Available 
Sealy Mellbreak Ortho Plus Mattress
from £314-£568.
£314-£568
Sizes tracked: Single, Small Double, Double, King Size, Super King
Silentnight Orthopaedic
Silentnight Ortho Dream Star Miracoil Mattress review
Silentnight Ortho Dream Star Miracoil Mattress is a firmer orthopaedic option with five tracked sizes, a 100-night comfort trial and a 5-year guarantee. It looks value-led rather than luxury-led, but check the latest price, delivery terms and stock before buying.
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Last verified: 2026-10-20
Quick verdict
Silentnight Ortho Dream Star Miracoil Mattress is a sensible shortlist pick if you want a firmer-feeling orthopaedic mattress rather than a softer, sink-in feel. With tracked prices from £233 to £457 depending on size, it sits in a relatively accessible part of the market, so the key check is whether the current size, delivery terms and checkout price still suit your bed frame and budget.
Available sizes and prices
Silentnight Ortho Dream Star Miracoil Mattress is listed with 5 size options from £285-£490. The visible sizes include Single, Small Double, Double, King Size, 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 Ortho Dream Star Miracoil Mattress: Brand: Silentnight; Type: Orthopaedic; Firmness: Firm; Sizes tracked: Single, Small Double, Double, King Size, Super King. 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 | Orthopaedic |
| Firmness | Firm |
| Sizes tracked | Single, Small Double, Double, King Size, Super King |
| Price range | £285-£490 |
| Owner rating signal | 4.5 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-10-20 |
What the product page says
Mattress Online describes this Silentnight model as using a Miracoil spring system with Eco Comfort Fibres, plus a 100-night comfort trial and a 5-year guarantee. The listing also says it is handcrafted in the UK, which gives shoppers a clear set of practical comparison points when weighing up construction, aftercare and trial terms on an orthopaedic mattress. Taken together, the page presents a firmer support-led build rather than a plush or pillow-top style.
What wider comparison checks add
The comparison data points to value rather than premium positioning. At £233 for the starting size, this mattress sits below the peer median of the tracked orthopaedic set, with 5 comparable options starting lower and 20 starting higher. It also has 5 tracked sizes, which is more choice than the peer median of 2, so it should suit a wider spread of bed setups. Confidence is still limited by the lack of strong independent evidence evidence for this exact model, so reviews should be treated as supporting context rather than final proof.
Buyer trade-offs to weigh
The main trade-off here is firmer support versus a softer comfort feel. That makes the Silentnight Ortho Dream Star Miracoil Mattress more relevant for shoppers who actively want an extra-firm or firm surface, but less appealing if you usually prefer cushioning or side-sleep comfort. Price is another factor: compared with nearby orthopaedic options such as Bodyshape Vitality Tufted Ortho Mattress and Sealy Harlow Ortho Plus Mattress, this Silentnight sits in a middle zone where the trial, guarantee and size spread may justify the cost if you value them.
Price and value benchmark
Tracked pricing for this mattress runs from £233 for Single up to £457 for Super King, so the size choice makes a meaningful difference to what you pay. Relative to the current comparison set, it sits below the peer median, with 5 comparable options starting lower and 20 starting higher. That does not make it the cheapest orthopaedic route in, but it does suggest a competitive price for a firmer Silentnight model with a 100-night comfort trial and 5-year guarantee. Check the latest checkout price because delivery terms and stock can change.
How it compares with nearby alternatives
Against nearby orthopaedic alternatives, the main difference is support system and practical fit rather than a completely different category. The Silentnight uses Miracoil springs, which the retailer positions as extra firm orthopaedic support, while alternatives such as Bodyshape Vitality Tufted Ortho Mattress start lower on price and Sealy Harlow Ortho Plus Mattress or Sealy Mellbreak Ortho Plus Mattress sit higher. If you are choosing between them, compare firmness wording, the spring or support system, the size list, and whether the mattress depth works with your bed frame and bedding.
