Available 
Silentnight Air Plus 800 Mirapocket Mattress
from £267-£547.
£267-£547
Sizes tracked: Single, Small Double, Double, King Size, Super King
Silentnight Pocket Sprung
Silentnight Kids 600 Mirapocket Mattress review
Silentnight Kids 600 Mirapocket Mattress is a medium-feel pocket-sprung option with 2 sizes, retailer reassurance and a price that sits well below many comparable mattresses.
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Last verified: 2026-10-01
Quick verdict
Silentnight Kids 600 Mirapocket Mattress is a sensible shortlist option for children’s rooms and guest rooms if you want a medium-feel pocket-sprung mattress with clear retailer reassurance. The current price range is £229-£255, there are just 2 tracked sizes, and the visible specification is aimed more at straightforward fit than broad customisation. If you already know you need Single or Small Double, it is worth comparing on value and feel rather than assuming the lowest price wins.
Available sizes and prices
Silentnight Kids 600 Mirapocket Mattress is listed with 2 size options from £255-£289. The visible sizes include Single, Small Double, so use the table to compare the option that matches the exact size, colour, format or specification you want. Always confirm the final checkout price, delivery charge and stock status on the retailer page.
Key product details
These are the retailer details worth checking first for Silentnight Kids 600 Mirapocket Mattress: Brand: Silentnight; Type: Pocket Sprung; Sizes tracked: Single, Small Double; Price range: £255-£289. Treat them as a quick fact sheet, then use the retailer page to verify any installation, warranty, delivery or model-number details before buying.
| Brand | Silentnight |
|---|---|
| Type | Pocket Sprung |
| Sizes tracked | Single, Small Double |
| Price range | £255-£289 |
| Owner rating signal | 4.8 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-10-01 |
What the product page shows
The MattressOnline listing names Mirapocket springs, Air Plus fibre comfort and Soft White Fibres in the comfort layer, with a medium firmness rating. It also shows a 100-night comfort trial, a 5-year guarantee and handcrafted-in-the-UK wording, which are useful reassurance points to compare with other children’s mattresses. Those are retailer page details, so it is still worth checking the final size selection, delivery terms and checkout price before you buy.
What the wider comparison points suggest
The strongest buying signals here are the retailer-hosted 4.8 out of 5 rating from 53 reviews, the handcrafted-in-the-UK note and the price position below the peer median of £599 across 187 comparable pocket-sprung mattresses. That makes this look more like a value-led children’s mattress than a premium all-rounder, especially given the limited size range of 2 tracked variants. Independent review coverage for this exact model appears limited, so the review score is helpful context rather than proof of long-term performance.
Buyer trade-offs to weigh up
The main trade-off is medium feel versus a firmer surface: the visible review snippets are mostly positive, but one comment says it felt softer than expected, so firmness preference matters. The other big trade-off is simplicity versus choice, because this model only appears in Single and Small Double sizes, while many comparable pocket-sprung mattresses offer broader ranges. If the 100-night trial and 5-year guarantee matter to you, compare those reassurance features against any alternative that offers a firmer feel or more size options.
Price and value benchmark
At £229 for the Single and £255 for the Small Double, Silentnight Kids 600 Mirapocket Mattress sits well below the £599 median of comparable pocket-sprung mattresses. That does not make it automatically better value, but it does mean the price is competitive if the medium feel and size choice match your needs. Because only 2 variants are tracked, compare the final checkout price and delivery cost carefully, as those can change the value picture quickly.
How it compares with nearby alternatives
Against nearby Silentnight options such as the Silentnight Air Plus 800 Mirapocket Mattress, this model looks more limited on size choice and lower on the price ladder, but it may suit a simpler children’s setup better. Compared with options like the Aspire Pocket+ 1000 Tufted Mattress or Bodyshape Boost 1000 Pocket Memory Mattress, the key difference is not just brand but the specific mix of pocket-sprung construction, size range and price spread. The product page’s breathable fibre comfort wording should be treated as a product claim, so compare it with alternatives on specification rather than assuming a proven cooling advantage. These are the most relevant comparators because they sit in the same pocket-sprung buying lane, but offer different prices, variant counts and size spreads that may better match a child’s room or guest room.
