Letterkenny, Ireland Short-Term Rental Regulations: A 2026 Guide For Airbnb Hosts

Do you own a place in Letterkenny, County Donegal and you're weighing whether to put it on Airbnb or Vrbo? Well, the good news is that hosting a room or two in the house you actually live in is still allowed here, and it stays fairly light-touch. The catch is that everything past that got a lot harder in 2026, so which answer applies to you depends entirely on whether you plan to share your own home or run a separate property as a whole-unit let.

That distinction matters more than it used to, because the ground shifted on 1 March 2026. From that date, letting any house or unit short-term became a "material change of use" under national planning law, with no geographic exception, which means a whole-property Airbnb in Letterkenny now needs planning permission before it can legally operate. Letterkenny is the largest town in Donegal, with a population of 22,549 in the 2022 Census, and that number puts it on the wrong side of a line the government is drawing at 20,000 people. On top of the planning question, a national register opens in December 2026 that every host will have to join.

So let's walk through what it actually takes to do this properly in Letterkenny: which lettings are allowed without a fight, when you need planning permission and what Donegal County Council does with those applications, the taxes that attach to your income, the national rules layered on top, and who to call when you get stuck. Every figure below comes from the council's own decisions, Irish planning law, or Revenue's own pages, checked in July 2026, and where something is still moving I've said so plainly. If you're comparing Letterkenny against a market where the whole unit can go on Airbnb without a planning battle, run both through BNBCalc first.

Starting a Short-Term Rental Business in Letterkenny

That split between sharing your home and running a separate unit is where any Letterkenny plan has to begin, because the two sit on opposite sides of the law. Home-sharing is the easy path. Under the exempted-development rules introduced in 2019, you can let up to four bedrooms in your principal private residence, the home you genuinely live in, without needing planning permission, and you can even let the whole place while you're away for up to 90 days a year. Keep in mind that both of those still ask you to file written notice with the council, which I'll come to in the documents section.

The whole-unit business is the hard path, and it got dramatically harder this year. Since 1 March 2026, section 3A of the Planning and Development Act 2000, as rewritten by the Residential Tenancies (Miscellaneous Provisions) Act 2026, has said plainly that using "a house, part of a house or unit for short term letting purposes is a material change in the use." Since a material change of use counts as development, and development needs permission unless it's exempted, a separate property let to guests staying 21 nights or fewer now needs planning permission from Donegal County Council before it earns a cent.

Letterkenny's own story turns discouraging here, and it's worth being honest about it, because the council isn't waving these through. Take its decision on a home at 1 The Spires in Cornagill, Letterkenny, where it refused an application to switch a residential unit to short-term rental use, on the grounds that the change would strip a home out of the permanent housing stock, run against a development plan that "resists the proliferation of holiday homes and non-permanent residential uses," and bring the kind of turnover, noise and disturbance that doesn't sit well beside neighbours. The fire officer also found the layout wouldn't meet the escape-route standard the use demanded. That's not an outlier either. An earlier bid to convert two houses at Ashlawn in Ballyraine into a short-let guesthouse was turned down for much the same residential-amenity reasons. So if your plan is a standalone unit at nightly rates, be aware you're starting from a very tough position.

Short-Term Rental Licensing Requirements in Letterkenny

Given how the council treats whole-unit applications, the natural next question is what licence or permission actually gets you over the line, and the honest answer is that there's no single Letterkenny "STR licence" to buy. What you need instead is a stack of permissions, and which ones apply depends on the path you picked above.

If you're home-sharing inside the exemption, you don't apply for planning permission at all. You notify. The catch worth flagging is a genuine legal wrinkle: the 2019 exemption was written to apply in a "rent pressure zone," and rent pressure zones were abolished nationwide on 1 March 2026, with no replacement regulation made since. Citizens Information still treats the 90-day cap and the notice forms as live, so the practical route is unchanged, but the underlying text is now out of step with the law it points at. Before you rely on it, do ring Donegal County Council and ask how they're operating the home-share exemption today, because it's exactly the sort of gap that gets patched quietly.

Assuming you're still set on a whole-unit let and want to try for permission anyway, you're then making a change-of-use planning application to the council. The national planning fee for a change of use is €3.60 per square metre, with an €80 minimum, and if you've already started letting and need to regularise it, retention permission runs at €10.80 per square metre with a €240 minimum. A refusal can be appealed to An Coimisiún Pleanála, though as the Letterkenny decisions above show, you'd be appealing from a weak hand. Remember that Letterkenny's population sits above the 20,000 mark, which matters because the government's draft National Planning Statement on short-term letting proposes a formal presumption against granting these permissions in towns over that size. It's still a draft as of July 2026, so treat it as the direction of travel rather than settled law, but the travel is all one way.

