How Rental Income Is Taxed — With Worked Examples
Rent minus expenses, stacked on top of your salary, taxed at your marginal rate — walked through with real 2026/27 numbers for a basic-rate and a higher-rate landlord, England and Scotland.
The whole system in one sentence: rent minus allowable costs is profit; profit stacks on top of your other income; the stack is taxed at your marginal rates; mortgage interest gets a separate 20% credit. Everything else is detail — but the detail is where the money is. Four worked 2026/27 examples below; run your own in the calculator.
Example 1 — basic-rate employee, one flat (England)
Salary £28,000 · rent £9,600 · expenses £1,400 · interest £3,000.
- Profit £8,200 — all fits in the basic band → tax £1,640
- Credit 20% × £3,000 = −£600 → £1,040, an effective 12.7% of profit. Basic-rate landlords barely feel Section 24.
Example 2 — higher-rate employee, same flat (England)
Salary £60,000, same property.
- Profit £8,200 at 40% → £3,280; credit −£600 → £2,680 — 32.7% effective. Same flat, 2.6× the tax.
Example 3 — Scottish higher-rate taxpayer
Salary £60,000 in Scotland pays the 42% band (and reaches it earlier — at £43,663): £8,200 × 42% = £3,444; credit −£600 → £2,844. Scotland’s bands apply because you are Scottish-resident — the property’s location is irrelevant.
Example 4 — the £1,000 allowance case
Lodger-adjacent micro-let earning £950/year: fully covered by the property allowance — no tax, no reporting. At £3,000/year with £180 of costs: claim the flat £1,000 instead of £180 → taxable £2,000. The allowance replaces all deductions including the finance credit, so it suits unmortgaged, low-cost lets only.
The rules around the examples
- Cash basis is the default for most individual landlords — you count rent when received and costs when paid.
- Joint ownership: spouses default to 50/50 (changeable to actual ownership via Form 17 + a declaration); unmarried joint owners split by actual shares.
- Losses carry forward against future rental profits automatically — they never vanish, and never offset your salary.
- Reporting: over £1,000 gross needs Self Assessment — and over £50,000 gross combined with self-employment means MTD quarterly updates, live since April 2026.
- Rent-a-Room (£7,500, lodgers in your own home) is a separate, better scheme than the property allowance where it applies.
gov.uk: renting-out-a-property/paying-tax · income-tax-rates · gov.scot 2026/27 factsheet · property allowance guidance. Checked 29 Aug 2026.
Quick answers
Only above your £12,570 personal allowance. A landlord whose ONLY income is £15,000 of rental profit pays 20% on £2,430 — £486. This is why couples often maximise the lower earner's ownership share (Form 17 territory for spouses) — a full personal allowance and basic band applied to rent is worth thousands.
Same bands, three differences: no NIC on it (and the Budget-2025 rumour of adding NIC was dropped), no employer/pension deductions — and from April 2027 England & NI rental income gets its own, 2pp-higher rates (22/42/47%). It also can't use salary-style pension sacrifice: rental profit isn't 'relevant earnings' for pension contributions.
Above £1,000 gross in a tax year: register for Self Assessment by 5 October after the tax year ends. Under £1,000 the property allowance covers it with no reporting. If you've had undeclared rent for years, HMRC's Let Property Campaign offers softer terms than being found — and its data matching with deposits schemes and letting agents finds people.
No — rental losses only carry forward against future rental profits. They do that automatically and indefinitely, so keep records of loss years; a big repair year plus Section 24 makes losses more common than people expect.