Can I switch energy supplier if I owe money in the UK?

Yes—in most cases you can still switch energy supplier even if you owe money. The key tests are your meter type and how much you owe. On a credit (standard) meter you can usually switch if your debt is £500 or less per fuel; on a prepayment meter you may be able to take the debt with you under the Debt Assignment Protocol (DAP). With the July 2026 price cap setting electricity at 26.11p/kWh, a well-chosen fixed deal can still cut your running costs. Compare whole-of-market home energy with EnergyPlus and see your options in minutes.

  • Check whether your debt blocks a switch—and how to clear the block
  • Understand the rules for credit meters vs prepayment meters in 2026
  • See how switching can offset the July 2026 (Q3) price cap
  • Start a whole-of-market comparison with one short form

Home energy only. Switching timescales vary. If you’re worried about repayment, contact your supplier—support is available.

Quick answer

Yes, you can usually switch energy supplier in the UK even if you owe money—provided the debt is no more than 28 days old, or, if it is older, no more than £500 per fuel on a credit meter. Debt that is under 28 days old is simply added to your final bill and does not block the switch. Above £500 on a credit meter, your supplier can object until you bring the balance down. On a prepayment meter you can often switch and carry up to £500 of debt per fuel to the new supplier under the Debt Assignment Protocol, repaying gradually through your top-ups.

Switching is also one of the most effective ways to beat the price cap. The July 2026 (Q3) cap sets the typical direct-debit electricity rate at 26.11p/kWh (standing charge 57.19p/day) and gas at 7.33p/kWh (29.04p/day). A fixed tariff at or below those rates can lock in savings while you clear what you owe. Get a quote →

Compare energy deals—even if you’re in arrears

If you owe money to your current energy supplier, switching can still be possible—but the outcome depends on your meter type, how old the debt is, the size of the debt, and whether there’s an active dispute. Use EnergyPlus to compare whole-of-market home energy tariffs and see options that may suit your situation, including fixed deals pitched against the July 2026 cap.

The two thresholds that matter: First, the 28-day rule—debt less than 28 days old never blocks a switch; it just moves to your final bill. Second, the £500-per-fuel limit—if older debt on a credit meter exceeds £500 for gas or for electricity, your supplier can object. On a prepayment meter, the Debt Assignment Protocol (DAP) lets you carry up to £500 per fuel to the new supplier.

What you’ll need (takes 2–3 minutes)

  • Your postcode and address
  • Whether you pay by direct debit, cash/cheque, or prepayment
  • Rough annual usage (or an estimate—your bill helps)
  • If you know it: how much you owe, how old the debt is, and whether you have a repayment plan

Start your comparison

Complete the form to see whole-of-market home energy options. We’ll guide you if debt may affect switching.

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UK rules in 2026: can you switch if you owe your supplier money?

UK suppliers can place an objection to your switch only in defined situations. The most common is debt older than 28 days that exceeds £500 per fuel on a credit meter. But owing money doesn’t automatically mean you’re stuck—there are routes to switch, reduce the debt, or move the debt with you. These rules are set by Ofgem and apply across Great Britain regardless of who you switch to.

The 28-day rule explained

Any debt that has been outstanding for fewer than 28 days cannot be used to block a switch. Recent charges—for example, energy you’ve used this month but not yet paid for—are simply rolled into the final bill from your old supplier once the switch completes. The 28-day window is why timing matters: if you switch promptly, much of what you owe may never count as a barrier at all.

When you can usually switch

  • The debt is less than 28 days old (it moves to your final bill)
  • You owe £500 or less per fuel on a credit meter
  • You have a prepayment meter and your debt (up to £500/fuel) fits DAP rules
  • You’re up to date with an agreed repayment plan and your supplier doesn’t object
  • Your balance is inflated by an error you’re actively disputing (confirm the status with your supplier)

When switching may be blocked

  • Older debt (over 28 days) of more than £500 per fuel on a credit meter
  • You’ve missed agreed repayments and the supplier objects
  • Prepayment debt above the £500-per-fuel DAP limit
  • A complex metering issue that needs resolving first (rare, but possible)
  • You try to switch away mid-investigation without contacting your supplier

Good to know: The energy switch process is regulated, and suppliers must follow set rules when objecting. If you think an objection is wrong, ask for the reason in writing and escalate via the supplier’s complaints process. You can take an unresolved complaint to the Energy Ombudsman after eight weeks (or sooner with a deadlock letter).

Quick eligibility check: are you likely to be able to switch?

Use this as a fast guide. If you’re unsure, run a comparison above and we’ll help you understand your options.

You have a credit meter

If older debt is £500 or less per fuel, you can usually switch. Above that, your supplier may object until the balance is reduced. Debt under 28 days old never blocks you.

See credit meter rules

You have a prepayment meter

You may be able to switch and move up to £500 of debt per fuel to your new supplier under DAP—repaying through top-ups.

See DAP explained

You’re in a dispute

If the debt is due to a billing issue, you may still be able to switch—but get confirmation of the dispute status and keep records.

