Overview
- Octopus Energy recommends closing curtains at dusk under a '4pm rule', citing up to a 17% reduction in heat loss.
- DIY draught‑proofing around doors, windows and floors costs from under £1 and is estimated to save roughly £65–£85 a year, with Octopus quoting £80.
- Which? reports electric throws can warm one person for about 2p per hour, while Vonhaus estimates a 50W heated blanket at roughly 10p for eight hours.
- Heating advisers say lowering thermostats from 21C to 18C could save around £270 annually and suggest scheduling heat so homes are not warmed while empty.
- Further quick wins include thermal blinds or curtains, reflective radiator panels, bleeding radiators, and shutting internal doors to retain warmth.