Remortgaging When Your Fix Ends: Avoid the SVR Shock in 2026
When your fixed-rate deal expires, your lender automatically moves you to their Standard Variable Rate — typically 7–8% in 2026. Here's exactly how to act before it happens and what your options are.
The SVR Trap
Your fixed-rate deal runs out. Nothing happens automatically from your side. Your lender simply moves your mortgage to their Standard Variable Rate (SVR) — and the extra cost starts immediately.
In May 2026, with the Bank of England base rate at 4.25%, typical lender SVRs sit between 7.00% and 8.25%. The best 2-year fixed rates in the market are around 4.3–4.8%. That gap — 2–3.5 percentage points — is what the SVR costs you.
What SVR actually costs on your mortgage
| Mortgage Balance | SVR (7.5%) Monthly Interest | Fix (4.5%) Monthly Interest | Extra Monthly Cost |
|---|---|---|---|
| £100,000 | £625 | £375 | £250 |
| £150,000 | £938 | £563 | £375 |
| £200,000 | £1,250 | £750 | £500 |
| £300,000 | £1,875 | £1,125 | £750 |
| £400,000 | £2,500 | £1,500 | £1,000 |
Monthly interest-only estimate at respective annual rates. Actual repayment mortgages will differ based on remaining term.
If you sit on SVR for 6 months with a £250,000 balance, you may pay £3,000–£4,500 more in interest than you would on a new deal. That is money you cannot get back.
Why the SVR is so high
Lenders price SVRs to:
- Earn more margin from borrowers who don't act
- Create a buffer against unexpected base rate movements
- Reflect the cost of having no early repayment charge (SVRs are fully flexible — you can overpay or leave without penalty)
SVRs track the BoE base rate loosely but lag behind cuts and amplify rises. When BoE cut from 5.25% to 4.25% between mid-2024 and early 2026, most SVRs fell by only 0.5–0.75% — capturing only part of the reduction.
The Remortgage Timeline
The single most important thing: start 5–6 months before your deal expires.
Month-by-month guide
| Timeline | Action |
|---|---|
| 6 months before expiry | Check your mortgage statement for exact end date; start comparing rates |
| 5–5.5 months before | Apply for a new deal (with new lender) or request product transfer from existing lender |
| Rate locked in | Monitor market — if rates drop, you can often switch to a better product before completion |
| 3 months before | New lender completes valuation; legal work begins (if switching lender) |
| 4–6 weeks before | Solicitor exchanges/completes; new mortgage starts on your current deal's end date |
| Expiry date | New deal begins — no gap on SVR |
The risk of starting late: if you apply with 8 weeks to go, completion may not happen before expiry. You pay SVR for the gap — typically 2–8 weeks — while the new deal finalises.
Product Transfer vs Full Remortgage
These are two distinct routes. Both switch you off SVR but the process and cost differ significantly.
Product Transfer (PT)
- Stay with your existing lender, move to a new rate
- Usually available online via your lender's portal
- No solicitor, no valuation fee, no legal costs
- Completes in days rather than weeks
- Lender usually does minimal or no affordability check
- Downside: limited to your lender's product range — rates may not be market-leading
Full Remortgage (switch lender)
- Move entire mortgage to a new lender
- Full application: credit check, income verification, affordability assessment
- Valuation required (often free as incentive, sometimes cashback)
- Solicitor involved: usually provided free by lender or costs £500–£1,500
- Takes 4–8 weeks
- Access to the whole market — potentially better rates
- Downside: affordability assessment can be an issue if circumstances have changed
When a product transfer wins
- Your LTV has worsened (house value fallen or mortgage balance not reduced much)
- Your income has dropped since original application
- You are self-employed with inconsistent recent accounts
- The rate difference vs. market is small (under 0.25%)
- Speed matters (deal expiring soon)
When full remortgage wins
- Your LTV has improved significantly (house value up, mortgage balance down)
- New lender offers a materially better rate (0.5%+ lower)
- You want to borrow additional funds (further advance)
- Your existing lender's product range is limited
How New Mortgage Rates Are Set
Understanding what drives rates helps you time the market:
Bank of England Base Rate sets the floor. Tracker mortgages move directly with it. Fixed rates are priced off SONIA swap rates (what banks pay to borrow fixed-rate money in the derivatives market) — which move with market expectations of future BoE rates, not just the current rate.
This means fixed rates can fall before the BoE cuts, if markets price in imminent cuts. In 2026, swap markets have priced in a further 50–75bps of cuts by year-end, which has already partially reduced 2yr and 5yr fix pricing.
Rate snapshot (May 2026)
| Product | Representative Rate | Best Market Rate |
|---|---|---|
| 2-year fixed, 60% LTV | 4.30% | 4.05% |
| 2-year fixed, 75% LTV | 4.50% | 4.25% |
| 2-year fixed, 85% LTV | 4.80% | 4.55% |
| 5-year fixed, 60% LTV | 4.10% | 3.90% |
| 5-year fixed, 75% LTV | 4.30% | 4.10% |
| 5-year fixed, 85% LTV | 4.60% | 4.35% |
| Typical SVR | 7.5% | — |
Representative rates for illustration — check comparison sites for live figures.
