---
title: "Double Bed Waterproof Mattress Protector — £46K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/double-bed-waterproof-mattress-protector"
last_updated: "2026-08-01T00:01:57.276Z"
locale: en
meta:
description: "Niche score 43/100 · £46K/yr market · 41K searches/yr · £9.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £46K/yr market · 41K searches/yr · £9.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Double Bed Waterproof Mattress Protector — £46K/yr Amazon UK Niche (2026) - Flapen"
---
# **double bed waterproof mattress protector**
**Skip it**
A small market ($46K/yr) — this niche doesn't clear our bar today.
Market size 12Growth 25Conversion 93Competition 35Returns 96Price range 33Avg price 32Brand share 53Review moat 19Quality gap 35
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.6%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£6.69–£19.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£9.85**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+0.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****15,053.58**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****£46K**
£46K/yr · 41K searches
According to Flapen's Amazon United Kingdom niche tracking, double bed waterproof mattress protector is a £46K/yr Amazon United Kingdom market (41K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 43/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **double bed waterproof mattress protector market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£59K–£79K**
- units × avg price
- **Conversion rate**
- **11.6%**
- **Avg BSR**
- **#28**
- **Page quality**
- **0%**
- **Prime**
- **74%**
- **Sponsored**
- **95%**
- **Out of stock**
- **7.3%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**21**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**18%**
- CAROLINE SHATUIK21% - Yorkshire Bedding21% - ACRALI HOME12% - Utopia Bedding10% - IMFAA10% - ECOBIZ8%
## **Demand**
Weekly Amazon search volume, last 43 weeks — +0.1% search growth over the last 90 days.
1K600Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/home-garden/double-bed-waterproof-mattress-protector/trend)
## **Top double bed waterproof mattress protector search terms**
- **double bed waterproof mattress protector**11K/yr+1.6%14.5% conv. - **double waterproof sheet**5K/yr+8.8%11.0% conv. - **terry towelling mattress protector**6K/yr-9.3%2.5% conv. - **waterproof sheet double**5K/yr-3.2%9.9% conv. - **waterproof bed sheet double**4K/yr-0.5%7.0% conv. - **waterproof double sheet**3K/yr+26.1%11.9% conv. - **double bed waterproof fitted sheet**3K/yr-2.9%12.1% conv. - **waterproof fitted sheet double**3K/yr-16.0%11.7% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/double-bed-waterproof-mattress-protector/search-terms)
## **Top double bed waterproof mattress protector 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%£5K20%£9K30%£14K40%£18K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Yorkshire Bedding 100% Waterproof Mattress Protector - 30cm Deep Skirt Mattress Protector Double Bed - Non Noisy & Super Absorbent Terry Towel Mattress Cover (137x190cm)**Yorkshire Bedding**£7.47**4.6★1,310 rev](https://www.amazon.co.uk/dp/B0D8VQB8L8) [2**Caroline Shatuik 100% Waterproof Mattress Protector Double-30cm Extra Deep Stretch Skirt Non-Noisy Terry Top Fitted Mattress Protector Double Bed Cover(137x190cm)**CAROLINE SHATUIK**£9.06**4.5★11,349 rev](https://www.amazon.co.uk/dp/B09TTWKQ3X) [3**Acrali Home 100% Waterproof Mattress Protector Double Bed With Extra Deep 40 CM Skirt Premium Terry Towel Cotton Anti Allergy Double Mattress Protector - Washable & Nonslip Mattress Cover**ACRALI HOME**£9.69**4.5★1,725 rev](https://www.amazon.co.uk/dp/B0D26JFSB5) [4**ECOBIZ 100% Waterproof Mattress Protector Double Bed 137x190 Extra Deep 30CM Fitted Skirt Premium Cotton Terry Bed Wetting Protection Non-noisy Breathable Hypoallergenic Washable Sheet Cover**ECOBIZ**£9.87**4.4★7,424 rev](https://www.amazon.co.uk/dp/B09YVK78W2) [5**Waterproof Mattress Protector Double Bed 135 x 190 cm Fits Up to 40 cm Deep Mattresses Premium Terry Mattress Protector by Utopia Bedding**Utopia Bedding**£6.69**4.6★108,982 rev](https://www.amazon.co.uk/dp/B077T9VNSB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Takt Quilted Waterproof Mattress Protector Double Bed Fitted 137x190+40cm Deep Pocket Hypoallergenic Soft Breathable and Washable Mattress Cover Double Bed Mattress Protector White**Takt**£7.63**15 rev4mo ago](https://www.amazon.co.uk/dp/B0GRC7TNS4) [**BEDLORE Waterproof