Key Takeaway

Remortgage three to six months before your current deal ends to avoid reverting to your lender’s standard variable rate (SVR), which is typically much higher. Compare rates across multiple lenders, factor in arrangement fees and any early repayment charges (ERCs), and consider whether a product transfer with your existing lender or a full remortgage to a new lender offers better value. Securing a competitive rate can save hundreds of pounds each month.

When to Remortgage

Most fixed-rate and tracker mortgage deals last two, three, or five years. When your initial deal period ends, you automatically revert to your lender’s SVR, which can be 2 to 4 percentage points higher than competitive fixed rates. According to MoneyHelper, starting your remortgage search three to six months before your current deal expires gives you time to compare offers, submit an application, and complete the switch before the SVR kicks in (MoneyHelper, 2026).

You may also remortgage mid-deal if rates have dropped significantly, though you will usually pay an early repayment charge (typically 1 to 5 per cent of the outstanding balance). Calculate whether the long-term interest savings outweigh the ERC before proceeding. Remortgaging is also common when releasing equity for home improvements or consolidating debt, or when your loan-to-value (LTV) has improved due to property value growth or capital repayment, opening access to better rate tiers.

How to Get the Best Rate

Interest rates vary by lender, product type, and your LTV ratio. Lower LTV ratios (for example, 60 per cent LTV versus 85 per cent) typically unlock cheaper rates because the lender’s risk is lower. To secure the best rate, compare offers from at least three to five lenders using a mortgage broker or online comparison tools. Look beyond the headline rate: factor in arrangement fees (often £999 to £1,500), valuation fees, legal costs, and any cashback or incentives.

A product transfer (switching to a new deal with your existing lender) is usually faster and cheaper than a full remortgage because it skips valuation and legal work, but the rate may not be the most competitive on the market. Always compare the product transfer offer against what you could get by remortgaging to a different lender. As covered in foundational texts such as Principles of Finance, understanding the true cost of borrowing (the APRC, or annual percentage rate of charge) helps you compare deals on a like-for-like basis.

Check your credit file before applying. Errors or missed payments can push you into higher rate bands. If your financial situation has improved since your last mortgage (higher income, lower debts, better credit score), highlight this in your application to improve your affordability assessment and access better rates.

Read also: How to Remortgage in the UK and When It Is Worth Switching to a New Deal

Costs to Watch

Remortgaging involves several fees. Arrangement or product fees are charged by the lender and can be added to the loan (increasing your balance and interest) or paid upfront. Valuation fees (£200 to £500) cover the lender’s property assessment, and legal or conveyancing fees (£500 to £1,000) handle the transfer, though some lenders offer free legal work as part of the deal. If you are leaving your current deal early, the ERC can run into thousands of pounds, so check your mortgage offer document for the exact charge.

Compare the total cost of the new mortgage (rate plus all fees) against what you would pay by staying on the SVR or taking a product transfer. Online remortgage calculators help you model different scenarios and identify the break-even point.

Next Steps

Set a calendar reminder for three to six months before your deal ends. Gather your latest mortgage statement, proof of income, and details of your property value (use online estimates or recent sale prices in your area as a guide). Speak to an FCA-authorised mortgage adviser or broker who can search the whole market, including deals not advertised directly to consumers. Submit your application early: the remortgage process typically takes four to eight weeks from application to completion.

Refisage is not authorised by the Financial Conduct Authority and does not provide regulated mortgage advice. The information in this guide is general educational content and not personalised financial, lending, or legal advice. Your home may be repossessed if you do not keep up repayments on your mortgage. Rates, fees, and eligibility criteria vary by lender, product, and your personal circumstances. Always consult an FCA-authorised mortgage adviser before making any remortgage decision to ensure the product suits your individual situation.