I would not judge, but I think clothes from Next and supermarkets and very disposable most of the time; they are never going to be long lasting classics that you can get from places just a bit more expensive such as Zara and Warehouse.
Some people think Zara is expensive for some reason, and they do do some higher priced stuff. But, most of it is of much better cut than Next + supermarkets, and only literlly a few pounds more (and sometimes less!)
I think if you can do that Gok thing where you choose 3 matching colours, and buy lots of mix and match things in these colours. It seems to work out very economical, and with all your clothes matching, you can create a good look each time.