Available 
Millbrook Wool Luxury Latex 4000 Pocket Mattress
from £594-£1,168.
£594-£1,168
Sizes tracked: Single, Small Double, Double, King Size, Super King
Wentworth Mercer Pocket Sprung
Wentworth Mercer Deluxe Wool 3000 Pocket Mattress review
Wentworth Mercer Deluxe Wool 3000 Pocket Mattress is a medium pocket sprung mattress with wool-led comfort, five sizes and a mid-market price to compare.
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Last verified: 2026-09-04
Quick verdict
Wentworth Mercer Deluxe Wool 3000 Pocket Mattress is a medium-feel pocket sprung mattress with a wool comfort layer, a 29cm depth and five tracked sizes from Single to Super King. At £599-£1,049 depending on size, it sits in the middle of the comparable pocket sprung set rather than looking like a budget outlier. It suits shoppers who want a more traditional feel, but the very small review sample means you should still compare it carefully with nearby alternatives.
Available sizes and prices
Wentworth Mercer Deluxe Wool 3000 Pocket Mattress is listed with 5 size options from £599-£1,049. 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 | £599 | In stock | 2026-09-04 | View |
| Small Double | Check retailer | £749 | In stock | 2026-09-04 | View |
| Double | Check retailer | £749 | Check retailer | 2026-09-04 | View |
| King Size | Check retailer | £869 | In stock | 2026-09-04 | View |
| Super King | Check retailer | £1,049 | In stock | 2026-09-04 | View |
Key product details
These are the retailer details worth checking first for Wentworth Mercer Deluxe Wool 3000 Pocket Mattress: Brand: Wentworth Mercer; Type: Pocket Sprung; Sizes tracked: Single, Small Double, Double, King Size, Super King; Price range: £599-£1,049. 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 | Wentworth Mercer |
|---|---|
| Type | Pocket Sprung |
| Sizes tracked | Single, Small Double, Double, King Size, Super King |
| Price range | £599-£1,049 |
| Owner rating signal | 4.5 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-09-04 |
Product page evidence that matters
The retailer lists this model as a pocket sprung mattress with medium firmness, wool comfort fillings and a 29cm depth across the tracked sizes. Mattress Online also shows free delivery, a 100-night comfort trial and a 5-year guarantee, plus “handcrafted in the UK” positioning. That is a useful buying bundle, but the key checks remain size fit, current price and whether the medium label matches the feel you want.
What the research suggests
The clearest takeaway is that the evidence is dominated by Mattress Online product information, with only a tiny product-specific review sample to lean on. The exact mattress shows 4.5 out of 5 from 2 reviews, while the Trustpilot page for this product has only 1 visible review, so the rating is a light signal rather than a strong consensus. One visible comment suggests the mattress may feel firmer at first than the medium label implies, which is worth keeping in mind if you prefer an immediately cushioned feel. Against similar pocket sprung options, the price lands close to the middle and the five-size spread is broader than the median, so the model is more about fit and specification match than standout value.
Buyer trade-offs to weigh
The main trade-off here is traditional wool-and-springs comfort versus the risk that the medium label feels firmer than you expect, at least initially. If you like a pocket sprung mattress with a natural-fibre leaning comfort profile, the 3000 spring count and wool filling are the right kind of clues; if you want a clearly softer or clearly firmer feel, you may be better comparing it with other Wentworth Mercer options or similar pocket sprung models. Price varies by size from £599 to £1,049, so value depends on whether the exact size you need is available and whether the 29cm depth works with your bed frame and bedding.
Price and value benchmark
At £599 for the smallest tracked size and up to £1,049 for Super King, this model sits close to the middle of a broad pocket sprung comparison set. That makes it a mid-market buy rather than a bargain-bin pick, and the value case depends more on the wool-led build, 29cm depth and five size options than on price alone. Compare the latest retailer price by size before buying, because the step-up from Single to larger sizes is significant.
How it compares with nearby alternatives
Compared with Wentworth Mercer Deluxe Wool 4000 or Deluxe Naturals 5000, the Deluxe Wool 3000 is the more restrained wool-led pocket sprung choice in the range, with a lower entry price than the Naturals model and a simpler traditional positioning. Nearby alternatives such as Millbrook Wool Luxury Latex 4000 Pocket Mattress or Sleepeezee Wool Luxe 3700 Pocket Pillow Top Mattress may appeal if you want a different comfort material mix or a more premium-looking spec sheet. If you are deciding between them, compare the spring count, comfort material and size price spread rather than assuming the higher number in the name automatically means better value.
