Garden rooms are a fantastic way to add extra living or working space, but keeping them warm during a UK winter can be a challenge. The good news is there are several heating options available — and the running costs can vary significantly depending on what you choose. Here’s a breakdown of the most cost-effective ways to heat a garden room in the UK.

What Temperature Do You Need?

For most uses (home office, gym, or relaxation space), you’ll want your garden room to stay between 18°C and 21°C. The better insulated your garden room is, the cheaper it will be to maintain this temperature.

1. Electric Panel Heaters (Cheapest to Install)

Typical cost: