Available 
Emma Original Lite Mattress
from £193-£363.
£193-£363
Sizes tracked: Single, Small Double, Double, King Size, Super King
Komfi Mattress
Komfi Unity Memory Deluxe Contract Mattress review
Komfi Unity Memory Deluxe Contract Mattress is a budget-friendly, medium-to-firm foam mattress with a 100-night comfort trial and 5-year guarantee, so it suits shoppers comparing practical value and checking depth, size and stock first.
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Last verified: 2026-11-08
Quick verdict
Komfi Unity Memory Deluxe Contract Mattress looks like a sensible shortlist pick if you want a medium-to-firm mattress at a low starting price rather than a feature-heavy premium model. The retailer shows a 100-night comfort trial and a 5-year guarantee, which improve the value story, but you should still check the exact trial terms, current stock and the final checkout price for your chosen size.
Available sizes and prices
Komfi Unity Memory Deluxe Contract Mattress is listed with 4 size options from £149-£280. 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.
Key product details
These are the retailer details worth checking first for Komfi Unity Memory Deluxe Contract Mattress: Brand: Komfi; Type: Mattress; Sizes tracked: Single, Small Double, Double, King Size; Price range: £149-£280. 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 | Mattress |
| Sizes tracked | Single, Small Double, Double, King Size |
| Price range | £149-£280 |
| Owner rating signal | 4.5 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-11-08 |
What the retailer page says
The product is described with a memory foam and reflex foam build, a medium-to-firm feel and a 17cm depth, plus it is handcrafted in the UK. Those details suggest a foam-led mattress aimed at everyday use, with the feel sitting more toward support than softness. The page also highlights a 100-night comfort trial and a 5-year guarantee, so it is worth verifying the exact conditions before ordering.
What the wider comparison suggests
There is no exact-model expert test to lean on, so this review should be read as a shopper guide rather than a performance verdict. The visible 4.5/5 rating is encouraging, but the review sample is modest, so treat it as supporting context rather than proof of quality. Compared with nearby alternatives, this mattress sits firmly in budget territory at the entry end of the market, which makes it interesting for price-conscious shoppers who still want a named brand and a trial period.
Buyer trade-offs to weigh up
The main trade-off is price versus specification depth: the starting price is low, but the 17cm profile means you should check bed-frame clearance, bedding fit and whether you plan to use a topper. Size pricing also changes meaningfully, with Single at £149, Small Double and Double at £205, and King Size listed at £280, so compare by size rather than assuming one version represents the whole range. Also confirm delivery charges and current stock, because the King Size is shown as unavailable at the time checked.
Price and value benchmark
On the current tracked pricing, this mattress runs from £149 to £280, which places it below the wider peer median and makes it a budget-oriented option rather than a mid-market one. The Single is listed at £149, the Double at £205 and the King Size at £280, so the value case depends heavily on which size you need. That spread is useful if you are shopping by room size or guest use, but the final checkout price still needs confirming once delivery is added.
Specs versus alternatives
If you are comparing this against nearby budget mattresses, focus on feel, depth and variant coverage rather than brand name alone. The Komfi Unity Comfort Eco Foam Contract Mattress is cheaper, with a lower price band and fewer sizes, so it may suit buyers who want to spend less and do not need the same range. Bodyshape Value Memory Mattress sits higher in price and gives you a different construction choice, while Emma Original Lite Mattress starts from a higher level again, so the Unity Memory Deluxe makes most sense if you want the medium-to-firm foam feel, 17cm depth and 100-night trial without pushing into a pricier tier.
How to read the review evidence
The visible 4.5/5 rating is useful, but the product-specific review sample is modest, with 20 reviews shown for the exact named model, so it should not be treated as a strong standalone verdict. Because the feedback is retailer-hosted rather than an independent expert assessment, it works best as a confidence check alongside the size, depth and trial details. If you want a stronger review basis, compare it with alternatives that show a clearer review count and more detail on the retailer page.
