Property tax guide: 2026/27

UK Rent-a-Room Relief 2026/27: £7,500 Tax-Free, Lodger, Airbnb

The £7,500 tax-free threshold for renting furnished rooms in your main residence to a lodger or Airbnb guest, the joint-owner £3,750 split, the election mechanics where gross rent exceeds the threshold, the qualifying conditions (main residence, furnished, room not whole property), the interaction with Council Tax single-person discount, Capital Gains Tax Principal Private Residence relief and means-tested benefits, and how it compares to the £1,000 property allowance.

Overview - what Rent-a-Room covers

The Rent-a-Room Scheme under ITTOIA 2005 sections 784 to 802 exempts up to £7,500 per year of gross rental income from letting a furnished room (or rooms) in the taxpayer's main or only UK residence. The relief is automatic for hosts whose gross lodger / paying-guest income is at or below £7,500 - the income does not need to be reported on Self Assessment at all unless another income source triggers SA registration. Above £7,500 the host can elect Rent-a-Room (tax on rent minus £7,500, no expenses deductible) or use the standard property income rules (tax on gross rent minus actual deductible expenses). The relief covers traditional lodger arrangements, paying-guest stays and Airbnb spare-room hosting where the host continues to live in the property as their main residence.

The £7,500 threshold has been unchanged since 6 April 2016 when it was doubled from £4,250 in the 2015 Summer Budget. The threshold is not indexed to inflation and has not been uprated since - real-terms erosion vs CPI is around 30% since 2016. The Treasury reviewed Rent-a-Room in 2018 (Office of Tax Simplification report) and recommended modest uprating with shared-economy adjustments, but no change has been made. For typical London lodger arrangements at £700-£900/month rent (£8,400-£10,800 / year) the threshold no longer fully covers the gross income, making the election decision and the comparison between routes a meaningful tax-planning question for many hosts.

The relief is one of the more generous UK personal-tax exemptions and significantly simpler than the standard property income regime. For below-threshold hosts there is no Self Assessment burden, no expense-tracking requirement, and no record-keeping obligation beyond evidence of the basic letting arrangement. For above-threshold hosts the election route (tax on excess over £7,500, no expenses) is operationally simpler than the standard route and is the better outcome unless deductible expenses materially exceed the £7,500 relief - which is rare for lodger arrangements where common-area heating, lighting and limited bedroom-furniture wear-and-tear are the main expenses.

How the relief works in practice

Two routes depending on whether gross rent is below or above the £7,500 threshold:

Gross rent at or below £7,500 - the rent is fully exempt from Income Tax. No Self Assessment registration required unless other income triggers it. No expense documentation or record-keeping requirement. The relief is automatic and applies regardless of the host's other income or marginal tax rate.
Gross rent above £7,500 - the host chooses between two routes on the Self Assessment return: Rent-a-Room election (tax on gross rent minus £7,500, no expenses deductible) or standard property income (tax on gross rent minus actual deductible expenses). The election is made via the SA105 property pages and is binding for the year but switchable year-to-year. Most hosts find Rent-a-Room better unless expenses substantially exceed the £7,500 threshold.

Joint owners share the threshold equally. Two joint owners receive £3,750 each. Three joint owners receive £2,500 each. The split applies regardless of the actual income share between the owners - even if one joint owner takes 80% of the rent share and the other 20%, the threshold is still split 50/50 in a two-owner case. A married couple jointly owning their home and letting a single spare room collectively benefit from the £7,500 threshold (£3,750 each), not £15,000 between them. The threshold cannot be aggregated by reassigning income shares.

Worked scenarios - which route wins?

