Irish Landlord Tax Changes for 2027: Confirmed Budget Measures

Reviewed by: MyTaxRebate Tax Team on October 2026 | Authority: TCA 1997 s.28(3), s.97, s.97A & Part 4 Chap 2; Revenue eBriefs | Part 04-08-01

Key Landlord Tax Measures in Budget 2027

Budget 2027 introduces confirmed changes directly impacting Irish residential landlords and property owners. Capital Gains Tax (CGT) is reduced from 33% to 31% for disposals made on or after 7 October 2026 (excluding development land). In addition, the annual Rent a Room tax-free threshold is increased from €14,000 to €16,000 from 1 January 2027 and extended to designated auxiliary dwellings.

Full 100% mortgage interest deductions and €10,000 pre-letting expenses relief remain in effect for RTB-registered residential tenancies under Schedule D Case V rules. Additionally, tenants residing in rental properties benefit from an increased Rent Tax Credit of €1,150 (€2,300 for couples) for 2027 and 2028, alongside backdated refunds for 2022 to 2025.

What This Page Covers

✓Confirmed changes to Irish residential landlord tax provisions in Budget 2027
✓Reduction of Capital Gains Tax (CGT) from 33% to 31% from 7 October 2026
✓Rent a Room relief ceiling increase from €14,000 to €16,000 annually
✓Schedule D Case V rules for calculating assessable net rental income and allowable deductions
✓Full 100% mortgage interest deduction requirements under RTB registration rules
✓Pre-letting expenses relief up to €10,000 for bringing vacant properties into the rental sector
✓Preliminary tax rules, October/November filing deadlines, and Form 11 compliance
✓How MyTaxRebate manages annual landlord tax returns and four-year refund reviews

Key Facts at a Glance

✓Capital Gains Tax: Reduced from 33% to 31% for asset disposals taking place on or after 7 October 2026.
✓Rent a Room Scheme: Tax-free income ceiling increased from €14,000 to €16,000 from 1 January 2027.
✓Schedule D Case V: Rental income is taxed on net profit after deducting allowable revenue expenses.
✓100% Mortgage Interest: Fully deductible on residential rental properties registered with the RTB.
✓Pre-Letting Relief: Deductions up to €10,000 per property for vacant residential units let for at least six months.
✓Preliminary Tax Deadline: Landlords must pay preliminary tax and file Form 11 returns annually by statutory autumn deadlines.

Irish Landlord Tax Framework and Schedule D Case V Rules

In Ireland, rental income received from residential and commercial property is assessed under Schedule D Case V of the Taxes Consolidation Act 1997. Unlike corporate trading income, rental profit is treated as unearned passive income. Landlords are required to calculate their gross rents received across the calendar tax year and subtract allowable operational expenditure incurred to arrive at net assessable rental profit.

Net rental profit is added to your other taxable income, including employment earnings or pensions. For higher-rate taxpayers earning over the standard rate cut-off point, rental profits are subject to 40% income tax, Universal Social Charge (USC) rates up to statutory levels, and Class S PRSI at 4%. This frequently results in an effective marginal tax rate of over 50% on net rental receipts.

In Budget 2027, the Government has focused on supporting small private landlords to prevent further exits from the residential sector. Measures include maintaining temporary rental tax concessions and confirming the continuation of the full 100% mortgage interest deduction for landlords who register their tenancies with the Residential Tenancies Board (RTB).

To ensure compliance, landlords must maintain detailed contemporaneous records of all rental receipts, lease agreements, tenancy registrations, and expense vouchers for a statutory retention period of six years. Revenue regularly conducts audit cross-checks between RTB registrations and declared Case V returns.

Net Profit Taxation: Assessable profit equals gross rents minus allowable revenue expenses.
Marginal Tax Rates: Rental profits taxed at marginal income tax, USC, and PRSI rates.
Record Retention: Revenue requires six years of supporting receipts and documentation.

Allowable Deductions and Mortgage Interest Relief Conditions

Maximising allowable deductions is the most effective legal method to reduce assessable Case V rental profit. Section 97 of the Taxes Consolidation Act 1997 outlines the specific expenses that landlords can deduct from gross rental income, provided they are incurred wholly and exclusively for the purposes of the rental business.

The single largest deduction for most mortgaged landlords is loan interest. 100% of mortgage interest paid on loans used to purchase, repair, or improve residential rental properties is tax-deductible, provided the tenancy is registered with the RTB. Capital repayments on mortgages are strictly non-deductible. If a landlord fails to register the tenancy with the RTB, the entire mortgage interest deduction is disallowed under Section 97(2J) TCA 1997.

