I've used Kent Tan for my 4-room HDB flat from July to September. It was a very pleasant working relationship. He's responsible, efficient, accommodating and he honors his words. To be frank, Urban design is pretty cheap in the market. But in order to maximise your benefit, it would be better if you could have a very clear idea of what you want in your renovation. Have plenty of magazine cut-outs, tell the designer what you want, as detailed as possible. I did that with Kent. In almost all my carpentry work, he followed exactly the dimensions I gave to him and it turned out to be great, fortunately. His carpentry work is one of the best I've seen, amongst all my friends' reno. However, be sure to ask him to use the best carpentry team; because he's got 3 teams, of variable standards. Tiling work has some tiny workmanship defects, but Kent asked the worker to redo every single tile that I didn't like. His attitude towards his work is quite admirable. In all, seriously, I'd use him for my next house reno. But of course, I'm the kind with very strong ideas of reno style. Do some research before you engage him. Hope that helps. Btw, I'm not an underground writer or sth. I can upload pics of my house if you wanna verify my identity.