Available 
Bodyshape Vitality Memory Foam Ortho Mattress
from £158-£305.
£158-£305
Sizes tracked: Single, Small Double, Double, King Size, Super King
Komfi Memory Foam
Komfi Unity Comfort Eco Foam Mattress review
Komfi Unity Comfort Eco Foam Mattress is a budget-friendly medium-feel foam mattress with a 100-night comfort trial and 10-year guarantee, so it is worth comparing closely on size, depth and current price.
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Last verified: 2026-08-05
Quick verdict
Komfi Unity Comfort Eco Foam Mattress looks like a practical budget buy rather than a premium all-rounder. The appeal is the low entry price of £119 to £165, the medium firmness, and the reassurance of a 100-night comfort trial plus a 10-year guarantee. It is most relevant if you want a simple memory foam mattress for everyday use, a spare room or a guest room, but it is still worth comparing against nearby foam alternatives if you want a firmer feel, a thicker build or more size choice.
Available sizes and prices
Komfi Unity Comfort Eco Foam Mattress is listed with 3 size options from £119-£165. The visible sizes include Single, Small Double, Double, 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 Komfi Unity Comfort Eco Foam Mattress: Brand: Komfi; Type: Memory Foam; Sizes tracked: Single, Small Double, Double; Price range: £119-£165. 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 | Komfi |
|---|---|
| Type | Memory Foam |
| Sizes tracked | Single, Small Double, Double |
| Price range | £119-£165 |
| Owner rating signal | 4.6 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-08-05 |
What the product page says
Mattress Online lists this as a Komfi memory foam mattress with a reflex foam comfort/support structure and dual layers of pressure-relieving eco foam. The retailer page also highlights handcrafted in the UK, free next day delivery, a 100-night comfort trial and a 10-year guarantee. The visible owner signal shows 4.6 out of 5 from 31 reviews, which is encouraging, but the review volume is still modest enough that it should be treated as supportive context rather than the only reason to buy.
Main takeaways from the wider comparison
On current benchmarking, Komfi Unity Comfort Eco Foam Mattress sits below the comparable-product median price of £199, so it lands firmly in value territory. It also has 3 tracked variants, fewer than the median of 5, which means shoppers with a standard Single, Small Double or Double are covered, but people needing a wider size range may want to look elsewhere. The review score is a useful signal, yet the modest review volume means you should still verify the live listing, current size availability and the feel description before checkout.
Buyer trade-offs to weigh before buying
The key decision is whether the low price is enough for the specification you need. Start by checking the current price by size, because Single is listed at £119 while Small Double and Double sit at £165, and then compare that with stock status and delivery for your postcode. The other big check is feel: medium firmness and a 20cm depth may suit a balanced, everyday setup, but if you prefer a more substantial mattress or a clearly firmer feel, it makes sense to compare alternatives before committing.
Price and value benchmark
At £119 to £165, this mattress is priced well below the comparable-product median of £199, which makes it attractive on entry cost alone. That said, value depends on whether the specification matches your needs: 3 tracked sizes is a smaller spread than many rivals, and the 20cm build is not as deep as some shoppers may expect. The guarantee and trial improve the package, but the real value question is whether the medium feel and simple foam construction are enough for the room and sleeper you have in mind.
How it compares with nearby alternatives
Compared with close memory foam alternatives, Komfi Unity Comfort Eco Foam Mattress looks more budget-led and less expansive on size coverage. Nearby options such as Bodyshape Vitality Memory Foam Ortho Mattress offer a firmer feel and broader size range, while other alternatives in the same comparison set come in with thicker builds and higher prices. If you want a firmer mattress, a more substantial profile or more sizes to choose from, it is worth comparing those options directly rather than assuming this Komfi model is the closest fit.
How to read the review score
The visible 4.6 out of 5 rating is a positive sign, and 31 reviews is enough to suggest some real buyer interest. Even so, that is still a fairly modest review pool for a mattress purchase, so the score should be supportive rather than decisive. There is also external product review coverage, including Trustpilot and other public review pages, but those should be treated as background context only, not as a substitute for checking the live Mattress Online listing and current specification.
