Why You Should Get Your Chimney Swept Before Winter

If you've got a log burner or open fire, getting your chimney swept isn't just good housekeeping — it's a genuine safety essential that's easy to overlook until something goes wrong. Here's what every Jersey log burner owner should know.

What actually builds up in a chimney

Every time you burn wood, a small amount of residue is left behind in the chimney or flue — mostly soot, but also a sticky, tar-like substance called creosote. Over time, this builds up as a coating on the inside of your chimney. The more you burn, and the wetter or less efficient the wood, the faster this builds up.

Why this matters — the fire risk

Creosote is highly flammable. A chimney with a significant build-up is essentially coated in fuel waiting for the right conditions to ignite — a chimney fire. These can burn at extremely high temperatures, potentially spreading to the roof structure of your home. Regular sweeping removes this build-up before it becomes a genuine hazard.

It's not just about fire risk

A blocked or partially blocked chimney also affects how your fire performs day to day:

• Poor draw — a dirty flue restricts airflow, making your fire harder to light and slower to get going
• More smoke in the room — restricted airflow can cause smoke to back up into your home rather than drawing properly upward
• Carbon monoxide risk — in serious cases, blockages can prevent proper ventilation of harmful gases, which is a genuine safety concern, not just an inconvenience

How often should you get it swept?

General guidance for wood-burning stoves and open fires is once a year, ideally before the start of the burning season (so right around now, before autumn). If you burn very frequently, or notice your fire struggling to draw well, it's worth getting it checked more often.

Why kiln dried logs make a genuine difference here

This is where your choice of firewood actually impacts your chimney maintenance. Burning wet or poorly seasoned wood produces significantly more smoke and creosote than burning properly kiln dried logs under 20% moisture. The cleaner the burn, the slower the build-up — meaning less frequent intensive cleaning needed, and a lower risk of problems building up between sweeps.

It won't eliminate the need for an annual sweep entirely, but consistently burning kiln dried, Woodsure certified logs genuinely reduces how much builds up in the first place.

Finding a chimney sweep in Jersey

We're not a chimney sweep ourselves at the moment, but it's worth checking with HETAS-registered or Guild of Master Sweeps certified professionals locally — a quick search or asking your log burner installer for a recommendation is usually the easiest way to find a reliable sweep in Jersey.

Get ready for the season ahead

Once your chimney's checked and ready, the next step is making sure you've got good quality, clean-burning fuel lined up for the months ahead. Stock up on Woodsure certified kiln dried ash, birch and oak logs, delivered free across all 12 Jersey parishes, and you'll be set for a safer, more efficient winter.

Browse our full logs range or bulk up for the whole season at logsjersey.com