J P Building ServicesRoofing & Building Specialists
A chimney stack being repointed and re-flashed

Chimney Repairs

Exposed above the roofline, chimneys often develop defects before other parts of the roof. We assess the stack, pots, flaunching and surrounding leadwork to locate the true cause and complete an appropriate, durable repair.

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A chimney stack being repointed and re-flashed

Roofing

Chimney Repairs

From deteriorated pointing and lead flashing to damaged pots and flaunching, we examine every exposed element of the chimney to resolve the source of leaks and instability.

  • Renewal of cracked or weathered mortar joints
  • Replacement lead flashing and soakers around the chimney
  • Re-bedding or renewal of chimney pots and cowls
  • Repair or replacement of flaunching at the stack head
  • Rendering and weather protection where the stack requires it

What affects the price: Pricing depends on the stack's height, size and condition, the repairs required to mortar, flashing or flaunching, and safe access or scaffolding. Your written quote will itemise each part of the proposed work.

Reviews

What our customers say

Rated across Checkatrade, TrustATrader, MyBuilder and Google by homeowners, landlords and managing agents across London and the Home Counties.

Why choose us

Why we are trusted by our customers

We inspect above and below the roofline, so the repair addresses the real cause of the leak.

Public liability insurance on every job, for your protection and ours.

A time-served, in-house team, so the people who quote the work are the people who do it.

Trading since 2006 with strong ratings on Checkatrade, TrustATrader and MyBuilder.

Clear communication from first call to final invoice, so you always know what is happening and when.

We turn up when we say we will and keep the site tidy, treating your home with respect.

Get a free, no-obligation quote

Tell us about the job and we will come out, take a look and give you a fixed-price written quote. No pressure, no hard sell.

How we work

Simple, from first call to sign-off

  1. 1

    Get in touch

    Call or send a few details about your chimney repairs project.

  2. 2

    Free site visit

    We come out, assess the chimney repairs in person and talk through your options.

  3. 3

    Fixed written quote

    You get a fixed-price quote for the chimney repairs, naming materials, method and timescale.

  4. 4

    Work, then sign-off

    We carry out the chimney repairs to schedule, keep the site tidy, then walk the finished job with you.

Our work

Recent chimney repairs projects

A look at the standard of work our in-house team delivers across London and the Home Counties.

FAQs

Chimney Repairs questions

Why is my chimney leaking?

Most chimney leaks come from failed flashing, cracked flaunching or weathered mortar joints. We inspect the whole stack to find which, then quote to put it right.

Do I need a repair or a rebuild?

If the brickwork is sound and only the flashing, pointing or flaunching has failed, a repair is enough. When the stack itself is leaning or spalling badly, we will quote for a rebuild and explain why.

Can you cap a chimney I no longer use?

Yes, we can fit a cap or cowl to keep water out while allowing ventilation, so a disused flue does not cause damp.

Do you repoint chimneys?

Yes, repointing weathered joints is one of the most common chimney repairs we carry out.

What areas do you cover?

We cover London, Hertfordshire, Buckinghamshire and Bedfordshire, including St Albans, Harpenden, Berkhamsted, Amersham, Chesham and the surrounding towns.
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