---
title: "Small Double Mattress Protector — £280K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/small-double-mattress-protector"
last_updated: "2026-07-31T18:45:38.013Z"
locale: en
meta:
  description: "Niche score 51/100 · £280K/yr market · 175K searches/yr. Prices mostly outside the sweet spot ($5.81–$15.30) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · £280K/yr market · 175K searches/yr. Prices mostly outside the sweet spot ($5.81–$15.30) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Small Double Mattress Protector — £280K/yr Amazon UK Niche (2026) - Flapen"
---

# **small double mattress protector**

**Worth a look**

Shows searches that convert (15.1% search→purchase), but prices mostly outside the sweet spot ($5.81–$15.30) keeps it on the watch list.

Market size 50Growth 19Conversion 97Competition 60Returns 95Price range 3Avg price 38Brand share 52Review moat 21Quality gap 42

**Conversion**

**Incredible****15.1%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****1.0%**

return rate — above 5% kills the launch gate

**Competition**

**Good****49%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Market size**

**Good****£280K**

£280K/yr · 175K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Okay****£10.57**

avg listing price — sweet spot $15–$100

**Review moat**

**Bad****11,972.57**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-11.1%**

90-day search growth — must beat 0% to launch

**Price range**

**Bad****£5.81–£15.30**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, small double mattress protector is a £280K/yr Amazon United Kingdom market (175K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 51/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **small double mattress protector market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**25K–30K**</dd><dd>avg 1,000–1,250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£264K–£317K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**15.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#46**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**80%**</dd>

<dt>**Sponsored**</dt><dd>**87%**</dd>

<dt>**Out of stock**</dt><dd>**5.0%**</dd>

<dt>**Avg brand age**</dt><dd>**47 months**</dd>

<dt>**Avg seller age**</dt><dd>**190 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**17 **▲rising

**Sellers**

**28**

**Top-5 brand share**

**74%**

Top 20: 100%

**Top-5 click share**

**49%**

Top 20: 89%

**Open market**

**21%**

- CAROLINE SHATUIK22% - Utopia Bedding22% - 4AS11% - ACRALI HOME10% - HIGH LIVING8% - Silentnight5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -11.1% search growth over the last 90 days.

8K6KSpike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 2.6×

[**Open Trend **](https://flapen.com/research/uk/home-garden/small-double-mattress-protector/trend)

## **Top small double mattress protector search terms**

- **small double mattress protector**114K/yr-11.1%15.1% conv. - **mattress protector small double**31K/yr-9.7%12.9% conv. - **mattress protector small double bed**11K/yr-10.5%11.4% conv. - **small double mattress cover**6K/yr-14.5%7.4% conv. - **small double bed mattress protector**5K/yr-1.4%13.4% conv. - **small double mattress protector -**3K/yr-18.8%8.6% conv. - **small double mattress protector fitted**6K/yr-27.2%13.1% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/small-double-mattress-protector/search-terms)

