It was great to stay at Petra’s house. It’s very easy to go from Luton or Gatwick to Kentish Town, there’s a direct train even at late hours. We didn’t meet Petra but her friend Yasmin, who was really nice and helpful, was waiting for us until 2am and Petra didn’t charge us for the late check in. We were a bit unlucky as the Northern line wasn’t working for 2 of the days but Petra left a paper with instructions of the house and some buses we could use straight to the center. Either by underground or by bus you can get to all London attractions very easily and quickly.
The house was very clean and tidy and it looks as beautiful as the pictures show. I would highly recommend.