Cheapest fixed energy tariff deals after the price cap cut

Compare whole-of-market fixed energy tariffs for your home and see today’s best-value deals after the latest Ofgem price cap update. Check estimated costs, contract length and exit fees—then switch in minutes.

  • Whole-of-market comparison (not tied to one supplier)
  • See fixed deals that can beat the new price cap for your usage
  • Filter by term length, exit fees and payment method
  • Quick form—get tailored results for your postcode

Estimates are based on the details you enter. The Ofgem price cap is a limit on unit rates and standing charges—not a cap on your total bill.

Find the cheapest fixed energy tariff for your home

After a price cap cut, fixed tariffs can become particularly competitive—especially if suppliers price fixed deals to win customers quickly. But “cheapest” depends on your usage, region, and whether you pay by Direct Debit.

Use the form to compare whole-of-market fixed deals available in your area. We’ll show you options with transparent pricing so you can choose based on what matters most: lowest estimated annual cost, stable rates, or flexibility.

Good to know

  • The Ofgem price cap applies to standard variable tariffs (SVTs), not fixed deals.
  • A fixed tariff can still be cheaper than the cap if the unit rates and standing charges are lower for your region.
  • Always check exit fees and the fix end date before you switch.

Get fixed tariff prices for your postcode

Read before you switch

Home energy only. Switching won’t affect your electricity or gas supply—just who bills you.

What the price cap cut means for fixed energy deals

When Ofgem reduces the energy price cap, the maximum unit rates and standing charges suppliers can charge customers on standard variable tariffs (SVTs) typically fall. That often triggers a wider market response: some suppliers lower fixed prices too, while others may hold back depending on wholesale costs and demand.

The key point: the price cap is not “the cheapest price”. It’s a regulated ceiling on SVT pricing. The cheapest fixed tariff after a cap cut is the one that gives you the lowest estimated annual cost based on your consumption and tariff structure—while still matching your preference for stability and flexibility.

Price cap = SVT protection

If you’re on a default tariff, the cap limits what you’ll pay per unit and per day (standing charge), within your region.

Fixed deals can undercut it

A fixed tariff can still be cheaper than the new cap—especially if suppliers compete for switchers.

Your bill isn’t capped

Total cost depends on how much energy your household uses. Lower rates help, but usage matters most.

Why a fixed energy tariff may be the right move after a cap cut

A price cap cut can make SVTs cheaper, but it can also make fixed deals more attractive if suppliers reduce rates to stay competitive. Fixing is about balancing cost and certainty.

Reasons to consider fixing

  • Budgeting: unit rates stay the same for the term of your fix.
  • Potential savings: some fixed deals beat SVT pricing in your area.
  • Peace of mind: avoids sudden price rises during the contract.
  • Choice: you can pick the fix length that matches your plans.

When staying on SVT could suit you

  • Flexibility: you can usually leave without exit fees.
  • Falling market: if prices drop further, SVT rates may fall at the next cap update.
  • Short-term plans: moving home soon or switching to a different meter setup.
  • Zero-exit preference: you don’t want the risk of exit fees.

EnergyPlus helps you compare both approaches, but this page focuses on finding the cheapest fixed tariff deals available now—with the important “fine print” (standing charge, unit rates, term, and exit fees) clearly shown.

How to spot the cheapest fixed energy deal (without getting caught out)

A cheap headline rate doesn’t always mean a cheaper bill. Use this checklist to compare fixed tariffs properly—especially after a price cap cut, when pricing can shift quickly.

  1. Start with your region: standing charges and unit rates vary by area. Always compare deals for your postcode.
  2. Compare by estimated annual cost: this combines standing charges and unit rates with your usage. It’s usually the most practical “cheapest” metric.
  3. Check the fix length: 12 months, 18 months and 24 months can price differently. “Cheapest” today may not be best for your timeline.
  4. Look for exit fees: if prices fall again later, an exit fee can limit your ability to switch.
  5. Confirm payment method: Direct Debit tariffs often differ from prepay or cash/cheque.
  6. Check tariff features: paperless billing requirements, smart meter preferences, and customer service factors may matter as much as price.

Quick tip for “cheapest fixed deal” searches

If two tariffs look similar, the standing charge can be the difference—especially for low-usage households or smaller flats. For higher usage homes, the unit rate often matters more.

What we compare on EnergyPlus

Cost & rates

Estimated annual cost, unit rates (kWh) and standing charges (per day).

Contract terms

Tariff length, end date, exit fees and whether the tariff is fixed or variable.

Practical fit

Direct Debit vs prepay options, meter suitability, and supplier availability in your area.

