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Home/Services/Leadwork/Chimney flashing
Chimney flashing in York, dressed in code 4 and code 5 lead
Stepped flashing, back-gutter and front apron in BS EN 12588 sheet lead, chased a full 25mm into a brick course, wedged with lead and mortar pointed. Free survey, fixed written quote within 24 hours.
- Code 4 steps, code 5 back-gutter, the right code shown on the day
- Chased 25mm into the brick, lead wedged, mortar pointed
- Scaffold arranged and included in the quote, never an extra
07500 544781 Speak to Elliott directly, weekdays and Saturday mornings
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What goes into the job
A proper flashing is four pieces, not one
Stepped flashing on the sides, a back-gutter behind, a front apron at the base and the mortar that holds it all in. Skip any one and the leak comes back inside two winters.
Stepped flashing
Code 4 steps cut to the brick course, chased 25mm deep, wedged with lead and pointed.
Back-gutter and front apron
Code 5 behind the stack, code 4 apron at the base. The single most-leaked detail on a York chimney.
Pointing and mortar
Mortar matched to the chimney, hydraulic lime on listed and conservation-area buildings.
How it works
Surveyed, quoted, dressed, pointed
The same four steps whether it is one small stack or a tall exposed twin.
Send a photo or ring
WhatsApp a picture of the stack from the ground. Usually enough for a same-day ballpark, free.
Free survey
We gauge the lead code, check the chase depth, the back-gutter and the mortar, and show you what we find.
Fixed quote in 24h
A clear written price within 24 hours of survey. Scaffold and pointing included, never an extra.
Dressed and pointed
A single stack takes one to two days. Old lead off, new lead chased in, wedged and pointed, offcuts taken away.
Cost, honestly
What chimney flashing should cost
Most York roofers will not publish prices. These bands come from chimney flashing jobs across York and the villages in the last twelve months.
£
Small stack, £350 to £500A single straight code 4 flashing on a short or single-sided stack, pointing included.
££
Medium stack, £600 to £900Code 4 steps both sides, code 5 back-gutter, front apron and renewed pointing. The most ordered job.
£££
Tall stack, £900 to £1,400Code 5 throughout, lead tray at the base if needed, full re-point of the stack.
24h
The quote is the priceFixed in writing within 24 hours of survey, valid while you decide.
Reviews
Chimney work rated 5.0 by York homeowners
★★★★★TrustATrader
"I would highly recommend EJL. I was given Elliott's name from my neighbour who'd had work done. Rebedded and replaced my ridge tiles. Brilliant communication throughout."
Chloe CRidge tiles rebedded, Copmanthorpe
Before you book
Chimney flashing questions
How much does chimney flashing cost in York?
A single straight code 4 flashing on a small stack typically runs £350 to £500. A stepped flashing with back-gutter and apron on a medium stack is £600 to £900. A full code 5 dress on a tall exposed stack with a back-gutter and lead tray is £900 to £1,400. Scaffold is included where needed and the price is fixed in writing within 24 hours of the free survey.
What code of lead should be used on a chimney?
Code 4 for stepped flashings, code 5 for the back-gutter behind the stack, code 5 or code 6 if the stack is tall and exposed. Code 3 is too thin for a vertical or stepped detail on a brick or stone chimney and shouldn't appear on a chimney flashing job.
What's a back-gutter and do I need one?
A back-gutter is the strip of lead that sits behind the chimney where the roof slopes down towards it. It catches the water shed by the roof above and diverts it around the stack. If your chimney is mid-slope or has roof above it, a back-gutter is essential. Most chimney leaks in York are failed back-gutters, not failed step flashings.
Can you do chimney flashing on a listed building?
Yes. We use milled BS EN 12588 lead as standard and switch to sand-cast lead where a listing officer requires it. Listed building consent is usually straightforward for like-for-like flashing replacement. See our conservation leadwork page for more.
How long does chimney flashing take?
A single stack typically takes one day on site, occasionally two if the chase needs cutting back and re-pointing or if the stack itself needs minor brickwork. Scaffold goes up the day before and comes down the day after.
Do I need scaffold for chimney flashing?
Almost always. A single stack on a bungalow can sometimes be done from a roof ladder, but anything on a two-storey house or above needs proper scaffold. We arrange and include scaffold in the quote, never as an extra.
How long will new chimney flashing last?
Code 4 or code 5 lead, properly dressed and pointed, typically lasts 60 to 100 years. The lead outlives the mortar pointing, which usually needs renewing every 30 to 40 years on an exposed stack. Mortar is included in the quote where it needs renewing.
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Ring Elliott, send a photo of the stack on WhatsApp, or book a free survey with the form above. Fixed quote in 24 hours, scaffold and pointing included, no pestering afterwards.