“Punctual, spotlessly clean and genuinely knowledgeable. They showed me photos of the whole flue and explained everything clearly. Wouldn’t use anyone else.”
Trusted by


ChimneySmart is a team of fully-trained, employed chimney specialists serving homeowners across North London, Hertfordshire and Essex. From routine sweeping to complete liner installations, we treat every property with the same care we’d give our own.
No subcontractors, no shortcuts just honest, expert workmanship backed by digital reporting and over 700 five-star Which? Trusted Trader reviews.
Everything your chimney needs, under one trusted roof carried out by qualified engineers and documented every step of the way.
CCTV surveys and full condition reports so you know exactly what's happening inside your flue.
Stoves, liners, cowls and complete chimney systems, installed safely and to standard, first time.
Smoke and pressure testing to prove your flue is sound, sealed and safe to use.
From re-pointing and pots to full servicing long-term fixes designed to last, never quick patch-ups.
Annual sweeping and inspection to keep your chimney clean, drawing well and safe to use.
Clean, dust-free power sweeping that keeps your chimney drawing safely, with a certificate every visit.
The standards every ChimneySmart customer can count on every single visit.
Clean working practices, protective equipment and courteous engineers who care for your home as if it were their own.
Digital reports, before-and-after photos and expert advice give you complete clarity about the condition of your chimney.
Helping protect your home and family by identifying hazards early and ensuring your chimney is safe to use.
Two-hour arrival windows, live tracking and proactive communication mean less waiting around and no unnecessary stress.
Fully-trained, employed chimney specialists delivering the same high standard of workmanship on every visit.
Expert recommendations designed to keep your chimney performing safely and efficiently for years to come.
“Punctual, spotlessly clean and genuinely knowledgeable. They showed me photos of the whole flue and explained everything clearly. Wouldn’t use anyone else.”
“Punctual, spotlessly clean and genuinely knowledgeable. They showed me photos of the whole flue and explained everything clearly. Wouldn’t use anyone else.”
“Punctual, spotlessly clean and genuinely knowledgeable. They showed me photos of the whole flue and explained everything clearly. Wouldn’t use anyone else.”
“Punctual, spotlessly clean and genuinely knowledgeable. They showed me photos of the whole flue and explained everything clearly. Wouldn’t use anyone else.”
Straight answers to the things homeowners ask us most from how often to sweep to exactly what happens on the day.
Our friendly team is on hand to help with anything about your chimney, stove or flue.
No questions match your search.
At least once a year, ideally before you start using the fire in autumn. If you burn wood or solid fuel most days, twice a year is safer, because soot and creosote build up faster. Your engineer will advise on the right interval for your fuel and how much you use it.
Yes. Every ChimneySmart engineer is a fully trained, directly employed member of our team we never use subcontractors. We are HETAS registered, a Which? Trusted Trader and fully insured, so you are covered on every visit.
We work across North London, Hertfordshire and Essex. See our pages for London, Hertfordshire and Essex, or call us on 020 8351 7164 if you are not sure whether we reach you we will tell you straight away.
No. We lay protective sheets before we start and use sealed power-sweeping equipment with vacuum extraction, so no dust escapes into the room. Clean working practices are part of every visit, and we leave your home exactly as we found it.
Yes. Every sweep comes with a certificate, and every inspection is followed by a digital report with photos and clear recommendations. Many home insurers ask to see a sweeping certificate, so keep it somewhere safe.
Tell us what you need and we’ll get straight back to you with honest advice and a no-obligation quote.
We aim to respond within one working day.
By submitting you agree to be contacted about your enquiry. We never share your details.