All the comments that others have made are accurate. Kitchen is well equipped and supermarket (which also sells wine and beer) is nearby. Kitchen even has a decent dishwasher (as opposed to clapped out dishwasher that you encounter more often than not in rented accommodation). Compass Coffee on 7th St (5 minute walk) is great. If your Australian, and looking for really good coffee then you will love Compass.
The apartment has a washing machine and dryer and a fire if its cold. There are two nearby train stations on the same line which means that you can get into the city quickly and easily. The neighborhood has a really nice feel - despite the snow and cold we enjoyed walking the local neighborhood streets.
Just over street from Compass, on the corner of 7th and Q Street we also found a great little French wine bar, which also serves light food. It's called La Jambe, the address is 1550 7th St NW, Washington, DC 20001, USA. Less than 5 minutes walk from the apartment.
I contacted Allan a couple of times, and met him briefly when he came around one morning to clear snow from the stairs and front path. Really nice guy. Couldn't have been more helpful or any quicker to answer any of our questions. Would definitely stay again, and will recommend to friends.