April 2026 energy bill changes: which tariff should you switch to?

A practical UK guide to choosing between fixed and variable tariffs after April 2026 changes — with scenarios, a decision table, and a quote form you can complete in minutes.

  • Best for most households: compare a competitive fixed tariff against the current price cap (SVT)
  • Check exit fees, meter type, and payment method before you switch
  • We explain how to estimate costs using unit rates, standing charges, and your annual usage
Get your energy quote How to choose the right tariff

Estimates only. Tariffs, eligibility and exit fees vary by supplier, payment type, meter and region. Always check your current tariff’s terms before switching.

Fast answer: fixed vs variable after April 2026

In April 2026, many households will see bills change because electricity and gas prices and allowances used in the Ofgem price cap are updated quarterly. You can’t switch “to the price cap” — it applies to standard variable tariffs (SVTs). Your choice is usually between staying on an SVT (price-capped) or moving to a fixed tariff (not price-capped, but price-stable for the fix term).

Most people should

Compare a competitive fixed against your current SVT using your region, meter type and payment method. Pick the lowest estimated annual cost that fits your risk tolerance and terms.

Fixing can suit you if

You want predictable payments for 12–24 months, you’d rather avoid future price-cap rises, and you’re comfortable with possible exit fees.

Staying on SVT can suit you if

You want flexibility, expect prices to fall, might move home soon, or want to avoid being locked into a tariff with fees.

Key caveat: The “best” tariff depends on your usage (kWh), your regional standing charge, payment method (direct debit vs pay on receipt/prepay), and whether you have a smart meter or Economy 7. Two homes on the same street can get different quotes.

Compare tariffs for April 2026 — using your details

If you’re unsure what to do after April 2026 changes, the quickest way to decide is to run a whole-of-market comparison using your postcode and contact details. We’ll show options that match your meter and payment preferences (where available) and help you understand the trade-offs.

What to have ready

  • Your postcode
  • Rough annual usage (or last bill)
  • Meter type (smart / traditional, Economy 7, prepay)
  • Whether you might move in the next 12 months

What to check before switching

  • Exit fees on your current tariff (if fixed)
  • Any debt on the meter (especially prepay)
  • Whether the tariff supports your meter set-up
  • Warm Home Discount / priority services needs

Tenants: you can usually switch if you pay the energy bills and your tenancy agreement doesn’t include energy in the rent. If you’re unsure, check your tenancy paperwork or ask your landlord/agent.

Get your energy quote

Fill in the form and we’ll use your postcode to match tariffs available in your area. We’ll contact you with your comparison results and next steps.

Used to find tariffs and standing charges for your region.

So we can confirm details and share your options.

No guarantee of savings. Quotes depend on your meter, usage and supplier availability.

Privacy note: We’ll use your details to provide your comparison and support your switch. If you prefer not to be contacted by phone, include that preference when we reach out.

How to choose a tariff after the April 2026 changes

Tariffs can look similar but behave differently when prices change. Use this decision process to narrow down what to compare.

1) Work out your “must-haves”

  • Electricity-only, gas-only, or dual fuel
  • Smart / traditional / Economy 7 / prepay
  • Direct debit vs pay on receipt (availability varies)

2) Choose your risk level

  • Fixed: stable rates for a term
  • SVT (price-capped): flexible, can move up/down each cap period
  • Tracker/time-of-use: can be volatile (not for everyone)

3) Compare on total annual cost

  • Unit rate (p/kWh) for electricity and gas
  • Standing charge (p/day) for each fuel
  • Any discounts/credits and their conditions

Two realistic scenarios (with numbers)

These examples show how to think about the maths. They are illustrative estimates using simplified rates and typical consumption assumptions. Your actual quote will differ by region and supplier.

