What is a ‘price freeze’ energy tariff in the UK?

A ‘price freeze’ (fixed) energy tariff locks in your unit rates (pence per kWh) and usually the standing charge for a set period (e.g., 12–24 months). Your bill can still change if your usage changes, but the tariff rates remain fixed for the term.

Are price freeze tariffs worth it right now in the UK?

They can be worth it if the fixed rates you’re offered are competitive versus the current Price Cap (or your existing tariff) and you value bill certainty. They’re less attractive if the fixed rates are significantly higher than today’s market or if you expect prices to fall and you want flexibility.

What are the main pros of a price freeze (fixed) tariff?

Key benefits include: predictable rates for budgeting, protection from price rises during the fixed term, and reduced hassle from frequent tariff changes. Fixed tariffs can also be useful for households with high electricity use (including EV charging) who want more certainty over running costs.

What are the main cons or risks of a price freeze tariff?

The biggest risk is locking in at a higher rate if market prices fall. Many fixed tariffs also have exit fees if you leave before the end date. You should also check whether the standing charge is fixed and confirm the tariff end date and what you’ll roll onto afterwards.

Do price freeze tariffs usually have exit fees in the UK?

Often, yes—especially on fixed deals. Exit fees vary by supplier and may apply per fuel (electricity and gas). Always check the tariff’s terms and conditions and compare any exit fee to the potential savings of switching.

How can I tell if a fixed tariff is good value?

Compare the unit rate and standing charge to your current tariff and estimate your annual cost using your typical kWh usage. If you have (or plan) an EV, factor in your overnight charging needs too. A good value fixed tariff is usually one where the all-in annual cost is lower (or only slightly higher) than alternatives, with the added benefit of price certainty.

If I charge an EV at home, should I choose a fixed tariff or an EV tariff?

It depends on your charging pattern. EV tariffs often offer cheaper off-peak electricity (ideal for overnight charging) but may have higher peak rates. A fixed tariff can be simpler and more predictable. If most of your charging happens off-peak, an EV tariff can reduce your cost per mile—especially when paired with a smart EV charger that schedules charging automatically.

Do fixed tariffs protect me from Ofgem Price Cap changes?

Yes. The Ofgem Price Cap affects standard variable tariffs (SVTs). A fixed ‘price freeze’ tariff keeps your agreed unit rates and standing charge for the fixed term, regardless of cap changes (unless your contract states otherwise).

Can I switch from a fixed tariff if prices drop?

You can usually switch, but you may need to pay an exit fee if you leave before the contract ends. If prices drop significantly, it can still be worth switching—compare the exit fee against the savings you’d make over the remaining months.

What’s the best next step if I want to reduce EV charging costs at home?

Combine an energy tariff that suits your usage (often with strong off-peak rates for EV drivers) with a smart EV charger so you can schedule charging during cheaper hours. Explore home charging options here: https://www.energyplus.co.uk/ev-charger/

Are ‘price freeze’ energy tariffs worth it in the UK right now?

A practical guide to fixed (often marketed as “price freeze”) tariffs vs the standard variable tariff (SVT) under the Ofgem price cap — with UK-specific caveats, costs and real-world examples.

Quick test: when a “freeze” can protect you — and when it can cost more
What to check: unit rates, standing charges, exit fees, meter type and payment method
Two realistic scenarios with numbers (and the assumptions behind them)

Get your energy quote See if a freeze suits you

Figures are illustrative and use typical UK consumption examples. Tariffs, eligibility and fees vary by supplier, region, meter and payment method.

Fast answer: a “price freeze” can be worth it — but only if the rates are competitive

In the UK, most “price freeze” tariffs are simply fixed-rate tariffs. They can make sense if the unit rates and standing charges are close to (or below) what you’d otherwise pay on the Standard Variable Tariff (SVT) and you value bill certainty. They’re often poor value if the supplier builds in a premium, or if you’re likely to switch again soon and the tariff has exit fees.

When it’s more likely to be worth it

The fixed tariff is near the SVT (or cheaper) for your region and payment method
You want predictable monthly Direct Debits over the fix period
You prefer avoiding the risk of SVT increases (e.g. future price cap rises)
You’re confident you’ll stay put and the tariff has low/no exit fees

When it’s usually not worth it

The “freeze” is priced well above SVT (you’re paying for certainty)
It has exit fees and you may move home, change meter, or switch soon
You’re on a prepayment meter and the deal is only for Direct Debit customers
You have (or need) special tariffs (e.g. Economy 7, smart TOU tariffs) and the fixed deal doesn’t match your usage pattern

Important: A “price freeze” does not freeze your bill. It freezes the rates (unit rate and standing charge) for the fixed period. Your bill still changes with your usage, and some suppliers can change certain non-energy elements (for example, if VAT rules change).

