Part of: UK Council Tax 2026 — Complete Guide to Bands, Discounts, Exemptions & Appeals → Council Tax on Second Homes — 2025-26 Premium Rules Explained
TL;DR: Airbnb properties that are used primarily as personal accommodation or casual lets stay on Council Tax - potentially with the 100% second-home premium where adopted. Airbnb properties that are available 140 days and actually let 70 days per year qualify for business rates instead of Council Tax in England, with potentially zero rates under Small Business Rate Relief. The Greater London 90-day cap limits short-lets in London without specific planning permission.
Last reviewed: 27 April 2026
The Core Classification Question for Airbnb Hosts
Every Airbnb host who owns or rents a property specifically for short-letting must understand which tax regime applies:
Council Tax: Applies to residential properties. If your Airbnb property is classified as residential - whether a second home you let occasionally or a dedicated short-let that does not meet business rates thresholds - Council Tax applies. From April 2025, the 100% second-home premium also applies in many coastal and tourist-area councils.
Business rates: Applies to commercial properties. If your Airbnb property meets the Non-Domestic Rating Act 2023 thresholds (available 140 days, actually let 70 days in England), the Valuation Office (formerly VOA, now part of HMRC since 1 April 2026) can reclassify it as a non-domestic property subject to business rates. Small Business Rate Relief can then reduce the business rates bill to zero for properties with low rateable values.
Mixed use (live there and let it): If you live at the property as your main home and let it out on Airbnb while you are away, it remains your main residence. Council Tax applies at the standard occupied rate (with any applicable single-person discount or Council Tax Reduction). The property is not a second home, so the second-home premium does not apply.
How Airbnb Bookings Count Toward the 70-Day Threshold
In England, the 70-day actual-letting requirement (introduced by the Non-Domestic Rating Act 2023) is measured in cumulative days of actual guest occupation across the tax year.
What counts: Each day of guest occupation following a commercial booking through Airbnb or any other platform counts toward the 70-day total. A 3-night booking counts as 3 days. A 2-week booking counts as 14 days. All bookings cumulate throughout the April to March tax year.
What does not count: Days when the owner uses the property themselves; days when friends or family stay for free; days between bookings when the property is vacant but available; days when the property is blocked out for maintenance.
Calculating your position: If your Airbnb property has had 45 days of guest bookings in the current tax year, you need 25 more to reach 70. If it looks unlikely you will reach 70, the property should remain on Council Tax.
The London 90-Day Short-Let Cap
For properties in Greater London, there is an additional layer of regulation specific to short-term lettings: the Greater London Council Powers Act 2018 (as amended) limits short-term rentals to 90 days per calendar year for most residential properties, without specific planning permission.
What this means for Airbnb hosts in London:
- You can let your London home on Airbnb for up to 90 days per year without planning permission.
- Beyond 90 days, you need planning permission from your borough council.
- Airbnb automatically limits London listings to 90 days per calendar year in the absence of a host providing evidence of planning permission.
The interaction with business rates thresholds: The 90-day London cap creates a potential conflict with the 140-day availability threshold for business rates. A property capped at 90 days of actual letting cannot meet the English 70-day actual-letting requirement AND meet the 140-day availability threshold simultaneously in the way a property outside London could. In practice, London short-lets typically remain on Council Tax.
Note: The 90-day cap is a planning rule, not a Council Tax rule. It operates independently of Council Tax classification. Even if you let your London property for fewer than 90 days, the Council Tax second-home premium does not apply if the property is your main residence (where you live when not letting it out).
Record-Keeping Requirements for Business Rates Classification
If you are seeking or maintaining business rates classification for your Airbnb property (because you are meeting the 140/70 threshold), the Valuation Office requires clear evidence of actual lettings. MHCLG and the Valuation Office have both published guidance on what constitutes adequate evidence since the 2023 Act tightened requirements.
Booking records: Export your Airbnb booking history monthly and save it. The Airbnb host dashboard shows all completed and upcoming stays; export the "reservations" data as a CSV or PDF.
Payment records: Bank statements showing Airbnb payouts for each booking. Keep these alongside the booking records so days booked and income received can be cross-referenced.
Platform listing evidence: Screenshots or exports showing the property was actively marketed for the claimed availability period. Platform listing audit logs (showing when the property was available, blocked, or booked) are ideal.
Separate business bank account: Not legally required but strongly advisable. A dedicated account for Airbnb income makes it straightforward to demonstrate that lettings are commercial rather than personal.
Occasional Airbnb That Does Not Meet Thresholds
If your Airbnb property achieves, say, 30 days of actual lettings in the year, it does not meet the 70-day threshold. The property remains on Council Tax.
