Butler Bespoke Roofing Contractors

Leadwork · Hertfordshire

Leadwork in Harpenden

Lead welding is our speciality across Harpenden — hand-formed flashings, valleys and bay roofs to LSA guidance. AL5 is dominated by big handmade clay tile and natural slate roofs with heavy lead detail on bay windows and dormers — building stock is comparable to Gerrards Cross and Chesham Bois.

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Code 5 lead flashing dressed against a brick chimney stack — leadwork in Harpenden AL5
Leadwork project by Butler Bespoke Roofing in Harpenden: freshly welded lead saddle detail at a chimney back-gutter
Detail: Freshly welded lead saddle detail at a chimney back-gutter
Example leadwork work near Harpenden (AL5) — rebuilt brick chimney stack with fresh haunching and lead soakers
Detail: Rebuilt brick chimney stack with fresh haunching and lead soakers
Harpenden leadwork: small porch roof with lead-flashed junction against the main wall, photographed on a completed Butler Bespoke Roofing job
Leadwork · Harpenden (AL5)

Specialist lead welding and leadwork for Harpenden homeowners

Looking for lead welding and leadwork in Harpenden? We've worked on properties across AL5 and the surrounding Hertfordshire villages for over 15 years. Every job starts with a proper site visit, an honest assessment and a clear written quote — never a rough phone estimate.

  • Lead welding & bossing
  • Chimney & abutment flashings
  • Bay & dormer roofs

Local context — leadwork in Harpenden

Leadwork is our biggest USP and the kind of work that's hardest to find done properly in Harpenden. St Albans District conservation team is among the strictest in the region — original clay tile, Code 5 lead and matching chimney pots are non-negotiable on any AL5 conservation-area reroof. We work to Lead Sheet Association guidance on every job — code 4 for cover flashings, code 5 for valleys and abutments, code 6+ for bay and dormer roofs — and we weld on site rather than relying on mastic.

We work across AL5 with easy access from A1081 and M1 Junction 9.

Why Harpenden homeowners pick Butler Bespoke Roofing

Local knowledge counts. We know the housing stock in Harpenden — what the original roof detailing looks like, what tends to fail, and which materials match best. That means a more reliable repair, a longer-lasting reroof and a quote you can trust.

Frequently asked — Leadwork in Harpenden

Why does my chimney flashing leak?+

Most leaks on Harpenden chimneys come from old mortar fillets, fatigued lead or missing soakers — not the bricks. Properly dressed and welded code 4 or 5 lead is the fix.

Do you weld lead on site?+

Yes — full on-site lead welding for bay roofs, dormers, box gutters and bespoke flashings across Harpenden. It's a traditional craft and our biggest USP.

What code of lead do you use?+

Code 4 for most flashings, Code 5 for valleys and abutments, Code 6+ for bay/dormer roofs. We use the right code for the job — no shortcuts.

Will lead patina match my existing flashings?+

Fresh lead weathers to match within 12-18 months. We can apply patination oil at install to speed up the colour match and prevent white carbonate staining.

How long does properly installed lead last?+

100+ years for sheet lead used correctly. Most leaks we fix in AL5 are mortar-fillet failures or substituted "lead-look" tape — not the lead itself.

Need Roofing Work You Can Rely On?

Speak with Butler Bespoke Roofing for honest advice, a free site visit and a clear, written quote anywhere across Buckinghamshire.