On top of planning, a second requirement lands in December that applies to every host regardless of path. Fáilte Ireland's national short-term letting register opens on 1 December 2026, and anyone offering paid stays of 21 nights or fewer must be registered by 31 December 2026. Once it's live, platforms may only list a property that carries a valid registration number, and that number has to appear on every advert. The fee hasn't been announced yet, so I won't guess at one, but Fáilte Ireland has said it'll be kept to a minimum and that renewal is annual.

Required Documents for Letterkenny Short-Term Rentals

Since the register and the planning route both turn on paperwork, it pays to know exactly what each one asks for before you start, because a missing declaration is the fastest way to stall.

For the home-share exemption, the documents are a set of standard notice forms lodged with the council. You file Form 15 at the start of the year to tell the planning authority you intend to short-let, Form 16 once a whole-home letting hits the 90-day ceiling, and Form 17 each January to report the previous year, and each of them carries a statutory declaration you sign in front of a commissioner for oaths or a solicitor. Make sure you keep copies, since the whole point of the notice regime is that the council can check your days against what you declared.

For a change-of-use planning application, you're assembling a full planning pack: the application form, the fee, site location and layout drawings, newspaper and site notices, and, on the evidence of the refusals above, you'll want a fire-safety assessment that actually demonstrates compliant means of escape. The Letterkenny cases make it clear the council reads these files closely, so a thin application isn't a saving.

When the national register goes live in December, it adds one more document to the pile, and this one is a promise rather than a form. Registration requires a legal declaration that the property complies with planning, building and fire-safety law, so you can't register your way around a permission you never got. Keep in mind that the declaration is the hook the whole system hangs on: an untrue one is what turns a paperwork slip into an enforcement matter.

Letterkenny Short-Term Rental Taxes

Assuming you clear the planning and registration hurdles and are able to start hosting, there's still tax to deal with, and the shape of it surprises a lot of Irish hosts. The reassuring part is that there's no local bed tax, tourist levy or occupancy charge in Letterkenny or anywhere else in Ireland, so the council takes nothing per night. What you do owe runs through Revenue, and it lands differently from ordinary rent.

The first thing to get right is that short-term letting income isn't rental income in Revenue's eyes. Because your guests hold a licence to occupy rather than a tenancy, Revenue taxes the money as trading or occasional income under Case I or Case IV, not as Case V rental income, and you self-assess it on a Form 11 or Form 12. That reclassification carries a sting worth watching: the popular rent-a-room relief, which exempts up to €14,000 a year, does not apply to short tourist lettings, and Revenue has put that beyond doubt in its own guidance. Don't assume the spare-room relief you may have heard about covers an Airbnb, because it specifically doesn't.

Then there's VAT, which catches far fewer small hosts than people fear. Guest and holiday accommodation is VATable at the reduced 13.5% rate, but you only have to register once your turnover crosses the €42,500 services threshold, so a single Letterkenny property letting a handful of nights a week generally sits well under it and charges no VAT at all. One point that trips people up: Airbnb applies 23% Irish VAT to its own service fee, not to your accommodation, so seeing VAT on your Airbnb invoice doesn't mean the guest paid VAT on the room. Here's how the layers stack up.

Charge	Rate	Who handles it
Income tax on letting income	Your marginal rate, as Case I/IV trade or occasional income	You, self-assessed on Form 11/12
VAT on the accommodation	13.5%, only above €42,500 turnover	You, if registered; most single hosts are below the threshold
VAT on the platform's service fee	23%	Airbnb, on its own fee, not on your room
Local bed or tourist tax	None	Not levied in Ireland

The practical takeaway is that most Letterkenny hosts pay income tax on their profit and nothing else, but do check the €42,500 line each year if you're scaling up, and keep clean records either way.

Ireland-Wide Short-Term Rental Rules

Those tax rules are national, and so is almost everything else that governs your letting. That's the thing to understand about hosting anywhere in Ireland: there's no Donegal STR code and no regional layer, only national law that the 31 local authorities apply. In practice, then, Letterkenny's rules are Ireland's rules, filtered through how Donegal County Council chooses to enforce them.