Choosing 2-Year vs 5-Year Fix
The most common debate when remortgaging:
Choose a 2-year fix if:
- You expect BoE rates to fall materially by 2028 and want to remortgage into lower rates
- You may need to move house within 5 years (ERCs on 5yr deals can be 3–5% in years 1–2)
- Your personal circumstances may change significantly (income, family size)
Choose a 5-year fix if:
- You value payment certainty for budgeting
- You plan to stay in the property for the full term
- Rate difference between 2yr and 5yr is small (under 0.3%) — you might as well lock in longer
- You are stretching affordability and cannot absorb an SVR spike in 2028
In May 2026, the spread between 2yr and 5yr fixes at 75% LTV is approximately 0.15–0.25%. The 5yr deal costs only slightly more now, so the certainty premium is low. Many borrowers are taking 5yr deals.
Arrangement Fees: Add or Pay Upfront?
Most fixed-rate deals carry an arrangement fee of £499–£1,499. Lenders offer you the choice to:
Pay upfront: you lose the money if the deal falls through, but you do not pay interest on it.
Add to mortgage: easy, but you pay interest on it for the life of the loan.
Example: £999 fee on a 25-year mortgage at 4.5%
Adding £999 to your mortgage actually costs approximately £999 + £790 interest = £1,789 over the term.
Whether a fee-free deal at a slightly higher rate beats a lower-rate deal with a fee depends on your loan size and term:
| Mortgage Balance | Fee-Free at 4.60% Monthly Cost | 4.40% + £999 fee Monthly Cost | Break-even (months) |
|---|---|---|---|
| £100,000 | £551 | £534 | ~47 months |
| £200,000 | £1,101 | £1,065 | ~28 months |
| £300,000 | £1,652 | £1,597 | ~18 months |
Capital repayment basis, 25-year remaining term. Larger mortgages benefit more from lower rates, so fee-bearing deals make sense sooner.
For mortgages above £200,000, the lower-rate deal with fee usually wins within 2–3 years. For mortgages under £100,000, the fee-free deal often wins.
The Early Repayment Charge Question
If your current deal is a fixed rate with ERCs and you are considering leaving early, the maths matters:
ERC cost = (Remaining balance) × (ERC %)
Typical ERC structure for a 5-year fix:
- Year 1: 5%
- Year 2: 4%
- Year 3: 3%
- Year 4: 2%
- Year 5: 1%
Break-even calculation
If you have £250,000 remaining on a 3.5% fix with 18 months to run, ERC at 2% = £5,000.
New deal at 4.2% looks worse than your current 3.5% fix — so you should stay. But if your current fix is 5.5% and new deals are 4.2%, the saving is:
- Monthly saving: £250,000 × (5.5% − 4.2%) / 12 = £271/month
- Months to recoup £5,000 ERC: £5,000 / £271 = 18.5 months
If you have more than 18.5 months ahead at the current rate, staying put and not paying the ERC makes sense. If fewer than 18.5 months remain (and you'd pay SVR after), paying the ERC to exit now can save money.
Cashback and Incentives
Many lenders offer cashback (£250–£1,000) or free valuations/legal work to attract remortgage business. Factor these into your comparison:
- Free valuation: saves £300–£700 on a standard residential property
- Free legals: saves £500–£1,200 in solicitor fees
- Cashback: direct payment, useful to offset moving costs
A deal with 0.1% higher rate but £1,000 cashback may be worse or better depending on loan size and term — build this into your total-cost comparison, not just the headline rate.
Remortgaging with Changed Circumstances
Since 2021 HMRC and the FCA have tightened affordability criteria. Common complications:
Self-employed: lenders typically want 2–3 years of SA302 tax calculations. If your most recent year was lower than previous years, average income may be used.
Contractor: lenders vary — some use contract day rate × working days, others require payslips from umbrella.
Income reduced: if your salary has dropped since your original mortgage, a full remortgage affordability check may flag issues. Product transfer is less scrutinised.
Buy-to-let remortgage: assessed on rental income coverage (typically 125–145% × mortgage payment at stressed rate of 5.5%+). Higher rates have reduced how much landlords can borrow.
Post-maternity leave: some lenders require return to work for 3+ months; others accept employer letter confirming return date.
Step-by-Step Action Plan
- Find your mortgage expiry date — check your original mortgage offer, your annual statement, or your lender's online portal.
- Get your current LTV — current balance ÷ current property value. Rough value from Zoopla/Rightmove or a formal RICS valuation.
- Check your existing lender's PT rates — available in your online account. Note: lenders often offer better PT rates to customers who enquire than the ones shown online.
- Compare the market — use a whole-of-market broker or comparison sites. A fee-free broker costs nothing and searches lenders direct-only deals too.
- Apply 5–6 months before expiry — lock in a rate. Most product reservations last 3–6 months.
- Monitor rates — if rates fall before completion, ask your broker or lender whether you can switch to a better product (most allow this without cost before you draw down).
- Complete before expiry — your new deal should start the day your current one ends, avoiding any SVR gap.
Frequently asked questions
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