Calculating Lifetime Mortgage Interest Rates

Are you on the lookout for the best lifetime mortgage interest rates? Understanding the factors that influence these rates and the distinctions between variable and fixed rates is crucial to ensure you make informed decisions. 

In this blog post by Legacy Financial, we explore the intricacies of lifetime mortgage interest rates, the current market trends, and what you need to know to avoid surprises.

How do Interest Rate Calculators Work?

A lifetime mortgage interest rate calculator is a tool designed to estimate the potential interest costs associated with a lifetime mortgage based on various inputs. While specific calculators may vary, here’s a general overview of how they typically work:

1. Input Information:

   – Loan Amount: You’ll enter the amount you consider borrowing through the lifetime mortgage.

   – Interest Rate: Input the estimated or quoted interest rate. Depending on your chosen mortgage plan, this could be a fixed rate or an initial variable rate.

   – Loan Term: Specify the intended duration of the loan, i.e., how long you plan to keep the mortgage before repaying it.

2. Calculation of Monthly Interest:

   – The calculator will use the provided interest rate to calculate the monthly interest accrued on the outstanding loan balance. For fixed-rate mortgages, this calculation remains constant throughout the loan term. The calculator may assume a stable rate or make assumptions about future rate changes for variable rates.

3. Compounding Interest:

   – If the calculator accounts for compounding interest, it will factor in the interest accrual on the initial loan amount and any previously accumulated interest. This is a crucial aspect of lifetime mortgages, where interest can compound over time if not regularly paid.

4. Display of Results:

   – The calculator will typically provide a breakdown of the monthly interest, the total interest accrued over the loan term, and the remaining balance. Some calculators may also show a schedule detailing how the loan balance and interest payments evolve over time.

5. Sensitivity Analysis:

   – Some advanced calculators may include sensitivity analysis, allowing you to explore the impact of changes in interest rates or loan terms on your overall costs. This is valuable for understanding how different scenarios affect your financial situation.

6. Disclaimer and Limitations:

   – Most calculators come with disclaimers, reminding users that the results are estimates and that actual costs may vary based on unforeseen factors. They may also highlight that the calculator doesn’t consider fees, early repayment charges, or other specific mortgage agreement terms.

Keep in mind that these calculators are tools for estimation and planning. For precise and personalised information, it’s advisable to consult directly with mortgage providers or financial advisors who can consider your unique circumstances and provide accurate details about lifetime mortgage interest rates and associated costs.

Decoding Lifetime Mortgage Interest Rates:

Equity release, whether through a home reversion plan or a lifetime mortgage, involves a loan secured against your property, typically necessitating the repayment of any existing mortgage. Legacy Financial’s trusted equity release partner is Age Partnership. The funds released and accrued interest are repaid upon death or moving into long-term care.

Market Trends:

Lifetime mortgage interest rates experienced a steady decline until early 2022, followed by a gradual increase. Despite recent upticks, average rates remain lower than the highs seen in 2016. Now is an opportune time to consult with an advisor, especially considering the expected base rate increases by the Bank of England, which may lead to further rate rises. As of now, rates fluctuate between 6.05% and 7%*.

Understanding Average Interest Rates:

The current average interest rate on lifetime mortgages typically falls from 6.05% to 7%*. The specific rate offered is influenced by factors such as your loan-to-value ratio and plan features.

Interest Calculation on Lifetime Mortgages:

Interest on a lifetime mortgage is commonly calculated based on a fixed rate agreed upon when the offer is made. Variable rates are available but capped. The interest is compounded, meaning it’s calculated on the initial loan amount plus any interest accruing on that sum.

Fixed vs. Variable Rates:

Opting for a fixed-rate plan ensures immunity to interest rate fluctuations, while variable rates, though capped, may be influenced by market changes. The Equity Release Council mandates that variable rates won’t exceed a predetermined level.

AER vs. MER:

Understanding the Annual Equivalent Rate (AER) and Monthly Equivalent Rate (MER) is essential. AER represents annual interest, while MER divides this interest over 12 months.

Interest Rates on Different Lifetime Mortgages:

Various lifetime mortgage options include lump sum, drawdown, flexible payment, interest-only, and capital and interest mortgages, each with distinct features and implications.

Best Rates in 2023:

As of now, the best rates for 2023 start at approximately 5.70%*. However, the actual rate depends on factors like the chosen plan and loan amount, requiring consultation with an advisor.


Can I Repay a Lifetime Mortgage?

Indeed, you have the option to settle a lifetime mortgage. Most providers now offer flexible solutions, allowing homeowners to pay off their lifetime mortgage. Remember that early repayment charges may apply depending on your specific plan.

What Are the Costs Associated with a Lifetime Mortgage?

The setup fees for a lifetime mortgage typically range between £1,500 and £3,000. This does not include the loan amount and interest, which are additional expenses.

How Much Interest Can I Expect to Pay?

The interest on a lifetime mortgage generally falls between 6.05% and 7%*, although this can vary based on your specific lifetime mortgage plan. For the most up-to-date equity release rates, you can check here.

What Influences the Interest Rate Charged?

Several factors can impact the interest rate on your lifetime mortgage. The type of lifetime mortgage you choose, loan-to-value ratio, and overall health and lifestyle are significant determinants.


With relatively low lifetime mortgage rates in 2023, now is the time to explore retirement solutions. For personalised advice, consult an independent financial advisor to determine if equity release aligns with your goals. Speak with Legacy Financial’s experienced equity release advisor to explore suitable rates and discuss queries.

*Please note that rates are subject to change, and checking for the most recent updates is advisable.