Compare “price freeze” tariffs against the best alternatives

The only reliable way to judge a freeze is to compare your likely annual cost on a fixed tariff versus your current SVT (or your current fixed deal) using your postcode, meter type, payment method and usage.

What “whole-of-market” means here

We aim to help you compare across a broad panel of UK suppliers and tariff types available to households, including fixed and variable options. Availability can vary by region, meter and supplier participation.

What you should have ready

Postcode (for regional rates)
Whether you pay by Direct Debit or prepayment
Single-rate or Economy 7 meter
Your latest bill (optional, but helps accuracy)

Editor’s caveat: Some “freeze” deals advertise a headline monthly cost. Always verify the underlying p/kWh unit rates and standing charge for your region — those are what determine your bill.

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We’ll use your postcode and details to show suitable household tariffs. No pressure to switch.

How to decide if a price freeze is right for you

Ignore the marketing label and focus on the numbers and terms. Use this order of checks to avoid the most common UK gotchas.

Compare the unit rates (p/kWh) and standing charge (p/day) for your region, not the headline “monthly cost”.
Check the fix length and exit fees. If you might move, change meter, or want to switch again soon, exit fees matter.
Confirm eligibility: Direct Debit vs prepayment, smart meter requirements, Economy 7 compatibility, credit checks (where applicable).
Look at how you use energy: high daytime use, storage heaters, EV charging, working from home — different patterns suit different tariffs.
Understand SVT risk: SVT rates can change when the price cap changes. A fix trades potential future falls for protection against rises.

Decision shortcut (30 seconds)

If the fixed tariff is within ~1–3% of SVT: It can be reasonable if you value stability and the exit fees are low.
If it’s clearly higher than SVT: Treat it as paying extra for insurance. Only consider if you strongly prefer certainty or expect future rises.

Two realistic scenarios (illustrative numbers)

These examples show how the same “freeze” can help or hinder depending on rates and fees. They are estimated and exclude one-off debt adjustments.

Scenario A: Stability without overpaying

Typical dual fuel use: 2,700 kWh elec + 11,500 kWh gas
Your SVT estimated annual cost: £1,650
Fixed “freeze” estimated annual cost: £1,670
Exit fee: £0

Takeaway: Paying ~£20/year for predictability may be worth it if you want budgeting certainty.

Scenario B: “Freeze” looks safe, costs more

Same typical use as above
Your SVT estimated annual cost: £1,650
Fixed “freeze” estimated annual cost: £1,820
Exit fee: £150 (if you switch before end)

Takeaway: You could overpay ~£170/year — and the exit fee makes it harder to switch if better deals appear.

Assumptions used above: Typical consumption (Ofgem TDCVs), dual fuel, and example annual costs to demonstrate decision-making. Your actual bill depends on exact regional rates, standing charges, usage and any discounts.

Fixed “price freeze” vs SVT: what you’re really choosing

Use this as a plain-English comparison. Exact terms vary by supplier, so always confirm the tariff information label / tariff details before switching.

Feature	Fixed (“price freeze”) tariff	Standard Variable Tariff (SVT)
Rates change?	Usually fixed for the contract term (unit rate + standing charge), subject to T&Cs.	Can change when the Ofgem price cap changes or supplier prices change.
Budget certainty	Higher (rates stable; bills still depend on usage).	Lower (rates can rise or fall).
Exit fees	Common (especially 12–24 month fixes). Amounts vary.	Usually none.
Who it suits	People who want predictability and a competitive fixed rate, and are likely to stay for the term.	People who want flexibility, no exit fees, or expect rates to fall and prefer not to pay a premium.
Key risk	If SVT drops or better fixes appear, you may be locked in (or pay to leave).	If SVT rises, your bills can rise quickly.

Checklist: what to check on any “freeze” offer

Electricity unit rate (p/kWh) and standing charge (p/day)
Gas unit rate and standing charge (if dual fuel)
Tariff end date and what happens afterwards (often reverts to SVT)
Exit fees (per fuel) and any switching restrictions
Payment method (Direct Debit vs cash/cheque vs prepayment)
Meter type (single rate / Economy 7 / smart requirements)
Any discounts and whether they can be removed

Quick ways to sanity-check the pricing

Compare estimated annual cost using your own usage if possible (from your bill or app).
If you don’t know usage, use Ofgem typical domestic consumption values as a starting point.
Check if the standing charge is unusually high — it can reduce the benefit for low users.
If you have Economy 7, compare day/night split assumptions (small differences can change the result).

