South West London covers affluent areas including Chelsea, Fulham, and Wandsworth with a mix of period homes and modern flats driving varied energy usage.
Current Ofgem Price Cap
£1,641/year
April — June 2026 | Typical dual fuel household
Electricity
3,100 kWh
Gas
12,000 kWh
The following energy suppliers offer plans in the SW postcode area:
Comparing energy suppliers in South West London takes just a few minutes. Enter your postcode and current usage or upload a recent energy bill to see how much you could save by switching to a different tariff.
All major suppliers compete for customers in the SW area, meaning there are often deals available below the Ofgem price cap of £1,641/year. Fixed-rate tariffs can lock in savings and protect against future price rises.
Based on typical consumption in the SW postcode area, the average household uses approximately 3,100 kWh of electricity and 12,000 kWh of gas per year.
At the current Ofgem price cap rate, this works out to around £1,641 per year for a dual fuel household. Your actual bill will depend on your property size, insulation, and heating habits.
The cheapest energy supplier in South West London (SW) varies by usage and tariff type. Currently, suppliers like British Gas, Octopus Energy, EDF offer competitive rates in the SW postcode area. Use AskUKEnergy to compare the latest plans based on your actual usage.
The average annual energy bill in South West London is approximately £1,641 based on the current Ofgem price cap. Typical annual usage is around 3,100 kWh of electricity and 12,000 kWh of gas.
Switching energy supplier in South West London is straightforward. Compare plans using AskUKEnergy, choose a tariff, and your new supplier handles the switch. There is no interruption to your supply. The process typically takes 5 working days under the Ofgem switching guarantee.
Upload your bill to see how much you could save.
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Price cap data: Ofgem. Average usage: DESNZ.
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