£20,000 Rental Income — Rent a Room 2025-26

£30,000 salary. Comparison: Rent a Room Scheme vs standard deductions.

Rental income
£20,000
Tax (scheme)
£2,500
Rent a Room Scheme
Tax (standard)
£3,200
Standard deductions
Recommended
Rent a Room Scheme
Saves £700 vs standard

Scheme vs standard deductions comparison

Rent a Room Scheme Standard rules (20% expenses)
Gross rental income £20,000 £20,000
Deduction - £7,500 (RARS threshold) - £4,000 (20% expenses)
Taxable amount £12,500 £16,000
Tax at 20% (basic rate) £2,500 £3,200
Tax at 40% (higher rate) £5,000 £6,400
Net income (basic rate taxpayer) £17,500 £16,800

* Standard rules comparison assumes 20% allowable expenses. Actual expenses may vary.

Frequently asked questions

How much tax do I pay on £20,000 rental income?

Under the Rent a Room Scheme, tax applies only to the portion above £7,500. On £20,000 income, £12,500 is taxable. A basic rate (20%) taxpayer pays £2,500; a higher rate (40%) taxpayer pays £5,000.

Should I use the Rent a Room Scheme or standard deductions?

For £20,000 rental income on a £30,000 salary, the Rent a Room Scheme is better — it saves £700 compared to standard deductions (assuming 20% allowable expenses). If your actual expenses are very high, recalculate with your real costs.

Do I need to complete Self Assessment?

Yes — income above £7,500 must be declared on a Self Assessment return. Register with HMRC if you haven't already, and file your return by 31 January (online).

Related:

All Rent a Room Calculations Self Assessment Income Tax Rates Capital Gains Tax