Follow the step-by-step

Credit meter vs prepayment: what changes when you owe money?

Situation What usually happens What to do next
Any meter, debt under 28 days old Switching goes ahead. The recent debt moves onto your final bill from the old supplier. Switch promptly, submit final readings, then settle the closing bill or agree a plan.
Credit meter, older debt ≤ £500/fuel Switching is normally allowed. Your existing debt stays with your current supplier and you still need to repay it. Compare deals, then confirm your balance and set/maintain an affordable repayment plan.
Credit meter, older debt > £500/fuel Your supplier may object until the balance is reduced to £500 or less per fuel (or resolved). Ask for a statement, challenge errors, and agree a plan to reduce the balance. Then try switching again.
Prepayment with debt You may be able to switch and transfer up to £500 per fuel using the Debt Assignment Protocol (DAP) (subject to eligibility and supplier participation). Ask both suppliers whether your meter/debt is DAP-eligible and what the weekly repayment rate would be.
Debt caused by a dispute Switching may be paused if your supplier objects; outcomes vary based on the dispute and debt size. Keep records, submit meter readings, and escalate if needed. Don’t ignore bills while a dispute is open.

What is the Debt Assignment Protocol (DAP)?

DAP is an industry process that lets eligible prepayment customers switch supplier while still repaying an outstanding balance through their top-ups. Your new supplier takes on the debt—up to £500 per fuel—and repayments continue at an agreed weekly rate. The transfer has to be agreed by both your old and new supplier, so it’s worth asking each directly and keeping a note of who you spoke to and when. If your prepayment debt is above the £500-per-fuel limit, you’ll usually need to reduce it first.

How switching can cut your bills under the July 2026 price cap

Clearing debt is easier when your ongoing bills are lower. The Ofgem price cap is reviewed every three months, and Ofgem confirmed the July 2026 (Q3) cap on 27 May 2026. From 1 July 2026 the typical direct-debit unit rates are:

Fuel Unit rate (cap, Q3 2026) Standing charge Typical annual use (TDCV)
Electricity 26.11p/kWh 57.19p/day ~2,700 kWh/year
Gas 7.33p/kWh 29.04p/day ~11,500 kWh/year

The cap is a maximum on rates, not a fixed price—and it changes quarterly, so the next review (October–December 2026) could move rates up or down. A good fixed tariff in mid-2026 aims to match or beat these July cap unit rates and locks them in for the contract term, protecting you from a winter rise. Because the cap is set per unit, the more energy you use, the more a sub-cap fixed deal can save. Run the numbers on your own usage with our quote tool, or read our price cap guide for the full picture.

If you’re in debt: a cheaper tariff reduces what you spend each month, freeing up cash to pay down arrears faster. Prepayment customers paying down debt through DAP still benefit from lower unit rates on the energy they actually use.

How to switch energy supplier when you owe money (step-by-step)

Follow these steps to reduce the chance of a failed switch and to stay protected if you’re behind on payments.

  1. Confirm your meter type: credit meter, smart meter or prepayment. This affects the rules and whether DAP could apply.
  2. Check your balance and its age: ask for an up-to-date statement. Note how much is older than 28 days, since only older debt counts towards the £500-per-fuel limit.
  3. If you have a credit meter: if older debt is near £500 per fuel, ask for an affordable plan to reduce it and pay enough to get under the limit where possible.
  4. If you have a prepayment meter: ask both suppliers about DAP, confirm the debt is within £500 per fuel, and check the weekly deduction. Request this in writing if you can.
  5. Run a whole-of-market comparison: use the form above or our quote tool to see tariffs that beat the July 2026 cap.
  6. Start the switch and keep records: save emails, screenshots, and any objection reason you receive.
  7. Submit final readings when asked: this helps avoid estimated bills and unexpected balances after the switch.

If you’re struggling to pay: suppliers must offer support such as repayment plans, reviewing direct debit amounts, or checking eligibility for hardship help. Contact them sooner rather than later—especially if you’ve received a missed payment notice.

Common reasons a switch fails (and how to fix them)

1) Your supplier objects due to debt

If you’re on a credit meter and older debt is above £500 per fuel, your supplier may object. You should be told the reason.

  • Ask for the exact outstanding balance, date-stamped and split by fuel
  • Request a repayment plan and pay down to within limits if possible
  • Re-apply to switch once the balance reduces

2) Address or meter details don’t match

If your address formatting or meter information is inconsistent, the switch can stall.

  • Use the exact registered address (including flat numbers)
  • Check whether you have smart meters or multiple meters
  • Provide meter readings when requested

3) You’re on an agreed repayment plan but missed payments

Missing payments can trigger objections and fees.

  • Contact your supplier to renegotiate an affordable amount
  • Ask if the switch can proceed once payments resume
  • Keep proof of payments

4) You’re switching during a billing dispute

Disputes don’t automatically prevent switching, but they can complicate it.

  • Submit clear evidence (readings, photos, dates)
  • Ask for written confirmation of the dispute stage
  • Escalate through the complaints route if unresolved

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FAQs: switching supplier when you owe money (2026)

Can my energy supplier stop me switching if I owe money?