## **Top small double 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%5%£14K10%£28K15%£42K20%£56K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Caroline Shatuik 100% Waterproof Mattress Protector Small Double Anti Allergy Fitted Sheet Style Small Double Mattress Protector Bed Topper Cover(4ft/122x190+30cm)](https://m.media-amazon.com/images/I/51w4h0lFhuL.jpg)**Caroline Shatuik 100% Waterproof Mattress Protector Small Double Anti Allergy Fitted Sheet Style Small Double Mattress Protector Bed Topper Cover(4ft/122x190+30cm)**CAROLINE SHATUIK**£8.23**4.5★11,349 rev](https://www.amazon.co.uk/dp/B09TTY6QR2) [2![Utopia Bedding Quilted Mattress Topper Small Double Mattress Protector Cover Quilted Pad Soft Breathable Deep Fitted Elastic Small Double 4ft 122 x 190 + 38 cm White](https://m.media-amazon.com/images/I/41WpbqIj3oL.jpg)**Utopia Bedding Quilted Mattress Topper Small Double Mattress Protector Cover Quilted Pad Soft Breathable Deep Fitted Elastic Small Double 4ft 122 x 190 + 38 cm White**Utopia Bedding**£7.74**4.5★157,536 rev](https://www.amazon.co.uk/dp/B08BWHJ1CW) [3![HIGH LIVING Quilted Mattress Protector Hypoallergenic Extra Deep Fitted Mattress Cover 30 cm (122cmx190cm) 4 ft/Small Double](https://m.media-amazon.com/images/I/31NOj9l5ILL.jpg)**HIGH LIVING Quilted Mattress Protector Hypoallergenic Extra Deep Fitted Mattress Cover 30 cm (122cmx190cm) 4 ft/Small Double**HIGH LIVING**£10.46**4.5★2,950 rev](https://www.amazon.co.uk/dp/B019FRU832) [4![4AS Quilted Small Double Mattress Protector - 110 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 30 cm (Small Double - 122x190cm)](https://m.media-amazon.com/images/I/417Fmi7b6VL.jpg)**4AS Quilted Small Double Mattress Protector - 110 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 30 cm (Small Double - 122x190cm)**4AS**£10.37**4.5★212 rev](https://www.amazon.co.uk/dp/B0D3XRQTMX) [5![Acrali Home Quilted Small Double Mattress Protector UltraSoft 3-Layer Design with Deep Fitted Skirt Breathable & Anti-Allergy Machine Washable Bed Cover (122x190+35cm)](https://m.media-amazon.com/images/I/41rxQYSJwuL.jpg)**Acrali Home Quilted Small Double Mattress Protector UltraSoft 3-Layer Design with Deep Fitted Skirt Breathable & Anti-Allergy Machine Washable Bed Cover (122x190+35cm)**ACRALI HOME**£9.30**4.4★680 rev](https://www.amazon.co.uk/dp/B0DNQY713W)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Silentnight Quilted Mattress Protector - Premium Luxury Soft Cosy Mattress Cover Protector Pad with Extra Deep Fit Elasticated Straps - Hypoallergenic Super Soft and Machine Washable - Small Double](https://m.media-amazon.com/images/I/413t5RR97dL.jpg)**Silentnight Quilted Mattress Protector - Premium Luxury Soft Cosy Mattress Cover Protector Pad with Extra Deep Fit Elasticated Straps - Hypoallergenic Super Soft and Machine Washable - Small Double**Silentnight**£13.50**8,847 rev5mo ago](https://www.amazon.co.uk/dp/B0GMR9JJVD) [![UNIVERSAL COMFORT 100% Waterproof Mattress Protector Extra Deep 40cm Fitted Stretch Skirt - Breathable & Anti-Allergy Small Double Mattress Protector For Ultimate Comfort (Small Double 122x190cm)](https://m.media-amazon.com/images/I/41RgQEkRFsL.jpg)**UNIVERSAL COMFORT 100% Waterproof Mattress Protector Extra Deep 40cm Fitted Stretch Skirt - Breathable & Anti-Allergy Small Double Mattress Protector For Ultimate Comfort (Small Double 122x190cm)**UNIVERSAL COMFORT**£15.30**35 rev5mo ago](https://www.amazon.co.uk/dp/B0GMJSLF2P) [![ELITLUX 100% Waterproof Mattress Protector Noiseless Absorbent & Machine Washable Small Double Mattress Protector (122x190cm) With Extra Deep 30cm Fitted Skirt](https://m.media-amazon.com/images/I/41a+DptncQL.jpg)**ELITLUX 100% Waterproof Mattress Protector Noiseless Absorbent & Machine Washable Small Double Mattress Protector (122x190cm) With Extra Deep 30cm Fitted Skirt**ELITLUX**£14.74**53 rev6mo ago](https://www.amazon.co.uk/dp/B0FTVTPV97) [![Serenest Quilted Small Double Mattress Protector Ultra Soft Breathable & Hypoallergenic Bedding with Deep 30cm Skirt Washable Long-Lasting Mattress Protector for Everyday Comfort](https://m.media-amazon.com/images/I/41d0Q-1Z4oL.jpg)**Serenest Quilted Small Double Mattress Protector Ultra Soft Breathable & Hypoallergenic Bedding with Deep 30cm Skirt Washable Long-Lasting Mattress Protector for Everyday Comfort**SERENEST**£14.60**42 rev9mo ago](https://www.amazon.co.uk/dp/B0FW58DQJX) [![4AS Quilted Small Double Mattress Protector 200 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 40 cm (Small Double - 122x190 cm)](https://m.media-amazon.com/images/I/41htCQwhESL.jpg)**4AS Quilted Small Double Mattress Protector 200 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 40 cm (Small Double - 122x190 cm)**4AS**£12.19**53 rev9mo ago](https://www.amazon.co.uk/dp/B0FV3HNVSC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![4AS Quilted Small Double Mattress Protector 200 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 40 cm (Small Double - 122x190 cm)](https://m.media-amazon.com/images/I/41htCQwhESL.jpg)**4AS Quilted Small Double Mattress Protector 200 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 40 cm (Small Double - 122x190 cm)**4AS**£12.19**4.7★**▲ 250%**](https://www.amazon.co.uk/dp/B0FV3HNVSC) [![ELITLUX 100% Waterproof Mattress Protector Noiseless Absorbent & Machine Washable Small Double Mattress Protector (122x190cm) With Extra Deep 30cm Fitted Skirt](https://m.media-amazon.com/images/I/41a+DptncQL.jpg)**ELITLUX 100% Waterproof Mattress Protector Noiseless Absorbent & Machine Washable Small Double Mattress Protector (122x190cm) With Extra Deep 30cm Fitted Skirt**ELITLUX**£14.74**4.6★**▲ 246%**](https://www.amazon.co.uk/dp/B0FTVTPV97) [![Silentnight Quilted Mattress Protector - Premium Luxury Soft Cosy Mattress Cover Protector Pad with Extra Deep Fit Elasticated Straps - Hypoallergenic Super Soft and Machine Washable - Small Double](https://m.media-amazon.com/images/I/413t5RR97dL.jpg)**Silentnight Quilted Mattress Protector - Premium Luxury Soft Cosy Mattress Cover Protector Pad with Extra Deep Fit Elasticated Straps - Hypoallergenic Super Soft and Machine Washable - Small Double**Silentnight**£13.50**4.4★**▲ 232%**](https://www.amazon.co.uk/dp/B0GMR9JJVD) [![Serenest Quilted Small Double Mattress Protector Ultra Soft Breathable & Hypoallergenic Bedding with Deep 30cm Skirt Washable Long-Lasting Mattress Protector for Everyday Comfort](https://m.media-amazon.com/images/I/41d0Q-1Z4oL.jpg)**Serenest Quilted Small Double Mattress Protector Ultra Soft Breathable & Hypoallergenic Bedding with Deep 30cm Skirt Washable Long-Lasting Mattress Protector for Everyday Comfort**SERENEST**£14.60**4.3★**▲ 207%**](https://www.amazon.co.uk/dp/B0FW58DQJX) [![IMFAA Bamboo Water Proof Mattress Protector Topper cover Extra Deep Fitted 40 CM Depth Breathable Antialergy Non Noisy Bug Proof (Small Double-4FT(122x190+40) cm)](https://m.media-amazon.com/images/I/51+SPUMK4LL.jpg)**IMFAA Bamboo Water Proof Mattress Protector Topper cover Extra Deep Fitted 40 CM Depth Breathable Antialergy Non Noisy Bug Proof (Small Double-4FT(122x190+40) cm)**IMFAA**£8.68**4.6★**▲ 127%**](https://www.amazon.co.uk/dp/B0DV5MQ96Z)

