Available 
Wentworth Mercer Deluxe Naturals 5000 Pocket Mattress
from £615-£1,118.
£615-£1,118
Sizes tracked: Single, Small Double, Double, King Size, Super King
Millbrook Beds Pocket Sprung
Millbrook Wool Luxury 5000 Pocket Mattress review
Millbrook Wool Luxury 5000 Pocket Mattress is a soft-to-medium pocket sprung shortlist for shoppers comparing natural fillings, depth and price rather than chasing the lowest tag.
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Last verified: 2026-07-21
Quick verdict
Millbrook Wool Luxury 5000 Pocket Mattress looks like a sensible shortlist if you want a softer-feeling pocket sprung mattress with natural fillings and a premium finish. The key reasons to look are the 5000 pocket springs, soft-to-medium firmness, 32cm depth, 100-night comfort trial and 10-year warranty. Check the latest price and size availability at Mattress Online, because the tracked range runs from £488 to £964 depending on size.
Available sizes and prices
Millbrook Wool Luxury 5000 Pocket Mattress is listed with 5 size options from £619-£1,255. 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 | £619 | In stock | 2026-07-21 | View |
| Small Double | Check retailer | £935 | In stock | 2026-07-21 | View |
| Double | Check retailer | £935 | In stock | 2026-07-21 | View |
| King Size | Check retailer | £1,045 | In stock | 2026-07-21 | View |
| Super King | Check retailer | £1,255 | In stock | 2026-07-21 | View |
Key product details
These are the retailer details worth checking first for Millbrook Wool Luxury 5000 Pocket Mattress: Brand: Millbrook Beds; Type: Pocket Sprung; Sizes tracked: Single, Small Double, Double, King Size, Super King; Price range: £619-£1,255. 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 | Millbrook Beds |
|---|---|
| Type | Pocket Sprung |
| Sizes tracked | Single, Small Double, Double, King Size, Super King |
| Price range | £619-£1,255 |
| Owner rating signal | 4.6 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-07-21 |
What the product page tells us
The Mattress Online listing shows a pocket sprung build with 5000 springs, wool, silk, cashgora and cotton fibres, plus a soft-to-medium firmness rating. It is double-sided, with edge support, air vents and turning handles, which are practical details for turning, airflow and everyday handling. The listed depth is 32cm across Single, Small Double, Double, King Size and Super King, so it is worth checking bedding and bed-frame clearance before ordering.
What the listing means in practice
The main takeaway is that this is a natural-feel pocket sprung shortlist rather than a firm or all-foam mattress, so it will appeal more to shoppers who prefer a gentler surface. The wool, silk, cashgora and cotton mix suggests a comfort layer aimed at a softer, more tactile feel without turning the mattress into a foam-led design. The 32cm depth is a useful buying detail because it can affect fitted sheet depth, topper choice and whether a bed frame leaves enough clearance. Five tracked sizes give a broader choice than many mattresses in this class, and the current price spread of £488-£964 makes the size decision part of the value equation.
Buyer trade-offs to weigh up
The main trade-off is comfort feel versus support preference: soft-to-medium will suit some shoppers well, but it may not be the right pick if you usually prefer a much firmer mattress. The other trade-off is natural fillings versus alternative constructions such as simpler pocket sprung or foam-based options, which may suit different budgets and feel preferences. Because the starting price sits below the comparable-product median of £584, the model looks reasonably positioned, but you should still confirm the live trial, warranty and delivery terms at checkout.
Price and value benchmark
Tracked pricing runs from £488 for the Single up to £964 for the Super King, so this is a mattress where size has a real impact on final spend. That starting point sits below the comparable-product median of £584, which helps it look competitive for a natural-fibre pocket sprung design. The five tracked sizes also give it more flexibility than the median peer set, but shoppers should confirm the final checkout price, delivery charge and stock status before deciding.
How it compares with nearby alternatives
Against nearby pocket sprung alternatives, the main comparison points are spring count, firmness and size spread rather than a simple like-for-like price race. Millbrook Wool Luxury 5000 Pocket Mattress sits in the same broad bracket as Millbrook Wool Luxury 1500 Pocket Pillow Top Mattress, Millbrook Smooth Tech Luxury 1000 Pocket Mattress and Sleepeezee Wool Luxe 1200 Pocket Mattress, so it is worth comparing whether you want a higher spring count, a different comfort feel or a different price band. If you want a softer natural-feel mattress with a wide size list, this one is worth comparing on construction and depth; if you want a different firmness or a lower-spend spec, those alternatives may fit better.
