Top 5 Tax Deductions for Irish Landlords 2026

If you are a landlord in Ireland, understanding the key Tax Deductions for Irish Landlords can save you a significant amount of money each year. I remember when I first let my granny flat in Dublin 8. I nearly had a heart attack when I saw my first tax bill. Anyway, after chatting with my accountant over a cup of tea, I realised I had missed a few perfectly legitimate deductions. Fair enough, I should have known better. To be honest, it is easy to overlook them when you are busy managing tenants and fixing leaks. Right so, let us break down the top five deductions that every Irish landlord should know about in 2026.

1. Mortgage Interest Relief

The biggest deduction for most landlords is the interest portion of your mortgage. If you have a buy to let property, you can claim the interest on your loan as an expense. This is one of those Tax Deductions for Irish Landlords that can really add up. According to the Revenue, you must be able to show that the loan was taken out specifically for the rental property. A word of caution: you cannot claim any capital repayments, only the interest. I used to mix them up myself until my accountant gave me a gentle nudge.

• Interest on the mortgage for the rental property.
• Arrangement fees and valuation fees linked to the loan.
• Interest on loans used to fund repairs or improvements (as long as the property is rented out).

2. Repairs and Maintenance

Keeping your property in good nick is a must, and luckily most repair costs are fully deductible. This includes everything from fixing a dripping tap to repainting a room between tenancies. Look, the key distinction here is between a repair and an improvement. Improvements that add value to the property (like adding an extension) are not immediately deductible but may qualify for capital allowances. To be honest, the line can be blurry, so keep good records.

What qualifies as a repair?

• Plumbing or electrical fixes.
• Replacing broken windows or locks.
• Painting and decorating when the property is being relet.

What does not qualify?

• New kitchen or bathroom installations that upgrade the property significantly.
• Adding a conservatory or extra room.

Practical Tip: Always keep digital copies of your receipts. The Revenue can ask for them years later. Trust me, a scanned PDF is worth its weight in gold. Save everything to a cloud folder labelled by tax year.

3. Property Management Fees and Letting Agent Costs

If you use a letting agent to find tenants or manage the day to day running of the property, those fees are deductible. According to the RTB, landlords are legally required to register tenancies, and the registration fee is also a deductible expense. The same goes for any legal fees directly tied to letting the property, such as drawing up a lease or evicting a non paying tenant. Just do not try to claim legal fees for buying the property itself; those are capital costs.

4. Insurance Premiums

Every landlord needs insurance, and the premiums are fully deductible. This covers landlord buildings insurance, contents insurance if you provide furniture, and even public liability insurance. Fair enough, you might think this is obvious, but a surprising number of landlords forget to include it when they are tallying up their Tax Deductions for Irish Landlords. The CSO reported that home insurance costs have risen slightly over the past year, so claiming this deduction becomes even more important in 2026.

5. Professional Fees and Utilities

This category covers a few different items. Accountant fees, tax advisory costs, and any professional fees related to the property are deductible. Also, if you pay for utilities like electricity, gas, or broadband when the property is vacant between tenancies, you can claim those costs too. That is grand because those bills can stack up. I remember leaving the heating on low during a cold snap while the property was empty. I was annoyed at the bill until my accountant told me it was a valid expense.

• Accountant and bookkeeping fees.
• Letting agent fees (already mentioned, but worth repeating).
• Utilities paid while the property is unoccupied.
• Waste disposal and cleaning costs between tenancies.

And there you have it. Those five categories cover the vast majority of what you can claim. If you are serious about maximising your returns, it is worth sitting down with a professional tax advisor. You can also use Findivo to browse properties for rent in your area if you are looking to expand your portfolio, or register as a landlord to make the most of our tools. Remember, staying on top of your Tax Deductions for Irish Landlords is not just about saving money; it is about running a smart, sustainable business. Good luck, and may your rental income always outpace your expenses.