
Many of the hotels are already booked up so here is a tip on another solution. Friends of mine are renting out their 1 bedroom Apt in Tokai, Approx 30 min from town centre, closely located to the train line.
Here is some info but be quick to reply since I don't think it will stay available for long....
Tokai Villas
Suburb Town or City: Tokai

Street Address: Main Road, Tokai
Postal Code: 7800
Type of unit: Self catering
Units available: 1
Sleeps: Single or Couple
Description: Second floor 1 bedroom furnished apartment, full bathroom, i.e. shower, and bath. An enclosed garden with extensive views of the Constantiaberg Mountain. Property is situated in a secure complex. Use of parking space, as well as laundry and swimming pool facility.
Facilities: Shopping Malls, restaurants, golf courses, are within 4km's of apartment
Nearest host city and stadium: Cape Town (Green Point)Distance from stadium: 21-30km
Rates: R1400/night or R8000/week (7 days)
Availability of unit(s): For the month of June/July 2010
Contact Person: Alistair or Madelen
Phone (1): 27 83 688 7993 Phone (2): 27 732 70 80 43Fax: 27 21 712 0861
E-mail: africandhamma@gmail.com

