Dirk Gently's Holistic Detective Agency
Gordon Rimmer's House
Todd spots Lydia Spring while returning the dog he found in episode 1x01 “Horizons”. Todd and Dirk return to the house to investigate in episode 1x02 “Lost & Found”. Lydia arrives at the house in a flashback and Farah investigates the burned out wreckage with Dirk and Todd in episode 1x03 “Rogue Wall Enthusiasts”.
Source: What's Filming? — Twitter