I've got a new job starting in a week and a half and it requires me to dress fairly formerly. We're not talking a suit everyday, but certainly not my regulation jeans and t-shirt. More like smart trousers and shirt and tie.

Anyone know where to get decently priced smart trousers? I'm thinking sub £20 really, but I understand you get what you pay for. Nothing silly required in terms of sizes. I've had a look at Topman etc... but paying £20 for trousers which are 70% polyester doesn't appeal.

So... Buying tips please!