We stayed with Karen for a few days over the new years break, and didn't have a single problem at all :) We arrived late in the evening and Karen was very accommodating with our needs and met us and gave us the tour, explained how everything worked etc. My best hint would be regarding how to get to the place. We made the mistake of taking the overground train to Harringay, which is the nearest train station, but it's HEAPS easier, and also cheaper to stay on the underground, get off at Finsbury Park, and then walk to the Wells St exit and take the W3 bus. The bus leaves from the busport at the train station, but be aware there are two bus stations, one on either side of the station - so just look for the one that has the W3. Get off the W3 at the Mount View Rd stop, and then you're only about 100 metres from the house. If you do what we did then you have a 10 minute walk up hill dragging your suitcases from the Harringay train station - not exactly fun!