Plans for the first 10 high-rise apartment blocks and a 123-bedroom hotel were given the go-ahead last night.
This puts the house builder on track for a construction start in 2012.
The regeneration of the 106-year-old site will also include improvements to the racing, hospitality, conference and events facilities.
Development plan in pictures
New Hotel
Hotel will be run by Bespoke Hotels.
Racecourse Edge – housing scheme
Apartment blocks along the racecourse designed to echo grandstand and hotel design
Racecourse offices
Proposed new racecourse office will connect to the rear of the hotel building.
Stables remodelling
Existing stables to be upgraded and a new stretch of stables will be built to replace some that will be demolished.
Hostel
Hostel will provide overnight accommodation predominantly for stable staff
The Boulevard – housing scheme
Townhouses built in modern Victorian-style with two and three storeys