Available 
Bodyshape Boost 1000 Pocket Memory Mattress
from £299-£589.
£299-£589
Sizes tracked: Single, Small Double, Double, King Size, Super King
Horizon Pocket Sprung
Horizon Juno 5000 Pocket Memory Mattress review
Horizon Juno 5000 Pocket Memory Mattress is a medium-feel pocket sprung mattress with memory foam comfort, five size options and a value-led price position to compare carefully against nearby alternatives.
Sleep Savvy may earn a commission if you buy through links on this site.
Last verified: 2026-07-01
Quick verdict
Horizon Juno 5000 Pocket Memory Mattress looks like a sensible shortlist choice if you want a medium-feel pocket sprung mattress with memory foam comfort rather than an all-foam build. The starting price of £310 is low versus the current comparable median, but the decision really comes down to whether the size you need, the live price and the limited review evidence still stack up when you check out.
Available sizes and prices
Horizon Juno 5000 Pocket Memory Mattress is listed with 5 size options from £310-£815. 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.
| Size | Firmness | Price | Stock | Last checked | Link |
|---|---|---|---|---|---|
| Single | Check retailer | £310 | In stock | 2026-07-01 | View |
| Small Double | Check retailer | £421 | In stock | 2026-07-01 | View |
| Double | Check retailer | £585 | In stock | 2026-07-01 | View |
| King Size | Check retailer | £678 | In stock | 2026-07-01 | View |
| Super King | Check retailer | £815 | In stock | 2026-07-01 | View |
Key product details
These are the retailer details worth checking first for Horizon Juno 5000 Pocket Memory Mattress: Brand: Horizon; Type: Pocket Sprung; Sizes tracked: Single, Small Double, Double, King Size, Super King; Price range: £310-£815. 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 | Horizon |
|---|---|
| Type | Pocket Sprung |
| Sizes tracked | Single, Small Double, Double, King Size, Super King |
| Price range | £310-£815 |
| Owner rating signal | 5.0 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-07-01 |
What the product page says
Mattress Online describes the Horizon Juno 5000 as supportive, durable and sumptuously cosy, with pocket springs as the support system and memory foam as the comfort layer. The page also mentions a 100-night comfort trial, a 5-year guarantee and medium firmness, while noting that mattress depth matters for bedding and bed-frame compatibility. That combination makes it look like a balanced everyday option, but the exact depth should be confirmed on the live listing before you buy.
What stands out in the wider comparison
The most useful comparison point is price: at £310 to £815 across five sizes, this model starts below the current comparable-product median of £584, so it sits in a value-friendly part of the market. It also has five tracked variants, which is above the median peer range of four, so there is a broader size spread than many pocket sprung rivals. The main caution is the review details: a 5.0 rating is shown, but only one visible review means the owner feedback base is too thin to treat as strong proof of long-term comfort.
Buyer trade-offs to weigh up
The key trade-off is feel versus construction: Horizon Juno 5000 uses pocket springs with a memory foam comfort layer, so it should suit shoppers who want a cushioned but supported surface, while buyers who prefer a firmer ortho feel or a more foam-led mattress should compare other options first. The other trade-off is size versus price, because the tracked range runs from £310 for Single to £815 for Super King, with Small Double at £421, Double at £585 and King Size at £678. Before checkout, compare the live price, delivery terms, guarantee status and whether the current listing still includes the comfort trial.
Price and value benchmark
At £310 for the entry size, Horizon Juno 5000 sits below the current comparable-product median of £584, which gives it a competitive starting position. The full tracked range from £310 to £815 shows that value varies sharply by size, so a Double at £585 or King Size at £678 should be judged against what similar pocket sprung mattresses cost right now, not just against the single-size headline. If the live price is still close to the tracked figures, it looks more like a shortlist value buy than a premium-priced option.
How it compares with nearby alternatives
If you are still comparing, look at the Horizon Adventurer 1000 Pocket Memory Mattress at £285 to £505, which is another Horizon pocket sprung option and may suit shoppers who want a lower top-end price. The Bodyshape Boost 1000 Pocket Memory Mattress runs from £299 to £589, so it is a closer price match if you want a similar memory foam and pocket spring mix. The Bodyshape Ultra Ortho 1500 Pocket Mattress is firmer and spans £328 to £577, which makes it useful if you are deciding between a medium-feel hybrid and a more structured alternative. If size availability matters most, compare whether each rival covers Single through Super King before you choose.