Scenario A: Medium-use dual fuel household (direct debit)
  • Assumed annual use: 2,700 kWh electricity + 11,500 kWh gas
  • Example SVT (price-capped) rates: Elec 26.0p/kWh + 55p/day; Gas 6.5p/kWh + 32p/day
  • Estimated annual cost:
    • Electricity: (2,700×£0.26)=£702 + (365×£0.55)=£200.75 ? £902.75
    • Gas: (11,500×£0.065)=£747.50 + (365×£0.32)=£116.80 ? £864.30
    • Total: ~£1,767/year
  • If a 12-month fixed came in at ~5% less on your rates overall, the estimated total could be ~£1,679/year — but check exit fees and what happens after the fix ends.
Scenario B: Low-use electricity-only flat (possible move in 6–9 months)
  • Assumed annual use: 1,600 kWh electricity
  • Example fixed tariff: 25.0p/kWh + 60p/day with a £75 exit fee
  • Estimated annual cost: (1,600×£0.25)=£400 + (365×£0.60)=£219 ? £619/year
  • If you move early and pay an exit fee, effective cost could rise. Example: leaving halfway ? £309.50 (half-year energy+standing) + £75 exit fee ˜ £384.50 for ~6 months, which may or may not beat a no-fee SVT depending on cap rates at the time.

What actually changes in April 2026?

April is one of the quarters where Ofgem updates the price cap level (April–June). Your SVT prices can change at that point. Fixed tariffs won’t follow the cap during the fixed term.

  • SVT customers: unit rates and standing charges may rise or fall in April (depending on the cap update for your region and payment method).
  • Fixed customers: rates stay the same until the fix ends (unless your contract terms change), but you could miss out if market prices fall.
  • Standing charges: can materially affect low-use households. Always compare totals, not just unit rates.
  • Prepayment meters: have their own cap levels and tariff availability can be more limited.

Important: Headlines about the price cap are averages. Your actual costs depend on how much energy you use and the rates in your region.

Tariff comparison: what to switch to (and when)

Use this table to decide what to prioritise. Then compare real quotes for your postcode to confirm the numbers.

Tariff type What it is Best for Watch-outs April 2026 angle
Fixed (12–24m) Unit rates and standing charges fixed for a term. People who want stability and are happy to commit. Exit fees, moving home, credit checks, tariff ends (rolls to SVT). Can protect you if the cap rises in April, but may be above SVT if the cap falls.
SVT (price-capped) Default variable tariff; rates can change with the cap (and supplier adjustments). Those who want flexibility and no lock-in. Can change each cap period; may not be the cheapest. April update could change your rate. Useful benchmark to beat with a fix.
Tracker Rates track a market index (often daily/weekly). Risk-tolerant households who monitor prices. Volatility; can spike; terms vary; not always available. Not directly tied to the cap; April may not matter, market does.
Time-of-use (e.g. smart tariffs) Different unit rates at different times (off-peak vs peak). EV owners, shiftable usage, some heat pump users. Needs a smart meter; peak rates can be high; usage patterns matter. April cap may not reflect your real cost if you use lots at peak times.

Decision checklist (quick)

  • Do you expect to move? If yes, avoid high exit fees or long fixes.
  • Is your usage low? Standing charges matter more; compare totals carefully.
  • Do you have Economy 7? Check day/night split rates and your real consumption pattern.
  • Prepay? Confirm tariff availability and whether a switch requires a smart prepay meter.
  • Want certainty? Prefer fixed; if you want flexibility, SVT may suit.

Who a fixed tariff suits / doesn’t suit

Suits you if…

  • You budget monthly and prefer predictability
  • You can commit to the term
  • You’ve checked exit fees and end-date

May not suit you if…

  • You might move or change tenancy soon
  • You’d struggle to pay an exit fee
  • You want to benefit quickly if prices drop

Costs, exclusions and common pitfalls (April 2026 switching)

A “cheaper rate” isn’t always a cheaper bill. These are the most common reasons people switch and then feel disappointed.

