Leadwork & Flashing Across Bucks, Berks & Herts
Roof junctions can be a source of leaks. We renew and reshape lead flashings, valleys and soakers so chimneys, walls and valleys stay watertight.
Checkatrade member · 16 years' experience · Free, no-obligation quotes
Before & after
See the difference on a real leadwork & flashing job
Our work
Supplied leadwork & flashing project photos
Service overview
What leadwork & flashing involves, and why it matters
What it is
Flashing is the weatherproof seal where your roof meets a wall, chimney, dormer or another roof slope. Lead is the traditional material because it can be shaped to fit. Leadwork also includes valleys, soakers and lead around soil pipes.
Who it's for
Homeowners with leaks around chimneys, dormers, extensions or valleys, or with split, lifted or missing lead.
When you need it
Look for split or lifted lead, mortar falling out of the joint above the flashing, damp around a chimney breast, or leaks near where an extension joins the house.
Why use a professional roofer
Leadwork must be cut, dressed and fixed correctly to allow for movement. Badly fitted lead splits within a few seasons. We reshape or renew it properly.
The cost of waiting
What happens if you leave it
Roof junctions can be a source of leaks and may need attention during an inspection.
Hidden leaks
Water entering at a flashing often runs along timbers and appears somewhere else.
Wall and chimney damp
Failed flashings let water soak into brickwork and chimney breasts.
Timber rot at junctions
Valleys and abutments carry a lot of water, so a leak here rots timbers quickly.
Repeat call-outs
Sealant on failed lead buys time, then fails again.
Common mistakes homeowners make
- Using sealant or flashing tape on lead
- Fitting lead pieces that are too long
- Not repointing the lead into the wall
- Ignoring the valley when tiles are repaired
Our process
Five clear steps from first call to finished job
- 1
Contact
Call or send an enquiry during working hours to discuss your roofing needs.
- 2
Scope
Discuss the roof condition, access and proposed work with Billy.
- 3
Free quote
All work is quote-only, with free, no-obligation quotes.
- 4
Agree details
Confirm materials, timing, payment arrangements and how any additional work would be agreed before accepting.
- 5
Guarantee terms
New pitched roofs carry a 20-year guarantee. Flat roof guarantee length varies by system. Ask what terms apply to this job.
Benefits and considerations
Results depend on the roof condition, specification and work agreed. Customer feedback describes individual jobs, not a guarantee of the same outcome. Ask for the scope and applicable guarantee terms in your quote.
Long-lasting seal
Properly dressed lead resists weather far better than sealant.
Leaks stopped
Fixing junctions solves many of the leaks other repairs miss.
Protects brickwork
Keeps water out of walls and chimney breasts.
Explained clearly
Customers say Billy explained the work and what was needed.
Free quotation
Work is quote-only. Confirm the scope and how any additional costs would be agreed before accepting.
Insured
£1m public liability insurance and Checkatrade member.
In detail
Materials and methods to discuss
These are general roofing considerations, not a confirmed specification for every job. Materials, matching, access and installation details need to be agreed with Billy for your roof.
Different junctions need different leadwork details.
Chimney flashing
Step and apron flashings around chimneys, reshaped or renewed and repointed.
Abutment flashing
Where a roof meets a wall, such as on extensions and dormers.
Lead valleys
Valleys between roof slopes carry heavy water flow and need sound linings.
Soakers
Individual lead pieces under tiles at abutments.
Lead slates for soil pipes
We replace lead slates around soil and vent pipes, a job we have done for customers in KT11.
Getting leadwork & flashing right
Lead is used on roofs because it is durable and can be shaped by hand to fit almost any junction. But it also expands and contracts with temperature. If pieces are too long or fixed too rigidly, the lead fatigues and splits. Good leadwork uses correctly sized pieces, laps and fixings so it can move without cracking.
Flashings are typically tucked into a mortar joint in the wall or chimney and then pointed in. When that pointing fails, the top of the flashing comes away and water runs down behind it. Often a full replacement is not needed; re-wedging, re-pointing and reshaping can restore the seal.
Valleys are another key area. They carry water from two roof slopes, so any split or debris build-up causes a leak quickly. Valleys may need assessment as part of a roof inspection, depending on the work required.
Warning signs of failing leadwork include lead that has visibly lifted away from the wall, cracks or splits along the lead, gaps in the pointing above the flashing, and damp patches on internal walls next to chimneys or where extensions meet the main house.
