It my first winter owning my golden larch bonsai and was just wanting to know if this is normal. The leafs started turning brown about a month ago but now they are falling and its looking quite bare, I know they do turn brown and go dormant through winter and the cold months as I have read upon them on care websites. I've owned it since about April and it's been quite happy 

It's out in the garden and I live in north east UK, it gets full sun and shade throughout the day and I've been very diligent on its watering. Just wondering if it's normal or have I done something wrong with the care

I would expect it to turn yellow as other larch species, not brown. But I have no experience with the species.

Pseudolarix amablis is a deciduous species, so it is quite normal, a bit early but will be fine.

Geoff: Do pseudolarix turn brown in authum, not yellow?

They should go yellow, but sometimes they won't it could be poor cultivation though. Watering

Thanks for the replys everyone, was just a bit surprised to see it fall so dramatically. Will just keep my fingers crossed. When would be ok to repot it? I noticed a few weeks ago there's some roots growing through the bottom drain hole and it's still the soil from when I bought it so I suspect it's not the best quality soil. 

That is proboably the hardest myth to bust in the bonsai hobby. Nurceries producing trees in bad soil that is not good for them. If they did that, they would not have any trees to sell and be out of business.

I think the myth is so hard to bust because of all beginners killing their first trees. It is just easier to blame the soil that taking any responsibility for what happened.

Nurceries grow trees in the kind of soil they think is the best within a defined budget. Expensive imported granular soils is out of the question for budget reasons, but it does not make their choises bad soils. It may not last as long as granular mixes, but there are never any urgency to repot newly purshased trees.

The best time to repot is in late winter to early spring. Just as you see buds swelling. If the soil is still draining well and you have doubts about the health of the tree it makes sence to wait another year. We try to avoid repotting trees in bad health, better to recover the tree in the soil it is in and repot after. 

Thanks everyone, I will just leave it be and see what happens and if the leafs regrowth happens