We have a brick wall about 6.5 feet at the bottom of our garden which divides our house from the neighbours. Previous owner sold off the plot on which their house was built. They are currently erecting a huge trellis fence about 1 foot inside their boundary which is about 8.5 feet high. It is also bright blue!! It spoils the outlook from my lounge and is a real eyesore. Do you think this is acceptable or should I have a word with them about it? (We have never spoken so don't know them at all.)