Who it suits
This mattress looks best suited to shoppers who want a balanced medium feel for everyday use without paying for a more complex specification. It is a sensible shortlisting candidate for a spare room, guest room or lower-intensity bedroom where a straightforward foam mattress is likely to do the job. The combination of a low starting price, free next day delivery and a 100-night trial also makes it appealing if you want convenience as well as value.
Who should look elsewhere
If you know you prefer a firmer feel, a thicker build or more choice in sizes, this is probably not the easiest place to stop your search. The Komfi Unity Comfort Eco Foam Mattress is only 20cm deep and is tracked in just Single, Small Double and Double, so it will not suit every frame, bedding setup or comfort preference. Shoppers comparing main-bedroom options, heavier nightly use or a more substantial foam profile should check nearby memory foam alternatives before deciding.
Comfort and support
On Mattress Online, the Komfi Unity Comfort Eco Foam Mattress is presented as a medium-feel memory foam mattress with reflex foam support and dual layers of pressure-relieving eco foam. In practical terms, that points to a balanced feel rather than an especially soft or firm one, and the 20cm depth suggests it is best matched to straightforward bed frames, divan bases and bedding that suit a slimmer mattress profile. If you want a bed that feels more substantial or you already know you prefer a firmer build, compare this Komfi model with thicker memory foam alternatives before buying. This is comfort guidance only, not a medical or pain-relief claim.
Value verdict
Komfi Unity Comfort Eco Foam Mattress offers decent value if you want a low-cost foam mattress with a trial period and a long guarantee, and if the medium feel matches what you had in mind. The price-versus-spec balance is strongest for practical rooms and simpler bedroom setups, not for shoppers chasing premium depth or wider choice. Before buying, check the latest retailer price, current stock and delivery details, because those can change quickly.
Good alternatives to compare
The closest alternatives to compare with Komfi Unity Comfort Eco Foam Mattress include Bodyshape Vitality Memory Foam Ortho Mattress, Bodyshape Classic Memory Foam Mattress, Bodyshape Vitality Memory Foam 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 Classic Memory Foam Mattress
from £175-£329.
£175-£329
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Bodyshape Vitality Memory Foam Mattress
from £189-£359.
£189-£359
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-08-05. 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.
- Retailer product pageProduct details and availability context
- Komfi Unity Comfort Eco Foam Mattress | MattressOnlineproduct-page facts, product evidence and extracted page snippets
- Komfi Unity Comfort Eco Foam Mattressretailer specs, price and verified owner reviews
- Unity Comfort Luxury - Komfimanufacturer construction, warranty and sizing context
- Komfi Unity Comfort Eco Foam Mattress Trustpilot product reviewsindependent product-owner review details
More mattresses to compare
These related guides and reviews can help you compare nearby options before buying.
Questions about this mattress
Is the Komfi Unity Comfort Eco Foam Mattress good value for the price?
It looks good value if you want a budget foam mattress with a 100-night comfort trial and 10-year guarantee. The value case is strongest at the Single price point, but you should still compare size-by-size against current alternatives because the price and stock can change.
Who is the medium-firm Komfi Unity Comfort Eco Foam Mattress best suited to?
It is most suited to shoppers who want a balanced medium feel for everyday use, especially in a spare room, guest room or lower-intensity bedroom. If you already know you like a firmer or thicker mattress, it is worth comparing nearby memory foam alternatives first.
Does the 100-night comfort trial apply to this mattress?
The Mattress Online listing highlights a 100-night comfort trial, along with a 10-year guarantee and free next day delivery. Always confirm the current terms on the live product page before ordering, because promotions and delivery details can vary by location and time.
How should I judge the 4.6 rating with only 31 reviews?
Treat 4.6 out of 5 as a helpful sign, but not a final verdict. Thirty-one reviews is enough to show some buyer feedback, yet not enough to remove the need to check the product details, size availability and feel description carefully before buying.
Is the 20cm depth and three-size range limiting compared with alternatives?
It can be, depending on what you need. A 20cm mattress may suit simple frames and lighter-duty rooms, but some rivals offer thicker builds and wider size coverage. If you want more flexibility, compare this mattress with closer alternatives before checkout.