Buy-to-let can still be a rewarding long-term investment. Whether you own a single rental property or manage a larger portfolio, property remains one of the few investments that can provide both a regular income and the potential for long-term capital growth.

However, like any investment, there are risks to consider. While rental income can generate steady monthly returns, you'll also need to budget for the upfront purchase costs, ongoing maintenance, taxes and periods when the property may be vacant. Understanding these costs and planning carefully is key to making buy-to-let a success. Here's what you should consider before investing.

Choose an area with strong rental demand

The success of a buy-to-let investment depends on finding tenants and keeping your property occupied. That's why it's important to buy in an area where rental demand is consistently high and rents are strong enough to help cover your costs.

Different locations appeal to different types of renters, whether that's students, young professionals, families or retirees. Taking the time to understand the local market can help you choose a property that offers the best long-term potential.

A local estate and letting agent can provide valuable insights into rental demand, achievable rental values and the types of properties that are most sought after.

Understand the costs

Before investing in buy-to-let, it's important to understand both the upfront costs and the ongoing expenses you'll need to budget for.

Initial costs typically include your deposit, legal fees, mortgage arrangement fees, surveys, higher-rate Stamp Duty, and any refurbishment, furnishing or compliance work needed before tenants move in.

You'll also need to budget for ongoing expenses such as landlord insurance, maintenance and repairs, property management fees, accountancy costs and periods when the property may be vacant. Setting aside a contingency fund can help cover unexpected costs.

As a guide, many landlords put down a deposit of around 25% to 30%, which can help ensure the rental income comfortably covers mortgage repayments, running costs and tax while still providing a profit.

Consider a buy-to-let mortgage

Even if you have enough savings to buy a property outright, using a buy-to-let mortgage could help you maximise your investment.

While mortgage repayments reduce your monthly rental profit, borrowing allows you to invest in more than one property while still benefiting from any increase in property values over time.

For example, instead of buying one property outright, the same amount of capital could be used as deposits on multiple properties, potentially increasing both your rental income and long-term capital growth.

Buy-to-let mortgages work differently from residential mortgages, with lenders assessing rental income as well as your personal finances. Many of the most competitive deals are only available through mortgage brokers, so it's worth speaking to an expert before making a decision.

Get professional tax and legal advice

Tax rules for landlords can be complicated, and the most suitable ownership structure will depend on your personal circumstances.

Speaking to a tax adviser or accountant before you buy can help you understand the most tax-efficient way to own your property, how rental income could affect your wider finances, and any future tax liabilities when you eventually sell or pass the property on.

It's also worth considering how your rental income may affect other aspects of your finances, such as Child Benefit entitlement or your overall tax band.

Many landlords are now also affected by Making Tax Digital. Those with qualifying income above the current threshold must keep digital records and submit tax information using compatible software, with the scheme continuing to expand over the coming years. A tax adviser can help ensure you're fully compliant.

How is the market performing?

Rental market

Demand for rental homes continues to outstrip supply across much of the UK, helping to support rental growth.

According to Zoopla's latest Rental Market Report, average UK rents have increased by 2.1% over the past year, with stronger growth in many regional markets. Newcastle, Liverpool and Leeds have all recorded annual rental growth of around 3% or more, while some more affordable towns have seen even bigger increases.

Although rental growth has slowed from the record highs seen in recent years, the ongoing shortage of available homes means rents are expected to continue rising, with Zoopla forecasting growth of between 2% and 3% during 2026.

House prices

Rental income is only part of the investment picture. Long-term capital growth remains one of the biggest attractions of buy-to-let.

Average UK house prices according to Zoopla’s report have risen by around 1.5% over the past year, with northern England continuing to outperform many southern regions. The North-East and North-West have recorded some of the strongest annual price growth, reflecting continued demand and relative affordability.

While no investment is guaranteed, many landlords continue to benefit from a combination of rising rents and gradual house price growth, making buy-to-let an attractive long-term investment for those who plan carefully.

If you'd like to discuss the investment potential in your local area, contact your nearest Leaders branch and speak to one of our buy-to-let experts.

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