EIM01030 | Employment income: car parking facilities at or near the employee's workplace
From HM Revenue & Customs · Employment Income Manual
Section 237 ITEPA 2003
Any payment or reimbursement of expenses in connection with the provision for, or use by, an employee of a car parking space at or near the employee’s workplace is not chargeable to tax.
For the meaning of “at or near the employee’s workplace” see EIM21685.