on the street.
The one thing we do differently in Yarm: we photograph the roof void as well as the covering, because Georgian High Street properties, Victorian villas and modern executive estates hides most of its problems inside.
Timescales
Job Durations at a Glance
Job
Typical duration
Single flashing repair
2–4 hours
Chimney flashing renewal
1–2 days
Valley re-lining
2–3 days
Bay roof or porch lead
2–3 days
Parapet gutter re-lining
3–5 days
Lead can be dressed in cold weather but patination oil needs a dry surface to work. We finish leadwork on a dry day or return to apply it.
These are Yarm timings with local access factored in — Tees loop position brings river fog and damp still air that keeps north-facing roofs green.
Access
Scaffold, Skips & Street Access
Lead details are usually reached from tower or scaffold depending on height and duration. Scaffold is specified for: chimney flashings, valley re-lining, parapet gutters and any lead detail above single storey - always itemised in your written quote, never a hidden extra, and we arrange it.
Yarm High Street is a conservation area with cobbled frontages, wynds too narrow for a wagon and heavy footfall — scaffold there is a licensed, carefully programmed job through Stockton-on-Tees Borough Council. Pavement scaffold and skip permits go through Stockton-on-Tees Borough Council; allow a few working days on streets like High Street, Atlas Wynd, Silver Street where space is tight.
Pricing
Real Yarm Prices for Lead Roofing
Job
Typical range
Notes
Single flashing repair
£180–£400
Where the surrounding lead is sound
Chimney flashing renewal
£350–£700
Apron, step and cover flashings
Valley re-lining
£400–£1,200
Per valley, Code 4 or 5
Bay or porch roof in lead
£900–£2,200
Hand-dressed, patination treated
Parapet gutter re-lining
£1,200–£3,000
Period and commercial stock
Lead soakers to an abutment
£250–£600
Per elevation
What moves the price
Lead code required for the application — heavier code costs more per square metre
Area and the number of separate sheets, since sizing limits are non-negotiable
Substrate condition beneath the old lead, which is unknown until it is lifted
Access and scaffold, particularly for parapet and valley work
Whether the detail is being redesigned because the original was wrongly sized
Worked example: A split valley on a Victorian villa in Yarm — old lead stripped, substrate boarded, Code 5 lead re-laid in correctly sized sheets with welted laps and patination oil applied — £1,340 including scaffold.
No deposit on repairs under £500. Larger leadwork is staged with nothing payable before materials are on site. Lead code and sheet sizing are stated on the quote.
These are Yarm prices. Access is the main local variable: Yarm High Street is a conservation area with cobbled frontages, wynds too narrow for a wagon and heavy footfall — scaffold there is a licensed,…
Guarantee
Guarantee Terms for Yarm Customers
Workmanship guaranteed for 10 years. Correctly specified lead itself has a service life measured in generations, which is why sheet sizing and fixing method are stated in the quote.
Covered: workmanship for 10 years, in writing, transferable if you sell.
On top: manufacturer warranties on materials (terms vary by product).
Not covered: storm or impact damage - that is an insurance matter, and we will document it for your claim.
If a fault appears in covered work, we come back and put it right. No quibbling, no re-charge.
Guarantee documents for Yarm jobs include the completion photographs, so what was done is on record rather than remembered.
Good to know
Disruption, Mess & Weather
Quiet, clean work by roofing standards. Some hammering while lead is dressed, and a scaffold if the detail is high up. You do not need to stay home for external work - we just need power and access agreed in advance. In Yarm we keep the working area sheeted throughout rather than just at the end.
Leadwork runs year-round — it is one of the few roofing trades genuinely unaffected by cold, though wet surfaces delay patination. Tees loop position brings river fog and damp still air that keeps north-facing roofs green.
Customer Reviews
What Yarm Customers Say
★★★★★
“Georgian terrace on West Street — lead valley and chimney flashing replaced correctly. Conservation requirements met without any issues.”
