Our garden backs onto a car park that belongs to a block of flats. We are quite overlooked by the flats and would like to screen the back for a bit more privacy. Can anyone recommend nice looking and fast growing shrubs or trees? Or would attaching a tall trellis to the 6ft fence with something (fast) climbing work well? How about semi-mature birch trees? I'd like to stay away from Leylandii as they are so dark and a bit overbearing.
Please help! I'm not an experienced gardener at all and with another summer at home, it would be lovely to enjoy the garden a bit more.