Lynn's place is supercentral, it's 10 minutes to the Tower Bridge. When you come from Gatwik airport by train, it's only one stop by tube to Lynn's house or you can walk a bit. Place has everything you need, as described. It's a guesthouse of 4 rooms and common areas. My room was warm, bed was really comfortable.
Neighboorhood is very quet, Tesco is 2 minutes away.
Lynn was a great host, helped me a lot.
I stayed for two nights, but the place is good enough to spend a week or two there.