Chimney Repair Cost in Warwickshire

Chimneys are one of the most common sources of roof leaks in older Warwickshire properties. The good news is that most chimney problems — failed flashing, cracked mortar, loose bricks — can be repaired at reasonable cost when caught early. Leaving them leads to serious water ingress and potentially structural issues.

Chimney Repair Costs by Type (2026)

Repair Type	Typical Cost Range	Notes
Lead flashing repair (chimney)	£150 – £350	Resealing or partial re-lead
Lead flashing full replacement (chimney)	£350 – £700	New lead, all four sides
Chimney repointing (minor)	£200 – £400	Raking out and repointing joints
Chimney repointing (full stack)	£400 – £800	Full chimney repoint including haunching
Chimney cap / pot repair	£100 – £250	Replacing cracked or loose chimney pots
Chimney pot and flaunching replacement	£200 – £500	New pots with re-haunching
Partial stack rebuild (upper courses)	£500 – £1,200	Where brickwork is structurally failed
Full stack rebuild to roof level	£1,000 – £2,500	Complete new chimney above roof
Chimney capping (disused flue)	£150 – £400	Ventilated cap to seal disused chimney
Chimney removal (above roof line)	£500 – £1,500	Remove stack and make good roof
Full chimney removal (inc. breast)	£1,500 – £4,000+	Structural work; requires building regs
Scaffold (access)	£300 – £700	Required for most chimney work

Why Chimneys Leak

The most common causes of chimney leaks on Warwickshire properties:

Failed Lead Flashings

The lead that seals the joint between the chimney stack and the roof covering is the most vulnerable point. Lead flashings have a long lifespan (50–100+ years) but can fail due to thermal movement, poor original installation, or physical damage. Signs of flashing failure: damp patches on the chimney breast wall inside the house, particularly after rain.

Failed Pointing

The mortar between the bricks of the chimney stack expands and contracts with temperature, and eventually cracks and falls out. Once mortar fails, water gets into the brickwork, freezes in winter, and causes spalling (brick faces breaking off). Caught early, repointing is inexpensive. Left for years, the whole stack may need rebuilding.

Cracked Flaunching

The mortar that holds chimney pots in place (called flaunching) often cracks with age. This allows water to run down inside the chimney or between the pot and the stack. Relatively cheap to repair.

Cracked or Porous Brickwork

In severe cases, the bricks themselves become porous with age and allow water through. This is more common in older, softer stock bricks. Treatment options include specialist penetrating sealant or partial/full rebuild.

When Should You Have Your Chimney Inspected?

We recommend including chimney condition in any general roof inspection — at least every 2–3 years, and after any significant storm. Signs to look for from the ground:

• Missing or cracked mortar between bricks
• Cracked or leaning chimney pots
• Lead flashings that are visibly lifting or curling
• Staining on the stack (indicates water running down)
• Damp patches on interior chimney breast walls

Removing a Chimney — Is It Worth It?

Many homeowners with chimneys on no-longer-used fireplaces consider removal. Key considerations:

• Removing the stack above the roofline (£500–£1,500) eliminates all future chimney maintenance
• Full removal including the chimney breast inside the house (£1,500–£4,000+) is structural work requiring Building Regulations approval
• On period properties in conservation areas, removal may require planning permission
• Capping a disused flue (£150–£400) is often a good middle-ground if you don't want full removal