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HR Harts Roofing
Service

Chimney Repairs Northampton

A neglected chimney is one of the most common causes of a leaking roof. We repoint, rebuild, re-flaunch and re-lead chimney stacks across Northampton and Northamptonshire to keep them sound and watertight.

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What We Do

  • Chimney repointing and brickwork repairs
  • Partial and full chimney rebuilds
  • Re-flaunching (the mortar bed around the pots)
  • New chimney pots, cowls and bird guards
  • Lead flashing repaired or fully renewed
  • Chimney removal and roof making-good where no longer used
  • Waterproofing and damp-proofing treatments

Catch it early

Damp on a chimney breast, staining on the ceiling below, or crumbling mortar high on the stack are all early warnings. Dealt with promptly, a chimney is a straightforward repair; left too long, water gets into the brickwork and the timbers below and the job grows. If in doubt, we'll take a look free of charge.

How It Works

1

Free survey

We inspect the stack, flashing and flaunching and pinpoint the cause of any leak. As a result, the repair targets the actual fault, not just the symptom.

2

Written quote

An written quote covering the repair, materials and any scaffolding. As a result, access costs are never a surprise later.

3

Repair

Repointing, rebuilding, re-flaunching or re-leading carried out safely from scaffold. Because the work is done at height properly, it's built to last.

4

Check & tidy

We confirm the stack is sound and watertight and leave the site clean. As a result, there's nothing left for you to check yourself.

Chimney Repair FAQs

How do I know if my chimney needs repointing? +
Look for crumbling, cracked or missing mortar between the bricks, loose or spalling brickwork, and damp patches on the chimney breast or ceiling below. Failing pointing lets water into the stack, so it's worth dealing with before it causes internal damp or the brickwork starts to move.
What is leadwork and where is it used on a roof? +
Leadwork — the lead flashing, soakers and aprons around a chimney, in valleys and against walls — is what seals the joints where a roof meets something it can't tile over. Around chimneys it's one of the most common places for leaks, and renewing tired or cracked lead flashing often cures a stubborn chimney leak.
How much does chimney repair cost? +
It depends entirely on the work — repointing and re-flaunching a stack is a modest job, while a partial or full rebuild with new pots, cowls and flashing costs more, and access affects the price too. We survey the chimney and give you a clear written quote before any work begins.
Do I need scaffolding for chimney work? +
Chimney work is high up and usually needs proper scaffold access to be done safely and to a good standard. We're work-at-height trained and include any access required in your written quote, so there are no surprises.

Worried About Your Chimney?

Book a free survey and get an honest, written quote. Still, you'll know exactly what the stack needs.

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A chimney stack takes more weather than almost anywhere else on the roof. It's fully exposed above the roofline on every side. Because of that, mortar joints are usually the first thing to fail. Repointing early, before water gets into the brickwork, is far cheaper than waiting for a damp patch indoors.

On period properties, we generally recommend lime mortar over a standard cement mix. Lime flexes with older brickwork instead of trapping moisture behind a rigid joint. It costs more upfront, but it's usually the right choice for keeping a period chimney sound long term.

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Written by Harts Roofing · Page last updated