Buy it if: you're looking for luxury as well as warmth. No duvet fill feels quite as sumptuous as down, and this Soak & Sleep Hungarian goose-down option is one of the best quality we've come across. It's super warm yet lightweight, drapes beautifully on the bed, and feels super luxurious – you'll instantly feel like your bedding has levelled up. The all-seasons option also offers brilliant versatility; use the 4.5 and 9.0 duvets separately in warmer seasons and combine to create 13.5 togs of winter warmth.

We asked duvet owners whether they felt buying one helped. One third felt their anti-allergic or hypoallergenic duvet had made a fair difference to allergy symptoms and around one in five felt it helped just a little.However, you'll need to be careful when looking after a wool duvet – washing too often and at too high a temperature will reduce its lifespan. Silk duvets: pros and cons Why you can trust Ideal Home Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test. I was expecting something puffy and fluffy, but it’s both slimmer and heavier than expected, similar to the merino and wool duvets below. The magic is in the heat regulation. If you’re in one of those couples where the wife prefers oven-like warmth and the husband prefers access to oxygen (guess which side I’m on), it can be very hard to find a winter duvet you both like, but this one manages it.

More than a third of Which? members surveyed choose feather and down duvets, making it the second-most popular option. These lightweight, cosy duvets retain heat well but still help you to avoid overheating. Plus, if cared for properly, they will last much longer than synthetic fibre alternatives. Buy it if: you're looking for the very best duvet for a great night's sleep. This wool-filled duvet is an investment, but we've tried and tested some of the best winter duvets on the market, and in our opinion, this is the cream of the crop. It's the warmest we've come across, keeping our testers warm and toasty throughout the night without any of the overheating or night sweats that occurred with other high tog options. That's thanks to the naturally thermoregulating properties of wool that allow moisture to escape whilst still providing insulation. Handmade in Yorkshire using 100% traceable British Cheviot wool and certified organic cotton this is also a great eco-friendly option, with wool completely biodegradable. If you want natural instead of polyester filling, Snuggledown offers you the option to choose a blend of 85% goose feather and 15% goose down. This blend is very warm and you will not be cold in any period of winter. It has an internal box construction, so that the filling always stays in the right place, without any cold spots.Excludes post codes starting with BFPO, BT, FK, G83, GG, GY, HS, IM, IV, JE, KW, PA(20-78), PH(18-42), ZE However, it’s the easiest way of working out a duvet’s warmth here in the UK. “10.5 tog is a good mid-range that should last for most of the year, unless your house is very warm,” says Casson. “Otherwise, 4.5 tog is most common for summer and 13.5 tog is for winter.” Another option is an all-seasons duvet which consists of two layers which can be buttoned together. What is the best quality duvet to buy?