Aberdeen landlords operate under two layers of rules at once. UK-wide income tax, Section 24 and capital gains tax apply just as they do across Britain, but property purchases and several local obligations fall under devolved Scottish rules administered by Revenue Scotland and Aberdeen City Council. Getting both layers right is where a specialist property accountant in Aberdeen earns their place, especially across the city's mix of city-centre flats, west-end professional lets and student HMOs near the University of Aberdeen and Robert Gordon University.

The tax landscape is also moving. Making Tax Digital for Income Tax is now being phased in, the Furnished Holiday Lettings regime has been abolished, and Finance Act 2026 has introduced separate property income tax rates from April 2027, with the rates for Scottish taxpayers set separately by the Scottish Parliament. This guide sets out the rules that actually apply to an Aberdeen landlord today and where specialist advice changes the outcome.

The Scottish rules Aberdeen landlords cannot ignore

The single most common mistake we see on generic landlord content is treating Aberdeen as if it sits under the English Stamp Duty system. It does not. When you buy a rental property in Aberdeen you pay Land and Buildings Transaction Tax (LBTT), not SDLT, with the standard residential bands biting above £145,000.

On top of standard LBTT, the Additional Dwelling Supplement (ADS) applies whenever you already own another dwelling anywhere in the world. The points that catch buyers out:

  • ADS is 8% of the entire purchase price (in force from 5 December 2024), not a marginal-band surcharge. A £180,000 Aberdeen BTL flat attracts £14,400 of ADS on top of standard LBTT.
  • There is a £40,000 de-minimis. Below it, ADS does not apply; at or above it, ADS applies to the full price.
  • Joint buyers aggregate. If any joint buyer already owns a qualifying dwelling, ADS applies to the whole transaction.
  • Companies pay ADS at 8% from the first purchase, but Scotland does not operate England's 15% flat rate on higher-value corporate purchases.

For full mechanics, including the 36-month replacement-of-main-residence repayment window, see our guide to Scottish LBTT rates and bands. Getting ADS right at the acquisition stage is one of the highest-value moments for advice, because the surcharge is calculated on the whole price and the repayment claim has strict deadlines.

Section 24 and what it means for Aberdeen mortgaged landlords

The Section 24 mortgage interest restriction is fully in force. Individual landlords can no longer deduct finance costs from rental profit; instead, mortgage interest is relieved as a basic-rate (20%) tax reducer. For higher and additional-rate Aberdeen landlords, particularly those who geared up to buy west-end professional lets during stronger market years, this can materially raise the effective tax on rental profit and even tip taxable income into a higher band.

Practical planning a specialist will review includes the timing of refinancing, how finance costs interact with your other income, and whether a limited company structure would change the picture. Section 24 is also why the enacted 2027 changes matter: from 6 April 2027 the separate property income rates sit alongside the unchanged finance-cost restriction.

Making Tax Digital for Aberdeen landlords

Making Tax Digital for Income Tax is now being phased in by qualifying income:

  • 6 April 2026 for gross qualifying income above £50,000
  • 6 April 2027 for income above £30,000
  • 6 April 2028 for income above £20,000

Qualifying income is measured gross, before expenses, and combines self-employment and property turnover. Affected Aberdeen landlords need MTD-compatible software, must keep digital records, and submit quarterly updates plus a final declaration after the tax year end. For landlords running student HMOs with high gross rents but tighter net margins, the gross test means MTD can apply earlier than the net profit might suggest, which is worth confirming well ahead of the relevant start date.

Capital gains tax on Aberdeen property disposals

Capital gains tax on residential property is charged at 18% within the basic-rate band and 24% above it (the unified rates under the Finance (No. 2) Act 2024), with the annual exempt amount at £3,000. A UK-resident landlord must report the gain and pay the tax due within 60 days of completion through HMRC's UK Property Disposal service. Missing the 60-day deadline triggers penalties, so disposal planning should start before you accept an offer.

Where you previously lived in a rental property, private residence relief can reduce the chargeable gain for the period it was your main home. Aberdeen's market history, with sharper cycles tied to the energy sector, also makes the choice of disposal year more consequential than in a steadier market, both for the gain itself and for which CGT rate band it falls into.