Fixed tariffs vs SVT vs tracker: what’s actually “cheapest”?

To choose confidently, it helps to know what you’re comparing. The table below summarises the main home energy tariff types you’ll see in UK comparisons.

Tariff type How pricing works Potential advantages Watch-outs
Fixed Unit rates and standing charges are fixed for a set term (e.g. 12 months). Predictable rates; can beat SVT after a cap cut if priced competitively. Exit fees may apply; if rates fall later, you could pay more than new deals.
Standard variable (SVT) Prices can change; covered by the Ofgem price cap for most customers. Usually no exit fees; rates may fall at the next cap change. Less price certainty; often not the cheapest option long-term.
Tracker Rate “tracks” an index (e.g. market rates) and can move frequently. Could be cheaper if wholesale prices fall; more transparent price movement. More volatile; not ideal if you need stable monthly budgeting.

If your priority is the cheapest fixed tariff, focus on fixed deals that combine a competitive unit rate with a reasonable standing charge and manageable exit fees.

How savings are calculated (and why your postcode matters)

Two households can see very different “cheapest” results even with the same supplier, because energy costs vary by region and consumption profile. A proper comparison uses:

  • Unit rates: pence per kWh for gas and electricity.
  • Standing charges: daily fixed cost for being connected.
  • Your usage: the kWh you use over a year (or an estimate based on household size).
  • Payment type: Direct Debit, prepay, or other.

Low usage vs high usage

If you use less energy (for example, a one-bedroom flat), a low standing charge can make a bigger difference. If you use more (for example, a larger family home), a lower unit rate typically has a greater impact.

That’s why we recommend comparing by estimated annual cost, not just the cheapest unit rate headline.

Regional differences

Standing charges and unit rates differ across the UK because of network costs and distribution regions. The “cheapest fixed tariff” in one area may not be the cheapest in another.

Enter your postcode in the comparison form to see accurate local pricing.

Common mistakes when switching after a price cap cut

Comparing unit rates only

A tariff with a low unit rate but high standing charge may cost more overall, especially for low usage homes.

Ignoring exit fees

If you’re likely to move or switch again, exit fees can reduce (or wipe out) the savings from fixing.

Assuming the cap is “best”

The cap is a consumer protection mechanism. Competitive fixed deals can be cheaper, depending on your situation.

Cheapest fixed energy tariff FAQs (UK)

Is a fixed tariff always cheaper after a price cap cut?

Not always. A cap cut reduces SVT prices, which can narrow the gap. The cheapest option depends on your regional rates, usage, and the fixed deals available at the time you compare.

Will my supply be interrupted if I switch?

No. Your gas and electricity still come through the same pipes and wires. Switching changes the supplier that bills you. You’ll usually just provide meter readings around the switch date.

Can I switch if I have a smart meter?

In most cases, yes. Some smart meters may temporarily operate in “dumb” mode with a new supplier, but you can still switch and be billed accurately.

Do fixed tariffs have exit fees?

Many do, but not all. Exit fees vary by supplier and tariff. We recommend checking the tariff details before switching—especially if you might move home or switch again.

What details do I need to compare accurately?

A postcode is essential. If you have them, your annual kWh usage for gas and electricity makes results more accurate. If not, you can still compare using estimates based on typical household usage.

Is EnergyPlus a supplier?

No. EnergyPlus is a comparison service. We help UK households compare whole-of-market home energy tariffs so you can choose a deal that fits your budget and preferences.

Why households use EnergyPlus to compare fixed tariffs

“The results were easy to compare—especially the standing charges and exit fees. We found a fixed deal that made budgeting simpler.”

— Sam, Manchester

“After the price cap changed, I wasn’t sure whether to fix. The comparison helped me understand my options based on my postcode.”

— Priya, Birmingham

“Quick form, clear breakdown. I could see which tariffs were genuinely cheaper for my usage rather than just a headline rate.”

— Helen, Glasgow

Trust indicators

  • Whole-of-market comparison approach
  • Transparent tariff details (rates, standing charges, term and exit fees)
  • UK home energy focus (not business)

Ready to check the cheapest fixed deals in your area?

Compare fixed energy tariffs after the price cap cut, tailored to your postcode and payment type. Get a clear view of estimated costs, term length and exit fees—then switch when you’re ready.

Tip: have a recent bill handy for the most accurate results (annual kWh), but you can still compare without it.

What you’ll need

  • Your postcode
  • Fuel type (dual fuel, gas only or electricity only)
  • Preferred payment method
  • Email to receive your results

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Updated on 19 Dec 2025