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 Northallerton, Bedale, Thirsk, Romanby and the surrounding area.
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.
Step and cover flashing replacement at chimney abutments. Code 4 soakers with Code 5 cover flashing as standard specification.
Lead valley gutter replacement for pitched roofs. Formed and dressed to correct BS 6915 dimensions with proper clips to allow thermal movement.
Lead covering for dormer cheeks, flat dormer roofs and abutment flashings. Common on period properties across the coverage area.
Small lead flat roofs over bay window projections. Frequently the source of persistent leaks on Victorian and Edwardian properties.
Lead parapet gutters on older properties and flat-roofed sections. Correctly sized with proper outlets and dressed into the wall.
Where existing lead is sound but has lifted or the joints have opened, re-dressing and resealing without full replacement.
Northallerton's housing stock is predominantly Victorian and Edwardian town centre properties with Welsh slate or clay plain tile; 1930s semis on residential streets; modern estates on the fringe. Understanding the specific roof types and their failure modes is what separates a knowledgeable local roofer from a national firm that sends whoever's nearest.
Vale of Mowbray location with open exposure from north and east; higher wind exposure than towns sheltered by the Pennines. This directly affects how quickly specific roofing problems develop and which repair approaches last longest in local conditions.
Mortar ridge failure on exposed pitches; lead flashing failure on Victorian town centre stock; nail sickness on 1960s–70s fringe estates. We attend these jobs regularly across Northallerton and carry the most common materials on the vehicle to avoid return visits.
Industry-recognised quality and safety standards.
Written workmanship guarantee on all work.
Fixed quote before we start. No surprises.
We get on the roof before quoting. Always.
Lead flashing from £350. Valley replacement from £600. Free quotes. No call-out fee.
“Period property in town centre — clay plain tile re-roof done correctly. They sourced matching tiles and understood conservation requirements without being told.”
“Velux window had been leaking since it was installed years ago. Turned out to be the wrong flashing kit — replaced it and the leak stopped immediately.”
“Called about ridge tiles after a windy week. On site next day, repointed the full ridge line, spotted a failing flashing we hadn't noticed. Thorough.”
Realistic 2025 prices for Northallerton 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 000 000 for a free written quote.
Lead roofing on Northallerton properties takes several forms depending on the era and type of construction. Georgian and victorian market town properties in the high street and surrounding streets, 1930s and post-war residential development on the outskirts, with vale of mowbray villages in the rural catchment. 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 Northallerton.
Lead failure in Northallerton is almost always caused by inadequate allowance for thermal movement rather than material failure. Open vale of mowbray position with limited shelter from the north — cold easterly winds in winter accelerate mortar deterioration on exposed pitches, and the town sees harder frosts than the sheltered tees valley. 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.
The correct lead specification for Northallerton 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 Northallerton 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 any larger flat areas. These are the correct specifications per the Lead Sheet Association guidelines. Thinner lead is sometimes used to reduce costs — it fails earlier and costs more over the life of the roof.
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 joins not properly lapped. Done correctly, lead is the longest-lasting roofing material available.
Often yes. If the lead sheet itself is in sound condition but has lifted at the joints or pulled away from the wall, re-dressing and resealing is significantly cheaper than full replacement. If the lead has cracked, split under thermal stress or been installed in underspec material, replacement is necessary.
Yes. We're registered with the National Federation of Roofing Contractors, which means we meet recognised industry standards for quality, safety and workmanship. All our 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 — we don't estimate from the street. There's 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, Shildon, Spennymoor, Hurworth, Heighington, Ferryhill, Sedgefield and all surrounding villages.
Yes. We carry £5m public liability insurance on all work. We're happy to provide evidence of insurance cover before starting any job. Never use a roofing contractor who can't provide proof of insurance.
No call-out fee. No obligation. 15 miles from Darlington base via the A167 — typically 25–30 minutes.
01325 000 000