Equity Release Calculator UK — How Much Can I Release?

An equity release calculator estimates how much tax-free cash you could unlock from your UK home with a lifetime mortgage, based on your age, property value and any mortgage still owed. It then projects how rolled-up compound interest grows the debt and how much equity could be left for your beneficiaries. Results are estimates, not financial advice.

How Equity Release Works in the UK

Equity release is a financial product that allows UK homeowners aged 55 and over to access the cash tied up in their property without having to sell or move out. The most common form is the lifetime mortgage, which lets you borrow a lump sum or draw down funds as needed, secured against your home. Unlike a conventional mortgage, you typically make no monthly repayments. Instead, interest rolls up (compounds) over time and the full loan plus accrued interest is repaid when you die or move into long-term care.

The maximum amount you can borrow depends primarily on your age. Younger applicants qualify for lower loan-to-value (LTV) ratios — typically around 20–25% at age 55 — while those aged 85 and over may access up to around 55–60% (maximums vary by lender) of their property’s value. This is because the lender’s risk increases with a longer expected loan term. All Equity Release Council members must offer a no negative equity guarantee, which means you can never owe more than your home is worth, even if house prices fall or interest compounds longer than expected.

There are two main structures: a lump sum plan releases the full amount upfront and interest begins accruing immediately on the entire sum. A drawdown plan gives you an approved credit facility from which you withdraw money as needed — interest only accrues on funds you have actually taken, so total interest costs can be significantly lower if you do not need all the money at once.

Equity Release Calculator Worked Example: Lifetime Mortgage vs Home Reversion

Using this calculator’s default inputs — youngest applicant aged 65, a £350,000 home, no existing mortgage and a 6.5% fixed rate — the tool applies a 36% maximum LTV and estimates a lump-sum release of £126,000. With interest rolled up for 15 years, the projected debt is about £324,052, leaving roughly £25,948 of equity if the home does not rise in value. That is an illustration of this tool’s own model, not a lender quote.

The calculator models a lifetime mortgage, the most common type of equity release. The Equity Release Council describes two types of plan:

Council members’ lifetime mortgages must have fixed rates or a capped variable rate, a no negative equity guarantee, and allow penalty-free repayments subject to the lender’s criteria. Sources: Equity Release Council — What is equity release? and Equity Release Council standards.

Equity Release Rates and Costs in 2026

Fixed lifetime mortgage rates in 2026 have broadly sat in the region of 5.5% to 7.5% per annum, but the rate you are offered depends on the lender, your age, property type and chosen features — treat the calculator’s default as illustrative and get a personal quote from an adviser who is a member of the Equity Release Council. Enhanced plans (for applicants with certain health conditions) may attract lower rates because the loan is expected to run for a shorter period. Rates are typically higher than standard residential mortgage rates because interest rolls up for an unknown period.

Because interest compounds — meaning interest is charged on previously accrued interest as well as the original loan — the debt grows exponentially. At 6.5% interest, a debt roughly doubles every 11 years (using the Rule of 72: 72 ÷ 6.5 ≈ 11.1 years). On a £100,000 release at age 65, the outstanding balance would be approximately £200,000 by age 76 and £400,000 by age 87 — assuming no property price growth. This calculator shows these projections transparently so you can assess the inheritance impact before committing.

Additional costs typically include: an arrangement fee (£500–£1,500), a valuation fee (£150–£600), independent legal advice (mandatory, typically £500–£1,500), and an advice fee if using an equity release broker (often £1,000–£1,995 or a percentage of the loan). Some lenders offer no-fee products but may compensate with a slightly higher rate. Per FCA (fca.org.uk) guidance, all regulated advisers must present a personalised illustration showing the full cost over the expected term before you sign.

Alternatives to Equity Release

Equity release is not the only way to access housing wealth in retirement, and for many people an alternative will be more cost-effective. Downsizing — selling your current home and buying a smaller, cheaper property — can release a significant lump sum tax-free with no ongoing debt or interest. Estate agents typically quote moving costs at 2–3% of the sale price, far less than a decade of compounding equity release interest.

A retirement interest-only (RIO) mortgage allows you to borrow against your home while making monthly interest payments, keeping the loan balance flat. Because the debt does not grow, your estate retains the full equity. RIO mortgages require proof of income to cover interest payments, so they suit retirees with pension income or rental income. Another option is letting out a room under the Rent a Room Scheme (up to £7,500 per year tax-free in 2026), which generates ongoing income without touching housing equity. Finally, pension drawdown and benefit entitlement checks (pension credit, attendance allowance) may provide sufficient income without needing to access property wealth. Always consult an independent financial adviser regulated by the FCA before choosing equity release.