Review details and confidence
The visible product rating is 4.5/5, which is a positive sign, and the retailer-hosted comments lean toward firmness, support and better sleep wording. But the product page itself does not show a meaningful review count, so the rating should be treated as supporting context rather than proof on its own. In other words, the review details support the mattress’s positioning, but they do not replace checking the exact size, price and fit for your sleeping style.
Who it suits
This mattress should suit shoppers who want a firmer surface and a more support-led feel from a well-known UK brand like Silentnight. At the £233 starting price for Single, it is especially relevant for back or front sleepers who usually prefer a stable, extra-firm bed rather than a softer, sink-in feel. The Super King option may also appeal if you have a larger frame, share a bed, or want a bigger mattress for a spacious bedroom.
Who should avoid it
Skip this one if you prefer plush, softer comfort or you already know that firmer orthopaedic mattresses feel too rigid for you. It is also a weaker match if you want stronger independent evidence evidence before buying, because the available evidence is mostly retailer and merchant-review based. Budget shoppers should compare the Bodyshape Vitality Tufted Ortho Mattress and the Classic Gold alternatives as well, since some nearby options start lower in price than this Silentnight range.
Comfort and support
Silentnight positions the Ortho Dream Star Miracoil Mattress as an orthopaedic, firm mattress, and that is the clearest comfort clue. The retailer highlights a Miracoil spring system for extra firm support and Eco Comfort Fibres for the comfort layer, so the overall feel is best read as structured and support-led rather than soft or sinking. In practical terms, that should suit back or front sleepers who want a steadier surface, while side sleepers who prefer more cushioning may find the feel too rigid. At a starting price of £233, it is a straightforward build for shoppers who value support wording and a firmer surface over a plusher finish.
Value verdict
On value, this looks more compelling than luxurious. The 100-night comfort trial and 5-year guarantee give the purchase a better safety net than a bare-bones orthopaedic model, while the £233-£457 price spread keeps it in a realistic range for five common sizes. If the current size, firmness and delivery terms match what you need, it offers a solid feature-to-price balance; if not, the better move is to compare the Sealy and Bodyshape alternatives before checkout.
Good alternatives to compare
The closest alternatives to compare with Silentnight Ortho Dream Star Miracoil Mattress include Sealy Mellbreak Ortho Plus Mattress, SleepSoul Luna 1500 Ortho Pillow Top Mattress, Sealy Harlow Ortho Plus 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 
SleepSoul Luna 1500 Ortho Pillow Top Mattress
from £343-£645.
£343-£645
Sizes tracked: Single, Small Double, Double
Available 
Sealy Harlow Ortho Plus Mattress
from £288-£488.
£288-£488
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-10-20. 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 Silentnight Ortho Dream Star Miracoil Mattress a good fit if I want a firmer feel?
Yes, that is the clearest match for this model. Mattress Online describes it as firm to extra firm with Miracoil springs and Eco Comfort Fibres, so it is aimed at shoppers who want a more support-led surface rather than a plush one.
What should I check about the 100-night comfort trial and 5-year guarantee?
Check the retailer’s current terms before ordering, especially how returns work, whether the trial has conditions and what the guarantee actually covers. Those protections add value, but only if the size, delivery method and any exclusions suit your purchase.
Is the 4.5/5 review rating enough to rely on by itself?
Not by itself. The 4.5/5 figure is a positive signal, and visible comments mention firmness and support, but the product page does not show a meaningful review count. Treat it as supporting context and still compare price, firmness and size options.
Which sizes are available and does the price vary much by size?
Yes. The tracked sizes are Single, Small Double, Double, King Size and Super King, with prices running from £233 to £457. That spread is wide enough that it is worth checking the exact size you need before comparing it with other orthopaedic mattresses.
How does it compare with nearby orthopaedic alternatives on price and support style?
This Silentnight sits below the peer median price and uses Miracoil springs, so it reads as a value-led, firmer support option. Bodyshape Vitality Tufted Ortho Mattress starts lower, while Sealy Harlow Ortho Plus Mattress and Sealy Mellbreak Ortho Plus Mattress start higher, so those are the most useful benchmarks for price and feel.