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⭐ Repointing · Flashing · Pot Replacement · Stack Removal · Free Quotes

Chimney Repairs Farnham

Chimneys are the most exposed part of any roof — and one of the most common sources of leaks in Farnham's period housing stock. We repair, repoint and waterproof chimneys across Farnham and Surrey, from a simple flashing re-seal to a full stack rebuild.

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✓ Period Property Specialists
✓ Lead Flashing Experts
✓ Stack Removal & Rebuild
✓ Free Written Quotes
✓ Fully Insured

Chimney repairs in Farnham cost £150–£800 for repointing, flashing replacement and flaunching, with stack rebuilds priced separately. On pre-1919 properties we always use lime mortar, never cement, to prevent brickwork spalling. Free written quotes with no call-out fee. Call 0125 244 7622.

What We Do

Chimney Repair Services in Farnham

Farnham's Victorian and Georgian housing stock means chimney problems are common — and often more complex than they first appear. We carry out all types of chimney work across GU9 and GU10.

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Chimney Repointing Farnham

Crumbling mortar joints between chimney bricks are a leading cause of leaks. We rake out and repoint using appropriate lime or hydraulic lime mortars for older properties, preventing water penetration and structural deterioration.

From £350
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Lead Flashing Replacement

The lead flashing that seals the junction between the chimney and the roof is the most common chimney leak source. We replace failed flashings with new code 4 lead, dressed correctly to both the chimney and the tiles.

From £400
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Chimney Pot Replacement

Cracked, loose or missing chimney pots allow rain directly into the flue. We supply and fit replacement pots including period-appropriate designs for conservation area properties in Farnham.

From £200
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Stack Rebuilding

Severely deteriorated or leaning chimney stacks require partial or full rebuilding. We rebuild from below roof level using reclaimed or matching brick and appropriate mortar mixes.

From £800
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Chimney Stack Removal

Redundant chimney stacks are a maintenance liability. We remove the stack at roof level, properly waterproof and make good the roof covering with matching tiles — a clean, lasting solution.

From £700
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Chimney Capping & Sealing

For disused flues, we fit chimney caps or cowls to prevent water ingress while maintaining ventilation. A cost-effective alternative to full stack removal.

From £150
Warning Signs

Signs Your Chimney Needs Attention

Chimney problems are easy to miss until they become serious. These are the most common signs we see on Farnham properties.

Damp on Chimney Breast

Staining or damp patches on internal walls around the chimney breast, especially after heavy rain, almost always indicate a flashing or pointing failure.

Crumbling Mortar

Visible deterioration of mortar joints on the chimney stack — often greenish, crumbling or recessed. Particularly common on north-facing stacks across Farnham's period stock.

Loose or Leaning Pots

Chimney pots that have shifted, cracked or are visibly unstable are a safety hazard and allow unrestricted water ingress into the flue.

Failed Flashing

Lead flashing that has lifted, cracked or pulled away from the chimney or roof. Often visible from the ground as a gap or open joint around the chimney base.

Efflorescence on Bricks

White salt deposits on external chimney brickwork indicate water is moving through the masonry. A sign that repointing is overdue.

Spalling Bricks

Brick faces breaking or flaking away, caused by water freezing inside the masonry. Common in exposed chimney stacks after hard winters in Surrey.

Pricing Guide

Chimney Repair Costs in Farnham

Chimney repair costs vary significantly depending on the type of work, height of the stack and access requirements. These are typical ranges.

Repair TypeTypical CostNotes
Lead flashing replacement£400 – £800Most common chimney repair
Chimney repointing£350 – £700Full stack repoint
Chimney pot replacement (single)£200 – £400Includes supply of new pot
Chimney capping£150 – £300For disused flues
Partial stack rebuild£800 – £1,500From roof level upwards
Full stack removal£700 – £1,400Includes making good roof
Flashing re-seal (minor)£200 – £350Re-pointing existing flashing

* All prices include labour and standard materials. Scaffolding or cherry picker costs are quoted separately where access requires it. Free written quotes for all chimney work.

Chimneys in Farnham

Period Chimneys Need Specialist Knowledge

Farnham has an unusually high proportion of Victorian and Georgian properties with original chimney stacks — particularly along Castle Street, The Borough, and throughout the conservation area. These chimneys were built with lime mortar and traditional brickwork that requires different repair techniques to modern construction.

Using incorrect modern cement mortars on Victorian chimneys is a very common mistake — it's harder than the surrounding brick and actually accelerates deterioration by trapping moisture. We use appropriate lime-based mortars for period stacks and hydraulic lime for situations where a faster set is needed.

Conservation Area Considerations

Many properties in central Farnham are in or adjacent to the Farnham Conservation Area. Chimney pot replacements on listed or locally listed buildings may require planning consent. We'll flag this if it applies to your property and can advise on appropriate materials and designs.

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Chimney Problems Diagnosed Fast

Describe what you're seeing — damp patch, loose pot, crumbling mortar — and we'll give you an honest assessment. We carry out many chimney repairs from a single visit without scaffolding using safe access equipment.

