waterproof mattress
Skip itA small market ($67K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Great£66.05avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good£8.50–£145.10cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,225.25avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Brand share
Bad90%top-5 brand share — brand-locked demand
Growth
Bad-3.8%90-day search growth — must beat 0% to launch
Competition
Bad77%top-5 click share — a locked-up shelf
Market size
Bad£67K£67K/yr · 43K searches
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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top waterproof mattress search terms
- waterproof mattress28K/yr
- waterproof single mattress7K/yr
- single waterproof mattress6K/yr
- single mattress waterproof3K/yr
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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£46.324.2★429 rev
Starlight Beds Waterproof Single Mattress 3ft x 6ft3
Starlight Beds£50.724.2★429 rev
Starlight Beds Small Single Waterproof Mattress
Starlight Beds£46.484.4★443 rev
PEPE Mobility Orthopedic Mattress Single 90 x 190 cm Hospital Bed Waterproof Medical Geriatric for Elderly and Disabled - Made in Europe
PEPE Mobility£122.494.5★223 rev
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£55.834.4★110 rev
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£145.10143 rev
Sleep Concepts Reflex Foam Waterproof 7 Hybrid Spring Mattress 90 x 190 cm 135 x 190 cm 150 x 200 cm. (Single)
Sleep Concepts£55.3115 rev
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£92.1618 rev
CLARENCE BEDS 3FT Single Water-Resistant WaterProof White Foam Mattress 8 Inches Thick Medium 40kg/m3 Density Dual-Sided
CLARENCE BEDS£48.7727 rev
PEPE Mobility Orthopedic Mattress Single 90 x 190 cm Hospital Bed Waterproof Medical Geriatric for Elderly and Disabled - Made in Europe
PEPE Mobility£122.49223 rev
Trending
90-day click momentumLivaclean 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£145.104.5★
Starlight Beds Waterproof Single Mattress 3ft x 6ft3
Starlight Beds£50.724.2★
Starlight Beds Small Single Waterproof Mattress
Starlight Beds£46.484.4★
Water Resistant 3ft Single White Foam And Sprung Mattress 90x190cm Waterproof- 18cm Deep
Generic£50.844.3★
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£8.504.5★
What buyers say about waterproof mattress
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality, comfortable waterproof mattress”
“Good value for the price”
“very comfortable”
“Exactly as described”
“the Mattress Protector is great fits perfect”
“easy to clean”
“Mattress waterproof cover”
“very good foam”
“Excellent very pleased easy to get on zipped up lovely”
“Easy set up and very comfy”
What buyers complain about
“Bad quality”
“NOT WATERPROOF”
“making it uncomfortable”
“Only downside the zip doesnt quite meet correctly”
“The mattress is incredibly uncomfortable as its not only too smooth and slippery”
“Pricey”
Top return reasons
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.