We were on a mother & daughter trip to London and we chose the area because of the convenient location near King's Cross. We had room 2 which is on the first floor next to the kitchen. The room has a single and a double bed which were both very comfortable and we slept really well. There is not so much space so with three people it would have been a bit cramped.
As my daughter is a picky eater and no fan of a full English breakfast, we really appreciated that we could have toast, cereal, coffee and tea in the communal kitchen next to our room. Each room has its own shelf in the fridge, which was also convenient! Arbuzer checked and restocked toast, milk etc. regularly.
The two bathrooms are shared between the four rooms and are located on the 2nd floor. They were a bit dated but fine. There was always a free bathroom when we needed it!
On the day that we left we were able to store the luggage in the kitchen while we went out for a final tour of London.
If I could wish for one thing it would have been a bigger supply of kitchen sponges, cloths and teatowels, for doing the dishes after breakfast.
All in all I can really recommend this place for a London trip with kids!