Leadwork &Valleys.
Lead is the only flashing material that genuinely lasts the life of a roof. We hand-form, dress and welt in Code 4 and Code 5 to the Lead Sheet Training Academy spec — for valleys, abutments, dormer cheeks, parapet gutters and step flashings.
From £480
Price
1–3 days depending on scope
Duration
20-year workmanship guarantee
Warranty
London-wide
Coverage
— Overview
What this service actually involves.
We strip the existing failed lead, prep the substrate (timber valley boards, lead-welted upstands, chase grooves), then form new lead from rolls of BS EN 12588 milled sheet. Valleys are laid in 1.5m lengths max with 150mm laps and lead clips, never silicone. Step flashings are folded, welted and wedged into chases. Patination oil applied to prevent white carbonate run-off. Done properly, lead lasts 50+ years.
— Signs you need this
5 things we look for first.
Valley leaking despite repeated silicone repairs
Lead split lengthways down the middle (thermal fatigue)
Step flashing visibly pulled out of the brickwork chase
Dormer cheek lead curling, splitting or showing daylight
White streaks down the wall from fresh-but-failing lead
— Included in the price
A fixed price means a fixed scope.
No hidden extras. Materials, access, disposal and a written guarantee are all in the headline number.
- Strip & dispose of failed lead (or salvage for scrap credit)
- Substrate prep — valley boards, chase grooves
- New Code 4 or Code 5 milled lead (BS EN 12588)
- Hand-formed, dressed, welted to LSTA spec
- Lead clips at all free edges (no silicone)
- Lead wedges into chase grooves where required
- Patination oil to prevent white run-off
- 20-year workmanship guarantee
— How we work
Step by step, fully transparent.
Survey
Identify why the existing lead failed — almost always too long a single length (>1.5m), missing welts, or silicone instead of clips.
Strip & prep
Old lead off, substrate checked, valley boards repaired or replaced, chase grooves raked clean.
Form & dress
Lead measured, cut to LSTA-spec lengths, dressed in place with boss-stick and dressers, welted at joints.
Clip & oil
Clipped at all free edges, wedged into chases, patination oil applied to prevent the white carbonate staining of fresh lead.
— Materials & kit
What we specify.
The unglamorous detail that decides whether the work lasts five years or twenty-five. Trade-grade or manufacturer-spec only — never builders' merchant own-brand.
- Code 4 milled lead (1.80mm) — BS EN 12588
- Code 5 milled lead (2.24mm) — for valleys & gutters
- Lead patination oil
- Stainless steel lead clips
- Lead wedges (rolled lead)
- Boss-stick & dressers (no power tools on lead)
— Why book with EG Roofing
The from £480 you see is the from £480 you pay.
Eight advantages built into every job — the things our customers tell us actually matter.
Fixed price, no surprises
Quoted before we arrive. Materials, access and disposal are all in the headline number.
Booked within the week
Most jobs scheduled within 5–10 working days. Same-week for active leaks.
20-year workmanship guarantee
Written workmanship guarantee on every job, lodged to your email after sign-off.
Before & after photos
WhatsApp photo sign-off before final payment — you see the work even if you're at the office.
12+ years on London roofs
Same two-roofer crews — never sub-contracted. Public liability cover £2m.
4.9★ on Google & Checkatrade
Hundreds of reviews from SW19, CR0, BR1, SE and Central London commercial.
Clean site, zero debris
Drives and borders sheeted, all waste taken away — skip only when the strip volume needs it.
One direct point of contact
WhatsApp the same roofer who quoted you — no call-centre, no chasing.
— Flexible payment
Spread the cost. Interest-free.
Pay how it suits you. Split the cost into 3 interest-free instalments with Klarna or Clearpay, settle by bank transfer on completion, or pay by card or cash. Your choice — we don't add a surcharge.
3 interest-free payments — first today, then every 30 days. Soft credit check, instant decision.
e.g. £480 → 3 × £160
4 fortnightly payments — pay over 6 weeks, no interest, no fees if paid on time.
e.g. £480 → 4 × £120
Card on completion
Tap, chip + PIN or contactless via Stripe terminal. Visa, Mastercard, Amex. Receipt by email.
Bank transfer or cash
Faster Payments on the day, or cash on completion. VAT receipt issued for landlords and small businesses.
Klarna and Clearpay are FCA-regulated payment providers. 18+, UK residents, subject to status. Missed payments may affect your ability to use these services. Full T&Cs at klarna.com and clearpay.co.uk.
— Frequently asked
4 answers before you book.
Why does old lead split?
Lead expands and contracts massively with temperature. A single length over 1.5m can't accommodate the movement and fatigue-cracks down the middle. Always laid in short lengths with welted overlaps.
Code 4 vs Code 5 — what's the difference?
Code 4 is 1.80mm thick — used for flashings, soakers, step work. Code 5 is 2.24mm — used for valleys, parapet gutters and anywhere with foot traffic or water carrying. We spec based on the application, not the cheaper option.
What's patination oil for?
Fresh lead reacts with rainwater to form white lead carbonate, which runs down the wall as ugly white streaks. Patination oil seals the surface so it weathers evenly to the classic dark grey.
Can we use lead-effect alternatives?
Yes — Ubiflex, Hertalan EPDM-lead, etc. They look acceptable, install faster, and last 15–20 years. But on conservation properties or where you want 50+ year peace of mind, real milled lead is still the right answer.
— Free quote in 5 steps
Quote your leadwork & valleys.
Five quick taps and it lands straight in our WhatsApp — same crew who'd do the job. From £480 · 1–3 days depending on scope.
— Free quote · 5 quick steps
Book leadwork & valleys
Quote it.Booked this month.
From £480 · 1–3 days depending on scope · 20-year workmanship guarantee. Klarna & Clearpay accepted.
— Often paired together
Related services.
Chimney Repointing & Lead Flashings
Lime mortar, Code-4 lead — stops chimney damp for good.
From £595 · 1–2 days per stack
Roof Repairs
Slipped tiles, valleys, ridges — same-day fix across London.
From £140 · Half-day per visit
New Slate & Tile Roofs
Welsh slate, clay & concrete — built for the next forty winters.
From £8,950 · 5–10 working days