I stayed at Ralf with my husband and our very young toddler.
The appartment is located in a quiet and safe area of Cape Town, with amazing views on Table Mt and Devil's peak, as well as the City Bowl.
We loved: the beautiful light that gets into the appartment, its spacious veranda, super comfy bed, cosy dining area, clean and nice-smelling sheets and towels, the cleanliness, and spacious cupboards, the cat who visited our balcony every so often. I also really appreciated having found a full bottle of olive oil, pepper, salt, basil, balsamic vinegar, and coffee. It is so annoying when these essentials are missing / on the verge of empty. Within walking distance there is a nice cafe which also sells some goodies (breads, spreads, dairy products, etc), and walks around the neighborhood guarantee you some amazing views over the mountains, and the city.
Ralf has been super responsive throughout our stay and immediately accommodated some of our requests: an additional set of keys and some kitchen utensils which we needed, as well as a high-chair for the baby. He even brought a kids cot (which we ended up not using).
The apt is perfect for 2 adults. Not 100% ideal with small toddlers, because of (1) an unsecure staircase (that said, Ralf has a 2 years old who doesn't seem to be bothered with that staircase :)) (2) a standard cubicle shower, the type our young toddler hates, and more difficult to bathe baby in. (3) no washer (clearly mentioned in the description). There are lots of places to do laundy around CT, but in my view, that is an extra hassle, especially during short stay with a public holiday in it.
The house gets solar power, so during our stay it was certain to have hot water for showering afternoon/evening, but not really mornings.
All in all a very nice stay, especially recommended for couples and solo travellers.