Self Assessment July 31 Deadline: Step-by-Step Guide for Landlord Drivers
The self assessment July 31 deadline is when your second payment on account is due, normally half of last year's bill. If you drive and let property, rental profit is part of that bill, and you can ask HMRC to reduce it if rent falls.
Published 9 October 2026 · Updated 9 October 2026
The self assessment July 31 deadline catches many drivers who also let out a property. If you drive for Uber or Bolt and receive rent, the second payment on account is due by midnight on 31 July, and your rental profit helps decide how big it is. This step-by-step guide shows you how to find the figure, check it, reduce it when rental income falls and cope if cash is tight.
It covers one narrow question: how rental profit changes your 31 July bill when you also have driving income. For the CIS version of this deadline, read our 31 July deadline CIS guide. For landlord rule changes, see our HMRC landlord tax update for drivers.
Key takeaways
- The 31 July payment on account is half of your previous year's Self Assessment bill, and rental profit is part of that bill.
- You can ask HMRC to reduce your payments on account online or on form SA303 if you expect a lower bill.
- Pay late and HMRC charges interest, plus penalties on tax that stays unpaid.
- If you cannot pay in full, contact HMRC before the deadline about a payment plan.
- Landlords who drive for Uber or Bolt keep one combined bill, so a quiet year on either income stream can lower it.
What is the 31 July payment on account?
The 31 July payment on account is the second of two advance instalments towards your Self Assessment tax. According to HMRC's guidance on payments on account, each instalment is half of your previous year's bill, due by midnight on 31 January and 31 July. Rental profit and driving profit both feed the calculation.
The system exists so that people with untaxed income pay in two steps instead of one large bill. Employees avoid this through PAYE (Pay As You Earn), where tax comes off wages. Self-employed drivers and landlords have no such deduction, so the advance payments act as a stand-in.
Do landlords who drive for Uber have to make payments on account?
Usually yes, if last year's Self Assessment bill was over £1,000 and less than 80% of your income tax was collected elsewhere, such as through a PAYE tax code. HMRC's payments on account guidance sets out both tests. Rental income is rarely taxed at source, so it normally counts towards the bill.
Capital gains tax and student loan repayments do not count towards the £1,000 test. So a driver with a small rental profit and modest driving profit may fall below the line and make no advance payments at all. Check your latest statement rather than guessing.
How does rental profit feed into your payments on account?
Your payments on account are based on the whole of last year's bill, so rental profit is added to your driving profit before tax is worked out. A higher rental profit lifts your bill and therefore both advance payments. There is no separate property instalment; you pay one combined sum to HMRC.
Rental profit is your rent received minus allowable expenses. Under HMRC's tax-free allowances guidance, you can instead claim the £1,000 property allowance, but not both that and expenses. The route you picked on your last return shapes the bill that today's payments are built on.
Self-employed drivers pay Class 4 National Insurance contributions (NIC) on their driving profit, and that is included in the payments on account base. Whether Class 4 applies to your rental profit depends on your circumstances, so check the position on GOV.UK. Our personal tax service can confirm it from your figures.
How do you work out your 31 July payment? A step-by-step method
Find your latest Self Assessment bill, take half of it, and that is normally your 31 July payment. Then compare it with your expected bill for the current year. The steps below take about twenty minutes if your records are tidy, and you can do them well before the deadline.
- Sign in to your HMRC online account and open your latest Self Assessment return, then choose the statements option to see the amount and due date of each payment on account.
- Write down last year's total bill. Split it, roughly, into driving profit tax (income tax plus Class 4 NIC) and rental profit tax, using your return as a guide.
- Divide the total by two. That half is the payment due on 31 July. The other half was due the previous 31 January.
- Estimate this year's bill so far. Add up driving profit to date and rental profit to date, minus allowable expenses, then apply the current rates on GOV.UK.
- Compare your estimate with last year's bill. If the new bill looks lower, consider a reduction request. If it looks higher, do not reduce anything.
- Decide whether to pay in full, reduce the payment or ask HMRC for a payment plan. Do this before the deadline, not after.
- Pay by a method that arrives in time, using your 10-digit Unique Taxpayer Reference (UTR) as the payment reference, and keep the receipt with your records.
HMRC's Pay your Self Assessment tax bill page says online bank payments, Faster Payments and card payments usually reach HMRC the same or next day. Bacs and an existing Direct Debit take about three working days. Allow extra time near the deadline.
Illustrative example: a driver with a rental flat
This is an illustrative example using an invented driver, rounded to keep the arithmetic clear. It is not a forecast of your own bill.
Sam drives for a ride-hailing app and lets out one flat. For 2025/26, Sam's Self Assessment bill was £4,800, made up of roughly £3,400 on driving profit (income tax plus Class 4 NIC) and £1,400 on rental profit. Each payment on account is therefore £2,400.
| Item | Amount | Notes |
|---|---|---|
| 2025/26 total bill | £4,800 | Driving £3,400 + rental £1,400 |
| First payment on account (31 January) | £2,400 | Half of £4,800 |
| Second payment on account (31 July) | £2,400 | Half of £4,800 |
| Sam's estimate for 2026/27 if the flat is empty for six months | About £3,800 | Rental tax falls to roughly £400 |
| Reduced payments on account, based on the estimate | About £1,900 each | Half of £3,800; HMRC works the exact figure |
If Sam asks HMRC to reduce the payments and the year ends with a bill higher than £3,800, interest runs on the shortfall. HMRC's guidance on reducing payments says so directly. Any remaining balance is settled in the balancing payment due on 31 January 2028 for the 2026/27 year.
