Chimney repair specialists covering Bath and surrounding areas. Repointing, lead flashings, pot replacement, flaunching. NHL lime mortar for all Bath stone and period properties. Free assessment, no call-out fee.
Chimney repairs in Bath cost 150 to 800 pounds and up, covering repointing, lead flashings, pot replacement and flaunching. Bath stone stacks require NHL lime mortar, which we carry as standard. All four faces inspected on every survey. NFRC registered, no call-out fee. Call 0122 528 7924.
Honest advice
Do You Actually Need Chimney Repairs?
Chimney trouble shows as damp on the breast inside, crumbling mortar, or a leak where the stack meets the roof. On Bath's soft stone stacks, eroded lime pointing and failed lead are the usual causes.
Damp staining on the chimney breast inside the house
Crumbling or missing mortar in the stack
A leak in the ceiling near the chimney
Loose or leaning pots
Vegetation growing from the stonework
When it is not the answer: If only the flaunching or a length of flashing has failed, you don't need a full rebuild — a targeted lime repair is far cheaper and keeps the original stack. Read the full guide.
Chimney lead weatherproofing: flashing, apron and back gutter
✓ NFRC Registered
✓ Fully Insured
✓ 10 Year Guarantee
✓ Free Quotes
✓ Lime Mortar Specialists
✓ Listed Building Experts
Chimney Repairs Bath
Chimney Repair Specialists in Bath
Bath's dense concentration of Georgian, Victorian, and Edwardian properties with limestone and Bath stone chimneys creates a specialist chimney repair market unlike most UK cities. The lime mortar requirement on Bath stone and Doulting stone is non-negotiable — cement mortar on soft oolitic limestone causes spalling within 10 to 20 years and creates planning enforcement risk on listed properties within the World Heritage Site.
Why Mortar Specification Matters in Bath
NHL 2 lime mortar is the correct specification for Bath oolite and Doulting stone chimneys. NHL 3.5 for harder limestone. Flexible cement for post-war brick. Rigid cement on period Bath stone is the single most damaging chimney repair mistake — it causes the stone face to spall from differential thermal movement. We confirm the masonry type on every survey before any mortar is specified, and include the specification in writing in every quote.
All Four Faces — Not Just the Street Elevation
Every chimney survey inspects all four faces of the stack. North-facing and rear faces consistently show more advanced mortar deterioration than the visible front face on Bath properties. A written quote that covers only the visible face is an incomplete quote. We photograph all four faces and the written quote covers the full stack condition found at survey.
Lead Flashing Failure — Bath's Most Common Chimney Repair
Step flashing failure at the chimney base is the most common chimney repair call across Bath. Code 4 and Code 5 lead sheet carried on all vehicles for same-visit repair. When step flashings are replaced, soakers beneath the slates are always inspected at the same time — failed step flashings indicate soaker deterioration and leaving the soakers causes repeat failure within 5 years.
For chimney repairs in Bath call 0122 528 7924. Free assessment, lime mortar specialists, no call-out fee.
The process
How a Bath Chimney Repairs Job Runs
1. Four-face survey
We inspect every face of the stack — the weather-facing sides erode faster than the one you see — and photograph the faults.
2. Written quote
We quote the repointing, flashing, flaunching or rebuild needed, using lime mortar for Bath's soft stone, at a fixed price.
3. Scheduling & access
We book the work and arrange the tower or scaffold access a stack needs for safe standing time.
4. The work
We rake out failed mortar, repoint in matched NHL lime, renew lead flashing and flaunching, and re-bed pots as needed.
5. Cleanup & sign-off
We clear debris, leave the stack weathertight, and hand over your guarantee.
Timescales
Job Durations at a Glance
Job
Typical duration
Re-flaunching / re-bed pots
Half a day
Lead flashing renewal
Half to full day
Stack repointing (lime)
1–2 days
Partial stack rebuild
2–3 days
Full stack rebuild
3–5 days
Lime mortar needs frost-free conditions to cure properly, so we schedule stack work around cold snaps in winter.