Other allowable revenue expenses include letting agency fees, advertising costs, property insurance premiums, RTB registration charges, accountancy fees for preparing rental accounts, routine maintenance, cleaning, gardening, and repairs. Furthermore, landlords can claim capital allowances (wear and tear) at 12.5% annually over eight years on the cost of furniture and domestic appliances provided to tenants.

Conversely, non-allowable expenses include Local Property Tax (LPT), post-letting personal expenses, capital improvements that alter or expand the structure of the property, and expenses incurred prior to the first commercial letting outside specific pre-letting provisions.

Allowable Interest: 100% mortgage interest deductible only on RTB-compliant tenancies.
Wear and Tear Relief: 12.5% annual write-off on furniture and appliances over 8 years.
Non-Allowable Costs: Local Property Tax and structural capital additions cannot be deducted.

Maximise Your Allowable Landlord Deductions with Experts

Are you declaring rental income in Ireland? Failing to claim all qualifying mortgage interest, repairs, and capital allowances can cost thousands in excessive tax. Our team handles your complete Form 11 return.

Review My Landlord Taxes →

Pre-Letting Expenses and Vacancy Incentives Under Section 97A

To increase the supply of long-term rental housing, Section 97A of the Taxes Consolidation Act 1997 provides enhanced tax deductions for pre-letting expenditure incurred on previously vacant residential properties. Landlords can claim up to €10,000 in qualifying pre-letting expenses against future Case V profits from the property.

To qualify, the property must have been vacant for at least six consecutive months immediately prior to the start of the new tenancy. The expenditure must be of a revenue nature - such as redecorating, interior painting, servicing heating systems, or minor repairs - that would have been allowable if the premises had been let when the costs were incurred.

Budget 2027 confirms the continuation of these vacancy incentives. However, landlords must observe statutory clawback conditions: if the landlord withdraws the property from the long-term residential rental market within four years of the initial letting, the entire pre-letting deduction is clawed back and charged as additional taxable income in the year of cessation.

By structuring pre-letting expenditures carefully and retaining all invoices, property owners bringing vacant properties into productive use can substantially offset their rental income tax liabilities across the first few years of tenancy.

Section 97A Cap: Up to €10,000 in qualifying pre-letting deductions per property.
Vacancy Requirement: Minimum 6-month continuous vacancy prior to commercial letting.
Clawback Rules: Four-year continuous residential letting requirement to retain relief.

Preliminary Tax Compliance and Full Filing Services with MyTaxRebate

Rental income triggers specific statutory obligations regarding self-assessment and preliminary tax. Individuals with net non-PAYE income exceeding €5,000 annually are classified as chargeable persons and must register for self-assessment, pay preliminary tax, and submit an annual Form 11 tax return.

Missing statutory deadlines can result in severe Revenue surcharges (5% within two months, 10% thereafter) and statutory interest charges of approximately 0.0219% per day. Many landlords who also work as PAYE employees find navigating preliminary tax calculations and joint assessments overwhelming.

MyTaxRebate offers complete tax management services for Irish landlords. Our team compiles your gross rental receipts, calculates every allowable deduction and wear and tear allowance, prepares your detailed rental accounts, and submits your Form 11 returns directly to Revenue. We ensure you remain fully compliant while legally minimising your tax liability.

Additionally, if you also have PAYE earnings, our team conducts a full four-year review across 2022, 2023, 2024, and 2025 to identify unclaimed personal credits, medical expenses, or overdeducted emergency tax that can directly offset your liabilities.

Chargeable Person Threshold: Net non-PAYE income over €5,000 requires Form 11 filing.
Preliminary Tax Compliance: Protect against statutory surcharges and late payment interest.
Full Representation: We handle all calculations, forms, and Revenue correspondence.

Ensure Full Compliance on Your Rental Income

Let our experienced tax professionals prepare your rental accounts and tax returns. Ensure every allowable deduction is claimed while remaining 100% Revenue compliant.

Get Professional Tax Support →

Tax Scenarios

Accidental Landlord in Dublin with First-Time Case V Filing

Aoife let her apartment in Rathmines in 2024 after moving in with her partner, earning €21,600 in gross annual rent. Unfamiliar with Case V tax rules, she did not register the tenancy with the RTB immediately, putting her €7,200 annual mortgage interest deduction at risk. MyTaxRebate regularised her RTB status, claimed €7,200 in mortgage interest, €950 in letting fees, and €800 in appliance capital allowances, reducing her tax liability by €4,650.

Property Owner Renovating a Vacant Terraced House in Limerick

Brendan inherited a vacant house in Limerick in late 2023 that had been empty for over eight months. Prior to letting the property in July 2024, he spent €9,400 on electrical repairs, interior painting, and minor plumbing. MyTaxRebate structured his claim under Section 97A pre-letting relief, deducting the full €9,400 against his rental income and saving him over €3,700 in tax across his first two tax years.