Tip for renters: You can usually switch supplier as long as you pay the bills, but tell your landlord/agent and keep meter readings/photos on move-in/out.

Costs, exclusions and common pitfalls (UK)

Most disappointment with “price freeze” tariffs comes from hidden constraints. These are the checks that prevent nasty surprises.

1) Exit fees can erase any benefit

A tariff that’s slightly cheaper today can become poor value if you later find a better deal but face a per-fuel exit fee. Always check the fee amount and whether it reduces near the end of the fix.

2) Payment method differences (Direct Debit vs prepay)

Many fixed deals assume monthly Direct Debit. If you use a prepayment meter or pay on receipt of bill, your available tariffs and rates may be different.

3) Standing charge surprises (especially for low use)

A “competitive” unit rate can be offset by a higher standing charge. If you’re out a lot, have a small flat, or are very energy efficient, standing charges can dominate your bill.

4) Economy 7 and smart time-of-use mismatches

If you have storage heaters or an Economy 7 meter, check day and night rates carefully. For EV owners, a fixed “freeze” may be worse than an EV-friendly time-of-use tariff if you charge mostly overnight.

5) “Freeze” length vs your life plans

If you might move home within 12 months, choose flexibility first. A longer fix can still be fine, but only if exit fees are modest and you’re comfortable with the commitment.

What a “price freeze” is not

Not a guarantee your bills won’t change (usage changes bills)
Not the same as the Ofgem price cap (which limits SVT rates, not fixed deals)
Not always the cheapest option available to you

If you’re in debt to your current supplier: you may still be able to switch, but rules can differ for electricity vs gas and for prepayment meters. Check with your supplier and get independent guidance if needed.

FAQs: price freeze tariffs in the UK

Is a “price freeze” the same as a fixed tariff?

Usually, yes. In UK household energy, “price freeze” is commonly marketing language for a fixed tariff where the unit rate and standing charge stay the same for an agreed period, subject to the supplier’s terms.

Does the Ofgem price cap protect me on a fixed tariff?

The Ofgem price cap applies to default/SVT and some other capped tariffs — not to most fixed deals. A fixed tariff can be above or below the capped SVT level.

Can my supplier change prices during a “freeze”?

Typically the energy unit rate and standing charge are fixed for the term, but read the tariff terms for exceptions (for example, changes due to law/tax). Your bill can still change if your usage changes.

Will I pay an exit fee if I switch away?

Many fixed tariffs include exit fees (often per fuel). Always check the amount and whether it applies throughout the fix. SVT tariffs usually don’t charge exit fees.

I have a prepayment meter — can I get a “price freeze” deal?

Sometimes, but the range can be smaller and the rates can differ. Some suppliers restrict certain fixed tariffs to Direct Debit customers. It’s best to compare using your exact meter and payment type.

What if I’m moving home during the fixed period?

You may be able to take the tariff with you, but it depends on whether the supplier serves the new address and the meter type matches. If not, you may have to end the contract and could face exit fees.

Do “freeze” tariffs include green electricity?

Some do, some don’t, and definitions vary (for example, renewable-backed via certificates). If “green” is important to you, check the supplier’s fuel mix disclosure and tariff details rather than relying on a badge.

How quickly can I switch in the UK?

Switching times vary, but many switches complete within a few working days under the faster switching programme. Timing can depend on meter type, account checks and any issues with your details.

Trust, methodology and sources

Page details

Written by:: EnergyPlus Editorial Team
Reviewed by:: Energy Specialist
Last updated:: April 2026

How we assess whether a price freeze is “worth it”

We evaluate fixed (“price freeze”) tariffs using a consumer-first approach:

Total estimated annual cost for a household, based on unit rates + standing charges and either your usage (best) or typical usage values (fallback).
Risk trade-off: what you gain (rate certainty) versus what you give up (ability to benefit from future falls and flexibility to switch).
Terms that change outcomes: exit fees, end-of-fix reversion to SVT, eligibility restrictions (Direct Debit/prepay), meter type (single rate/Economy 7/smart).
Practical fit: moving plans, likelihood of switching, and whether your usage pattern aligns with the tariff structure.

Limitations: We can’t predict future wholesale prices or future Ofgem cap levels. Any “worth it” judgement is based on today’s published tariff details and your personal preference for certainty vs flexibility.

UK sources we rely on (for definitions and consumer rights)

Ready to check if a “price freeze” is actually good value for you?

Compare fixed and variable household tariffs using your postcode, meter and payment method — with the key fees and terms shown clearly.

Get your energy quote Re-check the comparison table

Reminder: Always review the tariff information and any exit fees before you switch. If you’re unsure, compare first — switching is optional.

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Updated on 7 Apr 2026