Access
Getting Safely onto Bath Roofs
Chimney work almost always needs a tower or scaffold for safe standing time at the ridge — itemised in your quote, never a hidden extra. Scaffold is specified for: nearly all stack work — safe access to the ridge is essential and always specified - always itemised in your written quote, never a hidden extra, and we arrange it.
Bath's Georgian and Victorian terraces mean tight pavements, controlled parking, and rear-access scaffold on many streets. Pavement scaffold and skip permits go through Bath & North East Somerset Council; allow a few working days on streets like Milsom Street, Broad Street, Margaret's Buildings where space is tight.
Pricing
What Chimney Repairs Costs in Bath
Job
Typical range
Notes
Re-flaunching / re-bed pots
£150–£350
Per stack
Lead flashing renewal
£250–£600
Stack-to-roof junction
Stack repointing (lime)
£350–£850
Four faces, NHL lime
Partial stack rebuild
£800–£2,000
From roofline up
Full stack rebuild
£1,800–£4,000+
Incl. scaffold
What moves the price
Soft Bath stone requiring NHL lime mortar, never cement
How many faces of the stack have failed (weather sides worst)
Access height and scaffold vs tower for safe standing time
Whether pots, flaunching and flashing all need renewal
Worked example: Repointing all four faces of a soft-stone stack in lime plus renewing the lead flashing on a Widcombe hillside terrace: around £900 including tower access.
No deposit on smaller chimney repairs. Staged payment on rebuilds, balance on completion — nothing before materials are on site. VAT included.
Covering BA1, BA2 and surrounding postcodes.
Guarantee
Your Guarantee, Explained
Chimney workmanship is guaranteed for 10 years, extending to rebuilds and full repointing; because we use correct NHL lime, the work lasts rather than damaging the stone as cement does.
Covered: workmanship for 10 years, in writing, transferable if you sell.
On top: manufacturer warranties on materials (terms vary by product).
Not covered: storm or impact damage - that is an insurance matter, and we will document it for your claim.
If a fault appears in covered work, we come back and put it right. No quibbling, no re-charge.
Good to know
What It Is Like While We Work
Stack work means access equipment up for a few days and some mess at the base — we sheet and protect below, and clear everything on completion. You do not need to stay home for external work - we just need power and access agreed in advance.
Lime pointing waits for frost-free weather to cure; we won't point a stack into a cold snap and risk the mortar failing. Bath's valley setting holds humidity, so north-facing slopes dry slowly and moss builds up through autumn.
Reviews
Chimney Repairs — Bath Homeowners
★★★★★
“Full chimney repoint on our Georgian Bath stone terrace. NHL 2 lime mortar colour-matched. All four faces done, documentation provided for our listed building file. Exactly right.”
Victoria R. · Lansdown, Bath
★★★★★
“Step flashing and soaker replacement on our Victorian Bathwick property. Code 5 lead, correctly dressed. They checked the soakers at the same time without being asked. Professional.”
Edward L. · Bathwick, Bath
★★★★★
“Emergency chimney flashing repair after active water ingress. Called at 8am, attended by 10am. Lime mortar used correctly on our Bear Flat stone property. No call-out fee.”
Free assessment within 2 to 4 working days. All four faces of the stack inspected — not just the accessible front elevation. Mortar specification confirmed in writing before any mixing. Lead flashing and soaker condition assessed at the same visit. Written fixed-price quote before work starts. 10-year workmanship guarantee. For listed properties, mortar specification documentation provided for conservation files. No call-out fee on the assessment visit.
Chimney Survey
Chimney Surveys and Repairs in Bath
Lime Mortar — The Non-Negotiable Specification
Bath stone and Doulting stone chimneys require NHL 2 lime mortar for all repointing. Using cement mortar on these stones causes spalling from differential thermal movement — the mortar is harder than the stone, so movement is absorbed by the stone face rather than the joint. The damage is irreversible without stone replacement. Within the World Heritage Site, incorrect mortar on a listed chimney creates planning enforcement risk with reinstatement liability. We carry pre-mixed NHL 2 and NHL 3.5 lime mortar on all vehicles and confirm the masonry type before any mixing on every Bath chimney job.
