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When investing in property, it is essential to understand the key performance metrics that help you evaluate how well your investment is working for you.
Get in touchAlthough they are often mentioned together, they measure different aspects of an investment’s performance. Understanding these terms and how to calculate them will help you make more informed and confident investment decisions.
Yield is a way of measuring how much income a property generates in relation to its purchase price, focusing solely on rental income and expressed as a percentage. It is calculated using the formula: (Annual Rental Income ÷ Purchase Price) × 100 = Yield.
For example, if a property is purchased for £200,000 and produces an annual rental income of £10,000, the yield would be 5%. This means the property generates a 5% return from rental income each year relative to its purchase price.

There are two main types of yield: gross and net , and understanding the difference between them is important because they can reveal very different insights about the same property. Gross yield looks only at the rental income and purchase price, without accounting for any running costs or expenses.
For example, if a property is purchased for £240,000 and generates an annual rent of £12,000, the gross yield would be 5%. While gross yield is useful for quickly comparing properties, it can overstate the true return since it doesn’t include the impact of ongoing costs.

ROI, or Return on Investment, measures the overall performance of a property by looking beyond annual rental income to include both rental returns and capital growth the increase in a property’s value over time.
It can also factor in purchase costs and financing, providing a comprehensive view of profitability.
For example, if a property purchased for £200,000 with £10,000 in additional costs produces £90,000 in total profit over several years, the ROI would be 42.8%. This makes ROI a key indicator of an investment’s true long-term success, combining both income and appreciation.

| Yield | ROI | |
|---|---|---|
| What It Measures | Annual rental income return | Total return including income and capital growth |
| Time Frame | Typically one year | Over the full investment period |
| Costs Included | Gross yield: none Net yield: operating costs | All costs, including purchase, holding and selling |
| Purpose | Quick, simple measure of income potential | Full assessment of investment performance |
In short:

For property investors, these calculations are not just numbers; they’re essential decision-making tools.
A property with a high gross yield may not be as profitable as it seems once expenses are factored in, while a property with a lower yield could deliver stronger ROI through capital appreciation.


If you will own more than one residential property after the purchase (typical for buy-to-let or second-home buyers), the higher rates apply.
From 1 April 2025, those higher residential rates are charged on the whole purchase, and the rates are:

Companies can treat mortgage interest and other finance costs as business expenses under normal corporation tax rules, which can be more tax-efficient.
Rental profits retained in the company are taxed at corporation tax rates which can be more efficient for some investors.
Profits retained in the company can be reinvested to acquire further properties without immediately triggering personal tax on withdrawals. That can make portfolio growth simpler to finance.
Company shares are often easier to transfer or structure for succession than direct property ownership.

A clear understanding of yield , ROI and setting up a company allows investors to:
At Quartico , we support investors by providing transparent yield calculations and realistic ROI forecasts on every property we offer.
Our aim is to help you invest with clarity and confidence.
