Quick Answers

Straight-shooting answers to the most common questions covered in this guide.

Does Ash or Birch burn longest?

Ash firewood has a higher density which means it burns longer than Birch. Ash burns at a steady, longer rate than Birch & is considered one of the best firewood's available.

Does Ash or Birch Firewood Burn Hottest?

By weight, kiln-dried ash and birch have very similar heat output. There is no clear winner when it comes to heat output. Ash has a steadier heat output whilst Birch has a bright flame.

Which Log Is Best?

There isn't really a clear winner, each log burner owner will have their own preference. Ash is considered a gold standard log in the firewood industry, but both are brilliant firewood. A perfect middle ground would be Birch to start the fire & Ash for longevity.

Woman standing next to a large crate of kiln-dried firewood ash logs

Ash vs Birch Firewood: Which Should You Choose?

When it comes to choosing the right firewood for your open fire, log burner or wood burning stove, not all logs are created equal. Two of the most popular options among UK households are Ash and Birch - and for good reason. Both are hardwoods, both are sustainable and readily available, both within the UK & by importing, and both are known for their clean, hot burn.Β 

But which one is best for your needs?

In this guide, we’ll break down the pros and cons of kiln-dried Ash vs Birch firewood, looking at burn quality, heat output, lighting ease, and overall value, so you can make the right choice for your stove and your budget!
Infographic showing what makes a good firewood log

What Makes a Good Firewood Log?

Before diving into the specifics of Ash and Birch, it’s worth understanding what actually makes a good log for burning. Whether you’re using a log burner, multi-fuel stove or open fire, you want firewood that is:

  • Dry:Β Moisture content under 20% is essential. Kiln-dried logs light faster, burn hotter, and produce less smoke.

  • Dense: Denser hardwoods give a longer-lasting, more efficient burn than softwoods.

At Ravensby Firewood, all of our logs - including Ash and Birch - are kiln-dried and Woodsure Ready to Burn certified, so you can trust they’re up to the job.
Infographic showing the benefits of kiln-dried ash logs as firewood for log burners and wood burning stove

Kiln-Dried Ash Firewood: The Premium Choice

Ash is often considered the gold standard of firewood available within the UK & and it’s easy to see why.

Pros of Ash Logs:

  • High heat output: Ash burns slowly and evenly, giving off consistent heat over a long period.

  • Easy to light: Even though it’s dense, Ash catches well due to its low moisture content when properly dried.

  • Low smoke: Perfect for enclosed stoves and log burners in smoke-control areas.

  • Minimal residue: Produces very little ash or tar, reducing stove maintenance.

Ideal For:
Frequent burners, long winter nights, and anyone who wants top-tier performance from their stove.Ash is often considered the gold standard of UK firewood, and it’s easy to see why.

View Our Ash Logs Here
Infographic showing the benefits of burning kiln-dried birch hardwood in a log burner.

Kiln-Dried Birch Firewood: The Hot, Fast Burner

Birch is a lighter, faster-burning hardwood with beautiful flame patterns and a sweet aroma - making it a customer favourite for fire pits and quick room heat-ups.

Pros of Birch Logs:

  • Quick to light: Birch bark acts like a natural firelighter - great for getting fires going fast.

  • Bright, hot flame: Birch burns hot and gives off strong, visual flames.

  • Less dense = cheaper: Birch is more economical per log, making it a great budget-friendly choice.

Cons of Birch Logs:

  • Faster burn: Because it’s less dense than Ash, Birch can burn more quickly and needs more frequent top-ups, however this can be moderated somewhat by controlling the airflow in you wood burning stove.

  • Slightly more ash: Not excessive, but Birch leaves more residue than Ash.

    Ideal For:

    Casual & regular burners looking for an economical price point, weekend fires, fire pits, pizza ovens, and those wanting a visually satisfying burn.

Β 

View Our Birch Logs Here

Ash vs Birch Quick Comparison Table

Feature Ash Firewood Birch Firewood
Heat Output πŸ”₯πŸ”₯πŸ”₯πŸ”₯πŸ”₯ πŸ”₯πŸ”₯πŸ”₯πŸ”₯πŸ”₯
Burn Time πŸ”₯πŸ”₯πŸ”₯πŸ”₯ πŸ”₯πŸ”₯πŸ”₯
Lighting ease πŸ”₯πŸ”₯πŸ”₯πŸ”₯ πŸ”₯πŸ”₯πŸ”₯πŸ”₯πŸ”₯
Usage Daily heating, Visual Flame & Long Burntime, Log Burners, Fire Pits, Wood Burning Stoves, Open Fires Fast Starting Fire, Visual Flames, Moderate Burntime, Daily Heating, Pizza Ovens, Fire Pits, Wood Burning Stoves, Open Fires
Price Higher Price Point More Economical

Should You Choose Ash or Birch Logs?

Politicians answer coming up here, the answer depends on how and why you’re using your firewood:

  • Go for Ash if you burn regularly throughout the winter and want efficient, long-lasting heat with fewer top-ups.

  • Go for Birch if you light occasional fires for atmosphere or short-term warmth, or want something budget-friendly.

Many customers mix the two - using Birch to get the fire started and Ash to maintain a long, steady burn through the night.

They are both great firewood in their own right - you really can't go wrong no matter what you choose!

Order 2m3 Ash or Birch Firewood Logs Here

More Firewood Advice

View all
1 3
View all