A clothing brand that shares its letters with a warmth rating The tog is a British measure of warmth. Bensons for Beds explains that it was "taken from the term 'togs', an informal word for clothing (which derives from the Roman 'toga')," and that it was first created by the Shirley Institute, "the Manchester-based HQ …

For babies, the answer is no duvet at all The NHS says a baby's room should be "between 16C to 20C", and that a cot should be kept clear of "pillows, duvets, cot bumpers, loose blankets, soft toys". So the first answer to "what tog duvet for my child?" depends on age. For a baby under 12 months, UK safer-sleep guidance …

The tog is the same; the duvet is not Which? tested 24 duvets with a panel of 40 testers and found that "the best synthetic duvets in our test scored just as highly for comfort as feather and down options, and in some cases surpassed them." So the answer to "which feels warmer, down or synthetic?" is not as simple as …

Two value brands, two different pitches Silentnight and Slumberdown both sell low-priced duvets to UK shoppers, and both cover the tog ratings most households need. They sell themselves differently. Silentnight leads with its name: its site calls it the "UK's most trusted sleep brand" and offers a "Lifetime product …

The number on the label comes from a lab test A tog is a unit of thermal resistance: how strongly a material slows the flow of heat through it. The figure on a UK duvet label is the result of a laboratory test carried out to a British Standard, BS 4745. That makes it one of the few numbers in bedding you can compare …

The night the winter duvet becomes too much A British summer does not give much notice. Bensons for Beds puts it this way: "a 13.5 tog duvet can be difficult to live with in the height of summer when temperatures can suddenly shoot up to 30°C or even more." That is the night most people start looking at a summer duvet, …

The rating UK retailers stock most Dunelm lists more 10.5 tog duvets than any other rating: 40 when we checked on 5 October 2026, against 27 at 13.5 tog and 25 at 4.5 tog. That says a lot about where the UK market sits. Retailers treat 10.5 tog as the one-duvet answer for most of the year, and Primark calls it "the …

What tog should your duvet be? Choosing between a 10.5 and a 13.5 tog duvet comes down to how cold your bedroom gets at night, more than the month on the calendar. The tog number on a UK duvet measures how well it keeps heat in: the higher the number, the warmer the duvet. This page puts the main UK retailers' seasonal …

Is a 13.5 tog duvet warm enough for a British winter? For most people, yes. Which?, which tests duvets with a panel of 40 testers, says a tog of 10.5 to 15 is better for winter, and that "while 15 is the maximum, most people find that a 13.5 tog duvet is warm enough for British winters." Primark gives the same answer …