I stayed at the apartment for over two weeks and I must say it is impossible to fall out of love with the view of the Table Mountain and the Lion's Head it offers. Additionally, the communication with Brett was smooth from the very beginning, so I never had to worry about anything.
The building is absolutely fantastic, with a supermarket and two restaurants downstairs, a gym and a pool on the 4th floor, washing machines and driers on the first floor, however, the area where it's located is slowly becoming up-and-coming, but it'll take some years to feel completely safe there. Don't be discouraged by it though, if you need to get around, just get an Uber, which is very affordable in Cape Town and enjoy yourself as much as you can.
Highly recommended!