Duvet & Duvet Cover Size Guide
Explore the complete Duvet Size Guide with exact measurements for every size – including cot, toddler, single, double, small double, king, super king, and emperor – so you can find the perfect fit for any bed.
Duvet Sizes in CM & Inches:
| Bed Size | Duvet Size (cm) | Duvet Size (inches) |
|---|---|---|
| Cot Bed | 120cm x 150cm | 47" x 59" |
| Single | 135cm x 200cm | 53" x 79" |
| Double | 200cm x 200cm | 79" x 79" |
| King | 230cm x 220cm | 91" x 87" |
| Super King | 260cm x 220cm | 102" x 87" |
| Emperor | 290cm x 235cm | 114" x 93" |
What Are the Standard Duvet Sizes (Dimensions) in the UK?
In the UK, duvet sizes typically align with bed dimensions; however, choosing the right one depends on more than just mattress size. From cot bed duvets for toddlers to emperor-size duvets for ultimate luxury, each size caters to specific comfort needs. Standard options include single, double, king size, and super king duvets, ideal for every type of sleeper. Whether you want extra warmth, space to sprawl, or duvet coverage for two, picking the right size helps create a cosy, restful sleep environment.
Soft Quilt Duvet - All Sizes
Shop NowWhat Size Is a Cot Bed Duvet?
When your little one transitions from a cot to a toddler bed, selecting the right duvet size for toddlers in the UK is crucial for both comfort and safety. The standard cot bed duvet size in the UK is 120 x 150 cm (47 x 59 inches), specially designed for young children. It’s the perfect fit to keep them warm without the risk of overheating or bunching.
What Size Is a Single Duvet?
The UK single duvet size is 135 x 200 cm (53 x 79 inches), ideal for single beds, daybeds, bunk beds, and guest rooms. This duvet is a staple in children’s bedrooms and smaller adult spaces. Despite the name, a single duvet doesn’t have to be basic. Choose from luxury single duvets for kids and adults, with a variety of fillings and tog ratings—many teens or adults who prefer more coverage opt for a small double duvet.
What Size Is a Double Duvet?
The standard double duvet size in the UK is 200 x 200 cm (79 x 79 inches), made to fit a 135 cm wide bed. It’s a versatile choice for couples or solo sleepers who want more blanket to snuggle into. Whether you’re updating a main bedroom or styling a guest room, double bed duvets UK offer an outstanding balance of comfort and practicality.
What Size Is a King Size Duvet?
The UK king-size duvet dimensions are 225 x 220 cm (89 x 87 inches), providing extra coverage on a 150 cm-wide king bed. It’s a popular upgrade for couples who prefer undisturbed sleep with plenty of space. Choose from king-size duvets with hollowfibre fillings or go for all-season king duvets for year-round flexibility. The added length also helps taller individuals stay warm from head to toe.
King Size Duvet Cover Set
Shop NowWhat Size Is a Super King Size Duvet?
The UK super king size duvet measures 260 x 220 cm (102 x 87 inches) and fits a super king bed that’s 180 cm wide. This size is perfect for couples who love extra space or share their bed with kids or pets. With its generous width, a super king bed duvet UK ensures no more night-time cover stealing. It’s especially ideal for taller individuals or anyone seeking that luxurious hotel-style bedding experience at home.
What Size Is an Emperor Duvet?
The emperor duvet size in the UK is a whopping 290 x 235 cm (114 x 93 inches), designed for emperor beds that span 200 cm or more in width. It’s the ultimate in bedding comfort, offering hotel-level indulgence. Great for large master suites, couples needing extra room, or anyone who loves being fully cocooned at night, emperor duvets are a premium choice.
How to Measure Your Bed and Mattress for the Perfect Fit
Do you think your bed is a standard size? Think again! Slight variations—like older frames, mattress toppers, or deeper mattresses—can affect how well your duvet fits. A quick measure can save you the hassle of constantly readjusting or dealing with awkward overhang. You can purchase mattress protectors from Yorkshire Bedding.
What to Measure Before Buying a Duvet
| Area to Measure | Why It Matters |
|---|---|
| Mattress Width & Length | Ensures your duvet matches the surface of your bed properly |
| Mattress Depth | Deeper mattresses need more duvet coverage to avoid the short sides |
| Pillow Arrangement | Tucking under pillows? You'll need extra length. Draping over? The standard is acceptable. |
| Bed Position | Wall-hugging beds limit how much a duvet can hang without bunching |
| Mattress Topper (if any) | Adds height and eats up duvet surface—consider sizing up for full coverage |
Top Tip: Always measure the actual mattress surface, excluding headboards and footboards, and round up if in doubt. It’s better to have a duvet that drapes beautifully than one that barely covers the corners.
Does Duvet Size Affect Comfort?
Choosing the right duvet size is key to staying warm, comfortable, and well-covered throughout the night.
Here’s how duvet size impacts comfort:
- - Even Warmth Distribution: An appropriately sized duvet provides consistent warmth across the entire bed surface.
- - Tug-of-War Prevention: If you share a bed, going up a size can help both sleepers stay cosy without the midnight struggle for covers.
- - Aesthetic Comfort: A well-fitting duvet gives your bed a polished, inviting appearance, subtly enhancing the feeling of relaxation.
- - Better Sleep Posture: A duvet that is too short may cause you to curl up to stay warm, which can result in joint stiffness or discomfort by morning.
For maximum comfort, consider your sleeping habits: opt for a larger size if you prefer being wrapped in warmth, or stick to your standard bed size for a lighter feel. Pairing the right size with the right tog rating helps keep you cosy without overheating or cold spots.
Should You Size Up for More Coverage?
Sizing up your duvet is one of the easiest ways to enhance your sleep experience—and it’s becoming increasingly popular in UK households. But is it always the right move? Let’s explore the pros and cons.
| Pros of Sizing Up | Cons of Sizing Up |
|---|---|
| Extra Warmth: Larger duvets provide more coverage, helping to trap heat more effectively, especially beneficial during cold UK winters. | Overhang Issues: A duvet that's too big might hang off the bed, potentially touching the floor and collecting dust. |
| Ideal for Couples: Upgrading from a double to king/super king reduces nightly cover tug-of-war. | Cost: Larger duvets (and covers) are more expensive and require more storage space. |
| Hotel-Style Look: Bigger duvets drape beautifully over bed sides for a luxurious appearance. | Cleaning: Washing king/emperor sizes at home can be challenging without a high-capacity machine. |
| Better Sleep Quality: Feeling fully covered reduces nighttime awakenings from chills. |
Should you size up? Yes—if you’ve got the space, share a bed with a cover-stealer, or love a tucked-in feel. Just be sure your duvet cover matches, or comfort and style will suffer.
To wrap it up, picking the right duvet and duvet cover isn’t just about numbers—it’s about making sure you’re comfortable and getting the best sleep possible. Take the time to measure your bed, check the tog rating, and choose materials that suit your needs.
Related Blog: UK Bed Sizes Complete Guide
