Wales
Energy Prices in Swansea 2026
A typical Swansea household pays around £141 per month for gas and electricity — in line with the UK average of £141. Below: costs by property type, how Swansea compares and how to find a better deal.
Average monthly bill
£141
Estimated annual cost
£1,692
Estimated saving
£254/yr
Average energy costs by property type
| Property | Monthly | Annual |
|---|---|---|
| Flat / 1-bed | £92 | £1,104 |
| Terrace / 2-bed | £120 | £1,440 |
| Semi / 3-bed | £141 | £1,692 |
| Detached / 4+ bed | £190 | £2,280 |
How Swansea compares
Swansea is close to the Welsh regional average.
Are you overpaying?
If your monthly bill is more than £155 for a similar-sized property, you may be paying above the typical Swansea range. Use our 30-second checker to see how much you could save.
Finding the best deal in Swansea
- Check your current rate — look at the unit rate (p/kWh) and standing charge on your latest bill.
- Compare fixed vs variable — fixed deals lock in your price, variable follow the price cap.
- Look at the whole price, not just the headline rate. Standing charges add up.
- Watch exit fees — typically £30–£60 per fuel for fixed tariffs.
- Switch online — the process takes about 5 days and your supply is never interrupted.