Redecorating

On Saturday Martin, James's ex-housemate, came to redecorate part of the living room. Several weeks ago we had moved the cupboards to a better place in the living room. We found that the last person to paint the living room had painted around, but not behind the cupboards. So we were left with a two colours on the wall, as per the attached photo. Martin painted the wall for us a couple of times and it much better. It doesn't however cover the water mark from the above flat...