I would definitely recommend staying in this apartment if you're visiting Riga. It is perfect for both short and long stays. It is located in Old Town - closest to all sights and with good transport links to the rest of the city and even outside Riga as train station is less than 10 minutes walk away.
Apartment itself is very cozy and has everything needed - fully stocked kitchen, fast wi-fi, towels, hairdryer etc. Restaurants and supermarkets are all within walkable distance. Two restaurants Uncle Vanya and Fat Popo are literally downstairs.
Roberts is a great host - he gave me detailed instructions on how to check in and check out, what is around the apartment and was super quick to respond to all my questions. I had no issues throughout my 11 day stay.
I really enjoyed my stay and would love to stay here again.