Available 
Harrison Spinks Quilted Fusion 4000 Pocket Mattress
from £799-£1,509.
£799-£1,509
Sizes tracked: Single, Double, King Size, Super King
Buying guide
Best pocket memory foam mattresses to compare
A compare-and-choose shortlist for pocket sprung mattresses, with firmness, comfort-layer and value differences explained clearly before you check the latest price.
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Last verified: 2026-11-07
Quick verdict
This is a comparison shortlist, not a single overall winner, and that matters because the range is narrow but the prices are not. The five mattresses span £248 to £1,509, with firmness labels including Medium, Firm and Extra Firm, so the best fit depends more on feel, support and size availability than on headline price alone. Start by checking whether you want the softer-feeling Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress, the firmer Premium Gold 2000 Pocket Extra Firm Mattress, or the more premium Harrison Spinks Quilted Fusion 4000 Pocket Mattress, then compare the latest retailer page for size and stock.
Top picks to compare
Start with Harrison Spinks Quilted Fusion 4000 Pocket Mattress (£799-£1,509), Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress (£464-£838), Premium Gold 2000 Pocket Extra Firm Mattress (£248-£524) because they give you a focused set of current retailer options to compare. The visible price range is £248-£1,509, so check whether the extra spend buys a useful specification difference rather than only a different brand or finish. The shortlist includes Harrison Spinks, Silentnight, MattressOnline, which helps you compare familiar brands against specification, delivery and value.
Available 
Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress
from £464-£838.
£464-£838
Sizes tracked: Single, Super King
Available 
Premium Gold 2000 Pocket Extra Firm Mattress
from £248-£524.
£248-£524
Sizes tracked: Small Single, Single, Small Double, Double, King Size, Super King
Available 
Harrison Spinks Bordley Natural 2750 Pocket Softer Mattress
from £544-£1,064.
£544-£1,064
Sizes tracked: Single, Double, King Size, Super King
Available 
Rock Hard Mega Firm 1500 Pocket Mattress
from £258-£474.
£258-£474
Sizes tracked: Small Single, Single, Small Double, Double, King Size, Super King
At-a-glance comparison
Use this table to scan the shortlist quickly before opening individual product pages. It covers Pocket Sprung, so compare like-for-like where possible before deciding which mattress best fits your usual sleep position, preferred firmness and bed-frame size. Firmness differences include Medium, Extra Firm, Firm; Firmness differences can matter as much as headline price when you are matching a product to a specific need.
| Product | Type | Firmness | Sizes | From |
|---|---|---|---|---|
| Harrison Spinks Quilted Fusion 4000 Pocket Mattress | Pocket Sprung | Check retailer | Single, Double, King Size, Super King | £799 |
| Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress | Pocket Sprung | Medium | Single, Super King | £464 |
| Premium Gold 2000 Pocket Extra Firm Mattress | Pocket Sprung | Extra Firm | Small Single, Single, Small Double, Double, King Size, Super King | £248 |
| Harrison Spinks Bordley Natural 2750 Pocket Softer Mattress | Pocket Sprung | Check retailer | Single, Double, King Size, Super King | £544 |
| Rock Hard Mega Firm 1500 Pocket Mattress | Pocket Sprung | Firm | Small Single, Single, Small Double, Double, King Size, Super King | £258 |
What the comparison shows
The common thread here is pocket sprung construction, which means the main support comes from individually responsive springs rather than a foam-led core. Where these mattresses differ most is in firmness and comfort layering: the Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress pairs 2000 Mirapocket springs with latex and EcoMemory Fibres, while the Premium Gold 2000 Pocket Extra Firm Mattress keeps things simpler with 2000 pocket springs and a firmer feel. Temperature comfort is worth keeping in mind too, because pocket sprung designs are usually the safer comparison point for shoppers who want a more breathable feel than memory-foam-led mattresses, even though no one product here is being promised as a cool-sleep guarantee.
Trade-offs to compare before buying
The biggest trade-off is support versus pressure-relief feel: firmer models can feel more stable, while the medium-soft Silentnight gives you more contouring comfort materials to compare. Price does not automatically equal a better match, either; the Premium Gold 2000 Pocket Extra Firm Mattress starts at £248, while the Harrison Spinks Quilted Fusion 4000 Pocket Mattress starts at £799, so the extra spend may reflect brand positioning, finish or construction rather than a universally better fit. Also check delivery terms, the 100-night comfort trial mentioned on retailer pages, and the guarantee length, because the Premium Gold model is listed with a 1-year guarantee while some others are shown with 5 years.
