Firewood numbers

There are a lot of numbers associated with firewood and I’ve tried to collect best estimates relevant to small woodlands, here in one place, along with enough context to use them. They’re not a substitute for what you actually see in your own circumstances, but they’re the kind of thing you need if you’re putting together a woodland management plan, prior notification for a drying barn, a business case, or even deciding roughly what you can do.

I’ve organised it in the same order as the firewood processing sequence: how much grows per year, what lengths to cut, when to split, how drying works, how much heat different species produce, loose vs stacked, and bag sizes.

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Regulating wet firewood

Woodfuel has been in the news the last few days following the government’s announcement about restrictions on selling firewood to domestic users in England. What they’re trying to do is worthwhile, but the proposals raise some issues for owners of small woodlands. I believe there need to be exemptions for people selling less than about 50 cubic metres of firewood per year. Otherwise the regulations will inhibit small woodlands’ role in fighting climate change and attempts to bring half of England’s native woodlands back into management.

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