Q.European Aspen ?
Our neighbour has this tree in their garden- our houses were built around existing trees on this brown fill site. It is about 6 metres away from the house. The neighbours let a new tree grow unchecked up against our fence which is now 2 metres high. We have found large thick roots in our flower beds which lead throughout the lawn when we try and pull them up. They are continually throwing up new saplings- it is a nightmare. I like the sound of next door‘s tree in the wind, but are our houses compromised? Is there anything we can do? Should we inform the builder/council?

Certified GKH Gardening Expert
Yes, our laws here are very different from yours. I would consult someone who would be familiar with the laws in your area. They will be able to help you figure out what to do regarding this situation.