My four friends and I spent three nights at Lorraine's apartment and found it to be a great hub for our London stay. Lorraine was quick to respond to our numerous questions and made provision for us to be met on arrival when circumstances meant she couldn't welcome us herself.
Pros: great location for just walking around or accessing transportation to almost any location in London apartment is spacious and it feels safe.
Cons: very soft bed in master suite and there is only one toilet in the apartment. This is not a problem for a small family visit but could be for a larger group. Towels and bed linen need updating.