How much weight to give the reviews
The visible review detail is positive, with 4.8 out of 5 from 53 reviews shown on the retailer page, but it is retailer-hosted feedback rather than independent lab evidence. Snippets suggest comfort and child suitability, while one softer-than-expected comment is a useful reminder that feel can be subjective. Because independent third-party coverage for this exact model is thin, the rating is best used as confidence-building context, not as a guarantee that the mattress will suit every child.
Who it suits
This mattress looks best suited to children and guest rooms where the shopper wants a straightforward size choice and a medium-feel pocket-sprung construction. If you are choosing between Single and Small Double, the narrow range can make the decision easier, especially for a child’s room with a fixed bed frame. It also suits shoppers who value the 100-night comfort trial and 5-year guarantee as part of the buying decision.
Who should consider alternatives
Look elsewhere if you already know you prefer a firmer feel, because the available information points to a medium mattress and one review comment suggests a softer-than-expected sensation. Shoppers who need more than 2 sizes should also compare broader ranges, since this listing is more limited than many pocket-sprung alternatives. If you want stronger independent review coverage for the exact model, the current evidence base is not especially deep.
Comfort and support
On the MattressOnline page, the Silentnight Kids 600 Mirapocket Mattress combines Mirapocket springs with Air Plus fibre comfort and Soft White Fibres, and it is listed as a medium mattress. That combination points to a more balanced feel than a very firm one, which can suit children or guest rooms where the sleep-position fit is fairly straightforward and the shopper wants some cushioning as well as pocket-sprung support. The comfort caveat is simple: this is product-page comfort wording, not independent evidence, so shoppers who need a firmer surface or have a very specific feel preference should compare alternatives rather than relying on the breathable fibre description alone.
Value verdict
On price alone, the Silentnight Kids 600 Mirapocket Mattress looks competitive, especially with the £229-£255 range, the 100-night comfort trial and the 5-year guarantee. The value case is strongest when the Single or Small Double size fits exactly, because the limited range means you are paying for a focused children’s mattress rather than a broad all-size lineup. Check the final delivery cost and checkout price before deciding, since those details can change the real value.
Good alternatives to compare
The closest alternatives to compare with Silentnight Kids 600 Mirapocket Mattress include Silentnight Air Plus 800 Mirapocket Mattress, Bodyshape Boost 1000 Pocket Memory Mattress, Silentnight Air Plus 1000 Mirapocket Mattress. Use these cards to check whether a nearby model gives you a better price, a more suitable specification or a clearer match for your space and budget.
Available 
Bodyshape Boost 1000 Pocket Memory Mattress
from £254-£498.
£254-£498
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Silentnight Air Plus 1000 Mirapocket Mattress
from £315-£615.
£315-£615
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-10-01. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.
More mattresses to compare
These related guides and reviews can help you compare nearby options before buying.
Questions about this mattress
Is the Silentnight Kids 600 Mirapocket Mattress suitable for children?
Yes, it is positioned as a children’s mattress and the retailer review snippets include positive comments about child suitability. It looks most relevant for shoppers who want a medium-feel pocket-sprung option for a child’s room or a guest room, but you should still check size and firmness fit.
Does the medium firmness suit a child who prefers a firmer feel?
It may not be the safest match if firmness is the priority, because the page lists a medium firmness and one review comment says it felt softer than expected. If you want a firmer surface, compare alternatives before choosing, and check the retailer page for the latest details.
How does the price compare with other pocket-sprung mattresses?
At £229-£255, it sits well below the £599 median of comparable pocket-sprung mattresses in the current benchmark set. That makes it look value-led, but you should compare the final checkout price, delivery cost and size options before deciding.
Are the 100-night trial and 5-year guarantee available on the chosen size?
The MattressOnline product page shows both the 100-night comfort trial and the 5-year guarantee on the listing, but it is still sensible to confirm the selected size at checkout. That keeps the reassurance feature tied to the exact Single or Small Double you plan to buy.
What sizes are available and will they fit the intended bed frame?
The tracked sizes are Single and Small Double, so this is a narrower range than many pocket-sprung mattresses. Check the bed frame measurements and any room-space limits before buying, especially if you are replacing an existing kids’ bed mattress.