How do you reduce a payment on account when rental income falls?
Sign in to your HMRC online account, view your latest return and choose the option to reduce payments on account, then enter the amount you expect to owe. You can also post form SA303 to your tax office. According to HMRC's payments on account guidance, both routes need your expected figure.
Typical reasons for a genuine reduction include a void period, a tenant leaving, major repairs that you can claim as allowable expenses, selling the property, or a drop in driving hours. Keep a short note of why you chose the figure. If HMRC later asks, that note shows the estimate was made in good faith.
Reduce only to a level you can support. A deliberately low figure can bring interest, and in serious cases penalties. If your profit is volatile, a mid-year review with an accountant is cheaper than being caught short. Our tax calculator gives a quick sense of your likely bill.
What happens if you pay your 31 July bill late?
HMRC charges interest on late payments, and penalties apply if the tax stays unpaid. According to HMRC's late payment penalty guidance, the penalty is 5% of the unpaid tax at 30 days, 6 months and 12 months after the due date, with interest charged on top.
HMRC's published interest rates showed a late payment rate of 7.75% from 9 January 2026 when we checked on 9 October 2026. Rates change, so check the current figure before you rely on it.
Payments on account are not the final bill. If you overpay, HMRC can refund the difference or use it against future liabilities. If you underpay, the shortfall is due on the balancing date. Late payments on account still attract interest even though the final amount is not yet known.
What can you do if you cannot afford the 31 July payment?
Contact HMRC before the deadline and ask about a payment plan. HMRC's difficulties paying guidance says you may be able to pay in instalments, subject to an affordability check, and that HMRC will ask for the full amount if no plan is agreed.
Check eligibility and any debt limits on that GOV.UK guide, because the rules change. Have your income and outgoings ready. Do not stop paying your other tax obligations, and compare any borrowing cost with HMRC's own interest rate before you take out a loan.
Reduce first, plan second. If your expected bill really is lower, a reduction cuts what you owe. A payment plan only spreads what you owe. Using both for the right reasons is sensible; using a plan to cover an overstated payment is needlessly expensive.
Why does 31 July matter more for drivers who let property?
Landlord-drivers have two uneven income streams, so last year's bill is a weaker guide to this year's. A good year for rent and a poor year behind the wheel can balance out, but a dip in both leaves you paying more in advance than you owe. That is why checking in July matters.
Seasonal driving work, such as airport runs and events, can swing profit sharply, and rental voids and repairs can swing it again. Add in the cost of insurance and licensing, and a July cash squeeze is common. Keep a reserve equal to half your last bill if you can.
If you earn property income alongside platform income, our guide for Bolt drivers with landlord income explains how both appear on the return, and our key tax dates for drivers lists every deadline in one place.
How should you keep records for rental income and driving profit?
Keep a separate bank account or at least a clear ledger for rent and driving income, store invoices and receipts for rental expenses, and log business mileage. Good records let you estimate in July and defend the figures later. HMRC expects you to keep them, and you will need them for the return.
- Rent received, deposits held and rent arrears, each dated.
- Letting agent fees, repairs, insurance and ground rent, with receipts.
- Driving income statements, platform fees, fuel and other allowable costs.
- Mileage logs for business trips, kept as you go.
- Copies of every HMRC letter, statement and payment receipt.
Common mistakes and the penalty each triggers
| Mistake | What can follow |
|---|---|
| Ignoring the 31 July payment | Interest on the amount owed, plus 5% penalties on unpaid tax at 30 days, 6 months and 12 months |
| Reducing the payment too far | Interest on the shortfall once the final bill is known |
| Forgetting rental profit when estimating | A balancing payment larger than expected on 31 January |
| Using the wrong payment reference | The payment may be allocated late, so interest could run |
| Paying by a slow method on deadline day | The payment arrives after midnight and counts as late |
These are general consequences, not a prediction for your case. If HMRC disputes a figure or opens an enquiry, professional representation is strongly recommended.
How UK Driver Accountants helps
UK Driver Accountants is an accountancy practice for drivers only, with fixed fees from £20 a month, independent of Uber and Bolt. We estimate your payments on account, handle SA303 reduction requests and prepare the return that includes your property income. See our landlord tax service and pricing.
Key terms
- Payment on account: an advance instalment towards your next Self Assessment bill.
- Balancing payment: the amount still owed after payments on account, due 31 January.
- UTR (Unique Taxpayer Reference): your 10-digit Self Assessment identifier.
- NIC (National Insurance contributions): charges including Class 4 on self-employed profit.
- PAYE (Pay As You Earn): the system that deducts tax from wages at source.
- SA303: the HMRC form used to ask for a reduction in payments on account.
Conclusion: plan for 31 July before the letter arrives
The 31 July deadline is manageable when you treat rental profit and driving profit as one bill, check the figure early, reduce it only on solid evidence and speak to HMRC before any shortfall. If you want help with the numbers, contact our team and we will walk through your statement with you.
Last reviewed 9 October 2026 by the UK Driver Accountants tax team.
This article is general information and is not personal tax advice. Speak to a qualified accountant about your own circumstances, and take professional representation if HMRC disputes a figure or charges a penalty.
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