What the Survey Covers
Every chimney survey inspects all four faces of the stack — not just the accessible street elevation. North-facing and rear faces consistently show more advanced mortar deterioration than the visible front. The survey covers: joint condition on all faces, lead flashing at the base, flaunching around pot bases, pot integrity, and any structural movement at the stack base. For Georgian properties, the back gutter or saddle behind the stack is assessed. The written quote covers the full stack condition found, not just the visible face.
Curing and Seasonal Scheduling
Lime mortar requires protection from rapid drying for 3 to 5 days after application. For summer pointing work we dampen the surrounding masonry and shade where possible. For winter work below 5 degrees, lime mortar work is deferred — frost damage to uncured lime is irreversible. We advise on seasonal scheduling for any Bath chimney repointing job as part of the initial survey. Emergency patch repairs in any season use appropriate materials for the conditions.
FAQ
Frequently Asked Questions
Chimney repairs in Bath typically cost between 150 and 800 pounds and up, depending on scope. Repointing a standard stack runs 250 to 650 pounds, lead flashing repair 200 to 600, and pot replacement 80 to 200. Bath stone and limestone stacks need NHL lime mortar, which we carry as standard. We survey all four faces of the stack, since the weather-facing sides deteriorate faster than the street elevation, and provide a free written quote before any work starts. Call 0122 528 7924.
Chimney repairs on Bath's period and listed properties must use NHL lime mortar, never cement. Bath stone is a soft oolitic limestone that must breathe, and cement traps moisture inside the stone, forcing it out through the face and causing it to spall and crumble irreversibly within 10 to 20 years. Historic England guidance is explicit that soft limestone requires lime mortar. We match the lime grade, colour and joint profile to the original so the repair is both durable and correct for the conservation setting.
Yes, we carry out chimney repairs on listed and conservation-area properties throughout Bath. On listed buildings, work affecting the stack's character may require listed building consent from Bath and North East Somerset Council before it begins, and all pointing must use lime mortar matched to the original under the Planning (Listed Buildings and Conservation Areas) Act 1990. We advise on whether consent is needed, work to conservation standards, and liaise with the conservation officer as part of the job so the repair is compliant as well as sound.
Correctly executed lime repointing on a Bath stone chimney lasts several decades, typically 40 to 60 years, before it needs attention again. The key is using the right mortar for the stone: a proper NHL lime repoint outlasts a cement one, which will have failed and damaged the soft stone within 20 years. Longevity also depends on the stack's exposure — Bath's hillside stacks in Widcombe and Lansdown catch the prevailing weather and may weather faster on their exposed faces than a sheltered street elevation.
Yes, we offer 24/7 emergency chimney repair across Bath for storm-damaged stacks, dislodged pots, and lead flashing failures letting water into the property. We typically reach Bath addresses within 60 to 90 minutes and make the stack and roof safe on the first visit, securing or removing dangerous masonry and sealing the point of water entry. A permanent lime-mortar repair follows once conditions allow, and we provide a written report where an insurance claim is involved. Call 0122 528 7924 at any hour.
We carry out the full range of chimney repairs in Bath: lime repointing of eroded joints, renewal of lead flashing and soakers where the stack meets the roof, re-flaunching to bed loose pots, pot and cowl replacement, and full or partial stack rebuilds where the masonry has failed. On Bath's soft stone stacks all mortar work uses NHL lime, and we survey every face of the stack before quoting, since the north and weather-facing sides are usually worse than the elevation visible from the street.
Yes, all our chimney repairs in Bath carry a written workmanship guarantee, extending to 10 years on larger works such as rebuilds and full repointing. Because we use the correct NHL lime mortar and matching materials for Bath's soft stone stacks, the work is built to last rather than to fail and damage the stone, as cement repairs do. You receive the guarantee in writing on completion, along with a record of the materials and methods used, which is useful for listed and conservation-area properties.
Get In Touch
Free Chimney Repair Quote — Bath
No call-out fees. No obligation. Lime mortar specialists for Bath period properties.