0125 244 7622

Mon–Fri 8am–6pm · Sat 8am–2pm · Emergency 24/7

The Most Misdiagnosed Leak

Many homeowners — and some roofers — assume a chimney leak means the whole stack needs repointing. In our experience, over 60% of chimney leaks are actually caused by failed lead flashing at the base of the stack. A much quicker and cheaper fix. We'll identify the actual cause before recommending work.

Where We Work

Chimney Repairs Near Farnham

Farnham GU9Farnham GU10 FleetAldershotFarnborough GuildfordGodalmingHaslemere WreccleshamRowledgeCrondallHook
Honest advice

How to Tell You Need Chimney Repairs

A chimney is the most weather-exposed masonry on your house. Here’s when yours needs a roofer.

When it is not the answer: If your chimney damp is actually from failed pointing specifically, our dedicated repointing service may be the exact fix — and if the leak is the flashing not the stack, we’ll diagnose that before quoting. Read the full guide.

Chimney stack showing flaunching, flashing, apron and back gutter
Chimney weatherproofing detail
The process

What to Expect: Chimney Repairs in Farnham

1. Inspect the whole stack

We assess pointing, flaunching, pots, flashing and brick condition to find what’s actually letting water in.

2. Written quote

You get an itemised quote with the mortar type specified — lime on period stacks — and no call-out fee.

3. Repair on safe access

We carry out the work from a scaffold or tower, renewing pointing, flaunching, flashing or pots as needed.

4. Weathertight and guaranteed

We leave the stack sound and weathertight, clear up, and guarantee the work for 10 years.

Timescales

How Long Does It Take?

JobTypical duration
Flashing repairHalf to full day
Repoint a stack1–2 days
Flaunching / pot re-bedHalf a day
Stack rebuild2–3 days

Lime mortar on period stacks needs frost-free conditions to cure, so we time that work to the weather.

Access

Access, Scaffolding & Permits in Farnham

Chimney work needs a scaffold or proper access tower — never ladder work at the stack. Scaffold is specified for: nearly always, for safe working at the stack — itemised in your quote - always itemised in your written quote, never a hidden extra, and we arrange it.

Farnham’s Georgian and Victorian streets around the town centre have limited frontage and controlled pavement space, so scaffold on the conservation streets needs planning and a permit. Pavement scaffold and skip permits go through Waverley Borough Council; allow a few working days on streets like Castle Street, The Borough, Downing Street where space is tight.

Guarantee

Your Guarantee, Explained

Chimney work carries a 10-year workmanship guarantee; correct lime repointing on a period stack lasts decades.

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

Chimney work is external with scaffold up for a few days; some noise and dust at height, but the house stays usable. You do not need to stay home for external work - we just need power and access agreed in advance.

Repointing runs year-round, but lime mortar needs frost-free curing conditions. The Wey valley holds autumn moisture, and Farnham’s heavy tree cover slows drying and blocks gutters through the leaf-fall months.

Reviews

Chimney Repair Reviews from Farnham Customers

★★★★★

"Had a persistent damp patch on the chimney breast for three years. Two roofers had repointed the stack — didn't fix it. Farnham Roofing identified failed lead flashing immediately and sorted it in a morning. End of problem."

Catherine B. · Farnham, Surrey
★★★★★

"Victorian chimney stack on our Listed cottage needed full repointing with lime mortar. They knew exactly what materials to use and did a beautiful job. The conservation officer was happy too."

Edward S. · Frensham, Surrey
★★★★★

"Removed a redundant chimney stack and made good the roof in one day. No mess, tiles matched perfectly. Recommended by a neighbour and they lived up to the billing."

Fiona M. · Wrecclesham, Farnham
FAQ

Chimney Repair Questions Answered

Chimney repointing typically costs £350–£700 for a full stack repoint in Farnham. Costs depend on the height of the stack, degree of deterioration and access requirements. We provide free, itemised quotes for all chimney work.

Signs include crumbling or recessed mortar joints visible between the bricks, damp patches on internal walls near the chimney breast, loose chimney pots, or water ingress during rain. You can often see deterioration from the ground with binoculars — call us if you're unsure.

Often yes. The majority of chimney leaks we attend are caused by failed lead flashing at the base of the stack, not the mortar joints themselves. Replacing the flashing is significantly cheaper than full repointing. We'll accurately diagnose the cause before recommending work.

Yes. We remove redundant chimney stacks at roof level and make good the roof covering with matching tiles. This is a popular solution for homeowners with leaking or deteriorating chimneys that are no longer connected to working fireplaces. We can advise on planning requirements if applicable.

Other Roofing Services in Farnham

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Get a Free Chimney Repair Quote in Farnham

No call-out fee. No obligation. Describe what you're seeing and we'll give you an honest assessment and a clear written quote.

0125 244 7622

Mon–Fri 8am–6pm · Sat 8am–2pm · Emergency 24/7

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