Ashlar Roofing
Chimney stack being rebuilt on a house roof, Walthamstow
Chimney repairs ยท Walthamstow

Chimney Repairs in Walthamstow

Damp chimney breast in Walthamstow? We trace the leak at the stack and repair it.

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  • Emergency call-outs
  • Pitched and flat roofs
  • Homes and commercial
  • Covering Greater London

Chimney Repairs in Walthamstow

Chimney Repair and Leadwork in Walthamstow

A brown stain spreading down a chimney breast, wallpaper lifting beside the fireplace or a musty smell in an upstairs room are often the first signs that water is getting into a chimney. Left alone, damp in a chimney breast can spread into nearby walls and ceilings and spoil decoration. Ashlar Roofing carries out chimney repairs in Walthamstow, across E17 and the London Borough of Waltham Forest, finding where the water enters and putting it right.

The cause is usually found at roof level. Lead flashings can split or pull out of the mortar joint, the flaunching around the pots can crack, and weathered brickwork can soak up rain like a sponge. An uncapped flue lets water fall straight down inside. A capped flue with ventilation stops rain entering while letting the chimney breathe. We inspect the stack, explain what we found and quote for the repair before any work is carried out.

Bricklayer repairing a brick chimney stack
Brick chimney stacks on a slate roof

What's included

What Chimney Repair Work Covers

The main parts of the job, each listed in your quote.

  • Repointing worn or missing mortar joints, which keeps rain out of the brickwork and stops the stack weakening.
  • New lead flashings where the stack meets the roof, the junction most often behind leaks near a chimney breast.
  • Rebedding or replacing chimney pots, so they sit securely and are not a risk in high winds.
  • Renewing or repairing the flaunching, the mortar cap around the pots that sheds rain away from them.
  • Caps or cowls for unused flues, reducing rain entry while keeping enough ventilation to avoid damp.
  • Rebuilding or reducing damaged stacks where repairs alone would not make them safe, subject to any planning requirements.
More about our chimney repairs service

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Tell us what is happening with your roof and we will arrange a visit and a quote.

Pricing

Chimney Repair Costs in Walthamstow

The cost of a chimney repair in Walthamstow depends on what the inspection finds, chiefly:

  • The access needed, from a roof ladder to scaffolding around the stack
  • The height and condition of the stack and how many pots it carries
  • Whether the work is repointing, new flashing, flaunching or a partial rebuild
  • Shared stacks on terraces, where the work may involve the neighbouring side
  • Matching bricks, mortar, lead or pots to the existing chimney
Brick chimney stacks on a clay tiled roof

How it works

How Chimney Repairs in Walthamstow Is Arranged

What happens from your first call or message to the finished work.

  1. Describe the Problem

    Let us know what you have noticed, such as damp on a chimney breast, loose pots or crumbling mortar. Photos taken from the ground or a window and sent on WhatsApp are helpful.

  2. Inspection

    We check the stack, pots, flaunching and flashings, identify what is causing the problem and explain the repair options.

  3. Quote and Access

    You receive a quote covering the repair and the access needed, agreed before work starts, and scaffolding is arranged where required.

  4. Repair and Review

    The agreed work is carried out, then we review the completed work with you and confirm everything has been done as agreed.

FAQs

Walthamstow Chimney Repair Questions

My Walthamstow chimney stack is shared with next door. Can you still repair it?

Yes, though it is sensible to speak to your neighbour first, as work on a shared stack affects both properties. We can inspect and quote for the whole stack or just your side, depending on what is agreed.

What is flaunching?

Flaunching is the sloped mortar bed around the pots on top of the stack. It throws water off and holds the pots in place, and once it cracks, rain can soak down into the stack.

Do I need permission to take down a chimney in Walthamstow?

Removing or altering a stack can need planning permission in a conservation area or on a listed building, so check with Waltham Forest Council before deciding. Repairs that keep the stack looking the same do not usually need approval.

Do you replace lead flashing around chimneys?

Yes. New lead flashings, soakers and back gutters are fitted to the stack and dressed onto the roof, which is often the permanent answer to a leak beside the chimney.

Still Have a Question?

If your question is not answered here, get in touch and we will discuss it with you. You can also send photos on WhatsApp.

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Areas we cover

Chimney Repairs across Greater London

Alongside Walthamstow, we carry out chimney repairs in these areas:

Covering Walthamstow and Greater London

Chimney Repairs across Walthamstow and the rest of Greater London. Call to arrange a visit and a quote.

Call 0800 158 5636
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