I don't know any students who waste their money on expensive clothes, foriegn holidays etc. Yes, they may occassionally go out or have a drink of coffee, but most of them are living on a tiny amount of money a year (£2-5000). They would love to rent a cheap shithole of a flat, but instead they pay £300 a month for a room in a supposedly nice house that is infested with mice... or whatever. Landlords know they can charge this kind of money, so no-where is available any cheaper. Further away from the city centre, where rents are cheaper, landlords will only rent to families.
The only students I know who can afford flash lifestyles are the ones funded by parents or grandparents. The rest often work long hours to try and save some money.
The problem with trying to save while you are renting is that every 6-12 months you have to come up with a new deposit, as your landlord evicts you in order to raise the rent and you will never get all of your deposit back, no matter how careful you are. Deposits are usually a month and a half's rent minimum- so around £450+ for a room in a shared house, and £600+ for a one bedroomed flat.
Most people I know do without a car for as long as possible, but to get a many jobs in this area, you usually need one, as public transport is not great- insurance is huge, and of course running a car is really expensive.
Posters have talked about older people doing without appliances, but it's not really possible anymore. There are no laundrettes in my city centre- so you need a washing machine (and often a tumbledryer because your landlord won't let you dry clothes in doors). There's no housewife at home to daily shopping, so a fridge/freezer is a must. You're expected to have a mobile phone by work, and access to the internet in order to claim benefits or apply for your student loan- never mind to find work and answer emails.
Also, when saving for a house seems an impossibility- because £10k or more is a daunting sum when you have litterally no savings, sometimes it is nice to have stuff. Having a cheaper contract phone- so saving maybe £20 a month will get you £240 a year, plus say £300 on coffee it will save you £600 a year- except it won't, because something will always come up needing you to spend money on it. It is very hard to think you can litterally have nothing but the bare essentials for the 10 years it will take you to save a deposit you need- even assuming you're employed for all that time.
I'm not completely miserable about my personal prospects- I'm young with no attatchments and happy to travel abroad to find work if I need to. However, it does annoy me to see my generation constantly criticised- especially when the problems aren't of our making, and we mostly voted for Nick Clegg who then proceeded to completely screw us over. Is it any wonder most young people are utterly disaffected with politics?
These problems, especially entry level jobs for young people do need to be addressed. I don't think it will be that long before we see a repeat of the London riots. It is in everyone's interests for young people to feel they have a stake in society.