Expenses and benefits: congestion charges

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1. Overview

As an employer covering the costs of congestion charges for your employees, you have certain tax, National Insurance and reporting obligations.

Different rules apply depending on whether the employee used a company vehicle or their own car, and whether they were travelling on business or not.

Business travel

Travelling on business means that the employee either travels as part of their job (eg for meetings) or needs to go to a temporary workplace. Everything else is counted as private travel.

2. What's exempt

You don’t have to report or pay anything to HM Revenue and Customs (HMRC) if the employee is driving in a company vehicle.

Salary sacrifice arrangements

You do have to report charges if the employee is driving a company vehicle for private purpose as part of a salary sacrifice arrangement.

3. What to report and pay

If congestion charges aren’t exempt, you must report them to HM Revenue and Customs (HMRC), and may have to deduct and pay tax and National Insurance on them.

The value of the benefit to use is the amount you pay in congestion charges.

Some congestion charges are covered by exemptions (which have replaced dispensations). This means you won’t have to include them in your end-of-year reports.

If the employee is using their own vehicle to travel on business

You must report the cost on form P11D. You don’t have to deduct or pay any National Insurance or tax.

If you pay congestion charges directly for an employee’s private travel

You must:

If you reimburse congestion charges for an employee’s private travel

This counts as earnings, so you must:

  • add the value of the benefit to your employee’s other earnings
  • deduct and pay Class 1 National Insurance and PAYE tax through payroll.

Salary sacrifice arrangements

If the cost of the charges is less than the amount of salary given up, report the salary amount instead.

These rules don’t apply to arrangements made before 6 April 2017 - check when the rules will change.

4. Technical guidance

The following guide contains more detailed information: