Sim's Life Want lower bills without ripping the house apart? The fastest wins to save energy with insulation are simple: stop heat escaping through your loft/roof, walls, floors, and draughty gaps, then keep controlled ventilation so the home stays dry and healthy. Quick answer:Start with loft insulation to 270–300 mm, then cavity ... Read more about Save Energy with Insulation – Cut Bills and Stay Warm This Winter Sim's Life