Parking at Warwick Watch
At Cannon Park you can get 3 hours free parking - these car parks have now have cameras so don't overstay this.
De Monfort Way next to Cannon Park has free parking all day by the roadside however you can't park there between 10-11 or 14-15.
Using this website: https://westwoodchurch.co.uk/car-park/, you can book spaces at Westwood Heath church at a cost; this is about a 10 minute walk away.
You can park roadside in the estate behind Canley cemetery for free. Hilary Road is about a 15 min walk from campus but you'll have to get there quite early if you want a space here (definitely before 10am, maybe earlier). Orlescote Road is about a 20 min walk from campus and always seems to have spaces. I wouldn't advise parking on many of the other roads around this area because the residents seem to become angry.
The university is capped by the local council as to how many parking spaces it is allowed, it has a responsibility to discourage parking on site.
Parking in local estates is becoming a real issue and I would not be suprised if permit parking zones were brough tin.