Aberdeen property types and their tax quirks

Student accommodation and HMOs

With two universities and a large student population, HMOs are a core part of the Aberdeen rental market. Tax points to manage carefully include:

  • HMO licensing is a deductible revenue cost, alongside the Scottish Landlord Register fee with Aberdeen City Council
  • Summer void periods need careful expense allocation and council tax planning
  • All-inclusive rents bundle utilities into rent, so the income and the cost both need recording correctly for accurate profit
  • Repairing Standard and EPC compliance works can be capital or revenue depending on the nature of the work, which affects timing of relief

Professional and corporate lets

Higher-value west-end and city-centre properties often serve energy-sector professionals on company-supported tenancies. These can involve premium rents in stronger years, longer voids when the sector contracts, and higher maintenance standards. The end of the FHL regime is particularly relevant here.

The end of Furnished Holiday Lettings

The Furnished Holiday Lettings regime was abolished from 6 April 2025. Aberdeen owners who previously ran short-stay or serviced lets under FHL rules are now taxed under the ordinary property income rules. In practice that means the loss of full finance-cost deductibility, no further FHL-style capital allowances on new expenditure, and changes to how gains and pension-relevant earnings are treated. If any of your Aberdeen properties were structured as FHLs, the transition needs reviewing rather than assuming the old treatment still applies.

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Incorporation considerations for Aberdeen landlords

Many Aberdeen landlords weigh up a buy-to-let limited company to deduct finance costs in full and access corporation tax rates. It is not automatically the right answer, and the Scottish dimension changes the maths.

Points in favour:

  • Finance costs are deductible against company rental profits, sidestepping the Section 24 restriction
  • Corporation tax applies (19% small profits rate up to £50,000, 25% main rate above £250,000, with marginal relief between)
  • More flexibility over profit extraction timing

Points against:

  • A company buying Scottish residential property pays ADS at 8% of the whole price from the first purchase
  • Moving existing properties into a company is itself a disposal for CGT and a fresh LBTT/ADS event
  • Additional compliance and ongoing administration
  • Extracting profit can trigger further personal tax

For a single property the case is often weak; for a growing portfolio it can be stronger. The decision should be modelled on your actual numbers and Scottish acquisition costs.

Beyond tax: Aberdeen letting compliance

Letting in Aberdeen carries non-tax obligations that still affect your tax position because the costs are usually allowable. You must register with Aberdeen City Council under the Scottish Landlord Register, hold an HMO licence where required, meet the Repairing Standard, and satisfy minimum EPC requirements. Tracking these costs accurately, and classifying compliance works correctly between capital and revenue, is part of keeping your return both accurate and efficient.

Future-proofing your Aberdeen portfolio

The direction of travel is clear. From 6 April 2027, separate property income tax rates of 22% basic, 42% higher and 47% additional, enacted in Finance Act 2026, apply to taxable rental profit. Combined with the fully embedded Section 24 restriction and the rollout of MTD, the compliance and planning load on Aberdeen landlords is rising.

Key areas to review with a specialist include portfolio structure ahead of the 2027 rates, MTD-compatible record keeping, the LBTT and ADS cost of any further acquisitions, and disposal timing around the 60-day CGT window. A property accountant who understands both the UK framework and the Scottish overlay can keep your Aberdeen portfolio compliant and tax-efficient as the rules continue to change.

How a specialist property accountant helps Aberdeen landlords

A general practice that handles property as a sideline often misses the Scottish specifics and the latest UK changes. A specialist property accountant focuses on rental property tax day to day, so they apply LBTT and ADS correctly, model Section 24 against your actual income, prepare you for MTD on the right timeline, and plan disposals around the 60-day reporting deadline. If you also hold property elsewhere in Scotland, our guides for Edinburgh and Dundee landlords cover the same framework. Whether you own a single flat or a substantial Aberdeen portfolio, specialist support reduces compliance risk and keeps your tax position under control as the rules evolve.