It is a very nice, quite and clean place that I can recommend. But you may need some details to reach her place. To arrive from Central London, take the Piccadilly tube line north and get out at Arsenal station. From the station walk to the right along a street that after 100m becomes Dayton Park street. Pass shop Tesco and the Arsenal and then turn left into the street of the house of Cathy.
Cathy's house is open and she offers croissants, fruits as well as tea or coffee.