Positives: Great location within walking distance of restaurants, shops, buses, etc. Provided all necessities in the kitchen, bathroom and bedroom. Air conditioning to adjust the temperature to your preference, either cool or warm.
Negatives: Gets quite damp in the half-basement bedroom. Windows have poor sound insulation so it can get quite noisy from the street.
Conclusion: I was staying just for a couple of days and got used to the "negatives" after the first day. I wouldn't consider it a major drawback, but maybe it's something to consider if you are planning a long stay. Overall, I enjoyed my trip to Malta and a welcoming stay in Andrew's apartment. I can recommend it!