FinToolSuite

Loan to Value Calculator

Updated April 17, 2026 · Mortgage · Educational use only ·

Your mortgage as a percentage of property value.

Calculate your loan-to-value (LTV) ratio from mortgage balance and property value. Shows ltv percentage and the equity cushion from the values you enter.

What this tool does

Enter mortgage balance and current property value. The tool shows LTV percentage and the equity cushion.


Enter Values

Formula Used
Mortgage balance
Current market value

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Disclaimer

Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.

LTV is the single most-quoted ratio in mortgage lending. Below 60% unlocks the cheapest rates. 75-80% is the common middle tier. Above 90% is expensive and often requires insurance. A 240,000 balance on a 300,000 property is 80% LTV — typical first-time buyer territory.

Quick example

With mortgage balance of 240,000 and property value of 300,000, the result is 80.00%. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.

Which inputs matter most

You enter Mortgage Balance and Property Value. Not every input has equal weight. Flip one at a time toward extreme values to feel which ones move the needle most for your situation.

What's happening under the hood

Standard LTV definition: outstanding loan divided by current property value. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.

Why this matters before you sign

A mortgage is usually the biggest single financial commitment a person makes. The difference between a well-chosen product and a hasty one can run into tens of thousands over the life of the loan. Running the numbers here before committing is the cheapest form of due diligence available.

What this doesn't capture

The figure excludes arrangement fees, valuation costs, legal fees, insurance, and any early-repayment charges — those can add several thousand to the headline cost. Rate changes at renewal for fixed-term deals will shift the picture further. Use this for the core interest/principal math and add the other costs on top.

Where to go next

This calculation rarely sits alone in a planning exercise. If you're running these numbers, you'll probably also want the mortgage calculator, the home equity calculator, and the combined ltv calculator — each one answers a different question in the same territory. Treating them as a set rather than in isolation usually produces a more honest picture.

Example Scenario

LTV produces a percentage based on the inputs provided.

Inputs

Mortgage Balance:240,000 £
Property Value:300,000 £
Expected Result80.00%

This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.

Sources & Methodology

Methodology

Standard LTV definition: outstanding loan divided by current property value.

Frequently Asked Questions

Why does LTV matter?
Lenders price risk by LTV. Lower LTV means a thicker equity cushion for the lender, so you get cheaper rates.
What are the lending tiers?
Common bands: up to 60%, 75%, 80%, 85%, 90%, 95%. Each tier usually has its own rate — dropping below a threshold can reduce your rate noticeably.
Does LTV change automatically?
Yes. Paying down the mortgage lowers LTV, and rising property value lowers it too. Both help on your next remortgage.
What is combined LTV?
Combined LTV adds any second mortgage or home-equity line to the first mortgage balance before dividing by value. Lenders assess both.

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