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Rental Yield & ROI Calculator

Model the full return, not just the yield.

Gross yield is the first number any agent shows you. It's also the most misleading. Use this calculator to see net yield, monthly cashflow, cash-on-cash return, and the 20-year ROI after capital growth. The numbers that actually drive portfolio performance.

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Investment inputs

Cash invested

£73,800

Deposit £60,000 · SDLT £12,000 · Legals ~£1,800

Gross yield

6.50%

Net yield

5.22%

Monthly cashflow

£220

Cash-on-cash return

3.6%

Projection over 10 years

Property value (end of hold)£355,259
Equity (end of hold)£175,259
Capital gain£115,259
Total cashflow£47,919
Total return£163,178
ROI on cash invested221.1%

Assumptions: interest-only BTL mortgage. Illustrative only, excludes tax, capital gains and lender stress testing.

The four numbers that matter

What your calculator is actually showing you

Gross yield

Annual rent ÷ property price. Useful as a top-line number but ignores voids, costs and finance.

Net yield

Annual rent (less voids + running costs) ÷ property price. Reflects what actually hits your account.

Cash-on-cash

Net annual cashflow ÷ total cash invested (deposit + SDLT + legals). The number your portfolio grows from.

Total ROI

Total return (cashflow + capital gain) ÷ cash invested, over hold period. The headline investor metric.

Frequently asked

UK rental yield FAQ

For 2026, gross yields of 6% or higher are considered strong on UK regional residential BTL. Net yields of 4-5% are realistic after voids, management, maintenance and ground rent or service charge. Anything below 4% gross typically only makes sense as a capital-growth-led play in prime London or commuter belts.

Next Step

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Send us your deposit, target yield and preferred city. We'll come back with three live investments and a bespoke ROI projection for each, within one business day.

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