15" Deep Brushed Cotton Flannelette Fitted Sheets
15 Inch Deep Brushed Cotton Flannelette Fitted Sheets – Extra Deep, Warm & Perfectly Secure Fit
If you struggle with fitted sheets that won’t stay in place, our 15 inch deep brushed cotton flannelette fitted sheets are the perfect solution. Designed specifically for deeper mattresses and modern bedding setups, these sheets combine a secure fit with soft, warm brushed cotton comfort.
Made from 100% brushed cotton flannelette with a 165 GSM luxury fabric, these fitted sheets deliver a cosy, breathable sleep surface that feels warm in winter while remaining comfortable all year round.
If you are searching for extra deep fitted sheets, 15 inch fitted sheets UK, deep brushed cotton sheets or flannelette fitted sheets for thick mattresses, this range is designed to solve the problem properly.
Why Choose 15 Inch Deep Fitted Sheets?
Standard fitted sheets are often not deep enough for today’s mattresses. With mattress toppers, protectors and deeper builds becoming more common, a deeper fitted sheet is essential.
A 15 inch (38cm) box depth gives you the extra coverage needed to ensure your sheet fits properly without slipping, bunching or coming loose overnight.
- 15 inch deep fit (approx. 38cm)
- Ideal for deep mattresses and toppers
- Prevents slipping and movement
- Creates a smooth, secure sleeping surface
- Improves overall bed presentation
Extra deep fitted sheets are specifically designed to stay securely in place and are ideal for mattresses with added depth or toppers.
Premium Brushed Cotton Flannelette
These fitted sheets are made from 100% brushed cotton flannelette, a fabric known for its soft, warm and comforting feel.
The brushing process lifts the fibres of the cotton, creating a slightly fluffy surface that feels softer and warmer than standard cotton sheets. This makes it particularly popular during colder months.
Brushed cotton is widely recognised for its cosy texture and insulating properties, making it ideal for winter bedding.
165 GSM Fabric – The Perfect Balance
Fabric weight plays a key role in comfort and durability. At 165 GSM, these fitted sheets offer:
- Soft, cosy feel without being too heavy
- Durability for long-term use
- Easy washing and drying
- Comfortable warmth without overheating
This weight is considered ideal for flannelette bedding, delivering warmth while maintaining practicality for everyday use.
Brushed on Both Sides for Maximum Comfort
Unlike lower-quality sheets, this fabric is brushed on both sides, meaning the softness is consistent across the entire sheet.
This ensures:
- Softness wherever you lie
- Consistent comfort throughout the night
- A more premium feel compared to single-brushed fabrics
Designed for a Secure Fit
A fitted sheet should stay in place all night. These sheets are designed with elasticated edges to ensure a snug, reliable fit across your mattress.
They are suitable for:
- Deep mattresses
- Mattresses with toppers
- Memory foam beds
- Hybrid mattresses
The elasticated fitted sheets provide a secure fit and prevent movement during sleep.
Available Sizes
This range is available in all standard UK sizes:
- Single (90cm x 190cm)
- Double (135cm x 190cm)
- King Size (150cm x 200cm)
- Super King Size (180cm x 200cm)
Each sheet includes a 15 inch deep box to accommodate deeper mattresses.
Available Colours
Choose from a wide range of colours to suit your bedroom style:
- White
- Cream
- Charcoal
- Light Grey
- Pink
- Blue
- Apple Green
- Heather
- Navy
These versatile colours allow you to coordinate your fitted sheet with duvet covers and pillowcases effortlessly.
Brushed Cotton vs Standard Fitted Sheets
| Feature | Brushed Cotton Flannelette | Standard Cotton |
|---|---|---|
| Feel | Soft, warm, cosy | Smooth and cool |
| Best Season | Autumn and winter | Year-round |
| Warmth | Higher | Lower |
| Texture | Brushed, soft-touch | Flat and smooth |
| Fit Options | Deep fit available | Often standard depth |
| Comfort Feel | Cosy and insulating | Crisp or silky |
Who Are These Sheets Perfect For?
Owners of Deep Mattresses
If your fitted sheet constantly comes loose, this 15 inch deep option will solve the problem by providing proper coverage.
Homes Using Mattress Toppers
Extra depth ensures your sheet fits comfortably over both mattress and topper.
Cold Sleepers
The brushed cotton finish provides warmth and softness for a more comfortable sleep.
Winter Bedding Setups
Perfect for colder months when warmth and comfort are essential.
Family Homes & Guest Rooms
Durable, easy to wash and comfortable, making them ideal for everyday use.
Comfort That Improves Sleep Quality
Your fitted sheet is the surface you lie on every night. A poorly fitting or rough sheet can affect your comfort and sleep quality.
These sheets help improve sleep by:
- Providing a softer surface
- Eliminating cold, crisp fabric feel
- Staying securely in place
- Maintaining warmth without overheating
Easy Care & Practical Living
Designed for modern homes, these fitted sheets are easy to care for:
- Machine washable
- Tumble dry safe
- Durable for frequent washing
- Maintains softness over time
For best results, wash at moderate temperatures and avoid harsh detergents.