Double Mattress Protector Brushed Microfiber with Upgraded TPU Layer Deep Pocket Hypoallergenic Breathable Noiseless Oeko-tex Mattresses Cover (Gray)**BEDLORE**£19.18**951 rev7mo ago](https://www.amazon.co.uk/dp/B0FLPZCM3Z) [**2 x AYDMED Essential Washable Incontinence Bed Pads | For Double & Single Beds | Maximum Absorbency 100% Leakproof Kylie Sheets | Reusable Waterproof Bed Wetting Sheets For Adults Children & Babies**Aydmed**£15.67**37 rev7mo ago](https://www.amazon.co.uk/dp/B0G5QFJPS6) [**Oliver Bedding Quilted Double Mattress Protector (137x191 cm) Waterproof Mattresses Protector Double Bed Fits Mattress up to 30cm Deep Breathable Bed Mattresses Cover White**Oliver Bedding**£9.98**555 rev1y ago](https://www.amazon.co.uk/dp/B0DHD3LQLN) [**Yorkshire Bedding 100% Waterproof Mattress Protector - 30cm Deep Skirt Mattress Protector Double Bed - Non Noisy & Super Absorbent Terry Towel Mattress Cover (137x190cm)**Yorkshire Bedding**£7.47**1,310 rev2y ago](https://www.amazon.co.uk/dp/B0D8VQB8L8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2 x AYDMED Essential Washable Incontinence Bed Pads | For Double & Single Beds | Maximum Absorbency 100% Leakproof Kylie Sheets | Reusable Waterproof Bed Wetting Sheets For Adults Children & Babies**Aydmed**£15.67**4.8★**▲ 261%**](https://www.amazon.co.uk/dp/B0G5QFJPS6) [**K&A Terry Waterproof Mattress Protector | Soft Terry Towel Mattress Topper | Anti Allergy Noiseless and Breathable | 40 cm Extra Deep Box | Fitted Sheet Style Mattress Cover | Single 90x190 cm**K&A**£9.05**4.5★**▲ 236%**](https://www.amazon.co.uk/dp/B08X149M5L) [**BEDLORE Waterproof Double Mattress Protector Brushed Microfiber with Upgraded TPU Layer Deep Pocket Hypoallergenic Breathable Noiseless Oeko-tex Mattresses Cover (Gray)**BEDLORE**£19.18**4.8★**▲ 195%**](https://www.amazon.co.uk/dp/B0FLPZCM3Z) [**Utopia Bedding Premium Waterproof Mattress Encasement Double Bed (135 x 190 x 30 cm) Zippered Mattress Protector Bed Bug and Dust Mite Proof Mattress Cover White**Utopia Bedding**£9.97**4.5★**▲ 182%**](https://www.amazon.co.uk/dp/B077STRSZ7) [**Takt Quilted Waterproof Mattress Protector Double Bed Fitted 137x190+40cm Deep Pocket Hypoallergenic Soft Breathable and Washable Mattress Cover Double Bed Mattress Protector White**Takt**£7.63**4.2★**▲ 182%**](https://www.amazon.co.uk/dp/B0GRC7TNS4)
**~~View all trending →~~**
## **What buyers say about double bed waterproof mattress protector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Top quality mattress cover”*
**Size-Overall**15%
*“Fits great”*
**Value For Money**10%
*“Good value for money”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Water Resistance**7%
*“completely waterproof”*
**Comfort-Overall**5%
*“Very comfy”*
**Washability**3%
*“Wash well”*
**Soft Feel**3%
*“soft to the touch”*
**Ease Of Use**2%
*“Easy to use”*
**Foam**2%
*“This mattress protector is very good on my bed”*
### **What buyers complain about **
**Water Resistance**30%
*“NOT WATERPROOF”*
**Thickness**6%
*“its really flimsy really thin”*
**Noise Level**5%
*“The protector itself is also quite noisy”*
**Size-Overall**5%
*“They are big”*
**Advertised Vs Actual Product**4%
*“Not as it looks in photo”*
**Quality-Overall**4%
*“Looks and feels cheap”*
**Value For Money**4%
*“Poor value for money”*
**Material Quality**3%
*“Material not very strong”*
**Functionality-Overall**2%
*“Doesnt work”*
**Comfort-Overall**2%
*“He says it's not comfortable so I fitted another sheet on top”*
### **Top return reasons **
**Size-Overall**53%
**Material Quality**9%
**Quality-Overall**9%
**Water Resistance**4%
**Noise Level**4%
**Advertised Vs Actual Product**3%
**Thin**2%
**Stain Resistance**2%
**Functionality-Overall**1%
**Thickness**1%
## **Common questions**
- **Is double bed waterproof mattress protector profitable to sell on Amazon United Kingdom?**
- The niche generates £46K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Skip it (43/100).
- **How competitive is the double bed waterproof mattress protector niche?**
- 15 brands and 21 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in double bed waterproof mattress protector?**
- Top complaints mined from reviews: Water Resistance, Thickness, Noise Level. The return rate is 0.7%.
- **What does it cost to enter the double bed waterproof mattress protector niche?**
- Listings span £6.69–£19.18; the average listing price is £9.85 (sweet spot $15–$100). The average incumbent carries 15,054 reviews — the moat a new listing must climb.
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