Six common scenarios comparing the Rent-a-Room election vs the standard property income route:

Scenario	Gross rent	Expenses	Rent-a-Room taxable	Standard taxable	Better route
Lodger below threshold	£6,500	£800	£0 (fully covered by £7,500)	Rent £6,500 - expenses £800 = £5,700 taxable	Rent-a-Room (no tax vs £5,700 taxable)
Lodger at threshold	£7,500	£1,200	£0 (exactly at threshold)	Rent £7,500 - expenses £1,200 = £6,300 taxable	Rent-a-Room
Lodger above threshold (low expenses)	£12,000	£1,500	£12,000 - £7,500 = £4,500 taxable	Rent £12,000 - expenses £1,500 = £10,500 taxable	Rent-a-Room (£4,500 vs £10,500 taxable)
Lodger above threshold (high expenses)	£12,000	£6,000	£12,000 - £7,500 = £4,500 taxable	Rent £12,000 - expenses £6,000 = £6,000 taxable	Rent-a-Room (£4,500 vs £6,000 still wins)
Lodger above threshold (very high expenses)	£15,000	£10,500	£15,000 - £7,500 = £7,500 taxable	Rent £15,000 - expenses £10,500 = £4,500 taxable	Standard route (£4,500 vs £7,500 taxable) - rare case
Airbnb spare room (£18k year, 60 nights)	£18,000	£4,000	£18,000 - £7,500 = £10,500 taxable	Rent £18,000 - expenses £4,000 = £14,000 taxable	Rent-a-Room (£10,500 vs £14,000)

The Rent-a-Room route wins in almost every realistic lodger scenario because typical lodger-related expenses (apportioned heating, lighting, broadband, council-tax discount loss, wear-and-tear, advertising) rarely exceed £7,500 per year. The standard route only wins where expenses materially exceed £7,500 - typically a renovation-year for the let portion or a host paying significant agency fees on a managed Airbnb spare room. Run both routes through your tax software each year and use whichever produces lower taxable income.

Airbnb and short-term lets

Rent-a-Room applies to Airbnb hosts letting spare rooms in their main residence on the same basis as traditional lodger arrangements. A host letting a single spare bedroom on Airbnb for 60 nights a year at £150/night grosses £9,000 - above the threshold but the host can elect Rent-a-Room and pay tax on £1,500 (£9,000 - £7,500). The same arrangement under the standard route would deduct apportioned heating, lighting, breakfast supplies provided to guests, listing-platform fees (Airbnb takes 3% from hosts), professional cleaning between guests and consumables - typically £2,000-£4,000 of expenses for a 60-night-a-year side hustle. Standard route taxable: £9,000 - £3,000 expenses = £6,000. Rent-a-Room is materially better.

The relief does NOT apply to whole-property Airbnb hosting, holiday cottages, or arrangements where the host does not also live in the property as their main residence. A whole-house Airbnb let while the host is away travelling does not qualify even if the host returns to the home between let periods. HMRC view this as letting a separate residence, not a room in the host's home. Similarly, letting a self-contained annexe with its own kitchen, bathroom and separate access typically does not qualify - HMRC treat such arrangements as letting a distinct dwelling. For whole-property short-term lets see our UK landlord tax guide for the standard residential rental treatment.

Local authority and planning constraints on Airbnb hosting have tightened materially since 2023. Greater London introduced a 90-night-per-year cap on whole-property short-term lets under the Deregulation Act 2015 (originally 2016, enforced more vigorously from 2022). Scotland introduced mandatory short-term let licensing from October 2023. Various English local authorities now require planning permission for change of use from C3 (dwelling) to C4 (HMO) where short-term letting exceeds defined thresholds. Spare-room Airbnb under Rent-a-Room is generally below these planning thresholds because the host continues to use the property as their main residence - but check the specific local authority position before scaling Airbnb activity.

Qualifying conditions

Main or only residence - the property must be the host's main or only residence at the time of the letting. Hosts can have multiple residences provided the let property is their primary; HMRC apply the "main residence" test using the same criteria as Capital Gains Tax PPR elections.
Furnished accommodation - the room (or rooms) must be furnished. An unfurnished let does not qualify even if all other conditions are met. "Furnished" means substantially equipped for residential occupation (bed, wardrobe, basic furniture) - it does not require luxury or extensive contents.
Room in the host's home - the let must be of a room or rooms within the host's residence, not a self-contained dwelling or annexe with its own kitchen and bathroom. Sharing of common areas (kitchen, living room, bathroom) is the typical indicator that the let qualifies.
UK property - the property must be in the UK. Letting a room in an overseas holiday or second home does not qualify regardless of host residence status.
Tenants allowed - tenants who sublet a room (with landlord permission) qualify on the same basis as owner-occupiers. Social housing tenants have stricter subletting rules.
No specific income limit on the host - Rent-a-Room is available regardless of the host's other income; there is no taper or restriction at higher incomes.

