Making Tax Digital · Sole traders
Business travel costs: parking, tolls and congestion charges
ONLY£15A MONTHA charge for making a qualifying business journey can have a different tax treatment from a penalty for breaking a rule.
A charge for making a qualifying business journey can have a different tax treatment from a penalty for breaking a rule. Parking fees, tolls and congestion charges therefore need to be distinguished from parking fines and penalty notices, even when they arise on the same trip.
Establish the business journey
Record where you went and why. Ordinary private travel and journeys that do not qualify as business travel should not enter the claim merely because payment came from a business account.
HMRC's self-employed travel-expense guidance covers relevant vehicle and travel costs. Assess parking fees, road tolls and congestion or clean-air charges by their relationship to qualifying business travel. Identify private elements where the journey combines purposes.
Distinguish a charge from a fine
A normal parking fee buys parking. A penalty notice is imposed for a contravention. The fact that a fine arose while visiting a customer does not turn it into an allowable business expense.
Keep the notice or receipt so the nature of the amount is clear. Similar merchant descriptions can conceal different types of payment. If using simplified mileage, check which additional travel costs can be claimed separately and avoid also claiming vehicle running costs covered by the mileage rate.
Worked example: a customer visit
A qualifying business visit involves an £8 parking fee and a £4 road toll. The driver also receives a £60 parking penalty. The £12 of normal travel charges needs to be distinguished from the £60 fine.
Recording all £72 under “motor expenses” would hide the tax difference. Keep the full payment history and mark the disallowed amount so the bank still reconciles.
Start with the business purpose
An expense category describes a cost; it does not decide whether the cost qualifies for relief. The starting point is whether the spending was for the trade. Where an identifiable part was private, keep that part out of the claim. A personal withdrawal is not an expense simply because it leaves the business bank account.
HMRC's self-employed expenses guide explains the distinction between running costs, capital expenditure and private use. For example, a supplier may sell both equipment and household products. The shop's name is useful evidence, but the invoice tells you what you bought.
Record the full transaction and the business calculation clearly. If a £120 bill has £30 of identifiable private spending, a £90 business claim is easier to explain when both amounts and the reason for the split are retained. Do not delete the private part merely to force the bookkeeping total to resemble the tax deduction.
Nor is a deduction a reimbursement. Spending £100 to save a fraction of that amount in tax still leaves you with a real cost. Buy what the business needs, keep appropriate evidence and claim the relief available under the correct rules.
Keep the evidence connected to the figures
Your digital record should explain the amount, date and nature of the transaction. Keep the invoice, receipt, statement or other evidence that supports it. A photograph can make a paper document easier to retain, but a folder of photographs alone does not create complete transaction records.
For sole traders, HMRC normally requires business records to be kept for at least five years after the relevant 31 January filing deadline. Keep them longer where the rules for a late return, enquiry or other circumstances require it. Check the record-retention guidance.
Make the records usable by your future self. Include a short explanation where a bank description is vague, retain the calculation behind a business-use split and make corrections traceable. For a missing receipt, try the supplier account, email confirmation or a replacement invoice before relying on incomplete evidence.
At review time, compare your records with the bank or payment account and investigate differences. Equal totals are useful, but two errors can cancel each other out. A sample of individual transactions can reveal a duplicated purchase or an omitted customer receipt that a totals-only check misses.
A review that checks more than the total
Start with coverage: the correct person, business and period, plus all relevant accounts and cash records. Then look at completeness. A feed can be connected today while still missing an earlier week. Confirm the earliest and latest transactions against the source.
Next, inspect unusual items. Large transfers, loan receipts, refunds, net settlements and private purchases often need more context than a bank description provides. Check for duplicate imports where a statement overlaps a live feed. An automatic warning is useful evidence to investigate, not proof that the entry must be removed.
Finally, review category totals. A category unexpectedly showing zero, a large increase or a negative amount deserves an explanation. You do not have to make every annual tax adjustment at this stage, but you should understand the records behind the summary you approve.
HMRC explains what quarterly updates contain. Keep the approved version and the resulting acknowledgement together. If something later changes, correct the source record and use the software's supported update process so you can explain which figures are current.
Add a purpose to travel receipts
Use a job or meeting reference, identify any private portion and retain the charge documentation. Review fines separately at year end. A consistent vehicle method and a clear travel purpose make the eventual deduction easier to support.
Take the next step
Avona.app offers a self-service route from £15/month. Bring your records together, review the figures and choose a workflow that fits your business. For professional help, discuss the scope and total price of Avona Concierge, managed by chartered accountants, before choosing a service.