---
title: "Waterproof Mattress — £67K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/waterproof-mattress"
last_updated: "2026-07-31T13:26:21.829Z"
locale: en
meta:
description: "Niche score 42/100 · £67K/yr market · 43K searches/yr · £66.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £67K/yr market · 43K searches/yr · £66.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Waterproof Mattress — £67K/yr Amazon UK Niche (2026) - Flapen"
---
# **waterproof mattress**
**Skip it**
A small market ($67K/yr) — this niche doesn't clear our bar today.
Market size 17Growth 23Conversion 29Competition 19Returns 99Price range 62Avg price 87Brand share 25Review moat 57Quality gap 76
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£66.05**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£8.50–£145.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,225.25**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****90%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-3.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£67K**
£67K/yr · 43K searches
**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Kingdom niche tracking, waterproof mattress is a £67K/yr Amazon United Kingdom market (43K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **waterproof mattress market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **£99K–£132K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#224**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **75%**
- **Out of stock**
- **5.9%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**7%**
- Starlight Beds56% - PEPE Mobility11% - W Wilson Beds A luxury you can afford10% - Generic7% - Sleep Concepts6% - CLARENCE BEDS3% - Open — no brand owns it (4 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.8% search growth over the last 90 days.
1K600Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/waterproof-mattress/trend)
## **Top waterproof mattress search terms**
- **waterproof mattress**28K/yr-9.9%2.3% conv. - **waterproof single mattress**7K/yr+13.3%3.2% conv. - **single waterproof mattress**6K/yr-2.6%5.2% conv. - **single mattress waterproof**3K/yr+11.8%4.2% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/waterproof-mattress/search-terms)
## **Top waterproof mattress products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%£7K20%£13K30%£20K40%£27K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Starlight Beds Waterproof Small Single Mattress. Ideal for Children and the Elderly. Durable Easy Clean Sprung Mattress. 2ft6 x 6ft3 (75cm x 190cm)**Starlight Beds**£46.32**4.2★429 rev](https://www.amazon.co.uk/dp/B071KWJKCV) [2**Starlight Beds Waterproof Single Mattress 3ft x 6ft3**Starlight Beds**£50.72**4.2★429 rev](https://www.amazon.co.uk/dp/B07SNVBVGV) [3**Starlight Beds Small Single Waterproof Mattress**Starlight Beds**£46.48**4.4★443 rev](https://www.amazon.co.uk/dp/B07SKWK1MX) [4**PEPE Mobility Orthopedic Mattress Single 90 x 190 cm Hospital Bed Waterproof Medical Geriatric for Elderly and Disabled - Made in Europe**PEPE Mobility**£122.49**4.5★223 rev](https://www.amazon.co.uk/dp/B0CY5PMDMG) [5**Wilson Beds - Waterproof PVC Mattress - One Sided Foam Free Medium Soft Blue Water Proof Mattress 90cm by 190cm approx. (Single)**W Wilson Beds A luxury you can afford**£55.83**4.4★110 rev](https://www.amazon.co.uk/dp/B0CKY1VT47)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Livaclean Health Hospital Bed Mattress 80x36x 6 Gel 40mm Memory Foam Medical Mattress for Adjustable Beds Waterproof Cover Pressure Relief for Home & Clinical Use**Livaclean Health**£145.10**143 rev1y ago](https://www.amazon.co.uk/dp/B0D4F587BN) [**Sleep Concepts Reflex Foam Waterproof 7 Hybrid Spring Mattress 90 x 190 cm 135 x 190 cm 150 x 200 cm. (Single)**Sleep Concepts**£55.31**15 rev1y ago](https://www.amazon.co.uk/dp/B0DDCV7GTN) [**Sleepur-pedic Hospital Grade Single 3ft Orthopaedic Reflex Foam Mattress Suitable for Care home hospital bed and home setting Waterproof Removable Cover Easy wipe Clean Size 90cm x 200cm.