days day
hours hour
minutes minute
seconds second
One of the most effective ways to reduce your rental tax bill is to make sure you are claiming every allowable expense you are entitled to. HMRC does not tax you on the rent you receive, it taxes you on your rental profit, which is your income after deducting legitimate business expenses. Yet many landlords either miss expenses they could claim, or claim costs that HMRC does not allow, both of which create problems. This article sets out the ten most important allowable expenses for landlords, explains what you cannot claim, and draws out the key distinctions that catch people out most often.
The starting point for any expense claim is the “wholly and exclusively” test. To be deductible against rental income, an expense must be incurred wholly and exclusively for the purposes of the property rental business. This means the cost must have a clear business purpose connected to the letting activity, it cannot be a personal cost dressed up as a business one, and it cannot be a cost that serves a dual purpose unless the business and personal elements can be clearly separated and apportioned.
This principle runs through every expense decision a landlord makes. A repair to a rental property passes the test easily. A holiday that happens to include a visit to a property does not. Understanding the test helps you apply it to costs that do not fit neatly into any standard category, and it is the framework HMRC will use if it ever enquires into your return.
Mortgage interest is one of the largest costs most landlords face, but it is important to understand that it is no longer treated as a straightforward deductible expense for individual landlords. Under the Section 24 rules that have applied in full since April 2020, individual landlords cannot deduct mortgage interest from their rental income when calculating their taxable profit. Instead, they receive a basic rate tax reduction worth 20% of their qualifying finance costs, applied after the tax on their rental profit has been calculated, not before.
This distinction matters enormously. A deduction reduces the income on which tax is calculated; a tax reduction merely reduces the final bill by a fixed percentage. For higher and additional rate taxpayers, this means the effective relief on mortgage interest is 20% rather than 40% or 45%, representing a real and permanent increase in tax compared to the old rules. The qualifying finance costs include mortgage interest, loan arrangement fees, and interest on other loans used for the property rental business. Capital repayments are not allowable in any form, they are simply a reduction in the outstanding loan balance and have no tax relevance.
Where the full finance costs cannot be absorbed in a given year, the unused amount is carried forward to the following tax year. This carry-forward must be actively tracked and claimed on your Self-Assessment return.
The cost of keeping your rental property in good working order is fully deductible. This covers a wide range of day-to-day expenditure: fixing a broken boiler, repairing a leaking roof, replacing a cracked window, redecorating between tenancies, and attending to general wear and tear. The key principle is that the work must restore the property to its previous condition rather than improve it beyond that standard. We explore the repair versus improvement distinction in more detail below, as it is one of the most important, and most frequently misunderstood areas of landlord taxation.
If you let a furnished or part-furnished property, you can claim relief when you replace domestic items such as sofas, beds, mattresses, white goods, curtains, carpets, and crockery. This is known as the replacement of domestic items relief, and it allows you to deduct the cost of the replacement item, up to the cost of an equivalent replacement, not an upgrade, in the year the expenditure is incurred.
There are two important limitations to be aware of. First, the relief applies only to replacements, it does not cover the initial cost of furnishing a property from scratch. Second, if you replace a basic item with a significantly superior one, the deductible amount is capped at what an equivalent replacement would have cost, and only the excess counts as capital expenditure. The relief applies to moveable items and does not extend to fixtures that form part of the building itself, such as fitted kitchens or bathroom suites, which are dealt with as repairs or capital expenditure depending on the circumstances.
If you use a letting agent to find tenants, manage the property, or both, their fees are fully deductible. This includes percentage-based management fees charged on the monthly rent, one-off tenant-find fees, renewal fees, check-in and check-out fees, and any other charges the agent levies in connection with the letting. Letting agent fees are typically one of the more straightforward expense claims, provided the fees relate to the rental business rather than to the sale of the property.
The cost of having an accountant prepare your rental accounts or complete the property pages of your Self-Assessment return is an allowable expense. Where an accountant handles both your personal tax affairs and your rental business, only the portion of the fee that relates to the rental business is deductible, but in practice, most accountants will be able to provide a reasonable apportionment. The cost of general financial or investment advice is not deductible, but fees directly connected to the reporting and compliance obligations of the property business are.
Insurance premiums for buildings insurance, contents insurance, and landlord-specific policies are all allowable expenses. This includes rent guarantee insurance, which covers you if a tenant fails to pay, and legal expenses insurance, which covers the cost of eviction proceedings or other property-related legal disputes. The premiums must relate to the rental property rather than to your personal assets, but for most landlords this is a straightforward distinction.
Where you are liable to pay a service charge to a freeholder or management company, typically on a leasehold property, that cost is deductible against your rental income. Service charges commonly cover the maintenance of communal areas, lifts, external decoration, and building management. The charge must be one that you as the landlord are obliged to pay; if the tenant pays the service charge directly, it is not your expense to claim.