Victoria S. · West Street, Yarm
★★★★★
“Moss removal and soft-wash treatment on our Victorian semi near the river. The difference is remarkable — and no tile damage.”
Charles W. · High Street, Yarm
★★★★★
“Full re-roof on our riverside property. Matching clay tile sourced and laid properly. Job finished on time and exactly as quoted.”
Margaret F. · Church Wynd, Yarm
Covering TS15 and surrounding postcodes.
Free Quote — Yarm
Lead flashing from £350. Valley replacement from £600. Free quotes. No call-out fee.
Realistic 2025 prices for Yarm properties. All quotes are free, written and itemised before work begins.
Job Type
Typical Cost
Lead flashing — chimney abutment
£350–£700
Lead valley replacement (per m)
£200–£350/m
Bay window lead flat roof
£400–£800
Dormer lead work
£500–£1,200
Lead soakers (per 10)
£150–£300
Lead re-dressing and resealing
£150–£400
All prices are installed costs. Call 01325 787169 for a free written quote.
The Most Common Lead Work on Yarm Properties
Lead roofing on Yarm properties takes several forms depending on the era and type of construction. Georgian townhouses on the high street and adjacent streets with clay plain tile and Welsh slate, Victorian semis on the residential fringe, modern detached on the outskirts toward eaglescliffe. Chimney flashings are the most frequent repair call — step and cover flashings at chimney abutments that have either been incorrectly installed, installed in underspec material, or simply reached the end of a 40–60 year lifespan. Valley gutters on pitched roofs and flat lead sections over bay windows and porches are the other common lead work items we attend in Yarm.
Why Lead Fails in Yarm's Climate
Lead failure in Yarm is almost always caused by inadequate allowance for thermal movement rather than material failure. River tees on three sides creates higher humidity than inland towns, accelerating moss growth and mortar decay — conservation area status applies to much of the town centre. A 3m lead valley sheet can move 15–20mm between midwinter and midsummer. If the sheet is fixed at multiple points and cannot move freely, it splits at the fixings over time. We form all lead bays to Lead Sheet Association specification — maximum 1.5m for Code 4, 2.25m for Code 5 — with correct clips rather than through-fixings.
Lead Specification for Yarm Properties
The correct lead specification for Yarm varies by application. Code 4 lead (1.8mm) for chimney soakers and stepped flashings; Code 5 (2.24mm) for cover flashings and valley gutters; Code 6 (2.65mm) for larger flat roof sections and parapet gutters. Using Code 3 lead — which some contractors use to reduce material costs — on applications that require Code 4 or 5 produces a product that fails significantly earlier than correctly specified lead. All our lead work in Yarm is specified to BS EN 12588 and installed to Lead Sheet Association guidelines.
Code 4 lead (1.8mm) for soakers and stepped flashings. Code 5 lead (2.24mm) for cover flashings and larger flat areas. These are the correct specifications per the Lead Sheet Association guidelines.
Lead correctly installed to BS 6915 specification lasts 60–100 years. The failures we see are almost always installation errors — lead fixed too rigidly without allowance for thermal movement, or installed in underspec material.
Often yes. If the lead sheet is sound but has lifted at the joints or pulled away from the wall, re-dressing and resealing is significantly cheaper than full replacement.
Yes. We're registered with the National Federation of Roofing Contractors, meeting recognised industry standards for quality and safety. All work comes with a written 10-year workmanship guarantee.
Yes. All quotes are free, no-obligation and provided in writing. We get on the roof to measure and inspect before quoting — no estimates from the street, no call-out charge for the survey visit.
We cover Darlington and approximately a 20-mile radius including Stockton-on-Tees, Middlesbrough, Newton Aycliffe, Bishop Auckland, Northallerton, Yarm, Eaglescliffe, Barnard Castle, Richmond and all surrounding villages.
Yes. We carry £5m public liability insurance on all work and are happy to provide evidence of cover before starting any job.
