In this week's comments update, readers are discussing a house in Japan with thick walls of exposed concrete, completed by Studio Cochi Architects.
Due to its location in a dense residential area, the clients wanted the house to be an "urban oasis" protected from overlooking neighbouring buildings. Not all commenters were won over by the design.
Studio Cochi Architects creates raw concrete house in Japan
"That spatial sequence is epic"
"It looks hideous, like a concrete shipping container," wrote Stevie Babes.
Heywood Floyd was more balanced in their assessment, reflecting "there's a lot I'm unsure about here ? poorly finished concrete, which seems to be purposeful, lack of natural light, lack of furniture, lack of stuff". "However, that spatial sequence is epic," they allowed, before describing it as "ambitious work".
"Interesting dramatic spaces," admired MrG. "But all that concrete for a one bedroom home"!" they asked.
Meanwhile, Mark Zudini simply described it as "strong and beautiful".
Hideous or beautiful" Join the discussion ?
Studio Moto creates sculptural concrete lookout point on Belgian coast
"Huge effort with an unclear purpose" 
Another concrete structure that got readers talking in the comments section this week was a ring-shaped viewpoint on a Belgian beach completed by local practice Studio Moto.
"Absolutely delightful, and a great fishing spo...