Cheapest Fixed Energy Tariff UK This Week (August 2026)
Best dual-fuel fixes available now vs the confirmed £1,663 July 2026 Ofgem cap - switch this week to beat the rise.
This Week's Best Illustrative Fixed Tariffs (Week of 15 June 2026)
The table below shows illustrative annual costs for typical UK usage (2,500 kWh electricity, 9,500 kWh gas per year, paying by direct debit). Prices are for comparison only - your actual cost depends on your usage and region. Always confirm the live rate directly with the supplier before switching.
| Supplier | Tariff | Term | Illustrative Annual Cost | vs current cap (£1,663) |
|---|---|---|---|---|
| Ofgem Price Cap (August 2026) | SVT (variable) | Quarterly | £1,663/yr | Benchmark |
Illustrative costs only. Actual unit rates vary by region and meter type. Verify live prices before switching. Exit fees may apply on some fixed deals.
Find this week's cheapest fixed deal
Enter your details below and our partners will show you the live fixed tariffs available in your area this week - updated daily.
Why Switching This Week Matters
With the July 2026 Ofgem cap confirmed at £1,663/yr - about 13.5% higher like-for-like than the £1,641 April–June headline - the next two weeks are a genuinely narrow window. Here is why acting now is worth it:
Lock in before 1 July
A switch takes around five working days under the Switch Guarantee. Starting before 20 June gives you the best chance of completing under the current cap.
Fixes are below the cap
The best illustrative fixes this week sit roughly £230-£260 below the current cap level. For a typical household that is a meaningful saving over 12 months.
Budget certainty
A fixed tariff freezes your unit rates for the deal term regardless of future cap changes. Variable bills can move up or down every quarter.
14-day cooling-off
Changed your mind? You have a 14-day cooling-off period from the date you agree the new tariff, so there is no lasting risk in starting a comparison today.
Around 22 million accounts (roughly 40% of UK households) are already on fixed deals and unaffected by the current cap rise. If you are currently on a standard variable tariff, you will automatically move to the new higher cap rate from 1 July unless you switch.
What the July 2026 Ofgem Cap Actually Means
The Ofgem price cap does not cap your total bill - it caps the unit rate and standing charge that suppliers can charge customers on a default (variable) tariff. The cap for a typical dual-fuel household paying by direct debit is £1,663/yr, announced by Ofgem.
The new current cap unit rates are:
| Fuel | Unit Rate (from 1 Jul 2026) | Standing Charge (from 1 Jul 2026) | Change vs Apr cap |
|---|---|---|---|
| Electricity | 26.11p/kWh | 57.19p/day | +~5% |
| Gas | 7.33p/kWh | 29.04p/day | +~24% |
Gas sees the larger proportional rise (+24%) because wholesale gas costs have climbed more sharply. If your home is gas-heavy (for instance, if you heat with gas and have an older boiler), the impact on your bill will be felt more acutely.
The current April-June 2026 cap is £1,641/yr. From 1 July that jumps to £1,663/yr - a £221 increase. The cap is reviewed every three months by Ofgem. Future changes are not guaranteed either way.
How to Switch to a Fixed Tariff This Week
- Compare live deals. Use the comparison form above to see fixed tariffs available in your area. Rates change daily so always check current figures.
- Check exit fees. If you are already on a fixed tariff, check whether an early-exit fee applies. For most variable-rate customers there is no exit fee.
- Confirm your usage. Have a recent bill to hand. The more accurate your kWh figures, the more accurate the comparison.
- Choose and apply. Select your preferred deal and complete the application. The Switch Guarantee means your switch completes within five working days.
- Submit a final meter reading. Give your current supplier a meter reading on switch day to ensure an accurate final bill.
- 14-day cooling-off applies. You can cancel the new tariff within 14 days of agreeing it if you change your mind - no penalty.
Reputable suppliers with strong customer service track records include Octopus Energy, E.ON Next, EDF, OVO Energy, British Gas, Utility Warehouse, and Good Energy. Always verify independently that your chosen supplier is Ofgem-licensed before switching.
Frequently Asked Questions
What is the cheapest fixed energy tariff in the UK this week (August 2026)?
The cheapest 12-month fixed deals on our live panel are typically priced below the £1,663 cap, several with no exit fees — run your postcode through the comparison on this page for today's exact prices.
How much is the July 2026 Ofgem price cap?
The confirmed July-September 2026 Ofgem cap is £1,663/yr for a typical dual-fuel household paying by direct debit. This was announced and represents a £221 rise from the current April-June cap of £1,641/yr.
Is it worth fixing my energy tariff before July 2026?
If you can find a fixed deal below the £1,663 July cap level and you value budget certainty, fixing before 1 July can be worthwhile. The best deals this week sit around £230-£260 below the current cap level. However, if the cap falls again in October 2026, a long fixed term could leave you paying above the market rate.
Does the Ofgem cap mean my bill will be exactly £1,663?
No. The cap limits the maximum unit rate and standing charge suppliers can charge on default tariffs. Your actual bill depends on how much energy you use. The £1,663 figure is based on typical usage of 2,500 kWh electricity and 9,500 kWh gas per year.
How long does it take to switch energy supplier?
Under the Energy Switch Guarantee, a switch completes within five working days. To complete before 1 July 2026 you should start your switch by around 20-23 June 2026 at the latest.
Can I switch if I am in a fixed tariff with exit fees?
Yes, but you will need to weigh the exit fee against the potential saving. If your exit fee is, say, £50 per fuel and you can save £200+ per year, switching may still make financial sense. Some suppliers waive exit fees within 49 days of your fixed deal ending.
Is the electricity rate rising more or less than gas in July 2026?
Gas is rising more steeply. The July 2026 cap increases the gas unit rate by around 24% while the electricity unit rate rises by around 5%. Households with gas heating will feel the July rise more than those using heat pumps or electric heating.
What does fixing my energy tariff mean for my EV home charging costs?
If you charge an electric vehicle at home, your electricity unit rate has a direct impact on your overnight charging costs. Locking in a lower fixed electricity rate before the current cap rises from the current level can reduce your per-mile charging cost. Some suppliers also offer EV-specific time-of-use tariffs - worth comparing alongside standard fixes.
Thinking about a home EV charger?
Compare free, no-obligation quotes from vetted local EV charge-point installers. A dedicated home charger can cut overnight charging time from hours to under an hour.
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