Flashing tape and sealant are sometimes used as quick fixes. They can buy time, but they break down in UV light and lose their grip, and the leak returns. Lead is a commonly used material for roof junctions. Suitability depends on the roof detail and proposed repair.
Why homeowners choose BMB Roofing
BMB Roofing is owned and managed by Billy, who has 16 years of roofing trade experience. The business has traded for over two years and works with a dedicated on-site team.
All work is quote-only, with free, no-obligation quotes. Payment is by bank transfer or cash only; deposit and staged-payment requirements have not been provided.
The supplied reviews include individual accounts of communication, paying the quoted price and tidy sites. These are customer experiences, not universal promises about timing, price changes or results.
BMB Roofing is a Checkatrade member and carries £1 million public liability insurance. New pitched roofs come with a 20-year guarantee; flat roof guarantee length varies depending on the system installed. Working hours are Monday to Friday, 8am to 7pm.
What to expect on the day
Before accepting your quote, discuss the work included, materials, access, expected timing and payment arrangements with Billy.
Ask how any additional work and costs would be agreed if the roof reveals further issues. Timing can depend on the scope, access and weather.
Payment is by bank transfer or cash only. Ask for the guarantee terms applicable to your job; only new pitched roofs have a confirmed 20-year guarantee, and flat roof guarantee length varies by system.
What customers say
10/10 · Supplied review excerpt
"I had 5 quotes and found Bill to be the most thorough when assessing the work. He took the time to show me photos of the work needed to fix the roof. The quote was very competitive and he gave me a lot of confidence he was the right person to complete the work. The work was completed to a high standard. Even when some additional repairs were needed he explained the work and communicated exactly what was needed.…"
10/10 · Supplied review excerpt
"I was impressed by the two man team who looked at the roof edge and chimney problem and assessed what action was needed. They did not try and sell me a new roof or new chimney but were very honest and efficient. A price was quoted and a date set. They turned up on time and cleaned up after them and I paid the quoted price. They were also helpful and engaging. I would heartily recommend them. They did a good job.…"
10/10 · Supplied review excerpt
"I had a leak from my roof due to a problem with my ridge tiles and called BMB Roofing. I was really impressed with their work ethic and professionalism from start to finish. They didn't cut any corners and made sure the job was done correctly and to a high standard, They were very customer-orientated, happy to explain everything and answered any questions I had.…"
Where we work
Leadwork & Flashing across Bucks, Berks and Herts
BMB Roofing is based in TW19 5NG and provides residential roofing services across Buckinghamshire, Berkshire and Hertfordshire, including the named towns listed here.
Leadwork & Flashing: your questions answered
How much does lead flashing repair cost?
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It depends on the amount of lead and access. We provide a free, no-obligation quote.
How long does it take?
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Duration depends on the amount of work and access. Ask Billy about timing.
Can lead be reshaped rather than replaced?
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Sometimes, yes. We reshaped leadwork for a customer in HP1 rather than replacing it.
Is there a guarantee?
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A guarantee for this type of work has not been specified in the supplied business information. Ask Billy whether any guarantee applies and for its terms.
Do you do leadwork in Rickmansworth?
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Yes, and across Amersham, Chesham, Hemel Hempstead, High Wycombe, Maidenhead, Reading, Henley-on-Thames and Basingstoke.
How long does leadwork last?
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Correctly fitted lead typically lasts a very long time. Lifespan depends on installation and exposure.
Do you offer emergency call-outs?
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No. We work Monday to Friday, 8am to 7pm, and do not offer emergency call-outs outside those hours. Call or send the form and we will respond within working hours.
How do I pay?
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We accept bank transfer or cash.
Are you insured and accredited?
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Yes. BMB Roofing is a Checkatrade member and carries £1 million public liability insurance.
What happens if extra work is needed once you start?
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A roof may reveal further issues once opened up. Before accepting your quote, ask how additional work and any changes in cost would be agreed. The supplied business information does not specify this policy.
Will I be dealing with the owner?
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BMB Roofing is owned and managed by Billy, who has 16 years of roofing trade experience, and works with an on-site team. Contact the business to discuss who will assess and carry out your work.
Is the quote really free?
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Yes. Every quote is free and comes with no obligation. We work strictly on a quote basis, so you know the price before any work starts.
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Get your leadwork & flashing sorted, at a price agreed up front
Free, no-obligation quote. Honest advice. Checkatrade member with £1m public liability insurance. Mon–Fri, 8am–7pm.
07379 843940Prefer to write? Contact us.