Through our sister company Royal Roofing we also handle the roof work around a chimney, so one team can deal with the whole problem.
Common chimney repairs
- Repointing: raking out worn mortar joints and refilling them.
- Flaunching: the mortar bed on top of the stack that holds the pots and throws off rain. When it cracks, water goes straight into the stack.
- Pots and cowls: replacing cracked pots, fitting rain caps or bird guards, and capping unused flues while keeping them ventilated.
- Spalled or blown bricks: cutting out and replacing damaged bricks.
- Leaning or badly cracked stacks: taking down and rebuilding from sound brickwork.
Lime mortar on older houses
Most houses built before about 1920 were built with lime mortar, which lets the brickwork breathe. Repointing them in hard cement mortar traps moisture and can damage the face of the bricks. On older stacks we repoint in lime to match. On modern stacks, a cement-based mortar is fine.
Signs your chimney needs attention
- Damp patches on the chimney breast inside, especially after rain
- Bits of mortar or brick in the gutter or on the roof
- Plants growing out of the stack
- A visible lean, or cracks running through the brickwork
- Water marks in the loft around the chimney
£ Cost guide
Chimney Repairs & Repointing costs
Every chimney is different, so we price each job individually. These are the things that change the price:
- Scaffolding or roof access needed to reach the stack
- Amount of repointing, and lime or cement mortar
- Number of pots, cowls and caps
- Whether bricks need replacing or the stack needs rebuilding
- Whether lead flashings need replacing at the same time
Send us photos and we'll give you a clear written quote.
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