1) Exit fees and end dates

Fixed tariffs often have exit fees per fuel. Also check when your fix ends — many households roll onto an SVT afterwards unless they switch again.

2) Standing charges dominating low use

If you use less energy (small flat, away often), standing charges can be a big part of your bill. Compare estimated annual totals, not just p/kWh.

3) Payment method differences

Direct debit tariffs can price differently from pay-on-receipt, and prepayment is separate. Make sure you’re comparing like-for-like for your situation.

4) Economy 7 mismatches

If you have Economy 7 but most of your usage is daytime, a tariff that looks good on night rates may cost more overall.

5) Smart meter & tariff eligibility

Some smart/time-of-use tariffs require a working smart meter and half-hourly readings. If your meter isn’t compatible, the tariff may not be available.

6) Switching timeline expectations

Switching typically takes days to weeks. You can usually choose a start date, but it’s not always instant — especially if meter details need correcting.

If you’re in debt to your current supplier: switching may still be possible, but there can be restrictions (particularly for prepayment). It’s worth checking supplier rules and getting advice if you’re worried about arrears.

FAQs

What are the April 2026 “energy bill changes”?

April is a scheduled quarter when the Ofgem price cap level can change (for SVTs and default tariffs). If you’re on an SVT, your unit rates and standing charges may change around that time. Fixed tariffs don’t move with the cap during the fix term.

Is the price cap the maximum I can pay?

No. The cap limits the unit rate and standing charge on default tariffs, not your total bill. If you use more energy, you’ll pay more.

Should I switch before April 2026 or wait?

It depends on the fixed tariffs available to you now versus the SVT you’re on. If a fix beats your SVT on estimated annual cost (and the terms suit you), switching sooner can lock in rates. If you expect prices to fall and you want flexibility, waiting on SVT may suit — but it’s a risk either way.

Can I switch if I have a prepayment meter?

Often yes, but your options may be more limited. Some tariffs require a smart prepay set-up, and switching can be restricted if you have arrears. Compare what’s available for your meter type and ask for help if you’re unsure.

Will switching affect my Warm Home Discount or Priority Services?

Priority Services Register support should be available across suppliers, but you may need to re-register after switching. Warm Home Discount rules can vary by scheme year and eligibility. Always confirm with your supplier if you rely on specific support.

What if my supplier goes bust after I switch?

In the UK, Ofgem’s Supplier of Last Resort process moves customers to a new supplier. Credit balances are typically protected, but timelines can vary. Keep records (meter reads, account screenshots) when you switch.

Do I need to give meter readings when switching?

Usually yes (unless your smart meter provides them). Accurate opening/closing reads help prevent billing disputes between your old and new supplier.

How do I compare tariffs fairly?

Use your annual kWh usage (from bills or a smart meter app), compare unit rates + standing charges, and check terms (exit fees, length, what happens at the end). If you don’t know your usage, use a realistic estimate and treat results as indicative.

Trust, methodology and sources

Article details

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

How we assess “what tariff should I switch to?”

We focus on what actually changes your bill: unit rates, standing charges, term length, exit fees, payment method, and meter compatibility. We recommend comparing tariffs using an estimated annual cost based on your usage rather than relying on headline cap figures.

  • Assumptions in our examples: Illustrative rates and standing charges only; typical consumption figures used for scenario maths; VAT at 5% is not separately itemised in the scenario breakdowns.
  • Limitations: Regional rates vary; some tariffs are restricted by credit checks, meter type (e.g. Economy 7, smart), and payment method; supplier availability changes.
  • What we don’t do: We don’t promise savings, and we don’t assume the price cap will move up or down in April 2026.

Editorial intent: This page is guidance, not financial advice. Always read tariff terms and your current contract before you switch.

Sources (UK)

Ready to choose a tariff for April 2026?

Get a whole-of-market comparison for your postcode and meter type. We’ll show options and explain key terms like exit fees and standing charges.

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Updated on 3 Apr 2026