How much weight to give the rating
The visible owner signal is a 5.0 average rating, but it is backed by only 1 visible review, so it should be treated as a very small sample rather than strong proof. That matters because mattresses are highly feel-dependent, and one positive comment cannot tell you much about support, comfort over time or whether the medium firmness suits your sleep style. Use the rating as a small confidence nudge, not as the main reason to buy.
Who this mattress suits
This looks most suitable for everyday shoppers who want a medium-feel mattress with pocket sprung support and memory foam cushioning. It should also appeal to value-focused buyers who want a brand-name option with five size choices, a 100-night comfort trial and a 5-year guarantee on the current page. If you like the idea of a balanced, slightly cushioned feel rather than a very firm or very soft mattress, it is worth shortlisting.
Who should keep looking
If you already know you need a very specific firmness level, Horizon Juno 5000’s medium rating may be too general, especially if you are comparing it with firmer options like the SleepSoul Luna Posturezone 1000 Pocket Ortho Mattress or the Bodyshape Ultra Ortho 1500 Pocket Mattress. Shoppers who want more owner-review evidence than the current 5.0 rating from 1 visible review should also keep comparing, because that is not much proof of long-term comfort. In that case, use the Horizon Juno 5000’s £310 starting price and five-size spread as a benchmark rather than a final answer.
Comfort and support
On the Mattress Online page, the Horizon Juno 5000 Pocket Memory Mattress is presented as a medium-firm pocket sprung mattress with a memory foam comfort layer, and that combination is aimed at a balanced feel rather than an all-foam sink or a very rigid surface. In practical terms, medium firmness is usually the broadest fit category, but comfort is still personal: some sleepers will want more pushback, while others may prefer a softer top feel. The retailer also says the mattress depth matters for bedding and bed-frame compatibility, so confirm the live depth alongside the comfort trial before ordering.
Value check
The value case for Horizon Juno 5000 depends on the live size you choose and whether the current listing still carries the 100-night comfort trial and 5-year guarantee. The five-size spread from Single to Super King makes it flexible, but the bigger sizes move the total spend up quickly, so the best-value choice may simply be the size that fits your room without forcing you into a pricier bracket. With a thin review base, the strongest reason to buy is the price/spec mix, not the owner rating alone.
Good alternatives to compare
The closest alternatives to compare with Horizon Juno 5000 Pocket Memory Mattress include Bodyshape Boost 1000 Pocket Memory Mattress, Bodyshape Ultra Ortho 1500 Pocket Mattress, Horizon Odyssey 800 Pocket Memory 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 Ultra Ortho 1500 Pocket Mattress
from £328-£577.
£328-£577
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Horizon Odyssey 800 Pocket Memory Mattress
from £249-£475.
£249-£475
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-07-01. 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 Horizon Juno 5000 Pocket Memory Mattress worth shortlisting?
Yes, if you want a medium-feel pocket sprung mattress with memory foam comfort and a value-led starting price of £310. It looks most appealing for everyday comfort shoppers, but you should still check the live size price, trial terms and mattress depth before buying.
Does the price change by size?
Yes. The tracked range runs from £310 for a Single up to £815 for a Super King, with Small Double at £421, Double at £585 and King Size at £678. That means value depends heavily on the exact size you choose, so compare the live listing for the size you actually need.
How much trust should I place in the 5.0 rating?
Not a lot on its own. The page shows a 5.0 average rating, but only 1 visible review, so the feedback base is too small to be strong evidence about long-term comfort or support. Treat it as a small positive signal, then rely more on the specs, trial and comparison price.
What should I compare before buying?
Check firmness, construction, size and mattress depth first, then confirm the 100-night comfort trial, 5-year guarantee and current delivery details on the live Mattress Online page. It is also worth comparing it with other pocket sprung mattresses around the £310 to £585 range.