The Council Tax implications:
- If the property is your main home (you live there most of the time), it is subject to standard occupied Council Tax. The Airbnb income is a side benefit. No second-home premium applies.
- If the property is a second home (you do not live there as your main residence), it is subject to the second-home rate plus any applicable premium.
The threshold is firm: 69 days of actual lettings still means Council Tax; 70 days means business rates are available (subject to meeting the 140-day availability requirement simultaneously).
The 2024 Short-Term Let Registration Scheme
A new short-term let registration scheme for England was being rolled out from 2024. The registration scheme requires hosts to register with the relevant local authority before letting their property on a short-term basis.
The registration scheme is separate from Council Tax classification but creates additional administrative interactions with local authorities. As the scheme develops, registration data may be used by billing councils to identify properties that should be classified as business-rates short-let operations rather than second homes.
The MHCLG publishes updates on the registration scheme's implementation timeline and requirements.
What Changes When You Exceed Thresholds Mid-Year
If your property crosses the 70-day actual-letting threshold mid-year (for example, you achieve the 70th day of lettings in November), the Council Tax to business rates transition does not happen automatically. You must notify the Valuation Office.
The transition is typically effective from 1 April of the tax year in which both thresholds are met - it is not backdated within the tax year. If you notify in November and the thresholds are confirmed to be met for the current year, the transition takes effect from the following 1 April.
Frequently Asked Questions
I let my home on Airbnb when I'm on holiday - do I need to declare a second home?
No. If the property is your main home (you live there when not letting it), you are not a second-home owner. You simply have rental income from your home. Council Tax continues at the standard main-home rate. The second-home premium does not apply. Declare the rental income to HMRC separately.
My Airbnb property achieved exactly 70 days of bookings - do I automatically get business rates?
No. You must also meet the 140-day availability threshold AND notify the Valuation Office with evidence. Meeting the threshold gives you the right to apply for business rates classification, not automatic reclassification. Contact the Valuation Office with your booking records and availability evidence.
My property is in London and I only let it 60 days per year (under the 90-day cap) - is there any Council Tax advantage?
At 60 days of actual lettings, you are below the 70-day business rates threshold. The property remains on Council Tax. If the property is your main home, standard Council Tax applies. If it is a second home, the second-home rate (plus any premium) applies. The 90-day London cap is a planning rule; it does not affect Council Tax classification.
I bought a flat specifically for Airbnb - what Council Tax or business rates applies from day one?
From day one: Council Tax applies (second-home classification if you live elsewhere as your main home). The property must build up a track record of 140 days available and 70 days actually let before it can be reclassified for business rates. In the first year, you are likely on Council Tax at the second-home rate, potentially with the 100% premium if your council has adopted it.
Does the MHCLG track how many Airbnb properties are on business rates vs Council Tax?
MHCLG tracks the overall business rates list and Council Tax list through its annual statistics. The Valuation Office tracks properties on the non-domestic rating list (business rates) and those on the Council Tax list. There is no specific Airbnb category in the published statistics, but the 2023 Act tightening of the actual-letting threshold was specifically intended to move properties back from business rates to Council Tax where they were listed on platforms without meeting genuine commercial activity standards.
How we verified this
The England 140/70 threshold is from the Non-Domestic Rating Act 2023 and MHCLG guidance. The Greater London 90-day short-let cap is from the Greater London Council Powers Act 2018 and subsequent amendments. The Valuation Office (formerly VOA, now part of HMRC since 1 April 2026) role in business rates classification is from HMRC and gov.uk guidance. MHCLG published guidance covers the short-term let registration scheme and the transition from Council Tax to business rates. The IRRV provides professional guidance on Airbnb and short-let Council Tax classification. The Local Government Finance Act 1992 provides the general Council Tax framework.
Sources & Verification
- Non-Domestic Rating Act 2023: https://www.legislation.gov.uk/ukpga/2023/53/contents
- Greater London Council Powers Act 2018 (90-day cap): https://www.legislation.gov.uk/ukpga/2018/5/contents
- Valuation Office (formerly VOA): https://www.gov.uk/government/organisations/valuation-office-agency
- MHCLG short-term let registration scheme: https://www.gov.uk/government/collections/short-term-lets
- gov.uk Holiday lets and business rates: https://www.gov.uk/introduction-to-business-rates/holiday-lets
- IRRV (Institute of Revenues, Rating and Valuation): https://www.irrv.net/
- Local Government Finance Act 1992: https://www.legislation.gov.uk/ukpga/1992/14/contents
This article is for informational purposes only and does not constitute legal, financial, or tax advice. Council Tax rules vary by local authority and change annually. Always verify current rates and rules with your local council and gov.uk before making any decision.
