Parking permits - at what cost for local residents?

One of the many details missing from Oxford United's stadium proposal is the cost that will be imposed on local residents who will have to pay for parking permits. Will we have a similar situation to residents in Huddersfield who had a permit scheme imposed on them and are now seeing an increase in costs? 

Read about the situation in Huddersfield: Residents living near the John Smith’s Stadium angry over big rise in cost of parking permits