Lead flashing, repointing, stack repairs and pot replacements across Chichester. Lime mortar specialists for conservation area and listed properties — from the Cathedral Close to Victorian terraces citywide.
Chimney repairs in Chichester cover repointing (£350–£900), lead flashing (£350–£750) and pot replacement, using lime mortar on period properties. Most problems are repairable without a rebuild. Free survey, no call-out fee. Call 01243 278085. Period and conservation area expertise across Chichester and West Sussex.
Chimney repair in Chichester demands a level of material knowledge that goes beyond standard roofing work. The city's Georgian and Victorian housing stock — concentrated around the Cathedral Close, East Street, and the terraced streets of St Pancras — contains masonry that cannot accept Portland cement mortars. Using the wrong mortar on historic Chichester brickwork accelerates spalling and can cause long-term structural damage to the stack.
We specify and use lime mortar on all conservation area chimney work across Chichester. We source mixes matched to the original mortar colour and composition where possible, and we're experienced in working alongside Chichester District Council's conservation team when consent matters arise.
Lead flashing failure is the most common chimney call-out in Chichester. The salt-laden harbour air accelerates oxidation of lead folds, and north-facing chimneys on Victorian terraces across Whyke and St Pancras are particularly vulnerable — the combination of persistent damp and salt air degrades the lead bonding to the brickwork over time.
Lead flashing strip and re-dress: £350–£800 · Stack repointing: £200–£600 · Pot replacement (per pot): £150–£400 · Flaunching replacement: £150–£350 · Partial rebuild: from £600. Free quotes on all work.
Need a roofer in Chichester? Call us now — free quotes, no call-out fee
01243 278085"We needed chimney repointing on our Georgian townhouse near the Cathedral. It had to be lime mortar and match the existing profile. These guys knew exactly what was needed — no explanation required. Excellent work."
"Lead flashing had completely failed on our Victorian terrace in St Pancras. Full strip back and new lead installed. The quality of the leadwork is exceptional — very clearly done by people who take pride in it."
"Cracked chimney pot and open flaunching on our Selsey bungalow. They came out within the week, replaced the pot, re-haunched the stack and checked the lead while up there. All in one visit."
Chichester has one of the most varied chimney stocks of any town its size in southern England. The Cathedral and the buildings of the Cathedral Close include some of the finest ecclesiastical chimney work in the country. The Georgian townhouses on The Pallants and East Street have elegant brick stacks with decorative pots and moulded flaunching. The Victorian terraces of St Pancras and Whyke have substantial brick stacks with clay soakers and lead flashings, most of which have not received significant attention since construction. The post-war estates in Portfield and Donnington have simpler concrete and brick stacks with standard pots — a different set of problems but no less in need of attention. We work on all of them.
The failure modes differ by property age and position. On Victorian and Edwardian properties, the original lime mortar pointing has carbonated and softened over 100 years of weather exposure. The lead flashings — both the soakers that tuck into each tile course and the stepped flashings on the face of the stack — have often been patched rather than properly replaced, and the patches have lifted. The flaunching — the mortar bed the pot sits in — cracks with the freeze-thaw cycling that is more severe on exposed chimney tops than anywhere else on the building. On post-war properties, the problem is more commonly inadequate original specification: sand-cement flaunching that has spalled, single-piece lead aprons rather than soakers, and pots that were never mechanically fixed. On harbour-adjacent properties in Fishbourne, Bosham and Emsworth, salt aerosol corrodes lead flashings at an accelerated rate.
Free survey — no call-out fee — Chichester & West Sussex
📞 01243 278085Every chimney repointing job we carry out on a Victorian or Edwardian property in Chichester uses lime mortar. This is not a preference — it is the correct specification. Portland cement is harder than the surrounding brick and causes the brick faces to spall as the mortar expands and contracts through thermal cycling. On a chimney stack, which experiences the most extreme temperature cycling of any element of the building, the damage from Portland cement repointing is accelerated. Lime mortar is softer than the brick, flexible enough to accommodate movement, and vapour-permeable in a way that Portland cement is not. The correct NHL lime specification for a Chichester Victorian chimney depends on the brick type, exposure position and age of the structure — we mix to the appropriate specification for each job.