5 Year Guarantee for Peace of Mind
These fitted sheets come with a 5 year guarantee, giving you confidence in their durability and long-term performance.
Complete Your Brushed Cotton Bedding Set
Pair your fitted sheet with matching items to create a fully coordinated bed:
- Brushed cotton flannelette duvet covers
- Brushed cotton flannelette flat sheets
- Brushed cotton pillowcase pairs
Using matching bedding enhances both comfort and appearance.
FAQs
What does 15 inch deep fitted sheet mean?
It refers to the depth of the sheet. A 15 inch (38cm) fitted sheet is designed to fit deeper mattresses and those with toppers.
Will this fit a mattress with a topper?
Yes, the extra depth makes it ideal for mattresses with toppers or protectors.
Are brushed cotton sheets warm?
Yes, brushed cotton flannelette is warmer than standard cotton due to its brushed surface.
Are these breathable?
Yes, they are made from 100% cotton, allowing airflow and helping regulate temperature.
Do they stay in place?
Yes, elasticated edges ensure a secure fit and reduce movement during sleep.
Can I tumble dry them?
Yes, they are tumble dry safe.
Are they suitable for winter?
Yes, they are ideal for colder months thanks to their warm and cosy feel.
Final Thoughts
Our 15 inch deep brushed cotton flannelette fitted sheets are designed for modern beds and modern living. With extra depth, soft brushed cotton fabric and a secure fit, they offer everything you need for a comfortable and reliable night’s sleep.
If you are tired of fitted sheets that don’t fit properly, this is the upgrade your bed needs.
As winter's chilly days and nights settle in, we are eagerly seeking the cosiest ways to stay warm. Introducing one of our current favourite companions for comfort, our exceptional brushed cotton bedding, designed to keep you snug and toasty. Let’s explore why our brushed cotton bedlinen is an ideal addition to any winter bedding collection. Commonly referred to as 'flannelette,' brushed cotton derives its name from the unique manufacturing process it undergoes. This cotton is treated mechanically, where brushes are used to lift and elevate the softest fibres from the yarns. The result is a fuzzier texture that enhances the fabric's softness, making it incredibly warm and inviting. Our sheets and duvet covers are crafted from the highest quality, responsibly sourced 100% cotton yarns, available in both striped and plain weaves.
Once the coloured yarns reach our skilled partners in Portugal, they initiate the weaving process, forming the distinctive patterns and textures that define our products. Following the weaving stage, the cotton undergoes a final finishing process. Initially, the fabric is washed to enhance its softness and enrich the colours of the dyed yarns. Subsequently, the brushing process commences, resulting in the softest brushed cotton imaginable. This fabric not only looks cosy but also features a wonderfully soft, fleece-like finish that ensures maximum comfort. The underlying principle that makes brushed cotton the ideal choice for winter bedding lies in its brushed finish, which elevates the fluffy fibres and enables them to trap warm air. This characteristic enhances its insulation properties, making it naturally warmer than other cotton fabrics, thus making it perfect for the cold winter months.
Brushed cotton fabric not only boasts a slightly thicker and more durable composition at an ideal weight of 160 grams, but it also maintains exceptional breathability. This added thickness and weight do not compromise comfort; instead, they ensure that air circulation is preserved, allowing for a restful sleep without the discomfort of overheating or the need to constantly adjust your position. Regardless of your personal style, we offer an extensive selection of our warmest bedding options for winter. We believe that laundry should be straightforward, which is why we have designed our brushed cotton bedding to be easy to care for.
All our sets can be washed at 40 degrees, although we recommend using a gentler cycle, such as the synthetic or wool setting, to preserve the fabric's softness and comfort. To maintain the plush brushed finish, turn the bedding inside out before washing to minimize abrasion and protect the delicate raised fibres. For added softness, hang it to dry in a gentle breeze, if possible, or use a light tumble dry in your machine. The best part? Ironing is not necessary, allowing you to enjoy more time snuggled under your cosy sheets.
About Belledorm
Belledorm is a long-established British bedding company, founded in 1977, built around one clear aim: producing high-quality bed linen that performs properly and lasts.
What the company stands for
Over four decades of bedding expertise
With more than 45 years in the industry, Belledorm has built a strong reputation for consistency, reliability and trusted quality across the UK.Focus on fabric and fit
The company specialises in premium cotton and polycotton bed linen, with particular strength in Egyptian cotton ranges and deep fitted sheet sizing for modern mattresses.Practical luxury, not fast fashion
Belledorm concentrates on timeless colours, durable construction and long-term comfort rather than short-term trends.Trusted across homes and hospitality
Their products are widely used in private homes, guest houses and hotels thanks to dependable sizing, strong wash performance and long-lasting materials.
Belledorm remains a brand built on substance — delivering bedding customers can rely on year after year.
DELIVERY
Please allow 3 business days for delivery, except for made to order items, they may take a little longer. (please see below).
