(we stayed as a family of two parents + kids 7 and 11 for 3 days)
The location is awesome: 15 minutes walk from Eurostar, food stores and restaurants literally at the foot of the building, and metro just around the corner.
The place is very comfy, great common living space, and spacious rooms.
And most importantly, Claire and Keith are awesome hosts, prompt to answer any question, nice and very helpful.
Highly recommended!