Lead flashing is the most consequential element of chimney weathering and the most frequently bodged. The correct installation uses individual lead soakers at each tile course, with a separate stepped cover flashing over them, secured into a raked mortar joint in the brickwork. This two-component system allows the flashing to move with the chimney and the roof independently — which they do, at different rates. A single-piece lead apron welded to the tile surface has no provision for movement and will lift within a decade. We replace chimney flashings in Code 4 lead, properly formed to Lead Sheet Association guidance, with chase fixings into raked mortar joints rather than mastic or silicone. We do not patch: where lead has deteriorated significantly, the entire flashing set is replaced.
Most chimney problems in Chichester — including those that have been causing damp for years — are repairable without a rebuild. Repointing, flashing replacement, pot replacement and flaunching renewal cover the vast majority of cases. A rebuild is needed when the stack has developed structural movement — visible lean or displacement — when spalling has progressed to the point where individual bricks are no longer structurally sound, or when mortar failure has been so comprehensive that the masonry is unstable. We assess this at the survey and will give you a clear view of which category your chimney falls into. A rebuild recommendation from us means a rebuild is genuinely necessary — not that it is more profitable.
Many Chichester properties have chimney stacks serving fireplaces that have not been used for decades. Unused chimneys still need weathering attention — in some ways more so than active ones, because they are not generating the heat that dries out moisture ingress. An uncapped or poorly ventilated unused chimney accumulates moisture internally, wets the flaunching and accelerates mortar joint failure. We advise on the correct approach for unused chimneys: capping with a ventilated cap that prevents water ingress while maintaining airflow through the flue; repointing in the correct mortar specification; and treating the flaunching where deterioration has begun. For chimneys that are being permanently decommissioned — where the flue is being sealed at the fireside — we advise on the ventilation requirements that remain necessary even after sealing.
On the Victorian terraces of St Pancras, Whyke and the surrounding streets, chimney stacks frequently straddle the party wall between adjacent properties. This creates both a practical and a legal dimension to chimney repair. The stack is jointly owned by both properties in most cases, and both owners typically have an interest in maintenance being carried out correctly. Where we are asked to carry out repointing or lead replacement on a shared stack, we advise the customer on the party wall position and recommend that both parties are involved in agreeing the specification and cost. This avoids disputes about scope and contribution after the work is done. We have carried out many joint-party chimney repairs on Chichester terraces and can manage the communication with both parties if that is helpful.
Chimney repointing in Chichester costs £200–£600 depending on the stack size and mortar specification (lime mortar for conservation areas costs more than Portland cement mixes). Lead flashing strip and re-dress: £350–£800. Chimney pot replacement: £150–£400 per pot. Free quotes on all chimney work.
Yes, always. Portland cement is not appropriate for historic masonry — it's harder than the surrounding brickwork and causes spalling over time. All our chimney repointing in the Cathedral Close, The Hornet, and other conservation areas uses an appropriately specified lime mortar mix. We can advise on the right mix ratio for your property.
The three most common causes in Chichester are: failed lead flashings at the base of the stack (accelerated by salt air corrosion), open or spalled pointing in the stack itself allowing water penetration, and cracked or displaced chimney pots. We diagnose the exact cause on inspection before quoting.
For like-for-like repairs using appropriate materials (lime mortar, matching brick), consent is not usually required. If you're changing the chimney height, adding or removing pots, or the property is listed, we'd recommend checking with Chichester District Council's conservation team — we can advise based on your specific situation.
We would recommend a HETAS-registered sweep and inspection before using the fireplace if the chimney has had water ingress. A leaking chimney stack can cause mortar deterioration inside the flue, and wet or softened refractory material is a potential hazard. Get the chimney repaired and swept before lighting the fire.
Annual inspection is the right interval for most Chichester properties — ideally in late summer before the heating season starts. Properties in exposed positions, those with lime mortar stacks, and any chimney that has had previous repair work benefit most from consistent annual checking. We include a chimney condition note in our survey reports.
Minor flaunching repairs and pot replacements can sometimes be done from a cherry picker or long ladder on single-storey elements. Full chimney repointing, lead flashing replacement and any structural work on a standard two-storey Chichester property requires scaffold for safe access and quality of work. Scaffold costs are included in our quotes.
No call-out fees. No obligation. Just an honest quote from a local Chichester roofer who turns up when they say they will.
01243 278085 ✉ Email Us InsteadFor stack repointing, flaunching and cowls specifically, see chimney repointing — lime mortar specialists for Chichester's period stacks.