Re-Poset Firm Orthopaedic Mattress 4FT6 Double & 5FT King UK Bed Mattress
4.8/5 – 12,618 Reviews
- 14-Day Returns (Standard Orders)
- Fast delivery 3-10 Days
- 24-Month Warranty Included
Description
The Re-Poset Firm Mattress is designed to provide exceptional orthopaedic support and long-lasting comfort for those who prefer a firmer sleeping surface. Engineered to promote healthy spinal alignment, this mattress helps distribute body weight evenly while reducing pressure on key areas such as the back, shoulders, and hips.
Its supportive construction delivers outstanding stability and durability, making it ideal for everyday use. The breathable sleeping surface encourages airflow to help maintain a fresh and comfortable sleeping environment throughout the night.
Whether you’re upgrading your master bedroom, furnishing a guest room, or replacing an existing mattress, the Re-Poset Firm Mattress offers dependable support, premium comfort, and quality craftsmanship for a restful night’s sleep.
Key Features
- ✔ Mattress Thickness: 8–10 Inch
- ✔ Firm Orthopaedic Support
- ✔ Helps Promote Healthy Spinal Alignment
- ✔ Pressure-Relieving Sleep Surface
- ✔ High-Density Support Core
- ✔ Breathable & Durable Construction
- ✔ Comfortable for Everyday Use
- ✔ Long-Lasting Performance
- ✔ Suitable for All Sleeping Positions
- ✔ Available in All UK Sizes
Mattress Sizes
- Single (3FT): 90 × 190 cm
- Small Double (4FT): 120 × 190 cm
- Double (4FT6): 135 × 190 cm
- King (5FT): 150 × 200 cm
- Super King (6FT): 180 × 200 cm
| Size | 3FT Single, 4FT Small Double, 4FT6 Double, 5FT Kingsize, 6FT Super Kingsize |
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Yes. All our beds and mattresses come with 5 Year Warranty & 60 Night Trial. If you’re not happy with your product, feel free to contact us via our helpdesk.
Your bed will be delivered within 5-7 working days. You will receive a text and email with a tracking link which contains the delivery date and time slot. This will be sent to you several days before the delivery.
We can’t guarantee a delivery date, however we will try our best to arrange a delivery around your schedule. Once you have placed your order, you can get in touch with us via our helpdesk to let us know your delivery preference.
Small single or single divan bases will arrive as one whole unit.
Small double, double, king & super king divan bases will arrive in two halves to make it easy and convenient to move around your home.
The headboard is delivered as a separate piece and must be attached when assembling the bed.
Yes. The bed will be without a mattress unless you select one of our handpicked best sellers as a bundle to get an even bigger saving. You can do this by selecting a mattress above.
Yes. We provide you with everything you need to assemble the bed. The only tool you need is a screwdriver.
Very easy! We know you don’t want to spend all day fiddling around with tools, so we provide everything you need to put your bed together in five minutes or less.
Yes! You get a free headboard with your bed in the same stunning design as the one pictured in the image above.
You can select the side of the drawers from the product selection above.
You can see the dimensions above.
Yes. Your safety is of the utmost importance to us and we ensure all our products conform to UK fire and safety regulations.

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