I'll name that lump of wood in....

[Stubby]

2 minutes ago, Daniël Bos said:

But then, hawthorn is very dense and heavy. (It sinks when green)
And the bark is too papery and flaky.

And too brown . Hawthorn has a grey/green tint to the bark .

[nepia]

Another one for Cryptomeria: the apparent light weight, the bark colour and texture, the colouring in the wood and the contorted growth all fit.

 

Cherry?! 

[Sequoia]

We used to get Junipers this size in East Africa, but the growth rate rules it out.  Deffo not Yew, Cherry, Arbutus, Hawthorn, Lonicera.  Good suggestion of Cryptomeria.

[CDMR]

Thanks all. Cryptomeria seems to be the outright favourite. It has gone into the store to start drying. Hopefully something interesting to be made from it in the fullness of time.