How to Buy Your First Investment Property with Limited Savings

Many aspiring landlords want to buy an investment property with limited savings but are unsure whether it is realistic. While property investment often requires a larger deposit than residential home buying, there are situations where buyers may still enter the buy‑to‑let market with relatively modest funds. Understanding how lenders assess deposits, rental income, affordability and risk is an important first step.

Buy‑to‑let mortgages are designed for properties that will be rented out rather than lived in by the borrower. Because these mortgages are based partly on expected rental income, lender criteria can differ significantly from standard residential lending. Deposit requirements, rental yield calculations and stress testing rules all play a role in determining whether a purchase is viable.

People researching how to buy an investment property with limited savings often explore strategies such as using equity from another property, targeting lower‑priced regions, or focusing on properties with strong rental yields. However, each approach involves financial considerations and lender requirements that vary across the market.

This guide explains how lenders typically assess first investment purchases, what deposit levels may be required, and what factors can influence affordability for new landlords.

Can You Buy an Investment Property with Limited Savings?

It may be possible to buy an investment property with limited savings, but most lenders require a deposit that is larger than the minimum for residential mortgages.

Buy‑to‑let mortgages typically require deposits of around 20% to 25% of the property’s value. Some lenders may request even higher deposits depending on the property type, the borrower’s financial profile, or whether the applicant is a first‑time landlord. Because of this, buyers with smaller savings often focus on lower‑priced properties where the required deposit is more manageable.

Lenders assess buy‑to‑let applications primarily on rental income potential and risk exposure. A larger deposit reduces the lender’s risk and can also improve mortgage interest rates. Applicants with limited savings may therefore find fewer mortgage products available compared with investors able to provide larger deposits.

In some situations, borrowers may use equity from another property to support a deposit. For example, homeowners who have built equity in their main residence might remortgage to release funds for an investment purchase. However, lenders will assess affordability carefully when additional borrowing is involved.

Typical Deposit Requirements for Buy‑to‑Let Properties

Deposit requirements are one of the biggest factors when trying to buy an investment property with limited savings.

Most UK buy‑to‑let lenders require a minimum deposit of at least 25% of the property value. For example, a £200,000 rental property might require a £50,000 deposit. Some lenders may offer products with slightly lower deposits, but these are often accompanied by stricter affordability checks or higher interest rates.

Property type can also affect deposit requirements. Flats, new‑build properties, and houses in multiple occupation (HMOs) may require larger deposits due to perceived risk or management complexity. Similarly, lenders may request higher deposits from first‑time landlords compared with experienced property investors.

When savings are limited, investors sometimes target properties in lower‑priced areas or emerging rental markets. Lower purchase prices can reduce the deposit needed, although lenders will still assess whether rental income is sufficient to meet stress‑tested affordability calculations.

How Rental Income Influences Mortgage Affordability

Rental income plays a central role in determining whether a buyer can buy an investment property with limited savings.

Unlike residential mortgages, buy‑to‑let lenders usually focus on the expected rent rather than the borrower’s salary. The property must typically generate rental income that exceeds the mortgage payment by a certain margin. This is often called rental coverage or stress testing.

Many lenders require the projected rental income to cover around 125% to 145% of the mortgage payment when calculated at a stress interest rate. For example, if the stressed monthly mortgage cost is £800, lenders may expect projected rent of £1,000 or more depending on the lender’s criteria.

Rental valuations are normally carried out by surveyors during the mortgage application process. Even if a landlord expects strong rental demand, lenders will base affordability calculations on the surveyor’s estimate rather than the landlord’s own assumptions.

Other Criteria Lenders May Assess

When someone attempts to buy an investment property with limited savings, lenders assess more than just the deposit and rental income.

Credit history is an important factor. Lenders typically review credit reports to evaluate borrowing behaviour, existing debt levels and payment history. Strong credit profiles may increase the number of mortgage options available, while recent missed payments or defaults could restrict lender choice.

