Compare Energy Deals London

Compare London energy deals: switch from the Ofgem maximum to a better fixed tariff, free.

Compare London Energy Deals

Energy supplier guides

Read our guides to the UK's main energy suppliers before you compare tariffs for your postcode.

British GasOctopus EnergyE.ON NextEDFScottishPowerOVO EnergyBritish GasOctopus EnergyE.ON NextEDFScottishPowerOVO Energy
London residential street energy bills

London Energy Bills Are Above the UK Average: Here's Why

London sits in the South East electricity distribution zone. Unit rates here run 24.5p to 26.1p/kWh, marginally above the UK midlands and north. That difference, compounded over a year, adds £40 to £80 to the average London bill compared with Yorkshire or the North West.
Running an energy comparison London-specific search identifies fixed deals that undercut the cap. Switch applies your correct zone rates automatically when you enter your London postcode, results are precise, not estimated from a national average.

London Savings by Household Type

£80 to 150

1-bed flat / single occupant

~£955/year on SVT

£150 to 280

2 to 3 bed house / couple

~£1,680/year on SVT

£250 to 400

3 to 4 bed family home

~£2,510/year on SVT

£60 to 130

Electricity-only flat

~£840/year on SVT

London energy unit rates South East zone

London Energy Unit Rates: Q2 2026 (South East Zone)

Ofgem divides the UK into 14 regional electricity distribution network zones. London falls in the South East zone. Switch applies your correct zone rates automatically when you enter your London postcode.
October–December 2026 is £1,723 for a typical dual-fuel Direct Debit household. July–September was £1,663. The April–June 2026 cap of £1,641 is historical.

London Unit Rates at a Glance

Fuel TypeUnit Rate RangeStanding ChargeAnnual Cap Cost (avg)
Electricity, South East London24.5p to 26.1p/kWh~57p/day~£666/year
Gas, South East London5.6p to 6.0p/kWh~29p/day~£660/year
Dual Fuel Combined (avg)See above~86p/day combined~£1,680/year

← Swipe to see all columns →

How to Run an Energy Comparison London: 5 Steps

Whether you're in Hackney or Harrow, each step takes under 2 minutes.

1

Enter Your London Postcode

Your postcode determines your South East zone rates. Different London areas have slightly different tariffs.

2

Tell Us Your Current Supplier

British Gas, Octopus, EDF, E.ON, OVO, ScottishPower, or another. Switch calculates your exact saving.

3

Compare Live London Tariffs

Results ranked by total annual cost. Filter by fixed, variable, green, exit fee, or payment method.

4

Confirm in Under 2 Minutes

Select your deal and set up direct debit. You never contact your old supplier, Switch handles everything.

5

Switch in 5 Working Days

Energy Switch Guarantee. £40 compensation if delayed. Supply never interrupted.

Is energy in London more expensive than the rest of England?

Energy unit rates are set nationally by Ofgem's price cap, so a kWh of electricity costs the same in London as it does in Leeds or Manchester. However, London households pay a network charge, added to standing charges, that is slightly higher than in most other regions due to the age and density of the capital's distribution infrastructure.
The more meaningful difference is usage: London homes are smaller on average and flats tend to lose heat more efficiently than detached houses, so annual bills for London households are typically £80 to 120 lower than the national average, despite the slightly higher standing charge.
What matters most is your tariff, not your city. Switching from a standard variable rate to the cheapest fixed deal available at your London postcode can save £200 to 350 per year regardless of the regional network cost difference.

London Renters, HMOs & Special Cases

London-specific situations that affect your energy switching rights and options.

1

Private Renters

If you pay your own bills, you have full legal right to switch. Landlords cannot block this. Tenants typically save £150 to £280/year.

2

HMO & Shared Properties

If on an individual account, you can switch independently. Switch offers a dedicated HMO management platform for landlords.

3

Just Moved to London

Moving in puts you on the existing supplier's SVT, the most expensive option. Compare within 7 days of moving in.

4

Smart Meters in London

Most post-2018 London properties have SMETS2. These retain full smart function after switching, no engineer visit needed.

You Are Fully Protected When Switching London Energy

ProtectionWhat It Means
Energy Switch GuaranteeSwitch in 5 working days. 90%+ of UK suppliers signed up.
£40 Compensation RulePaid automatically within 10 working days if switch delayed.
14-Day Cooling-OffCancel any new deal within 14 days at zero cost.
Credit Balance RefundOld supplier must refund credit within 14 days of final bill.
Ofgem Supplier Failure ProtectionIf supplier fails, Ofgem appoints a replacement. Credit protected.
No Supply InterruptionGas and electricity continues uninterrupted throughout.

What to Look for in a London Energy Deal

Price is the main factor: but four other variables determine whether a deal is right for your London household.

1

Unit Rate (p/kWh)

London's South East zone runs 24.5p to 26.1p/kWh. A fixed deal below these rates saves on every appliance.

2

Standing Charge (p/day)

~57p/day electricity + ~29p/day gas (~£314/year combined). Low-standing-charge tariffs benefit low-usage flats.

3

Contract Length & Exit Fees

12 or 24 months. Exit fees £50 to £100/fuel if leaving early. Waived in final 49 days, switch freely.

4

Payment Method

Direct debit is cheapest. Standard credit costs £60 to £120 more per year. Prepayment carries a further premium.

5

Green Energy Certification

London has strong demand for green tariffs. Certified 100% renewable options are clearly labelled on Switch.

London Energy Comparison: Frequently Asked Questions

What is the cheapest energy tariff in London right now?

London sits in the South East zone with electricity rates of 24.5p to 26.1p/kWh under Q2 2026. The cheapest deals are fixed tariffs through Switch. Run a free comparison to see live results.

Does energy comparison London show different results to other UK regions?

How long does an energy comparison London take?

Can London renters switch their energy supplier?

What is the average London energy bill in 2026?

Will my energy be cut off during a London switch?

Start Your London Energy Comparison: Free, Takes 5 Minutes

The October–December 2026 Ofgem cap is £1,723 a year for a typical dual-fuel Direct Debit household. The April–June 2026 figure of £1,641 is historical.

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