Running an Airbnb in Bulgaria: The Short-Term Let Guide for British Hosts

The EU framework from 20 May 2026

The new framework is less a single rule than a set of obligations that lock together. Understanding the shape of it first will save you a lot of reading later.

The European Commission explains that Regulation 2024/1028 has applied since 20 May 2026. It sets a common framework for registration and platform data-sharing where national authorities introduce registration systems or require platform data. Check Bulgaria's current arrangements with the Ministry of Tourism and your municipality; do not treat the EU date as proof that a new number was mandatory for every Bulgarian listing. Checked 2 October 2026.

This sits alongside, not in place of, Bulgaria's existing ESTI classification system (the Единна система за туристическа информация, the unified tourism information register). ESTI has been the backbone of Bulgarian accommodation regulation for years. If you already have a categorisation certificate for your apartment or guesthouse, you are roughly half the way there. If you have been operating quietly without one, the new EU layer is the moment that becomes untenable, because platforms will be obliged to check.

The practical consequences for a British expat running a flat in Sofia, a coastal apartment near Burgas, or a village house in the Strandzha are the same. You need:

• A valid registration number, tied to the specific property.
• That number visible on every platform listing.
• A clean data trail of guest nights, revenue and identity checks, available to the authorities on request.

The regulation also obliges platforms to deactivate listings that lack a valid number after a grace period. In other words, the enforcement mechanism is partly outsourced to Airbnb, Booking.com and Vrbo themselves. They have done this before in cities like Amsterdam and Paris, and they do it quickly when their own compliance is on the line.

Who This Applies To (And Who Thinks It Doesn't, But Does)

The most common misreading I hear from new hosts is that the rules only catch people running a business. That is not what the regulation says.

The regulation captures anyone offering short-term accommodation services for remuneration through an online platform. That language is deliberately broad. It pulls in:

• Full-time hosts with multiple properties.
• Part-time hosts renting a holiday flat a few weeks a year.
• Expats letting out their primary home while they travel.
• People sub-letting a spare room.

The one carve-out worth knowing: if you let purely by word of mouth, family network or a private website you run yourself, the platform-reporting parts of the regulation do not apply to you. Bulgarian domestic tax and ESTI rules still do, however, and those have not got any softer.

There is also a persistent myth among British expats that having a Bulgarian limited company (an OOD or EOOD) somehow exempts you, or alternatively that being a private individual exempts you. Neither is true. The regulation treats the activity as the trigger, not the legal form of the person doing it. Your tax treatment differs depending on structure, but your registration and reporting duty does not.

If you bought a flat in a coastal resort as a holiday home and let it for the summer to cover the management fees, you are in scope. The casual nature of the letting is irrelevant to the platform; what matters to them is that money changed hands through their system.

How ESTI Categorisation Fits In

ESTI is the older system and the one British hosts most often get wrong. Get this right and the EU registration becomes a paperwork formality.

ESTI categorisation is the Bulgarian state's way of saying that an accommodation unit has been inspected, meets minimum standards, and is on the official register. It applies to hotels, guesthouses, family hotels, holiday villas and self-catering apartments. The category (one to five stars, or the equivalent for guesthouses) determines part of what you can charge and how you must present the property.

For a typical expat-owned apartment let to tourists, you will be looking at either:

• Apartment for guests (an apartament za gosti) categorisation, suitable for self-contained flats with the owner not present.
• Room in a family hotel or guesthouse categorisation if you run something larger with breakfast or a host presence.

The application is made through the municipality where the property sits. Documents required typically include proof of ownership, a floor plan, fire safety paperwork, and confirmation that the building's bylaws permit short-term letting. That last one catches a lot of people: many newer apartment blocks have building rules forbidding short-term lets, and a complaining neighbour can derail your categorisation faster than any tax inspector.

Once categorised, you receive a certificate with a unique number. That number, paired with your forthcoming EU registration number, is what platforms and the tax office will want to see. Treat them as your two most important documents as a host.

The Money Side: Euros, Tax and Reporting

Bulgaria adopted the euro on 1 January 2026, which means everything to do with your hosting income is now denominated in euros. Several British hosts I know got caught flat-footed by this.

Your platform payouts, your invoices, your tax declarations and your ESTI fee schedule are all in euros now. If your guests pay in another currency, the platform converts at the point of payout. There are no more leva on your statements. For practical advice on the wider changeover, our guide to the euro transition walks through bank-account conversion, contracts in legacy leva and the bookkeeping pitfalls.

For tax, three things matter. First, hosting income is taxable income, full stop. The exact category depends on whether you operate as a private individual or through a Bulgarian company, but in both cases the income must be declared. Second, the new EU regulation gives the Bulgarian tax authority a direct data feed from the platforms, so the era of quietly under-declaring summer earnings is effectively over. Third, the VAT threshold and tourist tax (a small per-night municipal levy) are unaffected by the EU regulation but interact with it; your ESTI categorisation determines the tourist tax band.

