I feel fortunate to have found Tomasz's place. It's not just that I started looking so late (with a little more than a day before my arrival back in London from the continent), but it was only a stop or two away on the Underground from some of the places I wanted to be near, especially in the historic City of London. Even though he was away during my visit, it was always easy to get hold of Tomasz whenever I needed some help with anything.
One of the very interesting features of the place--as others have mentioned--is the compact nature of the front part of the apartment: kind of a cross between IKEA condensed chic and Japanese micro living. You'll find all the basics: fully-equipped kitchen with full-size stove-top and oven, large refrigerator and freezer, kettle, pots, pans, cups, mugs, glasses, saucers, cutlery, coffee, etc; washing machine (almost hidden, but smartly incorporated in a closet in the narrow entryway).
The bedroom, however, is spacious with a big bed and lots of storage space with closets, dresser, drawers, and electrical outlets. WiFi worked fast and efficiently as stated.
And while there can be a lot of street noise in the front of the building, it's amazingly peaceful and quiet in the bedroom in the rear--even with the windows open--as the back overlooks a large, grassy area and faces the rear of a twin apartment building. This makes for a good night's sleep.
And, finally, for someone who had been on the road for nearly six weeks and therefore carrying two heavy bags, having a lift was essential as the apartment is on the top floor, third above the street. It's the closest one to the lift, maybe 10 feet away.