I moved into my house about 6 years ago.
There is a large birch tree at the back of the garden. A few months after we moved in my neighbours asked if I would consider cutting it, they complained it had grown a lot over the years. I refused as I love the tree and we didn’t have the money to do it either.
Last year we had some bushes and trees trimmed in our garden, the tree surgeon said our tree is in good condition and doesn’t need cutting. The tree is at the back of our garden but side of the neighbours house where it doesn’t affect light.
Today I noticed that the neighbours had cut the tree. The tree splits into three and a third had been loped off. I did hear noises yesterday but didn’t even consider they would be cutting my tree.
Of course I understand that they are allowed to cut any over hang but AIBU to think you inform your neighbours (we’ve never had any sort of disputes, just say hello if we pass each other). Also as a third of the crown has gone I worry about the integrity of the tree and would have liked to be consulted to know that it’s safe and won’t die prematurely.