Landlord with Multi-Year Unclaimed Capital Allowances

Patrick owned two rental properties in Galway and filed basic Form 11 returns from 2022 to 2024 but never claimed wear and tear capital allowances on €14,000 worth of furniture and domestic appliances. MyTaxRebate audited his prior returns and submitted amended Schedule D Case V statements across all open years, securing a combined tax saving and refund of €2,800.

Common Mistakes To Avoid

✗Failing to register tenancies with the Residential Tenancies Board (RTB), which completely disallows all mortgage interest deductions under Section 97 TCA 1997.
✗Attempting to deduct Local Property Tax (LPT) against gross rental income; LPT is strictly non-deductible under Irish tax legislation.
✗Deducting capital expenditure such as property extensions or initial reconstruction rather than writing off qualifying assets via wear and tear allowances.
✗Missing the statutory autumn deadline for preliminary tax and Form 11 submissions, triggering mandatory 5% or 10% Revenue late filing surcharges.
✗Neglecting to review past tax years (2022 - 2025) for unclaimed landlord expenses or PAYE credits before the four-year statutory deadline expires.

When Landlord Deductions and Vacancy Reliefs Do Not Apply

Unregistered Residential Tenancies with the RTB: Revenue rules strictly deny mortgage interest deductions on residential rental properties if the landlord has not registered the tenancy with the Residential Tenancies Board within statutory registration timelines.

Capital Improvements and Structural Additions: Costs incurred in adding extensions, attic conversions, or structural renovations are capital in nature and cannot be deducted against Case V rental profits; they can only be factored into Capital Gains Tax calculations upon property disposal.

Pre-Letting Expenses on Properties Vacant for Less than Six Months: Section 97A pre-letting expenses relief strictly requires that the residential property was unoccupied and vacant for at least six continuous months immediately prior to the commencement of the qualifying tenancy.

Key Takeaways

Capital Gains Tax standard rate is reduced from 33% to 31% from 7 October 2026.
Rent a Room relief ceiling increases from €14,000 to €16,000 from 1 January 2027.
Landlords are taxed on net Case V rental profits after deducting allowable revenue expenses.
100% mortgage interest is fully deductible on residential properties registered with the RTB.
Section 97A pre-letting relief offers up to €10,000 in deductions for previously vacant properties.
Unclaimed landlord allowances and tenant rent credits can be reconciled across the 2022 - 2025 tax years.
The statutory deadline to claim overpayments from 2022 permanently closes on 31 December 2026.

Manage Your Landlord Taxes Safely and Accurately

Join hundreds of Irish landlords who trust MyTaxRebate with their annual tax compliance and Form 11 returns. Contact our specialist tax team today.

Start Your Tax Review →

Frequently Asked Questions

Is 100% of mortgage interest deductible for residential landlords in Budget 2027?

Yes, under current Irish tax rules confirmed in Budget 2027, residential landlords can deduct 100% of the interest paid on loans used to purchase, improve, or repair residential rental properties against their Case V rental profit, provided the tenancy is formally registered with the Residential Tenancies Board (RTB). Capital loan repayments remain non-deductible.

What is the tax rate on rental income in Ireland?

Rental profits in Ireland are taxed at your marginal rate of income tax (20% standard rate or 40% higher rate), plus Universal Social Charge (USC) up to standard rates, and Class S PRSI at 4%. For a landlord whose employment earnings already exceed the standard rate cut-off point, the combined marginal tax rate on net rental profit is approximately 52%.

Can I deduct pre-letting expenses on a vacant property?

Yes, under Section 97A of the Taxes Consolidation Act 1997, landlords can deduct up to €10,000 in qualifying pre-letting expenses per residential property, provided the property was vacant for at least six consecutive months before the tenancy began. The expenses must be of a revenue nature and the property must remain let for at least four years to avoid a clawback.

Do I have to file a Form 11 tax return if I have rental income?

If your net rental profit exceeds €5,000 per year, or your gross rental turnover exceeds €50,000, you are classified as a "chargeable person" and must register for self-assessment and file an annual Form 11 tax return. If your net profit is under €5,000, Revenue may allow you to code the liability into your PAYE tax credits via Form 12.

How far back can a landlord or tenant claim backdated tax reliefs?

Under Section 865 of the Taxes Consolidation Act 1997, tax claims and expense adjustments can be backdated for up to four calendar years. During 2026, claims can be made for 2022, 2023, 2024, and 2025. Crucially, the window to claim for 2022 closes permanently on 31 December 2026, meaning all outstanding claims for 2022 must be submitted before that date.