Fixed vs SVT after the April 2026 price cap drop (UK)

The price cap is expected to fall in April 2026. Here’s how to decide whether to stay on your supplier’s Standard Variable Tariff (SVT) or take a fixed deal — with UK-specific caveats, costs and real-number examples.

  • See when a fixed tariff can still be worth it after a cap drop (and when it usually isn’t)
  • Understand how standing charges, payment method and your meter type affect the decision
  • Use our checklist and scenarios to choose with confidence — then compare whole-of-market options
Get your energy quote See the decision checklist

Guidance for UK households only (not business energy). Tariffs, eligibility and exit fees vary by supplier and meter type. Figures are illustrative estimates.

Fast answer: fixed vs SVT after an April 2026 cap drop

If the Energy Price Cap falls in April 2026, SVT rates should usually drop for most households on capped SVTs. That often makes “fixing” less attractive unless the fixed deal is clearly below the new SVT for your exact region, meter type and payment method, or you value budget certainty and can accept potential exit fees.

Staying on SVT tends to suit you if…

  • you want flexibility (no exit fees)
  • you expect further falls within the next cap period
  • you may move home or switch meters soon

A fixed deal may suit you if…

  • it’s genuinely cheaper than your SVT (unit rates + standing charges)
  • you need predictable bills for budgeting
  • you’re happy to commit for 12–24 months

Quick red flags before you fix

  • high exit fees or long terms
  • standing charges higher than SVT
  • deal not available for your meter (e.g., Economy 7) or payment type
Important: The Ofgem price cap limits unit rates and standing charges on default tariffs (like most SVTs) for a “typical” user, not your total bill. Your costs still depend on your usage, region, meter type and how you pay.

Compare fixed deals vs your SVT (whole of market)

Tell us a few details and we’ll help you compare available tariffs for your home. We’ll highlight key differences such as standing charges, exit fees, tariff length and meter compatibility (where supplier data is available).

What to have to hand

  • your postcode (to match regional price cap levels)
  • your meter type (smart / traditional; single-rate or Economy 7)
  • rough annual usage (if you know it) — or a recent bill
Why we ask for postcode: electricity distribution regions have different standing charges and unit rate caps. A deal that looks “cheaper” in headlines can be different once applied to your region.

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What changes after April 2026 (and what doesn’t)

What usually changes: If Ofgem sets a lower cap for April–June 2026, capped SVT unit rates and standing charges should reduce (subject to your region, meter type and payment method).

What doesn’t: A fixed tariff you already have generally stays at the agreed rates until it ends (unless your tariff terms allow specific changes). So if SVT drops, you might end up paying more on an older fixed deal.

Also remember: Many households aren’t on SVT by choice — you may be moved onto it after a fix ends. If your fix ends around April 2026, it’s worth checking what your supplier’s SVT will be and what new fixes are available.

Tip: Compare using both unit rates and standing charges. A deal can have a low unit rate but a high standing charge that outweighs it for low users.

Fixed vs SVT: side-by-side comparison (UK household view)

Use this table as a decision aid. Exact eligibility and terms vary by supplier, region and meter setup.

Feature SVT (price-capped default) Fixed tariff What it means after April 2026
Price movement Changes when the cap updates (typically quarterly) Normally locked for the term If cap falls, SVT can drop quickly; an older fix may not.
Exit fees Usually none Common on 12–24 month fixes If prices fall further after April, exit fees can reduce the benefit of switching.
Standing charges Capped, but still vary by region/meter Can be lower or higher than SVT Low users should check standing charges first — they can dominate the bill.
Budget certainty Less predictable between cap changes More predictable After a drop, some people still fix to lock in affordability.
Meter compatibility Available for most setups Some deals exclude prepay or multi-rate meters Economy 7 / prepay households should filter carefully.

Decision checklist (practical, UK-specific)

Step 1: Compare the right numbers

  • Check electricity unit rate (p/kWh) and standing charge (p/day)
  • Check gas unit rate and standing charge separately
  • Ensure it’s for your payment method (direct debit vs prepay) and meter (single-rate vs Economy 7)

Step 2: Stress-test the choice

  • Could you move home before the fix ends?
  • Would an exit fee stop you switching if prices fall again?
  • Are you likely to change usage (e.g., heat pump, EV, working from home)?

