For anyone with minimal/no central heating, do you have any tips on making the place warm?

My lovely place 🙄, from the 50/60s has storage heaters, an electric boiler, and no gas for my actual building. Most of the time my home is at a standard 8-10°C or 46-54°F.

Other than wearing two to three layers has anyone got any ideas or tips to keep the actual area warm?
For anyone with minimal/no central heating, do you have any tips on making the place warm?
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