Rent-a-Room vs the £1,000 property allowance

The £1,000 property allowance under ITTOIA 2005 section 783A is a separate UK tax relief that exempts up to £1,000 per year of UK property income from Income Tax. The two reliefs are mutually exclusive - a host cannot claim both Rent-a-Room and the property allowance against the same letting income in the same year. For typical spare-room lodger or Airbnb hosts the Rent-a-Room £7,500 threshold is materially more generous than the £1,000 property allowance, so the choice is usually obvious.

The property allowance is the right choice in narrow cases. (1) Very low gross income where simplicity is the priority: a host with £500 / year of property income (rare in 2026/27 markets) might use the property allowance to avoid tracking expenses while still claiming relief. (2) Letting that does not qualify for Rent-a-Room: an unfurnished sublet, a self-contained annexe, or a holiday home where Rent-a-Room is not available but the property allowance is. (3) Whole-property lets below £1,000 / year. The property allowance also covers other categories of property income that Rent-a-Room does not (e.g. payments for licence to use UK property such as roof-rental for telecoms equipment).

Interactions with other tax and benefit positions

Rent-a-Room operates in isolation from Income Tax / CGT, but interacts with several other elements of the UK personal tax and benefit system:

Council Tax single-person discount - the 25% discount is lost when a lodger (over 18, non-student, not in another disregarded category) moves in. Full Council Tax applies once an additional adult is resident. Lodgers who are full-time students or live-in carers under qualifying conditions are "disregarded" and the discount survives.
Capital Gains Tax Principal Private Residence relief - typically unaffected by lodger arrangements because HMRC accepts that a lodger sharing kitchen/bathroom does not create a non-residential portion. Self-contained annexes with separate facilities CAN restrict PPR on disposal.
Means-tested benefits - Rent-a-Room income counts for Universal Credit, Pension Credit, Housing Benefit and Council Tax Reduction means-testing. The £7,500 tax exemption does NOT translate to a benefits exemption - the boarder rules give a smaller fixed disregard.
100% Personal Allowance taper (£100,000) and HICBC (£60,000-£80,000) - lodger income is generally included in adjusted net income for these tests. A taxpayer at £95,000 of employment income whose lodger takes them above £100,000 will lose Personal Allowance even though the lodger income itself is tax-free under Rent-a-Room.
Mortgage agreement and home insurance - most residential mortgages allow taking a single lodger without consent but require notification for multiple lodgers or short-term lets. Home insurance typically requires notification (sometimes uplift in premium) when taking lodgers or Airbnb guests. Failure to notify can void policies.

Frequently asked questions

What is Rent-a-Room relief and who can claim it?

Rent-a-Room is a UK Income Tax relief under ITTOIA 2005 sections 784-802 that exempts up to £7,500 per year of gross rental income received from letting a furnished room (or rooms) in the taxpayer's main or only UK residence. The relief is automatic where gross rent is at or below £7,500 - the income does not need to be reported on a Self Assessment return at all. Above £7,500 the taxpayer can elect to use Rent-a-Room (tax on rent minus £7,500, no expenses deductible) or use the standard property income rules (tax on rent minus actual expenses). The relief applies to lodgers, paying guests, and Airbnb-style short-let occupants of furnished rooms within the home, but NOT to letting the whole property or letting unfurnished. Available to owner-occupiers, tenants of rented properties (with landlord permission), and renters in social housing. The £7,500 threshold has been unchanged since 6 April 2016 when it was doubled from £4,250.

How does the £7,500 threshold split for joint owners?

Where two or more people share the rental income from the same property (typically married/partnered joint owners or co-tenants), the £7,500 threshold is split equally between them. Two joint owners get £3,750 each. Three joint owners get £2,500 each. Five joint owners get £1,500 each. The split applies regardless of the actual income share between them - even if one joint owner receives 80% of the rent and the other 20%, the threshold is still split 50/50. This means a couple jointly owning their home and letting a single spare room collectively benefit from the £7,500 threshold (£3,750 each), not £15,000 between them. The combined threshold cannot be exceeded by aggregating shares.

