Chimney Repointing &Lead Flashings.
Chimneys take the worst of London's weather and they're the most common cause of mystery damp patches. We rake out the perished mortar, repoint in matched lime or sand-cement, renew the lead apron, soakers and step flashings, and re-flaunch the pot bedding.
From £595
Price
1–2 days per stack
Duration
10-year workmanship guarantee
Warranty
London-wide
Coverage
— Overview
What this service actually involves.
Scaffold up to the stack, rake out joints to 25mm minimum, brush clean, repoint in a colour and aggregate matched mortar (lime for pre-1919 properties, NHL 3.5 typical), bed in new Code 4 lead front apron and back gutter, install lead soakers under every course of slate/tile against the stack, dress step flashings into the chase or stepped joints, and rebuild the pot flaunching in a sloped sand/cement fillet. Every joint pointed, every interface lead-protected.
— Signs you need this
5 things we look for first.
Damp patch on chimney breast wall (especially top floor)
Mortar joints visibly missing or crumbling
Lead flashings curled, lifted or cracked
Cap/flaunching cracked or missing chunks
Brown staining down the brickwork from the stack
— 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.
- Scaffold to the stack (or roof-ladder for accessible stacks)
- Rake out perished joints to 25mm depth minimum
- Repoint in colour & aggregate matched mortar
- New Code 4 lead front apron
- New Code 4 lead back gutter (where required)
- Lead soakers under every course against the stack
- Step flashings dressed into chase or stepped joints
- Rebuild flaunching around pots
- 10-year workmanship guarantee
— How we work
Step by step, fully transparent.
Survey & access
Stack inspected from scaffold or cherry picker. Photo report of every face — joints, flashings, pots, cap.
Rake & clean
Joints raked to 25mm minimum, vacuumed clean, dampened before repointing to prevent suction.
Lead renewal
Old lead stripped, new Code 4 apron, soakers and step flashings installed. Patination oil to prevent white staining.
Repoint & flaunch
Mortar repointed in matched mix, struck flush or weather-struck, flaunching rebuilt around pots.
— 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.
- NHL 3.5 hydraulic lime (pre-1919 properties)
- Colour-matched sand:cement 3:1 (post-1919)
- Code 4 milled lead sheet (BS EN 12588)
- Lead patination oil
- Stainless steel lead clips & wedges
- Sand/cement flaunching mix (3:1)
— Why book with EG Roofing
The from £595 you see is the from £595 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.
10-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. £595 → 3 × £198
4 fortnightly payments — pay over 6 weeks, no interest, no fees if paid on time.
e.g. £595 → 4 × £149
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.
Lime vs cement mortar — which does my house need?
Pre-1919 properties (solid wall, no cavity) need lime mortar — typically NHL 3.5. Cement mortar traps moisture in soft Victorian bricks and causes spalling. Post-1919 cavity-wall houses are fine with 3:1 sand:cement. We assess on survey.
Why is the lead more important than the pointing?
Most chimney damp comes from failed lead flashings, not the mortar. We always renew the lead at the same time as repointing — fixing one without the other rarely solves the damp.
Do we need a sweep before you start?
Not for the external work. If you're capping the chimney off or fitting a new cowl we recommend a sweep first to clear any nest debris.
Will the new mortar match?
We sample the existing mortar, photograph it wet and dry, and mix to colour and aggregate. New lime cures to a near-perfect match within 6–12 months. New cement is matched on the day.
— Free quote in 5 steps
Quote your chimney repointing.
Five quick taps and it lands straight in our WhatsApp — same crew who'd do the job. From £595 · 1–2 days per stack.
— Free quote · 5 quick steps
Book chimney repointing & lead flashings
Quote it.Booked this month.
From £595 · 1–2 days per stack · 10-year workmanship guarantee. Klarna & Clearpay accepted.
— Often paired together
Related services.
Leadwork & Valleys
Code 4 & 5 milled lead, welted joints — 50-year service life.
From £480 · 1–3 days depending on scope
Roof Repairs
Slipped tiles, valleys, ridges — same-day fix across London.
From £140 · Half-day per visit
24/7 Emergency Roofing
Storm damage & active leaks — 2-hour London response, no call-out fee.
£0 call-out · From £180 emergency stabilisation · 2-hour response · stabilise within 1 hour on site