Why these picks made the shortlist
This shortlist contains 5 mattresses from 3 brands — Harrison Spinks, Silentnight and MattressOnline — which makes it useful as a practical comparison set rather than a broad market ranking. The product mix is intentionally narrow: all five are pocket sprung mattresses, so the page helps you compare feel, support and price within the same construction family instead of mixing in unrelated mattress types. That makes it especially helpful if you already know you want pocket sprung support and now need to decide which model looks best for your room, your bed frame and your budget.
Shortlist benchmark at a glance
The median starting price is £464, while the overall range runs from £248 to £1,509, so the shortlist covers entry-level value through to premium pricing. Visible firmness labels include Medium, Firm and Extra Firm, and variant coverage is moderate, with a median of 4 variants and up to 6 on some products, so size availability can easily become the deciding factor. If you are scanning quickly, the Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress sits near the median price point, while the Premium Gold 2000 Pocket Extra Firm Mattress is the lowest-priced option in the set.
How to choose between these mattresses
Start with the feel you want in bed: firmer options such as the Premium Gold 2000 Pocket Extra Firm Mattress suit shoppers who want a more solid surface, while the Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress is the clearer pick if you want a softer-feeling surface with latex and EcoMemory Fibres in the comfort layer. If you are looking at the premium end, the Harrison Spinks Quilted Fusion 4000 Pocket Mattress stands out for its 4000 pocket springs and firm feel, so it is worth comparing if you want a more luxury-positioned model rather than a budget buy. Before ordering, check bed-frame compatibility, available size options and the retailer care guidance, because the pages say to rotate the mattress every few months and depth can affect bedding and frame fit.
Value: what the higher price may buy
Value here is about specification fit, not just the lowest ticket price. The gap between £248 and £1,509 is wide enough that you should ask whether the extra spend gives you a firmer brand feel, more springs, a different comfort layer or simply a more premium finish; the Harrison Spinks Quilted Fusion 4000 Pocket Mattress is the obvious premium comparison point, while the Premium Gold 2000 Pocket Extra Firm Mattress is the budget anchor. Free delivery to most locations, old mattress removal service and the 100-night comfort trial all add practical value, but they are worth confirming on the retailer page at the time you buy, along with the latest price and availability.
Retailer details used
Last checked 2026-11-07. 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.
- Harrison Spinks Quilted Fusion 4000 Pocket Mattress | MattressOnlineproduct-page evidence for Harrison Spinks Quilted Fusion 4000 Pocket Mattress
- Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress - MattressOnlineproduct-page evidence for Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress
- Premium Gold 2000 Pocket Extra Firm Mattress | MattressOnlineproduct-page evidence for Premium Gold 2000 Pocket Extra Firm Mattress
- Silentnight Memory 1000 Pocket MattressManufacturer pressure-relief claims for a memory pocket mattress
- Silentnight Pocket Memory 2000 MattressManufacturer pressure-relief and cooler-sleep claims for a memory pocket mattress
- Innovation | Harrison SpinksManufacturer claims about in-house testing and pocket spring technology
Helpful next reads
Keep comparing with related reviews and buying guides before checking the latest retailer prices.
Buying questions
Are these actually pocket sprung mattresses rather than memory foam mattresses?
Yes. The supplied shortlist is pocket sprung-led, which means the core comparison is support from pocket springs, then comfort-layer differences such as latex or fibres. If you were expecting true memory-foam-led models, it is worth double-checking the retailer page before buying.
Which mattress feels firmer or softer in this shortlist?
The Premium Gold 2000 Pocket Extra Firm Mattress is the firmest clear option in the shortlist, while the Silentnight Lift Replenish 2000 Pocket Medium-Soft Mattress is the softer-feeling model. Harrison Spinks Quilted Fusion 4000 Pocket Mattress sits on the firmer side too, but the best match still depends on your size and support preference.
Is the most expensive mattress automatically the best value?
No. The Harrison Spinks Quilted Fusion 4000 Pocket Mattress is the most expensive starting point, but that does not automatically make it the best fit for every shopper. Compare the spring count, firmness, comfort layer, size availability and guarantee length, then check whether the extra spend brings a meaningful difference for your needs.
Do these mattresses come with delivery, removal and a comfort trial?
Retailer pages mention free delivery to most locations, old mattress removal service and a 100-night comfort trial on the shortlisted products. Those terms are useful, but they can change, so check the current retailer page before you place an order.
How important is spring count versus firmness and comfort layer?
Spring count is useful, but it should not be the only thing you compare. For these mattresses, the feel difference between Medium, Firm and Extra Firm, plus comfort materials such as latex or soft white fibres, is likely to matter more than the number on its own.