Does Rent-a-Room work for Airbnb and short-term lets?

Yes - provided the room is in your main residence, is furnished, and the guests are paying for accommodation in your home. Airbnb spare-room hosts can claim Rent-a-Room relief on gross income up to £7,500 a year. Hosts above the threshold can elect Rent-a-Room (tax on gross minus £7,500) or standard route (tax on net of actual expenses). The relief does NOT apply to whole-property Airbnb lets, holiday cottages, or properties where the owner does not also live in the property as their main residence. It also does not apply to letting an annexe or separate dwelling that has its own kitchen and bathroom and operates as a distinct self-contained unit - HMRC view this as letting a separate residence, not a room in the host's home.

What expenses can I deduct under Rent-a-Room?

Under the Rent-a-Room election (above-threshold route) NO expenses are deductible - the taxable amount is simply gross rent minus the £7,500 threshold. Under the standard route (below-threshold or where the standard route produces a better outcome), the usual rental-business expenses are deductible: heating/lighting apportioned for the lodger's use (typically 25-40% of bills), broadband (if specifically increased for the lodger), council tax single-person-discount loss (if relevant), wear-and-tear on furniture (via the Replacement of Domestic Items relief, not capital allowances), professional fees (advertising, agency fees, accountancy), insurance (excess above what you would otherwise pay), and a proportion of mortgage interest (subject to the Section 24 basic-rate-credit restriction - though limited interest applies because the home is the host's residence). Mortgage capital repayments and rent paid by the host to their own landlord are NOT deductible regardless of route.

How do I claim Rent-a-Room relief?

Three scenarios. (1) Gross rent £7,500 or below: relief is automatic, no Self Assessment registration required unless other income triggers it. You do not need to report the rent at all if you have no other reason to file SA. (2) Gross rent above £7,500 and you want to use Rent-a-Room: you must elect Rent-a-Room on your Self Assessment return, ticking the relevant box on the property income pages SA105. The election is irrevocable for the year but you can switch years - if a year is better under the standard route, you make no election for that year and use the standard rental calculation. (3) Gross rent above £7,500 and standard route is better: simply do not elect Rent-a-Room - report the gross rent and actual expenses as standard property income on SA105. The standard route deadline is the standard SA filing deadline (31 January following the end of the tax year).

Can I use Rent-a-Room alongside the £1,000 property allowance?

No - Rent-a-Room and the £1,000 property allowance are mutually exclusive. The property allowance (£1,000 a year tax-free property income) is designed for very-small-scale lets such as occasional Airbnb of a whole property where the £7,500 Rent-a-Room scheme does not apply, or owners of UK rental property who have very low income from it. If you elect or qualify for Rent-a-Room you cannot also claim the £1,000 property allowance against the same lettings, and vice versa. For most spare-room lodger or spare-room-Airbnb hosts the Rent-a-Room £7,500 threshold is materially more generous than the £1,000 property allowance, so the choice is usually obvious.

What if I rent the room while I am also a tenant (not owner)?

Yes - Rent-a-Room is available to tenants who sublet a room in their main residence, provided their own tenancy agreement permits subletting and the property is furnished. Many private tenancies prohibit subletting without landlord consent - check the tenancy agreement carefully before letting a room as the unauthorised subletting can trigger breach of contract and possession action by the landlord. Where subletting is permitted, the £7,500 threshold operates the same way as for owner-occupiers. The host tenant cannot deduct their own rent to the landlord under either route - their own rent is personal expense, not a rental-business cost. Social housing tenants typically have stricter subletting rules and should obtain written consent from the housing association or local authority before letting a room.

Does taking a lodger affect my Council Tax single person discount?

Yes - if you currently claim the 25% single person discount on Council Tax (because you live alone) and you take in a lodger who is over 18 and not a student, the discount is lost. The full Council Tax bill applies once you have an additional adult resident. This is not a Rent-a-Room rule but a Council Tax rule under the Local Government Finance Act 1992 - the discount applies only to households with one liable adult. Lodgers who are full-time students or live-in carers under certain qualifying conditions are "disregarded" for Council Tax purposes and the single-person discount can be retained. Notify your local council within 21 days of any change to the household composition to avoid back-billing or fine for non-disclosure.

