Perfect Timing: When Should You Remortgage?


In the dynamic world of property investment, one of the key financial decisions a buy-to-let investor faces is when to remortgage. This decision can significantly impact your return on investment (ROI) and the profitability of your portfolio. Here, we will demystify the world of remortgaging and help you understand when the optimal time to remortgage is. We’ll break down the jargon and provide real-world examples, allowing even the least experienced investors to grasp the significance of timing in the market.

Understanding the Basics

What is Remortgaging?

Remortgaging is the process of switching your existing mortgage to a new one, usually with a different lender. It’s a crucial financial strategy for buy-to-let investors as it can potentially lower your monthly expenses and increase your annual return.

Market Assessment

Before we dive into the ‘when,’ it’s essential to assess the current market conditions. The crux of this decision lies in understanding whether interest rates are likely to increase or decrease in the short and medium term.

Real-World Scenario

To put this into perspective, let’s consider a real-world example:

Property Details:

Property Value: £250,000

Current Mortgage: £150,000

Current Mortgage Rate: 3.5%

Monthly Rental Income: £1,200

Current Mortgage Rate: 3.5%

Potential Remortgage Rate: 2.8%

In this scenario, if you were to remortgage at the reduced rate of 2.8%, you’d save £70 per month. This might not seem significant at first glance. However, let’s take a closer look.

Timing is Everything

Assuming you anticipate that the market will favor lower mortgage rates in the coming months, and you decide to hold off. After two months, you’re offered a remortgage rate of 2.6%. This decision results in:

An additional monthly saving of £90

A yearly saving of £1,080

Now, let’s express this in terms of ROI. The yearly saving represents a percentage of your annual rental income, and this percentage increase directly improves your ROI.


In the unpredictable world of buy-to-let investments, timing is paramount. The decision to remortgage at the right moment can be a game-changer for your portfolio’s profitability. As illustrated in the scenario above, waiting for a more favorable market rate can lead to substantial annual savings and increased ROI.

Key Takeaways

-Assess the market and predict interest rate movements.

-Even seemingly small changes in mortgage rates can have a significant impact on your bottom line.

-Timing your remortgage decision can substantially improve your ROI.

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