Ground rent payable to the freeholder of a leasehold property is an allowable expense for the landlord. As with service charges, the deduction applies where you as the landlord are liable for the payment. Ground rent on residential leases has been subject to significant legislative change in recent years, the Leasehold Reform (Ground Rent) Act 2022 restricted ground rent on new residential leases to a peppercorn, but where ground rent is still payable under an existing lease, it remains deductible.
Council tax is normally the tenant’s responsibility, but there are circumstances in which the landlord is liable, most commonly during void periods when the property is empty, or where the tenancy agreement makes the landlord responsible. Where you pay council tax as the landlord, it is an allowable expense for the period during which you are liable. The same principle applies to business rates if the property is subject to them rather than council tax.
Gas, electricity, water, and broadband bills are deductible where you as the landlord pay them rather than the tenant. This is most common during void periods, in houses of multiple occupation where the landlord includes bills in the rent, or in short-term lets where utilities are bundled into the letting price. Where you pay utilities during a void period and then the tenant takes over responsibility, you can claim the costs for the period you were liable and no more.
Understanding what you cannot claim is just as important as knowing what you can. The costs that are most commonly claimed in error fall into two broad categories: acquisition costs and capital expenditure.
The purchase price of a property is not a deductible expense against rental income. Neither is stamp duty land tax, conveyancing legal fees, survey costs connected to the purchase, or auction acquisition costs. These are all costs of acquiring a capital asset, and while they may be relevant when calculating a capital gain on eventual disposal, they have no place in the rental profit calculation. Many landlords, particularly those who are new to property investment, assume that the costs of buying a property can be offset against rental income in the early years. They cannot.
Capital improvements are similarly not deductible as revenue expenses. If you extend the property, convert the loft, add a conservatory, or upgrade the kitchen to a significantly higher standard than what was there before, those costs are capital expenditure. They may be relevant for CGT purposes when you sell, but they cannot be deducted from rental income. The distinction between a repair (allowable) and an improvement (capital) is explored in more detail below.
The landlord’s own labour is not deductible. If you spend a weekend redecorating the property yourself, you cannot charge your own time as an expense. Only actual cash expenditure on third-party services qualifies.
As noted above, the initial cost of furnishing a property from scratch is not covered by the replacement of domestic items relief, that relief applies only to replacements, not to the original fit-out.
The line between a repair and an improvement is the single most contested area of landlord expense claims, and it is worth understanding clearly. A repair restores something to its previous condition, it does not make the property better than it was before. An improvement enhances the property beyond its previous standard, and the cost is capital expenditure rather than a revenue expense.
In practice, the distinction is not always obvious. Replacing a single-glazed window with a double-glazed one of a similar standard is generally treated as a repair, because double glazing is now the norm and the replacement simply restores the property to a lettable condition. Replacing a basic fitted kitchen with a high-specification one is an improvement. Replacing a like-for-like kitchen, same layout, similar quality, is a repair. The question HMRC asks is whether the work goes beyond restoring the asset to its original condition, and if it does, the excess cost is capital.
Where a repair is carried out on a property that was in a dilapidated state when purchased, HMRC may argue that the cost of bringing it up to a lettable standard is capital rather than revenue expenditure, the so-called “initial repairs” issue. This is a well-established area of case law, and landlords who buy properties requiring significant work before they can be let should take care to understand how those costs will be treated.
To bring the calculation together, here is a straightforward example. Emma lets a residential property and receives rent of £15,600 over the tax year. During the year she incurs the following allowable expenses: letting agent management fees of £1,200, buildings insurance of £450, a boiler repair of £800, replacement of a washing machine of £350, and accountancy fees of £400. Her total allowable expenses are £3,200.
Her taxable rental profit before any finance cost tax reduction is therefore £15,600 minus £3,200, giving £12,400.
If Emma has a mortgage on the property, the interest element is not included in the £3,200, it is entered separately on her Self-Assessment return and generates a 20% tax reduction applied against her final tax bill. The £12,400 profit is added to her other income to determine the rate at which it is taxed.
Allowable expenses are one of the areas where getting professional advice pays for itself. Claiming costs that HMRC does not allow can result in penalties and interest if the error is discovered on enquiry. Missing expenses you are entitled to means paying more tax than you need to. If you are unsure whether a particular cost is deductible, or if you want to make sure your rental accounts are structured correctly before you file your Self-Assessment return, the team at UK Landlord Tax can help.
We work with landlords across the UK, from those letting a single property to those managing larger portfolios, and we understand the practical realities of property investment as well as the tax rules that govern it.
Get in touch with our team to discuss your position.
Simon Thandi
Thandi Nicholls Ltd
Creative Industries Centre
Glaisher Drive
Wolverhampton
West Midlands
WV10 9TG
UKLandlordTax.co.uk is the trading name of Thandi Nicholls Ltd Accountants Registered Office: Creative Industries Centre, Glaisher Drive, Wolverhampton WV10 9TG.
Registered in England. Company Number 7319439. Director S S Thandi BA