Step 3: Use “break-even” thinking

A fixed deal is only worth taking if the estimated total cost over the period you’ll stay beats SVT by enough to cover trade-offs (exit fees, loss of flexibility). If the difference is marginal, many households prefer SVT flexibility after a cap drop.

Step 4: Sanity-check standing charges

If you’re a low user (e.g., small flat, away often), a slightly higher unit rate may still be cheaper overall if the standing charge is meaningfully lower. This is especially relevant in regions with higher electricity standing charges.

Two realistic scenarios (illustrative numbers, with assumptions)

These examples show how a lower SVT after April 2026 can change the “fix vs SVT” decision. They are estimates and exclude any supplier-specific discounts. Standing charges and unit rates vary by region and tariff.

Scenario A: typical dual-fuel home, wants flexibility

Assumptions
Direct debit; single-rate electricity meter; annual use: 2,700 kWh electricity and 11,500 kWh gas.
Estimated April 2026 SVT (illustrative)
Electricity 22.0p/kWh + 55p/day; Gas 5.5p/kWh + 32p/day.
Estimated annual cost on this SVT
Electricity: (2,700×£0.22)=£594 + (365×£0.55)=£200.75 → £794.75
Gas: (11,500×£0.055)=£632.50 + (365×£0.32)=£116.80 → £749.30
Total: £1,544.05/year
A 12‑month fix offered
Electricity 23.0p/kWh + 60p/day; Gas 5.8p/kWh + 34p/day; exit fee £75 per fuel.
Estimated annual cost on the fix
Electricity: £621 + £219 → £840
Gas: £667 + £124 → £791
Total: £1,631/year (around £87/year more than SVT in this illustration)
What this suggests: After a cap drop, some fixes may be priced above the new SVT. If the fix is higher and has exit fees, SVT is often the safer default.

Scenario B: high user prioritising budget certainty

Assumptions
Direct debit; single-rate meter; annual use: 4,500 kWh electricity and 15,000 kWh gas.
Estimated April 2026 SVT (illustrative)
Electricity 22.0p/kWh + 55p/day; Gas 5.5p/kWh + 32p/day.
A competitive 12‑month fix offered
Electricity 21.0p/kWh + 52p/day; Gas 5.3p/kWh + 30p/day; exit fee £50 per fuel.
Estimated annual cost comparison
SVT electricity: (4,500×£0.22)=£990 + £200.75 → £1,190.75
Fix electricity: (4,500×£0.21)=£945 + (365×£0.52)=£189.80 → £1,134.80
SVT gas: (15,000×£0.055)=£825 + £116.80 → £941.80
Fix gas: (15,000×£0.053)=£795 + (365×£0.30)=£109.50 → £904.50
Estimated saving: £93.25/year vs SVT (before considering risk of future cap falls and any exit fees).
What this suggests: Even after a cap drop, a well-priced fix can still win — especially for higher usage — but check exit fees and whether you’d want to switch again if SVT drops further.

Math notes: annual cost ≈ (unit rate × annual kWh) + (standing charge × 365). VAT is typically included in advertised domestic rates; always confirm on the tariff information label.

Costs, exclusions and common pitfalls (so you don’t get caught out)

After a price cap drop, the biggest “mistakes” usually come from comparing the wrong tariff type, ignoring standing charges, or underestimating how exit fees affect your flexibility.

1) Exit fees can erase the benefit

If you fix and the cap drops again later, you may want to switch — but exit fees (often per fuel) can make that expensive. Always check the tariff’s exit fee amount and rules (e.g., waived in last 49 days before end of term).

2) Standing charge differences matter more than you think

For low usage, standing charges can be a large share of your bill. A fix with a lower unit rate but higher standing charge may still cost more overall.

