I was bored, and then I got bored of being bored so its totally incomplete. Feel free to add other colleges to the thread.
These are based on college accommodation which runs term time only. Compulsory hidden additional charges which a disappointing number of colleges try to sneak past the user have been added into the total.
Brasenose: £3490 -£5220Christ Church: £3535Exeter: £3752Lincoln: £3545Magdalen: £3957Merton: £3275Pembroke: £3200-5800. Additional £165 charge for freshers.
St Hilda's - £3792 - £4182St John's: £3426Wadham: £3840 but includes daily evening meal (compulsory).
Food:
Christ Church - Breakfast £1.75, Lunch: £4.95, Dinner: £2.38 (Dining Season Ticket only) = £9.07 with season ticket
Lincoln - Breakfast: £1.15, Lunch: £3.30, Dinner: £4.85 = £9.30
Magdalen "Between £9 and £10 per day for 3 college meals is average". Additional termly charge of £202-£223, of which £150 is debit to use in hall and the rest is non-redeemable.
Merton - Breakfast: £1.82, Lunch: £3.30, Dinner: £4.00 = £9.12
Pembroke - Dinner £5.64. Others not stated.
This implies ~£8.40/day for 3 meals.
St Hilda's - unable to [easily] find.
St John's Breakfast: £2.69, Lunch: £2.69, Dinner: £3.59 = £8.97
Wadham - Dinner £4.40 or included in accommodation charge, otherwise not stated.