How to read the review evidence
The review pool is too small to treat as strong proof: Mattress Online shows 4.5 out of 5 from 2 reviews, and the exact product’s Trustpilot page has only 1 visible review. That means the current score should be read as a small early signal, not a robust owner consensus. The visible comments are mixed on firmness, with one saying it felt very firm initially and another calling it super comfy, so shoppers should verify whether they want that kind of traditional pocket sprung feel.
Who it suits
This mattress suits shoppers who want everyday comfort from a medium pocket sprung build with wool comfort fillings and a more traditional feel than foam-led designs. The five size options are helpful if you need a Single, Small Double, Double, King Size or Super King, and the 29cm depth gives it a more substantial profile for bedrooms that can take it. It is also a sensible shortlist option if you value free delivery, a 100-night comfort trial and UK handcrafted positioning.
Who should avoid it
Look elsewhere if you want a clearly softer mattress, a distinctly firm feel or a product with much stronger independent review coverage. The small review sample makes this a weaker evidence choice for shoppers who want a large body of feedback before buying. You should also check your bed frame and bedding carefully if 29cm depth is likely to cause a fit issue, especially if you already use a topper or prefer shallow fitted sheets. In practical terms, a shopper comparing this with a softer or firmer pocket sprung alternative may find the Wentworth Mercer Deluxe Wool 3000 too middle-of-the-road rather than clearly committed to one feel.
Comfort and support
On paper, the Wentworth Mercer Deluxe Wool 3000 Pocket Mattress combines pocket springs for responsive support with a wool comfort layer and a soft synthetic fibre layer, all under a medium firmness label. That points to a balanced, traditional feel rather than a deeply cushioned sink-in mattress, and the 29cm depth adds to the substantial profile. If you are comparing it with a softer pocket sprung model, expect less obvious plushness; if you are comparing it with a firmer model, expect a more moderate first impression, at least based on the retailer description and the small set of visible owner comments.
Value check
The value case is strongest if you want the exact specification: five sizes, medium firmness, pocket springs, wool comfort layer, free delivery, a 100-night trial and a 5-year guarantee. Because the price ranges from £599 to £1,049 by size, the question is not just whether the mattress is good, but whether the larger size you need still feels fairly priced against the alternatives you are considering. Check the retailer for the latest price and availability before buying, then compare the guarantee and trial terms so you know exactly what is included.
Good alternatives to compare
The closest alternatives to compare with Wentworth Mercer Deluxe Wool 3000 Pocket Mattress include Millbrook Wool Luxury Latex 4000 Pocket Mattress, Wentworth Mercer Deluxe Naturals 5000 Pocket Mattress, Sleepeezee Wool Luxe 3700 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 
Wentworth Mercer Deluxe Naturals 5000 Pocket Mattress
from £769-£1,399.
£769-£1,399
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Sleepeezee Wool Luxe 3700 Pocket Pillow Top Mattress
from £629-£1,399.
£629-£1,399
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-09-04. 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 Wentworth Mercer Deluxe Wool 3000 Pocket Mattress more supportive or more cushioned in practice?
The product information points to a balanced, medium pocket sprung feel rather than a deeply cushioned one. Wool comfort fillings and the pocket spring support system suggest a traditional blend, but the small review sample includes mixed comments, so it is worth checking whether that medium label matches your preference.
What does the 29cm depth mean for bed-frame and bedding compatibility?
A 29cm depth is a substantial mattress profile, so it is worth checking your bed frame, headboard clearance and fitted sheets before you buy. If you already use a topper or prefer shallow bedding, measure carefully so the finished setup still fits comfortably.
How reliable is the 4.5-star rating when there are only 2 visible reviews?
Treat it as a light signal only. Mattress Online shows 4.5 out of 5 from 2 reviews, and the exact product’s Trustpilot page has only 1 visible review, which is not enough to draw a strong conclusion about broad customer experience.
Does the price vary by size, and is it still good value at the top end?
Yes, the tracked price runs from £599 to £1,049 depending on size. Value at the top end depends on whether you need the larger format and whether the wool-led pocket sprung specification is a better fit than nearby alternatives at a similar price.
What do the 100-night comfort trial and 5-year guarantee add to the buying decision?
They add practical reassurance, but you should read the exact terms before ordering. The trial can help if you are unsure about the feel, while the 5-year guarantee is a useful part of the purchase decision if you want some longer-term cover, subject to the retailer’s conditions.