Statutory Mileage Allowances: Rates, Tax Benefits, and How to Claim

Statutory mileage allowances are fixed rates set by tax authorities to reimburse employees for using their personal vehicles for business purposes. These allowances cover vehicle-related expenses such as fuel, maintenance, and insurance. Understanding statutory mileage allowances is essential for employers and employees to ensure proper reimbursement, accurate tax reporting, and compliance with legal requirements.


1. What Are Statutory Mileage Allowances?

Statutory mileage allowances are payments made by employers to employees for business-related travel using personal vehicles, based on a specified rate per mile or kilometer.

A. Key Features

  • Fixed Rates: Determined by tax authorities and updated periodically.
  • Business Travel Only: Applicable to travel undertaken for work purposes, excluding commuting to and from the regular workplace.
  • Tax-Free Allowance: Payments within statutory limits are exempt from tax and National Insurance contributions.

B. Examples of Eligible Travel

  • Client Meetings: Travel to meet clients or attend business appointments.
  • Temporary Workplaces: Travel to temporary project sites or offices.
  • Work-Related Training: Travel to training sessions or conferences.

2. Current Statutory Mileage Allowance Rates

Statutory mileage rates are established by tax authorities, such as HMRC in the UK, and vary based on the type of vehicle and distance traveled.

A. Example: UK Mileage Allowance Rates (2024)

  • Cars and Vans: £0.45 per mile for the first 10,000 miles, £0.25 per mile thereafter.
  • Motorcycles: £0.24 per mile for all business miles.
  • Bicycles: £0.20 per mile for all business miles.

B. Additional Passenger Payments

  • Car Sharing: An additional £0.05 per mile for carrying passengers on business-related journeys.

3. Tax Treatment of Statutory Mileage Allowances

Mileage allowances are subject to specific tax rules, ensuring that reimbursements are fair and compliant with tax laws.

A. Tax-Free Allowances

  • Within Statutory Limits: Mileage reimbursements within statutory rates are exempt from income tax and National Insurance contributions.

B. Excess Mileage Payments

  • Above Statutory Rates: Any amount paid above the statutory mileage rates is treated as taxable income.
  • Example: If an employee receives £0.50 per mile but the statutory rate is £0.45, the £0.05 difference is taxable.

C. Mileage Allowance Relief (MAR)

  • Definition: Tax relief available to employees who receive mileage reimbursements below statutory rates.
  • Claim Process: Employees can claim the difference between the statutory rate and the amount received from their employer.

4. How to Calculate Mileage Allowances

Calculating mileage allowances involves multiplying the business miles traveled by the applicable statutory rate.

Example Calculation

  • Business Miles: 8,000 miles in a tax year.
  • Rate: £0.45 per mile.
  • Allowance: 8,000 miles × £0.45 = £3,600 tax-free reimbursement.

Excess Mileage Example

  • Paid Rate: £0.50 per mile.
  • Excess: £0.05 per mile × 8,000 miles = £400 taxable income.

5. Employer and Employee Responsibilities

Both employers and employees have responsibilities in managing statutory mileage allowances to ensure accuracy and compliance.

A. Employer Responsibilities

  • Policy Implementation: Establish clear policies for claiming mileage allowances.
  • Accurate Reimbursement: Pay mileage allowances according to statutory rates.
  • Record-Keeping: Maintain detailed records of business travel claims and payments.

B. Employee Responsibilities

  • Record Miles: Keep accurate records of business miles traveled.
  • Submit Claims: Submit mileage claims with required details (date, destination, purpose).
  • Claim MAR: Apply for Mileage Allowance Relief if reimbursed below statutory rates.

6. Benefits of Statutory Mileage Allowances

Statutory mileage allowances provide financial and operational benefits to both employers and employees.

A. Financial Relief for Employees

  • Benefit: Covers vehicle expenses incurred for business travel.

B. Tax Efficiency

  • Benefit: Tax-free reimbursements reduce employees’ taxable income.

C. Administrative Simplicity

  • Benefit: Standard rates simplify reimbursement calculations and tax reporting.

7. Importance of Statutory Mileage Allowances

Statutory mileage allowances play a critical role in compensating employees for business-related vehicle expenses while ensuring tax efficiency. By adhering to statutory rates, employers can manage costs effectively, and employees can benefit from tax-free reimbursements. Accurate calculation, record-keeping, and compliance with tax regulations are essential for maximizing the benefits of mileage allowances.

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