Keep a simple monthly spreadsheet. Date in, date out, number of guests, nightly rate, platform fee, cleaning fee, tourist tax collected. When (not if) the authorities cross-reference your platform feed against your declaration, that spreadsheet is what saves you a stressful afternoon.

If you are still working out the basics of running a small business in Bulgaria, the guide to expat-friendly accountants and bookkeeping is the place to start.

What Platforms Will Ask You For (And When)

Check the registration fields and notices in your current platform account. Match them to the applicable Bulgarian procedure and keep copies of confirmations. A request in a dashboard does not replace local licensing or tax advice.

Each platform will route you through a short verification flow. Based on similar rollouts elsewhere in the EU, expect them to ask for:

• Your full legal name and Bulgarian personal identification number (EGN) or company identification (EIK).
• The exact property address, matched against an official register.
• Your ESTI categorisation number.
• Your new EU registration number once issued.
• Confirmation that the property is your own or that you have the owner's written permission to let.

The key behavioural change is that listings without a verified number will be hidden or removed from search. This is not the platforms being officious; it is them protecting themselves from regulatory fines that, under the new framework, can be substantial. Airbnb in particular has spent years dealing with city-level rules in places like Barcelona and Paris and has the muscle memory for fast delisting.

If you operate through a property management company, double-check who is the legal host of record. In some setups the company holds the listing and you are an off-platform beneficiary; in others you are the host and the company merely manages the inbox. The compliance burden sits with the host of record, and a surprising number of British owners have only a hazy idea which one applies to them. A ten-minute conversation with your manager now will save weeks of untangling later.

Common Pitfalls for British Expat Hosts

These are the avoidable mistakes I see repeatedly, drawn from conversations with British expats running flats from Sofia to Sozopol.

Assuming your Bulgarian lawyer will handle everything. Many will, but you must brief them. ESTI categorisation is a municipal matter and is not automatic with a property purchase. If you bought a flat and the previous owner had a categorisation, it does not transfer to you.

Letting before categorisation is in place. The temptation to take the first summer's bookings before the paperwork lands is enormous. Resist it. A complaint from a neighbour or a competitor (and competitors do complain in tourist towns) lands you a fine and a much harder application process.

Confusing the EU regulation with the Schengen and Brexit border rules. These are separate. The EU regulation governs your hosting business. Your own right to spend long periods in Bulgaria is a different conversation, covered in our residency and visa guide. If you are juggling Schengen 90-in-180 days plus running a flat, get both sides sorted at the same time.

Underestimating the building's bylaws. Newer blocks, particularly in Sofia, Plovdiv and the coastal cities, increasingly forbid short-term lets in their internal rules. A vote of the residents' association can change those rules with you in the room or without you. Attend the meetings, even when they are conducted in Bulgarian at unhelpful hours.

Ignoring the tourist tax. It is small, it is municipal, and it is the easiest thing for an inspector to nail you on because it is collected per guest per night. Quietly diligent record-keeping here removes 90 percent of your risk.

Using guest reviews as a substitute for compliance. Five-star reviews do not protect you from a regulatory inspection. They are wonderful for bookings and irrelevant to the inspectorate.

Registration and reporting: checks for current hosts

Working backwards from the application date, there is a sensible order in which to tackle the moving parts.

Property record. Check that the property details and applicable tourism registration are current, including capacity and any structural changes.

Tax record. Ask your accountant which declarations and business registrations apply to your circumstances.

Registration route. Confirm the current application route with the Ministry of Tourism and municipality before supplying a number to a platform.

Platform listing. Check that required registration information matches your official record. Ask the platform about any removal or restriction; do not assume its cause.

Ongoing records. Retain booking, payment and registration records and review notices from the responsible authorities.

Is It Still Worth Running an Airbnb in Bulgaria?

For most British expat hosts, yes. The new rules formalise what serious hosts were already doing and squeeze out the cowboys. That is a net positive for the people who plan to be in this for the long run.

Bulgaria remains one of the more attractive short-term-let markets in the EU. The cost base is lower than Western European equivalents, the tourist demand is recovering well from the pandemic-era dips, and the country's location on the Black Sea, in the Balkans and within Schengen makes it accessible to a wide range of guests. Brits, Germans, Romanians, Turks and Israelis all feature in a typical coastal property's guest book.

What the new regulation does is raise the bar for entry and reduce the discount that compliant hosts effectively suffer compared to non-compliant neighbours. If you have been running things properly all along, your relative position improves. If you have been winging it, review the applicable registration and tax requirements now.

The Bulgarian state has been slowly modernising its tourism oversight for years, and the EU regulation is the moment all of that becomes joined-up. Combined with the euro adoption in January 2026 and the ongoing tightening of property and tax data systems, this is a market that is becoming more legible, not less. Legible markets reward patient, properly run small businesses. They punish the careless.

For British expats already invested in Bulgaria, hosting remains a sensible way to generate income from a property you already own. The administrative load goes up; the long-term returns for compliant operators look, if anything, better. Tackle the paperwork in the order above and you will be ahead of most of your competition by the time the new rules take effect.