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Calculating Rental Income and Returns (Simple Guide)
Real Estate

Calculating Rental Income and Returns (Simple Guide)

3 min read
Serrari Wealth Builder
Elsie Njenga

Elsie Njenga

Research & Statistics Graduate Trainee, Serrari Group

Contents & display options
Real Estate

Calculating Rental Income and Returns (Simple Guide)

3 min readby Elsie NjengaSerrari Wealth Builder

Calculating Rental Income and Returns (Simple Guide)

💡 Quick Answer:

Rental income is the money you earn from renting out property. To calculate your return, you compare the annual rent you earn with the total cost of the property.

This helps you understand whether the investment is profitable.


Imagine This

You buy an apartment for:

💰 KSh 6,000,000

You rent it out for:

💰 KSh 35,000 per month

Over time, the rent you collect becomes your rental income.


Step 1: Calculate Annual Rental Income

Start by calculating how much rent you earn per year.

Example:

Monthly RentAnnual Rent
KSh 20,000KSh 240,000
KSh 35,000KSh 420,000
KSh 50,000KSh 600,000

Formula:

Annual Rental Income = Monthly Rent × 12


Step 2: Calculate Rental Yield

Rental yield shows how much return you earn compared to the property price.

Formula:

Rental Yield = Annual Rent ÷ Property Price × 100

Example:

Property PriceAnnual RentRental Yield
KSh 6,000,000KSh 420,0007%

This means the property earns 7% return per year from rent.


Step 3: Consider Property Expenses

Rental income is not pure profit. You must subtract expenses.

Common costs include:

  • property maintenance
  • repairs
  • property management fees
  • insurance
  • taxes

Example:

Annual RentExpensesNet Income
KSh 420,000KSh 70,000KSh 350,000

Net income is the actual profit from the property.


Step 4: Calculate Net Rental Yield

After expenses, you can calculate net rental yield.

Formula:

Net Rental Yield = Net Income ÷ Property Price × 100

Example:

Net IncomeProperty PriceNet Yield
KSh 350,000KSh 6,000,0005.8%

This gives a more realistic investment return.


Example Calculation

Imagine buying property for:

💰 KSh 8,000,000

Monthly rent:

💰 KSh 45,000

CalculationAmount
Annual rentKSh 540,000
Annual expensesKSh 90,000
Net incomeKSh 450,000

Rental yield:

450,000 ÷ 8,000,000 × 100 = 5.6%


Why Rental Yield Matters

Rental yield helps investors:

  • compare different properties
  • estimate potential profits
  • evaluate investment performance

Higher rental yield usually means better cashflow.

If financing the property, see getting a mortgage in Kenya to understand how loan costs affect your net yield.


Other Factors That Affect Returns

Property returns also depend on:

  • location
  • demand for rental housing
  • property condition
  • economic conditions

Good locations often attract reliable tenants.

For a comparison of buying land vs building, read buy land or build in Kenya?


Example of Good Rental Locations

In Kenya, rental demand is often higher in areas near:

  • business districts
  • universities
  • major transport routes

These locations may produce stronger rental income.


Frequently Asked Questions


What is a good rental yield?

Rental yields vary, but investors often look for returns above typical savings or fixed deposit rates.


Is rental income guaranteed?

No. Income may vary depending on tenant demand and vacancy periods.


Should property expenses be included?

Yes. Including expenses gives a more accurate investment return.


Final Thoughts

Calculating rental income and returns helps property investors understand the profitability of real estate investments.

By considering rent, expenses, and property price, investors can evaluate whether a property is a good investment.

Before investing in rental property, ensure you have done a title deed check — see how to buy land safely in Kenya.

Explore Kenya Real Estate data on Serrari to research rental yields by location.

Speak to a Serrari advisor for guidance on building a property investment portfolio.


Quick Tip

Always estimate both gross rental yield and net rental yield before buying property.

Serrari Markets

Put this knowledge to work.

Use Serrari's live Market Index and curated Marketplace to compare investment products and act on the insights in this guide.

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