When’s the best time to remortgage?

Remortgaging isn’t just about finding a better deal. It’s also about timing. The right moment can help you cut costs, avoid unnecessary fees, and ensure your new mortgage fits your current financial position.

This guide explains what “the best time” usually means in practice, what to consider before you switch, and how to plan your remortgage so deadlines don’t rush you.

This guide focuses on when to remortgage.

For what remortgaging involves end-to-end, see Remortgaging explained
For how a broker can help, see Why use a mortgage adviser for remortgaging
For why and how often to review your mortgage between deals, see Why review your mortgage regularly

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When’s the best time to remortgage?

The key question: what are you trying to achieve?

Start by clarifying your goal. Remortgaging can be used to:

reduce monthly repayments
lower the overall cost over time
change the mortgage term (for example, moving to a shorter or longer repayment period)
access additional borrowing (for home improvements or other priorities)
restructure borrowing, such as consolidating other debts (where appropriate)

Your objective matters because “best value” isn’t always the same as “lowest monthly payment”. A deal with lower repayments may cost more overall if it extends the term or includes higher fees.

What remortgaging means (and why timing matters)

A remortgage is when you move from one mortgage deal or product to another, without selling your home. That could mean staying with your existing lender or switching to a new one.

Timing matters because remortgaging often involves:

Deal end dates (especially for fixed-rate mortgages)
Exit costs (such as early repayment charges)
Application and processing time
Changes in your circumstances (income, spending, credit profile)
Property value and equity (which can affect your loan-to-value)

The most common “best time” scenarios

1) Around six months before your fixed rate ends

For many homeowners, the most straightforward timing window is in the months leading up to the end of a fixed-rate deal. Starting early can help you:

avoid falling onto a more expensive rate by accident
give enough time for affordability checks and underwriting
compare options while you still have flexibility

If you’re unsure when your deal ends, check your mortgage statements or lender communications for the deal end date.

2) When your current mortgage is on a variable rate

If you’re on a standard variable rate (SVR) or a tracker that has moved with the market, the “best time” may be when you notice your repayments have increased or when a better alternative becomes available.

In these situations, it’s still important to plan ahead because switching involves costs and processing time. Even if you’re not tied to a fixed-rate end date, you’ll want to avoid making a decision that doesn’t account for fees or your future plans.

3) When your equity position improves

If your property has increased in value since you took out your mortgage, your loan-to-value (LTV) may be lower than you think. A lower LTV can open up more competitive options.

This doesn’t mean you should remortgage purely based on house price headlines. It does mean it can be worth reviewing your position if you believe you’ve built equity through:

time passing since you bought
regular mortgage repayments
property value growth in your area

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4) When your financial circumstances have changed

Remortgaging can be a good opportunity to align your mortgage with your current life. However, it’s also a moment when lenders reassess affordability.

Consider reviewing your options if you’ve had changes such as:

income changes (including job changes)
reduced outgoings or improved budgeting
new dependants or other major commitments
significant credit profile changes

If your circumstances have improved, you may have more options. If they’ve become tighter, you may need to focus on affordability and repayment stability.

Remortgage now vs wait: the trade-off

A useful way to think about the decision is as a balance between:

the potential cost of staying on your current arrangement for longer
the potential cost of leaving early

When waiting can make sense

Waiting may be sensible if one or more of the following apply:

your current deal has limited time left and you’re comfortable with the rate you’ll pay if you do nothing
early repayment charges (if any) are likely to be high relative to the savings you expect
you’re still clarifying your plans and want to avoid committing too early
uncertainty in your income or affordability could affect approval
your property valuation or LTV may not yet reflect the outcome you expect
a new deal would not fit your current needs

When remortgaging now can be worth considering

Remortgaging now may be more attractive if:

your current deal is ending soon and you want to avoid moving onto a less favourable rate
you want to change your mortgage structure (term, repayments, or borrowing amount)

If you have multiple mortgage parts

Some homeowners have more than one mortgage portion with different end dates. This can change the decision because early repayment charges may apply to only the part you’re switching.

In these situations, it’s often helpful to consider:

which portion is ending first
whether switching early triggers charges on one part or more
how the overall cost compares if you stagger changes

Costs to factor into the timing decision

Even if a new deal looks attractive, the timing decision should include the costs of switching. Common items include:

Early repayment charges (ERCs) if you leave a deal before it ends
Product fees charged by the lender for certain mortgages
Valuation fees (where applicable)
Legal and arrangement costs
Broker fees (where relevant)

A useful approach is to compare the total cost over time, not just the headline interest rate. The “best time” is often when the savings you expect are comfortably larger than the costs you’ll pay to switch.

How market conditions can influence when to remortgage

Mortgage pricing can change as lenders adjust their products and as interest rate expectations shift. While you can’t control market movements, you can control your planning.

The key point is not to “guess the market”, but to create flexibility. By starting your review early, you can respond to changes without feeling rushed.

If you’re approaching a deal end date, it’s usually sensible to start reviewing options early enough to act if pricing improves. If you’re not tied to a fixed term, you may choose to monitor options and remortgage when the balance of cost and suitability looks right.

Practical planning: how to avoid last-minute problems

A remortgage typically involves steps such as gathering documents, completing application details, and waiting for lender processes. Starting early can reduce the risk of delays.

When planning timing, consider:

Your deal end date and any deadlines set by your lender
Whether you’re likely to need extra time for documents or information, especially where income varies
How quickly your lender may require a decision
Whether you’re making additional changes (for example, borrowing more or changing repayment type)
Whether the new deal’s features fit your plans, not just its headline rate

If you’re unsure how long a remortgage could take in your circumstances, it’s worth building in extra time rather than working to the last possible moment.

A practical checklist for deciding

Before deciding whether to remortgage now, consider these points:

How soon does your current deal end?
Will you face early repayment charges if you switch now?
Has your LTV improved since you took out the mortgage?
Do you want to change your term, repayments, or borrowing amount?
Would a fixed or variable rate better match your plans and risk comfort?

Frequently asked questions

In many cases, borrowers can apply for a new mortgage product before their current deal finishes. This can help reduce the risk of a gap between arrangements and may allow you to plan around your end date.

However, the exact timing depends on your lender and your mortgage terms. If you’re considering switching early, it’s important to understand:

whether any early repayment charges apply
what notice or cut-off dates are relevant
whether the new product can be arranged to start immediately when the current deal ends

Key takeaways

The best time to remortgage is often before a fixed-rate deal ends, with enough time to switch smoothly.
If you’re on a variable rate, the “best time” is when a better option becomes available and the overall costs still make sense.
Consider equity (LTV), your circumstances, and switching costs, not just the interest rate.
Planning ahead helps you avoid last-minute issues and supports a smoother application process.

If you’re thinking about remortgaging, reviewing your deal end date, total switching costs, and how your finances and property value may have changed can help you decide on timing with more confidence.

When’s the best time to remortgage?

The key question: what are you trying to achieve?

What remortgaging means (and why timing matters)

The most common “best time” scenarios

1) Around six months before your fixed rate ends

2) When your current mortgage is on a variable rate

3) When your equity position improves

4) When your financial circumstances have changed

Remortgage now vs wait: the trade-off

When waiting can make sense

When remortgaging now can be worth considering

If you have multiple mortgage parts

Costs to factor into the timing decision

How market conditions can influence when to remortgage

Practical planning: how to avoid last-minute problems

A practical checklist for deciding

Frequently asked questions

Key takeaways

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