The biggest of those national changes is the one already driving everything above, because the Residential Tenancies (Miscellaneous Provisions) Act 2026 didn't only rewrite the material-change-of-use rule on 1 March 2026, it also abolished rent pressure zones entirely, replacing the old zone-based rent controls with national ones. That's why any guide still describing an Irish town as "inside an RPZ" is out of date, and it's why the planning trigger that once applied only in high-pressure urban areas now reaches every corner of the country, Letterkenny included.

The second national piece is the register, and it's worth restating because it's the deadline hosts most often miss. From 1 December 2026 the Fáilte Ireland register becomes mandatory for stays of 21 nights or fewer, platforms can only list registered properties, and enforcement carries real teeth: hosts face Fixed Payment Notices or District Court proceedings, and platforms that list unregistered units face administrative penalties running up to 2% of turnover. This is Ireland folding in the EU's short-term rental data rules, which took effect on 20 May 2026 and require registration numbers to flow through to the platforms. If you host anywhere in Ireland, mark that December date, because the register doesn't care which town you're in.

Does Letterkenny Strictly Enforce STR Rules?

Given how new most of these rules are, the fair question is whether Donegal County Council actually acts on them or just has them on the books, and the Letterkenny evidence points firmly at the former. This isn't a town where whole-unit short-lets slip through unnoticed.

The clearest signal is the refusals themselves. The council didn't merely decline the 1 The Spires application; it reasoned the decision around housing supply, leaning on a development plan that expressly "resists the proliferation of holiday homes and non-permanent residential uses," and it brought in the fire officer to test the escape routes. That's a planning authority treating a single-unit conversion as a genuine policy question, not a formality. The Ashlawn guesthouse refusal tells the same story from the commercial end. Both decisions sit under the County Donegal Development Plan 2024-2030, adopted in May 2024 and varied again in July 2026, which the council applies as the yardstick for what belongs in a residential area.

Enforcement of unauthorised use runs through the same office. If a property is being short-let without the permission it needs, the council's planning enforcement section takes complaints through its "Report It" route for unauthorised development, and a neighbour bothered by turnover next door has a straightforward way to trigger that. Watch out for the compounding effect once the national register lands in December, too: platforms will be barred from listing an unregistered unit, and registering requires that compliance declaration, so an unpermitted whole-unit let in Letterkenny will find itself squeezed from both the planning side and the listing side at once. The realistic read is that this is a strictly enforced market for whole units, and a permissive one only for genuine home-sharing.

How to Start a Short-Term Rental Business in Letterkenny

So if you still want to host in Letterkenny after all that, the order you do things in matters, because the early steps decide whether the later ones are worth the effort at all. Working through them out of sequence tends to waste both money and months.

1. Decide honestly which path you're on. Are you sharing the home you live in, or letting a separate unit whole? The first is workable; the second faces a planning wall. Be realistic before you spend anything.
2. If you're home-sharing, confirm the exemption with the council. Ring Donegal County Council and ask how they operate the home-share and 90-day rules today, given the rent-pressure-zone wording is now out of date. Get the current position before you list.
3. If you're letting a whole unit, test the planning question first. A pre-application chat with the planning office will tell you quickly whether a change-of-use application has any chance, and the recent Letterkenny refusals suggest you should go in with clear eyes.
4. Sort fire safety early. The escape-route standard sank at least one Letterkenny application, so get a fire-safety assessment before, not after, you apply.
5. Lodge the right paperwork. For home-sharing, file Forms 15, 16 and 17 with their statutory declarations on the right dates. For a whole unit, submit the full change-of-use application with the €3.60 per square metre fee.
6. Register with Fáilte Ireland from 1 December 2026. Every host needs the national registration number by 31 December 2026, and it must appear on every listing. Don't forget this one, because the platforms will enforce it for the state.
7. Set up your tax before the first guest. Register the income with Revenue as a trade or occasional income, and keep an eye on the €42,500 VAT threshold if you're growing.

Who to Contact in Letterkenny about Short-Term Rental Regulations and Zoning?

Since most of those steps route back to one office, knowing exactly who owns which question will save you a good deal of time on hold. Three bodies handle nearly everything between them.

Donegal County Council, Planning Department is your first call for anything about permission, the home-share exemption, change of use, or an enforcement complaint. It's the authority that decided the Letterkenny cases, so it's the one whose view actually binds you.

