Serving You For Over 46 Years!

Tuesday - Saturday: 10:00am - 5:00pm
Sunday: 11:00am - 4:00pm  
San Francisco’s Trusted Chimney Sweep Since 1977!

San Francisco’s Leading Chimney Service Company & Fireplace Showroom For Over 46 Years! We are the preferred choice!

We Can Troubleshoot Your Leaky Chimney!

Water can wreak havoc on a chimney. Sitting on top of your roof, it is exposed to all the weather your home endures throughout the year. If your chimney is not properly protected, or if a component is missing or damaged, you might find yourself dealing with a chimney leak. Leaks can cause major problems, not just with your chimney and fireplace, but with your entire home! At London Chimney Services, we have decades of experience dealing with leaky chimneys and know just how to track down the source of your leak!

Chimney Cap from London Chimney

What Are Some Signs Of A Chimney Leak?

A leaky chimney can manifest itself in many different ways. The most obvious signs would be water dripping or pooling in your firebox, but this is by no means the only way a chimney leak will show itself. If you have a leak dripping from your ceiling in any room adjacent to your chimney, the cause might be the chimney itself. Water rarely moves down in a straight line — it can work its way across the masonry, find a support beam, and travel halfway across your ceiling before finally finding its way into your living space. That is why proper detection by a trained, certified professional is so important!

What Are Common Sources Of Chimney Leaks?

Because water can be so detrimental to a chimney, there are several systems that should be in place to help protect it. Unfortunately, this can make it difficult for an untrained person to identify the source of the leak. Damage to any of the following components could lead to a leaky chimney:

Chimney Cap:
A damaged or missing chimney cap will leave your chimney wide open at the top. A good rain will allow a good amount of water to find its way down your chimney and into your firebox. If your chimney remains uncapped, you will likely develop mold issues, rust issues, and masonry and liner deterioration.

Chimney Flashing:
Chimney flashing is the protective metal system that sits at the base of your chimney structure where it meets the roof line. This area is highly susceptible to water intrusion, and if it is damaged, you’ll quickly have a leak in your ceiling or other areas near the chimney.

Cracked Chimney Crown:
A chimney crown helps direct water away from the masonry structure of your chimney and onto your roof. If this is cracked or badly designed, it can end up directing water directly onto your chimney or chimney flashing. It can also allow water to make its way into the chimney itself, depending on the location and severity of the cracks.

Call Us Today!

At London Chimney Services, we are equipped to diagnose and repair all kinds of chimney leaks! Call us today or click here to request an appointment with a leak troubleshooting expert!


Let us restore your old chimney and bring it back to life. What other chimney repairs are on your list? Give us a call!



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Certifications & Associations

Certified Chimney Sweep     National Fireplace Institute Certified
Golden State Chimney Sweep Guild   Contractors State License Board
US Environmental Protection Agency
Hearth, Patio, and Barbecue Association

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"... fast working, efficient, professional and pleasant to deal with."
~ S. Reiter, Mill Valley

“Very prompt, explained what needed to be done – showed pictures. Very thorough. Clean. Nice people to work with.”
~ J. Sinnott, San Francisco

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Service Products

       Chimney Inspection Camera System Bernard Dalsin Manufacturing National Chimney is a leading manufacturer of chimney liners, liner kits, caps, chase covers DuraVent is a recognized technological leader in the chimney venting industry. Help draft wood burning fireplaces & woodstoves, gas log fireplaces, pellet stoves, with vent fans CHAMBER-TECH 2000 is the answer to those rough, deteriorated, uninsulated and improperly formed smoke chambers Smoktite is a highly insulative ceramic product that is used to seal, smooth and insulate chimney smoke chambers without removing the damper frame or adjacent brickwork HeatShield® is a chimney liner repair system that eliminates the hazards and draft problems caused by gaps, cracks and spalling in otherwise sound masonry chimneys. Superior Clay Corporation produces and designs components for masonry fireplaces in a complete range of styles and sizes. Flexible, scalable and custom solutions offer high performance and efficiency without sacrificing on indoor air quality.

Hearth Products

      fireplace x Lopi European Home element4 Regency Fireplace Hearthstone Stoves Hargrove Gas Logs American Fyre Designs Portland Willamette Pilgrim Hearth Majestic Fireplaces DaVinci Custom Fireplaces Travis Industries The House of Fire Tempest Torch Outdoor Gas Lamps adn Lighting