Personal income can also be considered even though rental income is central to buy‑to‑let affordability. Some lenders require applicants to earn a minimum annual income, often around £20,000 to £25,000, to ensure they have financial stability outside rental income.

Lenders may also assess the number of properties an investor already owns, the type of tenancy planned, and whether the borrower has landlord experience. These factors help lenders determine overall risk and may influence available mortgage terms.

Example Scenario: A First Investment Purchase with Limited Savings

A practical example can help illustrate how lenders might assess someone trying to buy an investment property with limited savings.

Imagine a buyer with £40,000 saved who is considering a rental property priced at £160,000. A 25% deposit would be £40,000, meaning the buyer could potentially meet the minimum deposit requirement. The remaining £120,000 would need to be covered by a buy‑to‑let mortgage.

If the lender applies a stress test requiring 135% rental coverage at a notional interest rate, the property may need to generate approximately £750–£850 per month in rent depending on the lender’s calculation method. A surveyor would estimate achievable rent based on comparable properties in the local area.

Even if the deposit requirement is met, the lender would still review the applicant’s credit profile, personal income and financial commitments. If the rental valuation or affordability assessment does not meet the lender’s criteria, the mortgage may not be approved despite the deposit being available.

Strategies Some Investors Explore When Savings Are Limited

People researching how to buy an investment property with limited savings often look at ways to reduce upfront costs or increase affordability.

One approach is focusing on areas where property prices are lower but rental demand remains steady. Regions with strong rental yields can sometimes allow investors to meet lender stress tests more easily because the rental income relative to property price is higher.

Another strategy involves releasing equity from an existing residential property. Homeowners who have built substantial equity may remortgage to access funds that could be used as a buy‑to‑let deposit. Lenders will assess affordability across both mortgages if this approach is considered.

Some investors also consider joint purchases with partners or family members. Combining savings can increase the available deposit, although all applicants would usually be assessed by lenders and become jointly responsible for the mortgage.

Risks and Considerations for New Landlords

Trying to buy an investment property with limited savings can involve additional financial risks that investors should consider carefully.

Property investors must plan for costs beyond the deposit. These may include stamp duty surcharges on additional properties, legal fees, valuation costs, and potential refurbishment expenses. Landlords may also need contingency funds for maintenance, void periods or unexpected repairs.

Mortgage interest rate changes can also affect profitability. Because buy‑to‑let mortgages are often interest‑only, increases in rates could significantly raise monthly costs when deals end or loans are refinanced.

Rental markets can fluctuate depending on location and economic conditions. Investors typically research tenant demand, local rental levels and property management responsibilities before committing to a purchase.

Frequently Asked Questions

What is the minimum deposit for a buy‑to‑let property?

Most lenders require at least a 20% to 25% deposit for a buy‑to‑let mortgage, although exact requirements vary. Some properties or borrower profiles may require larger deposits depending on lender criteria and perceived risk.

Can rental income alone qualify you for a buy‑to‑let mortgage?

Rental income is usually the primary factor in buy‑to‑let affordability calculations. However, many lenders also check personal income levels and financial stability alongside the rental stress test.

Is it possible to use equity instead of savings for a buy‑to‑let deposit?

Some borrowers release equity from an existing property through remortgaging to fund a deposit. Lenders will typically assess affordability across both mortgages before approving additional borrowing.

Do first‑time landlords face stricter mortgage criteria?

Some lenders apply additional requirements for first‑time landlords, such as higher minimum income levels or larger deposits. Criteria vary widely across lenders.

Are buy‑to‑let mortgages interest‑only?

Many buy‑to‑let mortgages are structured on an interest‑only basis, meaning monthly payments cover interest rather than reducing the loan balance. The capital is usually repaid at the end of the mortgage term.

This guide provides general information only. Personalised mortgage advice should always come from a regulated mortgage adviser authorised by the Financial Conduct Authority.