**Sleepur-pedic**£92.16**18 rev2y ago](https://www.amazon.co.uk/dp/B0D92BL4LZ) [**CLARENCE BEDS 3FT Single Water-Resistant WaterProof White Foam Mattress 8 Inches Thick Medium 40kg/m3 Density Dual-Sided**CLARENCE BEDS**£48.77**27 rev2y ago](https://www.amazon.co.uk/dp/B0D812Y2DV) [**PEPE Mobility Orthopedic Mattress Single 90 x 190 cm Hospital Bed Waterproof Medical Geriatric for Elderly and Disabled - Made in Europe**PEPE Mobility**£122.49**223 rev2y ago](https://www.amazon.co.uk/dp/B0CY5PMDMG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Livaclean Health Hospital Bed Mattress 80x36x 6 Gel 40mm Memory Foam Medical Mattress for Adjustable Beds Waterproof Cover Pressure Relief for Home & Clinical Use**Livaclean Health**£145.10**4.5★**▲ 293%**](https://www.amazon.co.uk/dp/B0D4F587BN) [**Starlight Beds Waterproof Single Mattress 3ft x 6ft3**Starlight Beds**£50.72**4.2★**▲ 40%**](https://www.amazon.co.uk/dp/B07SNVBVGV) [**Starlight Beds Small Single Waterproof Mattress**Starlight Beds**£46.48**4.4★**▲ 40%**](https://www.amazon.co.uk/dp/B07SKWK1MX) [**Water Resistant 3ft Single White Foam And Sprung Mattress 90x190cm Waterproof- 18cm Deep**Generic**£50.84**4.3★**▲ 33%**](https://www.amazon.co.uk/dp/B0CZ139WHB) [**Utopia Bedding Premium Waterproof Mattress Encasement Single Bed (90 x 190 x 30 cm) Zippered Mattress Protector Bed Bug and Dust Mite Proof Mattress Cover White**Utopia Bedding**£8.50**4.5★**▲ 15%**](https://www.amazon.co.uk/dp/B07ZHF4FVK)
**~~View all trending →~~**
## **What buyers say about waterproof mattress**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Good quality, comfortable waterproof mattress”*
**Value For Money**16%
*“Good value for the price”*
**Comfort-Overall**13%
*“very comfortable”*
**Advertised Vs Actual Product**9%
*“Exactly as described”*
**Size-Overall**9%
*“the Mattress Protector is great fits perfect”*
**Ease Of Cleaning**8%
*“easy to clean”*
**Water Resistance**8%
*“Mattress waterproof cover”*
**Foam**8%
*“very good foam”*
**Ease Of Use**4%
*“Excellent very pleased easy to get on zipped up lovely”*
**Assembly/Installation**3%
*“Easy set up and very comfy”*
### **What buyers complain about **
**Quality-Overall**25%
*“Bad quality”*
**Water Resistance**22%
*“NOT WATERPROOF”*
**Comfort-Overall**14%
*“making it uncomfortable”*
**Size-Overall**8%
*“Only downside the zip doesnt quite meet correctly”*
**Cushion**6%
*“The mattress is incredibly uncomfortable as its not only too smooth and slippery”*
**Value For Money**6%
*“Pricey”*
### **Top return reasons **
**Size-Overall**63%
**Quality-Overall**8%
**Comfort-Overall**5%
**Material Quality**4%
**Thin**3%
**Advertised Vs Actual Product**3%
**Water Resistance**2%
**Leak-Proof**1%
**Hard Feel**1%
**Functionality-Overall**1%
## **Common questions**
- **Is waterproof mattress profitable to sell on Amazon United Kingdom?**
- The niche generates £67K/yr across 12 tracked products. 90-day search growth is -3.8%. Flapen's verdict: Skip it (42/100).
- **How competitive is the waterproof mattress niche?**
- 10 brands and 20 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in waterproof mattress?**
- Top complaints mined from reviews: Quality-Overall, Water Resistance, Comfort-Overall. The return rate is 0.3%.
- **When does demand for waterproof mattress peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the waterproof mattress niche?**
- Listings span £8.50–£145.10; the average listing price is £66.05 (sweet spot $15–$100). The average incumbent carries 1,225 reviews — the moat a new listing must climb.
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