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A red brick chimney with a metal cap extends from a gray, sloped metal roof. The sky is cloudy in the background.
A newly constructed red brick chimney is surrounded by scaffolding on a rooftop. The chimney top has a metal cap. Below, the tiled roof is visible. In the background, a scenic view shows a line of houses, trees, and a grassy field.

Chimney Repairs

Chimneys are exposed to the harshest elements, making them susceptible to damage over time. At Summers Roofing, we deal with a wide range of chimney issues encountered around the southwest, including:

  • Masonry Repairs: Fixing cracks, crumbling bricks, and structural deterioration.
  • Chimney Cap Repairs & Replacements: Preventing debris and water from entering your chimney.
  • Chimney Crown Repairs: Addressing damage to the topmost section of your chimney to ensure its longevity.
  • Chimney Flashing Repairs: Sealing the area where your chimney meets the roof to prevent water leaks.
  • Waterproofing Chimneys: Protecting your chimney from moisture-related damage with high-quality sealants.

Our approach to chimney repairs prioritises saving your existing structure wherever possible. Full chimney replacements are only recommended if repairs are no longer cost-effective.

A rectangular, smooth-surfaced structure is on a rooftop surrounded by bricks, construction materials, and debris. Several red bags are stacked nearby, with residential houses visible in the background.

Chimney Reconstruction

In cases where the damage is extensive, chimney reconstruction may be necessary. Our services include:

  • Partial or Full Chimney Rebuilding: Using durable materials to replicate the original structure.
  • Chimney Removal: Safely dismantling redundant or hazardous chimneys.
  • Chimney Modifications: Adapting chimneys for modern heating systems or aesthetic updates.

We ensure all work complies with local building regulations and is completed to the highest standards.

Two brick chimneys with terracotta pots stand on the roof of a house. The roof has grey shingles and the sky is clear and blue. A few cables are visible in the background.

Signs Your Chimney Needs Professional TLC

Your chimney often provides clear indications when it requires professional attention. Home and business owners should keep an eye out for the following signs:

  • Cracks & Gaps: Visible damage to the masonry or missing mortar.
  • Water Damage: Damp patches or water stains around your chimney or interior walls.
  • Leaning Structure: A chimney that appears tilted or unstable.
  • Blockages: Debris, nests, or obstructions preventing proper ventilation.
  • Smoke Issues: Smoke entering your property rather than venting out correctly.
  • Damaged Flashing: Gaps or rust in the flashing where the chimney meets the roof.

If you notice any of these issues, it’s essential to act quickly to prevent further damage and maintain your property’s safety.

Brick chimney with two terracotta pots on a tiled roof. Two television antennas are also visible, one mounted near the chimney. The sky is clear and blue, providing a bright backdrop.

We provide chimney repairs for a variety of different property types found around Bristol, Chepstow, Clevedon, Nailsea, Portishead, and Yate. These include:

  • Residential Homes: Houses, flats, apartments, and historic properties.
  • Commercial Properties: Pubs, cafes, bars, restaurants, and light industrial units.
  • Unique Structures: Barn conversions, HMOs, and listed buildings.

No matter the size or complexity of your project, our team delivers exceptional results tailored to your specific requirements.

FAQs – Chimney Repairs

Common warning signs include cracked or spalling brickwork, deteriorating mortar joints, loose chimney pots, damaged flashing or visible leaning. Internally, you may notice damp patches, staining near the chimney breast, or a musty smell caused by moisture penetration. Regular chimney inspection is the most reliable way to identify early-stage issues, as damage often begins in the mortar joints or flashing long before major structural problems become obvious.

Chimney repointing involves removing old, weathered mortar from between bricks and replacing it with fresh mortar to restore strength and stability. Over time, exposure to the elements and temperature fluctuations causes mortar to break down, allowing water to penetrate the structure. Repointing prevents further erosion, reinforces the masonry and extends the life of the chimney without requiring full reconstruction. It is often a key part of broader chimney restoration work.

Yes, in many cases flashing repairs can be carried out independently of major structural work. Flashing forms the watertight seal where the chimney meets the roof, and failure in this area is a common cause of leaks. Replacing or resecuring lead flashing can often resolve water ingress without the need for extensive masonry repairs. A thorough assessment will determine whether the issue is isolated to the flashing or part of a larger structural concern.

Chimney reconstruction is usually recommended when structural damage is extensive, such as severe leaning, widespread brick deterioration, or significant instability. In these cases, partial or full rebuilding ensures the chimney is safe and compliant with current building standards. Reconstruction may also be required if previous repairs were poorly executed or if the chimney has been left exposed to prolonged water damage. A professional evaluation ensures the most appropriate and cost-effective solution is chosen.

Two brick chimneys on a tiled roof, with moss-covered edges and a cloudy sky in the background. The roof is made of terracotta-colored tiles.
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