Loan-to-value ratio is expressed as a percentage: the mortgage amount divided by the property value multiplied by 100. A 200,000 mortgage on a 250,000 property is 80% LTV. The remaining 20% is your equity or deposit.\n\nWhy LTV Matters So Much — From the lender's perspective, LTV represents risk. If you default and they repossess, they need to sell the property for enough to recover the loan. At 60% LTV, the property could fall 40% in value and the lender still recovers their money. At 95% LTV, a 5% fall creates a shortfall. Higher risk means higher rates.\n\nThe LTV Bands — Lenders price mortgages in bands, typically: 60% LTV and below (the best rates), 60 to 75%, 75 to 80%, 80 to 85%, 85 to 90%, 90 to 95%. Each band step represents a meaningful rate increase. In early 2026, the difference between 60% and 90% LTV is roughly 0.5% to 1.0% on the interest rate.\n\nThe Rate Impact in Pounds — On a 200,000 mortgage over 25 years, a 0.5% rate difference (say 4.5% versus 5.0%) equals approximately 55 pounds per month or 660 per year. Over a 5-year fixed term, that is 3,300. The incentive to be in a lower LTV band is substantial.\n\nHow to Improve Your LTV — Save a larger deposit before buying. This is the most direct route but takes time. Overpay your mortgage once you own. Every pound overpaid reduces the balance and improves LTV. Wait for property price growth. If your property rises in value, your LTV improves automatically without any action on your part. Make value-adding improvements. A well-executed renovation can increase the property value more than the cost of the work.\n\nThe Band Boundary Effect — If you are close to an LTV band boundary, a small change can make a big difference. If your property is worth 200,000 and you owe 152,000 (76% LTV), finding an extra 2,000 for your deposit or overpayment brings you to 150,000 (75% LTV), moving you into a lower band with better rates. When approaching a remortgage, check whether you are near a boundary and whether a small overpayment before the valuation could shift you down.\n\nValuation and LTV — Your LTV is calculated on the lender's valuation, not the purchase price or your estimate. If you buy for 250,000 but the lender values at 240,000, your LTV is higher than expected. This is why down valuations are problematic — they push you into a higher LTV band or even above the lender's maximum LTV threshold.\n\nLTV for Remortgages — When remortgaging, the LTV is based on the current valuation. If you bought at 200,000 with a 10% deposit (90% LTV, 180,000 mortgage) and three years later owe 170,000 while the property is valued at 220,000, your LTV is now 77%. You have moved from the worst band to a much better one without doing anything beyond making your regular payments and benefiting from modest price growth.
Understanding Mortgages
Understanding LTV: How Loan-to-Value Ratio Determines Your Mortgage Rate
Disclaimer: This article is for general information only and does not constitute financial advice. MortgageLab UK is not FCA-regulated. Always speak to a qualified, FCA-authorised mortgage adviser before making decisions. Your home may be repossessed if you do not keep up repayments on your mortgage.