3) Not all SVTs are the same

Most default domestic SVTs are capped, but your exact rates depend on your region, meter type and payment method. If you’re on a different default tariff type, ask your supplier to confirm what you’re on.

Meter type exclusions (Economy 7, smart, prepay)

  • Economy 7 / multi-rate: compare day and night rates; don’t assume a single “electricity unit rate”.
  • Prepayment: fewer deals, and pricing can differ from direct debit.
  • Smart tariffs: some require a compatible smart meter and half-hourly readings.

Timing pitfalls around April 2026

  • If you switch before the new cap starts, your SVT comparison may be against the old rates.
  • If your fix ends soon, you may be rolled onto SVT automatically — set a reminder to compare.
  • Some suppliers price fixes with a “risk premium” ahead of cap changes; check value, not headlines.
Support if you’re struggling: If you’re worried about paying, contact your supplier early and ask about payment plans and help schemes. Citizens Advice also has step-by-step guidance.

FAQs

Will my SVT automatically get cheaper in April 2026?

If you’re on a price-capped default tariff (SVT) and Ofgem sets lower cap rates for April–June 2026, your supplier should update your unit rates/standing charges around that time. Exact timing can vary. Your total bill depends on how much energy you use.

If the cap drops, does that mean fixed tariffs will drop too?

Not automatically. New fixed deals may become cheaper over time as the market changes, but suppliers set fixed prices commercially. Some fixes may stay above SVT even after a cap drop, particularly if they include a buffer for wholesale price risk.

Is the Ofgem price cap a cap on my total bill?

No. The cap limits the maximum unit rates (p/kWh) and standing charges (p/day) suppliers can charge on default tariffs, for different payment types and regions. If you use more energy than the “typical” assumptions, your bill will be higher.

Do I pay exit fees if I switch from SVT?

SVTs typically have no exit fees. Exit fees are more common on fixed tariffs. If you’re currently fixed, check your tariff’s terms (often shown on your bill or in your online account) before switching.

I’m on Economy 7 — should I avoid fixing?

Not necessarily, but you should be extra careful. Economy 7 pricing includes day and night electricity rates and a standing charge. A fix can be good value if it fits your usage pattern (enough night use), but many comparisons look wrong if they assume a single-rate meter.

Does where I live in the UK change the decision?

Yes. Electricity standing charges and unit rates vary by distribution region (which is not always the same as your local council area). That’s why a tariff that looks competitive nationally may be less so in your postcode.

If I fix now, can I switch again in a few months if prices fall?

You usually can, but you may pay an exit fee. Before fixing, ask: “If SVT drops again, would I want to move — and what would it cost me to leave this tariff?”

Can I switch energy supplier if I’m in debt?

It depends on the type and amount of debt, and whether you’re on prepayment. Some debt can block switching, but there are rules and help available. Start with your supplier, and check Citizens Advice guidance if you’re unsure.

Trust, methodology and sources

Editorial details

Written by
EnergyPlus Editorial Team
Reviewed by
Energy Specialist
Last updated
February 2026

How we assess “fixed vs SVT”

We focus on what changes for UK households when the price cap moves:

  • Price comparison: unit rates + standing charges (electricity and gas separately)
  • Household fit: meter type (single-rate/Economy 7), payment method (direct debit/prepay), likely tenure length
  • Risk & flexibility: exit fees, term length, and the possibility of further cap changes

Assumptions and limitations (important)

  • Illustrative rates: Scenario numbers use example unit rates/standing charges to show the maths. They are not predictions and will not match every region or supplier.
  • Regional variation: Ofgem cap levels vary by electricity distribution region; standing charges can differ materially.
  • Personal usage: Bills depend on how much energy you use and when (especially Economy 7 and smart tariffs).
  • Eligibility: Not all tariffs are available to all customers (metering, credit checks, debt status, prepayment restrictions).
  • Market movement: Wholesale prices and policy costs can change; future caps are not guaranteed to fall.

Sources (UK)

We also cross-check supplier tariff information labels (TILs) where available when describing exit fees, standing charges and eligibility terms.

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Updated on 21 Apr 2026