Tax on Rental Income UK

If you rent out UK property, your rental profit is taxable income, and in most cases you report it to HMRC yourself through Self Assessment. There is no separate "landlord tax" with its own rates. Rental profit is simply added to your other income and taxed at your normal income tax rates, subject to a couple of rules that are specific to property.

This guide covers what counts as taxable, which expenses reduce your bill, how and when to report it, and the records HMRC expects you to keep. It assumes you own property personally rather than through a company; company taxation works differently and is covered in our limited company buy to let guide.

What counts as taxable

Almost all income from letting UK property counts, including rent, non-refundable deposits you keep for damage, and payments for services you provide alongside the letting, such as cleaning or utilities included in an inclusive rent. If you let more than one property, HMRC generally treats your UK rental business as a single source of income, so you pool the profit and loss across all your properties rather than reporting each one separately.

A few things sit outside normal rental income tax:

• The property allowance. If your gross rental income is £1,000 or less in a tax year, you do not need to tell HMRC about it at all. If it is a little over that, you can choose to deduct a flat £1,000 allowance instead of your actual expenses, though this is rarely the better choice once you have real costs such as mortgage interest and repairs.
• Furnished holiday lets used to have a more generous tax regime, including access to certain capital allowances and different treatment on sale. That separate treatment has been withdrawn, and holiday lets are now taxed under the normal property income rules, so if you run one, do not assume older guidance about furnished holiday let tax still applies without checking current rules.
• Rent a Room relief lets you receive up to £7,500 a year tax-free if you let furnished accommodation in your own home, which is a different regime from letting a separate rental property.

If you own a property jointly, for example with a spouse, civil partner or business partner, profit is normally split according to your beneficial ownership share, which for married couples and civil partners is assumed to be 50/50 unless you hold the property as tenants in common in unequal shares and have filed the right election with HMRC. This is worth getting right early, since it affects both of your tax bills every year, not just once.

Mortgage interest is a special case covered by Section 24: you cannot deduct it as an expense from rental profit, but you get a 20% tax credit against your final bill instead. Our Section 24 explained guide covers the mechanics and worked examples in full, because it changes the arithmetic enough that it deserves its own explanation.

Expenses

You pay tax on profit, not on rent received, so allowable expenses matter. The general test is that a cost must be incurred wholly and exclusively for the purpose of the rental business, and it must be revenue in nature rather than capital.

Common allowable costs include letting agent fees, landlord insurance, repairs and maintenance that restore rather than improve the property, ground rent and service charges, accountancy fees, and the cost of replacing a domestic item such as a fridge or sofa with a broad equivalent. Costs that improve the property beyond its original condition, such as an extension or a loft conversion, are capital costs. They are not deductible against rental income, though they may reduce a future Capital Gains Tax bill when you sell. Our landlord allowable expenses guide has a fuller checklist, including the items landlords most often get wrong.

Reporting

If you need to complete a Self Assessment tax return, rental income and expenses go on the property pages (the SA105 supplementary form) alongside your main return. The tax year runs from 6 April to 5 April, and for most individuals filing on paper the deadline is 31 October following the end of the tax year, or 31 January if you file online, which is when payment is also due.

You need to register for Self Assessment if you have not filed before and your rental profit is over £1,000 (or in some other circumstances, such as being newly self-employed), and it is worth doing this well before the deadline, since HMRC can take a few weeks to process registration and send your Unique Taxpayer Reference.

If your gross qualifying income from property and self-employment combined is high enough, you may already be required to use Making Tax Digital for Income Tax rather than filing a traditional Self Assessment return. Our Making Tax Digital for landlords guide sets out the thresholds and what changes in practice.

Payments on account

Once your tax bill for a year passes a certain threshold and most of your income is not taxed at source, HMRC usually asks you to make payments on account towards the following year's bill. You pay half of the estimated next year's liability alongside your current bill on 31 January, and the second half by 31 July, with a final balancing payment (or refund) once the actual figures for that year are known.

This catches new landlords out more than almost anything else, because your first tax bill after starting to let property can be one and a half times the amount you expected: the tax you owe for the year just finished, plus the first payment on account for the year ahead. For example, if your final tax bill for a year comes to £4,000, you would typically pay that £4,000 by 31 January, plus a first payment on account of £2,000 (half of the same figure, as an estimate for the year ahead) at the same time, a total of £6,000 in one go, followed by a second £2,000 payment on account by 31 July. Building this into your cashflow forecast from the start avoids a nasty surprise in your second January, and it is a common reason landlords set aside a fixed percentage of every rent payment into a separate tax account throughout the year rather than waiting until the return is due.

If your income drops, for instance after selling a property or a period of high void costs, you can ask HMRC to reduce your payments on account so you are not funding a bill based on last year's higher profit. Get this wrong in the other direction, by reducing payments without good grounds, and HMRC can charge interest on the shortfall.

Record keeping

HMRC expects you to keep records supporting your rental income and expenses for at least five years after the 31 January submission deadline for the relevant tax year, and longer if you are being asked to correct an earlier return. In practice this means keeping:

• Bank statements or transaction records showing rent received and expenses paid.
• Invoices and receipts for repairs, agent fees, insurance and other allowable costs.
• Mortgage interest statements from your lender, since these feed into the Section 24 calculation even though you cannot deduct the interest directly.
• A simple log per property if you have more than one, so profit and loss can be pooled correctly at year end.

Landlords who keep clean records throughout the year, rather than reconstructing them from bank statements in January, consistently spend less time and less accountancy fee on their return, and are in a much stronger position if HMRC ever opens an enquiry. If you are within the scope of Making Tax Digital, records also need to be kept digitally rather than on paper, and updates are submitted from your software roughly every quarter instead of once a year, which makes year-round record keeping a requirement rather than just good practice.

It is also worth keeping a note of anything unusual as it happens rather than trying to remember it eight months later: a period the property stood empty between tenancies, a repair that was really a like-for-like replacement rather than an improvement, or a cost that was split between two properties. These are exactly the details that get lost in a bank statement and exactly the details HMRC is most likely to ask about if your return is queried.

How Property HQ helps

Property HQ connects to your bank accounts via Open Banking, automatically categorises rent and expenses by property, and produces a clean schedule you or your accountant can use directly for Self Assessment or Making Tax Digital, instead of rebuilding a year of transactions from statements every January.

Disclaimer

This guide is general information for UK landlords, not legal, tax or mortgage advice. Check GOV.UK, HMRC or a qualified adviser for your situation.