Who it suits
This mattress should suit shoppers who want a medium-to-firm feel, practical everyday comfort and a low entry price from a recognised brand. It also fits buyers who are comfortable comparing the size-specific prices carefully and who value a 100-night comfort trial as part of the decision. If you are shortlisting on budget but still want a 5-year guarantee and a straightforward foam build, this is worth a look.
Who should avoid it
Skip it if you want a very soft feel, because the retailer lists the Komfi Unity Memory Deluxe Contract Mattress as medium to firm rather than plush. The 17cm depth may also be too shallow for some bed-frame setups or for shoppers who want a taller mattress, especially if they are considering the King Size at £280 or planning to add a topper. If you need a specialist health or support outcome, compare alternatives instead of relying on general mattress marketing.
Comfort and support
The comfort story on the Komfi Unity Memory Deluxe Contract Mattress is built around memory foam plus reflex foam, which usually points to a supportive-feeling surface with some pressure-relieving comfort from the foam layers. With a medium-to-firm rating and a 17cm depth, it is likely to feel steadier than a soft mattress and may appeal to shoppers who prefer less sink-in at bedtime. That said, comfort is personal, so the best comparison is against other medium-firm foam mattresses rather than assuming this will suit every sleeper position.
Value check
Value here depends on size, stock and whether the medium-to-firm foam build matches what you want. The 100-night comfort trial and 5-year guarantee strengthen the offer, but they do not replace checking the exact terms, final delivery cost and whether the 17cm depth works with your bed frame. If the feel and depth suit your setup, the low starting price makes it a plausible budget shortlist candidate rather than an automatic buy.
Good alternatives to compare
The closest alternatives to compare with Komfi Unity Memory Deluxe Contract Mattress include Emma Original Lite Mattress, Komfi Unity Comfort Eco Foam Contract Mattress, Bodyshape Value 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 
Komfi Unity Comfort Eco Foam Contract Mattress
from £103-£147.
£103-£147
Rated 4.6 / 5 from up to 24 reviews
Sizes tracked: Single, Small Double, Double
Available 
Bodyshape Value Memory Mattress
from £173-£253.
£173-£253
Sizes tracked: Small Single, Single, Small Double, Double, King Size
Retailer details used
Last checked 2026-11-08. 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 Memory Deluxe Contract Mattress | MattressOnlineproduct-page facts, product evidence and extracted page snippets
- Komfi Unity rangeUnity is Komfi’s foam-led range.
- P2947 trial and deliveryTrial is an exchange with conditions.
- Komfi retailer catalogueRetailer shows a modest owner-review sample.
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 Memory Deluxe Contract Mattress worth considering for budget shoppers?
Yes, it is a reasonable shortlist option if you want a low starting price, a medium-to-firm foam feel and a named-brand mattress with a 100-night comfort trial. Just check the size you need, because the price rises from £149 for the Single to £280 for the King Size, and confirm the trial conditions before ordering.
Does the price vary by size and which sizes are currently available?
Yes. The tracked sizes are Single, Small Double, Double and King Size, with visible prices from £149 to £280. Single, Small Double and Double are shown in stock at the time checked, while the King Size is listed but not currently available, so it is worth checking the retailer page for the latest status.
What should I check before buying this mattress?
Check the 17cm depth against your bed frame, bedding and any topper you plan to use, and confirm the exact 100-night trial rules, delivery charges and final checkout price. It is also sensible to compare the medium-to-firm feel with nearby alternatives if you are unsure whether you want a more supportive surface or a softer option.
How reliable is the 4.5/5 rating if the review sample is modest?
It is a helpful signal, but not a strong verdict on its own. The retailer-hosted score shown for the exact model comes from 20 reviews, so it is best used as supporting context alongside the mattress specs, price and trial details rather than as proof that it will suit every shopper.
Is the 17cm depth suitable for my bed frame and bedding?
It may be, but you should check carefully before buying. A 17cm mattress is relatively shallow, so it is worth confirming frame clearance, fitted-sheet depth and whether you intend to add a topper, especially if you usually prefer a taller mattress profile.