They can object only in defined situations—most commonly if you have a credit meter and you owe more than £500 per fuel in debt that is older than 28 days. If the debt is under 28 days old, or £500 or less per fuel, switching is normally allowed. On a prepayment meter you may be able to switch under the Debt Assignment Protocol.

What is the 28-day rule?

Debt that has been outstanding for fewer than 28 days cannot be used to block a switch. It is simply added to the final bill from your old supplier once the switch completes. Only debt older than 28 days counts towards the £500-per-fuel objection threshold.

If I switch, does my debt disappear?

No. With a credit meter, the debt generally stays with your old supplier and you still need to repay it. With prepayment, the Debt Assignment Protocol may move up to £500 of debt per fuel to the new supplier so you repay through top-ups.

How much prepayment debt can I take with me under DAP?

Up to £500 per fuel (so up to £500 for gas and £500 for electricity). The transfer must be agreed by both your old and new supplier, and repayments continue through your meter top-ups at an agreed weekly rate. Above the £500-per-fuel limit you’ll usually need to reduce the balance first.

What if I owe money for both gas and electricity?

The £500 threshold applies per fuel, not combined—so you could owe up to £500 on gas and up to £500 on electricity and still be within the limits. Ask your supplier for a breakdown by fuel and the age of each balance.

Can I switch if I’m in a repayment plan?

Often yes—especially if you’re paying as agreed and your credit-meter debt is within £500 per fuel. If you’ve missed payments, speak to your supplier first and agree an affordable plan before trying to switch.

Can switching actually lower my bills in 2026?

Yes. The July 2026 (Q3) price cap sets typical rates at 26.11p/kWh for electricity and 7.33p/kWh for gas, but these are maximums under the standard variable tariff. A fixed deal at or below the cap locks in those rates for the contract term, which can protect you from a future quarterly rise and free up money to clear arrears.

Will switching affect my credit score?

Switching supplier itself doesn’t typically impact your credit score. However, missed payments, defaults, or debt collection activity can affect your credit file depending on how the account is handled. If you’re behind, keep communication open and agree a plan.

Can I switch if I have a smart meter?

Usually yes. Smart meter compatibility can affect how advanced features work immediately after switching, but it shouldn’t prevent you from comparing and switching. Debt rules still depend on whether you pay by credit or prepayment.

What should I do before switching if I’m worried about disconnection?

Contact your supplier immediately to agree an affordable repayment plan and ask about support options. If you’re in financial difficulty, ask to be assessed for additional help. Switching may help reduce future costs, but keeping payments manageable is the priority.

Why compare with EnergyPlus?

Whole-of-market comparison

Compare home energy options across the market, not just a limited panel—so you can see what’s available for your postcode and payment type against the July 2026 cap.

Guidance if you owe money

Debt doesn’t always stop a switch. We highlight the 28-day rule, the £500-per-fuel limits and the practical steps that help avoid failed applications.

Simple, quick form

Start with your postcode and payment type. You can review options before you commit to switching.

What UK households often get wrong

Assuming you can’t switch at all

Many people can switch with debt—especially if it’s under 28 days old, within £500 per fuel on a credit meter, or eligible for DAP on prepayment.

Not checking the balance is accurate

Estimated readings and billing errors can inflate balances. Take photos of your meters and ask for a corrected statement before you decide what to do next.

Staying on a variable tariff at the cap

The cap is a ceiling, not a deal. Many fixed tariffs in mid-2026 sit at or below the July cap rates, so staying put can mean paying more than you need to.

Ignoring final readings

Final readings are a common source of unexpected bills. Submit them promptly to minimise estimated charges and disputes.

Trust & methodology

“I thought my debt meant I couldn’t switch. The guide made the rules clear and I found a tariff that fits my budget.”

Claire, Manchester

“The form was quick and the information about prepayment switching was genuinely useful.”

Omar, Birmingham

“Helped me understand why my first switch failed and what to do next. Second attempt went through.”

Sarah, Glasgow

How we keep this current: Our figures reference the Ofgem price cap for July–September 2026 (Q3), confirmed by Ofgem on 27 May 2026 and in effect from 1 July 2026: electricity 26.11p/kWh and gas 7.33p/kWh on a typical direct debit. The cap is reviewed every quarter, so we revisit this guide each cap period. Debt and switching rules follow Ofgem’s objection rules, the 28-day window and the £500-per-fuel Debt Assignment Protocol limit.

Last updated June 2026. EnergyPlus is a whole-of-market comparison service. Always check tariff details, prices and any eligibility criteria before confirming a switch. If you’re in financial difficulty, contact your supplier and seek free debt advice from a UK charity.

Ready to see if you can switch?

Compare whole-of-market home energy deals against the July 2026 cap and start your switch. If you owe money, we’ll help you understand the next best step based on your meter type, balance and the £500-per-fuel rules.

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If you’re in financial difficulty, contact your supplier for support. In an emergency, seek free debt advice from a UK charity.

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Updated on 30 Jun 2026