Shipping is available within Great Britain, Europe and most Worldwide destinations.
How much will postage and packaging cost?
We charge a flat rate of £4.95 for any purchase to be shipped within Mainland Great Britain.
All orders over £100.00 will be delivered free of charge to UK mainland addresses only.
HIGHLANDS AND ISLANDS WILL INCUR AN ADDITIONAL CHARGE.
For all other destinations including Ireland, Northern Ireland, Channel Islands, Europe and Worldwide areas, please contact our sales team for our special discounted rates before placing your order.
NOTE: if the item you have selected is Made to Order item, please check our Delivery and Returns section below.
- Coolmax Bedding: 10 Day Manufacturing Time
- Duvets: 10 Day Manufacturing Time
- Pillows: 10 Day Manufacturing Time
- Mattress Toppers: 10 Day Manufacturing Time
The factory work off a tolerance of plus or minus 5% due to the nature of the fabrics and processes.
Delivery and Returns
PLEASE NOTE ALL *MADE TO MEASURE* AND *MADE TO ORDER* items cannot be cancelled once placed.
Made to order items cannot be returned unless they are faulty.
If you do cancel your order at any point we will only refund 50% of the value of your order.
Free Delivery is available for all orders and items in the United Kingdom Mainland over £100.00, orders under this value are a flat rate of £4.95.
We also deliver to most European and Worldwide destinations, different shipping rates are applicable for each country.
Please email us at sales@bedlinendirect.co.uk for a competitive courier quote.
Can I track my order?
To obtain the tracking number for your order, please contact our sales team at sales@bedlinendirect.co.uk
If there is a problem with my order who do I contact?
If there is a problem with your order, please contact our sales team at sales@bedlinendirect.co.uk
How long will it take for my order to arrive?
We use multiple destinations for our warehousing to reduce cost to our customers.
Our normal delivery times are between 3 and 5 days.
If this cannot be met we will contact you by email or telephone to inform you of any delay.
If your order has not arrived within the allotted time, please contact our sales team: sales@bedlinendirect.co.uk
Returns & Refunds
What if I change my mind?
We will accept returns for change of mind provided the return is from an address in Great Britain.
Within 14 days from the date of your receipt of the products and the products have not been used.
All products must be un-used and returned in their original packaging, fit for resale, (including the cardboard folded between the products and all retail packaging).
All returns MUST be notified by email to sales@bedlinendirect.co.uk before sending goods back to us.
All goods are to be returned at the buyer's expense.
We use third party warehousing to save costs and goods must be sent to the relevant location before a refund will be issued.WHAT IF A PRODUCT IS FAULTY OR INCORRECTLY DELIVERED?
Bedlinen Direct take extreme care in ensuring our goods are of the highest quality.
However, if for any reason you find that one of our products is faulty, or we have not delivered what you ordered, we would like to help you resolve the problem.
Returns will be accepted for products purchased online if they are faulty or the products delivered do not match your order.
You will need to provide proof of purchase (which may include the invoice, credit card statement or other payment statement) at the time of making the return.
If your item proves to be faulty or delivered incorrectly, we will refund the postage cost up to a maximum of £10.00 for returning the items to us.
WHAT IS THE PROCESS FOR RETURNS?
You can register your intention to return by email our sales team at sales@bedlinendirect.co.uk and we will guide you through the process.
Please do not send goods back without informing us first as we use multiple warehouse facilities.
You will need the correct address in order to ensure safe delivery of your returned item.
You will then receive a communication from us when the goods have been received.
All goods are to be returned at the buyer's expense.
Full refund or exchange will be given less any delivery charges all ready incurred subject to this criteria being met.
Please email us in the event that you are dissatisfied with the goods or service you have received.
Will we endeavour to rectify all issues within 24 hours to your total satisfaction (prior to any return of goods).
Bedlinen Direct will ensure all costs associated with returning faulty or incorrectly delivered goods, including delivery costs, is at no expense to you.
Returns of product:
All items should be returned in their original packaging.
This policy applies to products purchased from the website: www.bedlinendirect.co.uk.
All prices on our site are displayed in Pounds Sterling (GBP) and will be charged in Pounds Sterling.
WHAT ARE MY OPTIONS WHEN I RETURN AN ITEM BOUGHT FROM BEDLINEN DIRECT?
We provide two return options for faulty or incorrectly delivered products and where our change of mind policy applies.
These are:
1: Replacement
2: Full refund to your account (e.g. Credit/Debit card, PayPal etc.)
On occasion your requested replacement item may have sold out by the time your product is posted and received by us.
If your replacement is not available, a full refund will be processed.
How Long Will It Take To Get a Refund?
Once your goods have been received by Bedlinen Direct, please allow up to 10 working days for your credit to be processed back to your account.
You will receive an email confirming the receipt of your refund.
Who Gets The Refund If We Return a Gift?
The refund on a correctly returned item that was given as a gift will be credited to the original card or account used to purchase the gift.





