• Address: County House, The Diamond, Lifford, Co. Donegal, F93 Y622
• Phone: 074 91 53900
• Email: [email protected]
• Hours: 9:00am to 12:30pm and 1:00pm to 4:30pm, Monday to Friday
• Planning online: the council's planning services pages carry the application portal, the development plan, and the enforcement reporting route

Fáilte Ireland runs the national short-term letting register that opens in December 2026, so registration questions, the number itself, and the annual renewal all go there rather than to the council. Its short-term letting register pages hold the current guidance and the FAQ.

Revenue, finally, handles the tax side: how to declare your letting income, the VAT threshold, and whether any relief applies. Its guidance on the taxation of short-term lettings is the authoritative source, and it's clear that rent-a-room relief isn't one of the reliefs you get.

What Do Airbnb Hosts on Reddit and Bigger Pockets Think about Local Regulations?

Those official channels tell you the rules, but they don't capture how hosts actually feel about operating here, so it's worth reading the public discussion with the same caution I'd apply to any forum. What follows is my read of the recurring themes rather than a survey, so do weigh it accordingly.

• Irish hosts increasingly separate the two models in their own advice. The consistent message in host discussion is that spare-room and owner-occupied home-sharing is still a reasonable side income, while the whole-unit, buy-to-let-and-Airbnb model that worked a few years ago is treated as effectively over outside the exemptions. That matches what Donegal's decisions show on the ground.
• The register is the dominant 2026 topic. Much of the current chatter is hosts trying to pin down the December registration date, the unannounced fee, and how strictly platforms will police the number. Nobody I've read expects it to go away, and the general expectation is that listing without a number simply won't be possible once it's live.
• Investors are quietly redirecting. On BiggerPockets and similar investor forums, the recurring advice for anyone eyeing an Irish whole-unit STR is to model the mid-term or long-term let instead, because the planning risk on nightly lets has become hard to price. In a housing-pressure town like Letterkenny, that caution reads as sensible rather than alarmist.

Take the through-line seriously. The people hosting successfully in this part of Donegal are overwhelmingly the ones sharing a home they live in, not the ones running a separate property as a nightly-rate business.

If you want to see how the numbers behave across the country before you commit, the Ireland short-term rental market data is the place to compare what different towns actually earn. It's also worth reading alongside the wider County Donegal guide and, if a coastal tourist market interests you more, the Bundoran guide, since the same national rules land differently in a seaside resort than they do in a county service town.

Frequently Asked Questions

Can you legally run an Airbnb in Letterkenny in 2026?

It depends on the type of let. Sharing rooms in the home you live in is allowed under the national home-share exemption, and letting your whole home while you're away is permitted up to 90 days a year, both with notice to Donegal County Council. Letting a separate property whole is a material change of use that needs planning permission, and the council has been refusing those applications in Letterkenny. Every host must also register with Fáilte Ireland from December 2026.

Do I need planning permission to Airbnb my house in Letterkenny?

For a separate, whole property let short-term, yes. Since 1 March 2026, short-term letting of any house or unit is a material change of use across Ireland, so it needs planning permission from Donegal County Council. If instead you're sharing the home that's your principal residence, or letting it whole for up to 90 days a year while away, that falls under the exempted-development rules and doesn't need permission, though you file notice forms with the council.

How much tax do I pay on a short-term rental in Letterkenny?

Your letting profit is taxed by Revenue as trading or occasional income under Case I or Case IV, at your marginal rate, and you self-assess it on a Form 11 or 12. Rent-a-room relief does not apply to short tourist lettings. VAT of 13.5% only kicks in above €42,500 of turnover, which most single-property hosts stay under. There's no local bed tax or tourist levy anywhere in Ireland.

What is the Fáilte Ireland short-term letting register?

It's a national register, opening 1 December 2026, that every short-term host offering stays of 21 nights or fewer must join by 31 December 2026. Once live, booking platforms may only list a property that carries a valid registration number, which must also appear on every advert. Registration requires a declaration that the property complies with planning, building and fire-safety law. The fee hasn't been announced but is expected to be small, with annual renewal.

Is Letterkenny strict about short-term rental enforcement?

For whole-unit lets, yes. Donegal County Council has refused recent Letterkenny applications to convert homes to short-term rental use, citing loss of permanent housing, residential-amenity impact, and fire-safety failures, and it takes complaints about unauthorised use through its planning enforcement section. From December 2026 the national register adds a second check, since platforms can't list an unregistered property. Genuine home-sharing inside the exemption is treated much more permissively.

Last verified: July 2026. Every ordinance, tax rate, state law, and contact detail in this guide links to or comes from its official source.