- KINGSIZE MATTRESS: Dimensions are approximately 5ft x 6ft (150cm x 200cm) with a depth of 20cm, making it the perfect fit for any standard kingsize bed
- MEMORY FOAM: Features a responsive memory foam layer that adapts to your body’s contours, offering personalised support, pressure relief, and enhanced comfort for a rejuvenating sleep experience.
- SOFT SLEEP SURFACE: Enjoy a plush, cozy feel with the soft-touch fabric, designed to provide a gentle and inviting sleep surface for enhanced comfort and relaxation throughout the night.
- MADE IN THE UK: Proudly manufactured in the UK using premium natural materials, our mattresses comply with British safety standards and meet UK regulations BS7177:2008 for domestic use. Certified by the National Bed Federation
- CONVENIENT DELIVERY: With our innovative packaging technology, the mattress is vacuum-sealed, rolled, and boxed for easy transport. Delivered right to your door, it’s simple to move to your desired room before unpacking and expanding
Starlight Beds Castle 8-Inch Hybrid Kingsize Memory Foam Mattress with Springs – Soft, Grey, (5ft x 6ft6)
Rated 4.11 out of 5 based on 9 customer ratings
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Starlight Beds Castle 8-Inch Hybrid Kingsize Memory Foam Mattress with Springs – Soft, Grey, (5ft x 6ft6)
£110.12
in stock
Amazon.co.uk

(5ft) Starlight Beds SB-1387 Cool Blue Memory Foam Sprung Mattress, Modern Grey Mattress
£182.45
in stock
Onbuy.com
Highest Price
£110.12
Amazon.co.uk
September 11, 2025
Lowest Price
£110.12
Amazon.co.uk
September 11, 2025
Since September 11, 2025
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Material composition | |
Upholstery material | Polyester |
Warranty summary | |
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What is in the box | 1x Mattress |
Top finish | Tight Top |
Footboard upholstery | |
care instructions | Do Not Flip, rotate it regularly. Every other month, Rotate Regularly, To extend the life of your mattress, use a soft brush to remove dust and fluff. Address stains and spills right away by removing the sheets and stripping the mattress down to its core. |
Disclaimer | United Kingdom |
Publisher code | |
Number of boxes | |
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Date First Available |
9 reviews for Starlight Beds Castle 8-Inch Hybrid Kingsize Memory Foam Mattress with Springs – Soft, Grey, (5ft x 6ft6)
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Amazon Customer –
The mattress came 2 days earlier than first notified. The quality is very good. So comfortable that it’s hard to get out of bed. Very pleased with the item.
ADB –
I’m very pleased with my mattress. It’s very comfortable and I have slept much better since I started to use it. Now when I get up in a morning I’m not as stiff and my joints are less painful which means I can move much more easily. If anything I would say that it is a little bit too soft but perhaps that is because I’ve been used to a much firmer one and I am getting more used to it.
I do however have one complaint about the delivery. The mattress was not delivered on the original date, I did get a message late at night to say it would be delivered either the next day or the day after that. The following morning my House Manager arrived at my door accompanied by our regular Postman. The Postman as he was arriving at our block of flats had seen the delivery man remove the box from his van and literally dump it on the the ground outside our main entrance, get back in his van and drive off. The Postman having gained authorised entry spoke to our House Manager and told her what he had seen and that there was a very large box outside in the rain. He then extremely helpfully assisted our manager to bring it into the building and up to my flat. I had at no point been contacted by the delivery man. There would have been no way I would have been able to bring the box in on my own nor assist my manager to do so as I have arthritis and cannot lift. If the Postman hadn’t been there to witness what happened and been willing to help I don’t know how long the box might have been left there in the rain.
To sum up, I am extremely satisfied with the mattress but extremely dissatisfied with the delivery.
M –
Needed a small double mattress for the spare room. Spent a couple of hours looking about and comparing between different mattress makes and their features, finally decided to give this one a try, although I was a bit wary due to some of the negative reviews I had read.
Decided ‘What the heck!’, and gave it a try. Glad I purchased it. It is a lovely mattress, and a bargain for the price.
Fits perfect on the small double frame I have. I left it about a day and half to really open up fully. Worked well. Quite deep, medium firm, very comfortable. Added a mattress protector on top for additional protection and comfort (although it really doesn’t need anymore padding for comfort).
I would recommend this product to others, especially if you need something quick, comfortable and at a good price. Delivery was fairly rapid. Delivery guy was pleasent. I’m happy with this product.
Cymru am Byth –
Look, these are cheap. But they are very comfortable. I don’t know how long they will last. But for the price you could replace the, every year and still be cheaper than the shop bought ones and the ones that give you a 60 day guarantee. I have spondylitis, so move a lot during the night normally to get comfy. I still move a lot. But not because I’m trying to get comfy. I’m moving to keep my back moving. That is important in spondylitis. But I don’t wake up at all while moving because I’m not in pain. These beds are neither soft or hard. They are somewhat in between. If you are going to buy a bed online without trying it first, I don’t see the point of spending too much money. Because something costs more, doesn’t necessarily mean that it will be better. Personally I feel these mattresses are so comfy I sleep well and don’t wake up with backache in the morning. But everybody is different. Other people might not find it the same
Ciara Taylor –
I have so much to complain about with delivery, getting 2 sent out to me, the whole delivery was a complete disaster, so so late and stressed me out beyond belief, but I’ve got to say, im in love. This is all in all the softest and comfiest mattress I have owned! I am so pleased with it and couldnt be more happy. Delivery (for me personally) was clearly awful, but the product is insane!
K –
Great mattress, very comfy for my son and has a built in topper.
G machin –
Better than expected
David Rodrigues –
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Shame I can give 0 stairs. Very bad mattress, is nothing like described and is very thin. Images are very misleading and the mattress I got is even totally different than the ones I saw pics of other costumers.
Not worth it even on a budget. For more 20/30£ there are better mattresses on here.
shane ryan –
Very basic mattress but you get what you pay for, comes rolled up in a narrow box.