Does Rent-a-Room affect my Capital Gains Tax position on sale?

In most cases no - the home retains its Principal Private Residence (PPR) relief status because the lodger is using a room in the home alongside the owner, not occupying a separate dwelling. HMRC takes the view that a typical lodger arrangement (sharing kitchen, bathroom, common areas; lodger does not have exclusive possession of a distinct part of the home) does not create a non-residential portion of the property for CGT purposes. However, if the home is converted such that the lodger has an entirely self-contained section with separate access, kitchen and bathroom (e.g. a converted annexe or self-contained flat within the main building) then that portion may be treated as a separate dwelling and the CGT PPR relief restricted on sale. Whole-property Airbnb hosting (where the owner moves out for periods to let the whole property) similarly can restrict PPR on the let portions of the period. Specialist CGT advice recommended for any non-typical letting arrangement.

How does Rent-a-Room interact with benefits and tax credits?

Rent-a-Room rental income (above and below the £7,500 threshold) counts as income for Universal Credit, Pension Credit, Housing Benefit, Council Tax Reduction and other means-tested benefits. The benefit-system disregard is much less generous than the tax-system £7,500 - in Universal Credit, typically only a portion of lodger income is disregarded under the "boarder" rules (which give a fixed disregard plus a percentage). Recipients of means-tested benefits should consult the relevant benefit calculator before taking a lodger, because the £7,500 tax-free relief in tax does NOT mean the lodger income is fully excluded from benefit means-testing. The same point applies to Tax-Free Childcare, the £100,000 Personal Allowance taper and HICBC: lodger income is generally included in the relevant "adjusted net income" figure and can push a borderline taxpayer into a higher tax-trap band even where the tax relief itself wipes out the IT charge.

Can I claim Rent-a-Room for letting a holiday home?

No - Rent-a-Room requires the property to be the host's main or only residence. A holiday home that is not the owner's main residence does NOT qualify. Letting a holiday home is taxed as standard property income with the £1,000 property allowance available (if not claimed elsewhere) but with no equivalent of the £7,500 Rent-a-Room relief. The pre-April-2025 Furnished Holiday Letting regime (which gave favourable tax treatment including 100% mortgage interest deduction, capital allowances and BADR-eligible disposal) was abolished from 6 April 2025 - holiday homes are now treated as ordinary residential property for all tax purposes. The Rent-a-Room relief is specifically designed to encourage homeowners to take lodgers in their primary residence to expand UK housing capacity, not to subsidise holiday-let businesses.

Is the £7,500 threshold reviewed or uprated?

The £7,500 threshold has been unchanged since 6 April 2016 when it was doubled from £4,250. It is not indexed to inflation and has not been uprated despite material UK rent growth - real-terms erosion vs CPI is approximately 30% since 2016. The Treasury reviewed the relief in 2018 (Office of Tax Simplification Rent-a-Room review) and recommended modest uprating with shared-economy adjustments, but no change has been made since. There is no announced uprating in the Autumn Budget 2024 or Spring Statement 2025 or 2026 forward fiscal plans. Practical implication: a lodger paying London market rent of £700-£900/month (£8,400-£10,800 / year) will now routinely exceed the threshold whereas in 2016 the same threshold comfortably covered most London lodger arrangements. The relief remains valuable but for most London hosts is now a partial-shelter rather than full-shelter mechanism.

UK landlord tax guide - standard property income regime for whole-property lets.
UK side hustle tax guide - £1,000 trading allowance and £1,000 property allowance.
£100,000 tax trap - how lodger income can push adjusted net income into the PA taper band.
HICBC guide - £60,000-£80,000 taper interaction with lodger income.
UK CGT rules guide - Principal Private Residence relief and lodger arrangements.
Personal Allowance guide - the £12,570 base allowance separate from Rent-a-Room.
Salary calculator - factor lodger income into your total adjusted net income for the £100k taper.
FHL abolition guide - background for whole-property holiday lets that do not qualify for Rent-a-Room.