What the review details does and does not tell you
The visible owner review details is 4.6 out of 5 from 101 reviews, which is encouraging but not enough on its own to prove long-term comfort for every sleeper. Treat it as a supportive sign that the listing is landing well with some buyers, not as a substitute for active testing, long-term ownership data, cooling evidence or orthopaedic performance. It is also sensible to check how recent the reviews are and whether the same product listing is still carrying the same rating at the time you buy.
Who it suits
This mattress should suit shoppers who prefer a gentler surface and want a natural-feeling pocket sprung build rather than a firmer all-foam feel. At the current tracked price, it starts from £488 in Single size and rises to £964 in Super King, so it also suits buyers who are comparing spend across the full size range at Mattress Online. It makes sense for households that need choice across Single, Small Double, Double, King Size and Super King, especially if the 32cm depth and double-sided format fit their current bed setup. If you normally like a softer-to-medium feel, the specification is at least aligned with that preference.
Who should avoid it
If you know you usually want a much firmer mattress, this soft-to-medium Millbrook Beds model is probably not the most natural shortlist pick. A shopper who wants a firmer feel, a slimmer profile or a different construction may be better served by comparing alternatives before choosing this 32cm-deep pocket sprung mattress. It is also worth skipping until you have checked bed-frame clearance, fitted sheet depth and any topper plan, because the 32cm profile is substantial. Shoppers comparing a tighter budget should remember the Single starts at £488, so if that is already above your target or you prefer a simpler pocket sprung or foam-led build, look at alternatives with a firmer feel or a different spec.
Comfort and support
The comfort story here comes from the pocket sprung support system, the 5000 springs and the natural-fibre comfort layer mix of wool, silk, cashgora and cotton. That combination suggests a mattress aimed at a balanced but softer-feeling surface rather than a rigid or heavily foam-led feel, with the double-sided design and edge support adding practical everyday handling points. The useful buying point is everyday comfort and support, not a medical outcome, so compare it with your usual firmness preference and bed setup rather than expecting any pain-relief claim.
Value check
At its current tracked price, Millbrook Wool Luxury 5000 Pocket Mattress looks fairly positioned for a premium natural-material pocket sprung mattress, especially with a 100-night comfort trial and 10-year warranty shown on the listing. The visible 4.6 out of 5 rating and 101 reviews offer a helpful shortlisting signal, but they should support your decision rather than make it for you. The value case is strongest if the 5000-spring build, 32cm depth and double-sided format are all features you will actually use. Before buying, check the live stock, final price, delivery terms and whether the trial and warranty still apply to your chosen size.
Good alternatives to compare
The closest alternatives to compare with Millbrook Wool Luxury 5000 Pocket Mattress include Wentworth Mercer Deluxe Naturals 5000 Pocket Mattress, Sleepeezee Wool Luxe 3700 Pocket Pillow Top Mattress, Millbrook Wool Luxury 3000 Pocket Pillow Top 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 
Sleepeezee Wool Luxe 3700 Pocket Pillow Top Mattress
from £629-£1,249.
£629-£1,249
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Millbrook Wool Luxury 3000 Pocket Pillow Top Mattress
from £529-£1,005.
£529-£1,005
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-07-21. 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 Millbrook Wool Luxury 5000 Pocket Mattress worth shortlisting for everyday comfort and value?
Yes, if you want a softer-to-medium pocket sprung mattress with natural fillings and a premium feel. The tracked price starts at £488 and rises with size, so it is worth comparing against similar pocket sprung options and checking the live trial, warranty and delivery terms at checkout.
Does the soft-to-medium feel suit side, back or mixed-position sleepers better?
The listing supports a softer-to-medium feel, which many shoppers will compare against their usual comfort preference rather than a single sleep-position rule. If you prefer a gentler surface, it may be a fit; if you usually want a much firmer bed, compare firmer alternatives before deciding.
How much do the 32cm depth and double-sided build matter for bed-frame and bedding compatibility?
Quite a lot. A 32cm mattress can affect fitted-sheet depth, topper choice and clearance on some frames, while the double-sided build means you may need to turn it as part of normal care. Check your bed dimensions and accessories before ordering, especially if you are moving from a slimmer mattress.
Are the 100-night trial and 10-year warranty still live at checkout?
The listing shows both a 100-night comfort trial and a 10-year warranty, but these should always be rechecked at checkout because retailer terms can change. Make sure they still apply to the exact size and variant you choose before placing the order.
Why does the price vary across the five tracked sizes?
Mattress pricing usually rises with size because of the extra materials involved. Here the tracked range runs from £488 to £964 across Single, Small Double, Double, King Size and Super King, so compare the size you actually need rather than assuming one version represents the whole range.