**~~View all trending →~~**

## **What buyers say about small double mattress protector**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**24%

*“Very good quality, value for money, adds comfort to any bed,,, many thanks,”*

**Size-Overall**19%

*“Fits well”*

**Value For Money**9%

*“Good value”*

**Advertised Vs Actual Product**6%

*“Does its job”*

**Comfort-Overall**6%

*“Very comfortable”*

**Soft Feel**5%

*“Feels quite firm, edges soft”*

**Foam**5%

*“Good quality mattress protector”*

**Water Resistance**5%

*“It is waterproof”*

**Noise Level**3%

*“this one stays quiet”*

**Security**2%

*“Mattress protection”*

### **What buyers complain about **

**Size-Overall**12%

*“it was a little smaller than I expected as my bed is a smallish and this was still a bit on the small side for it”*

**Thickness**11%

*“could be a bit thicker”*

**Quality-Overall**11%

*“Poor quality”*

**Noise Level**8%

*“A little noisier than I expected”*

**Water Resistance**7%

*“they are no longer waterproof”*

**Washability**6%

*“NOT MACHINE WASHABLE - the label on this states WIPE CLEAN ONLY”*

**Adhesion/Stickiness**4%

*“Sheet dont stay on always on one corner”*

**Moist/Dry**4%

*“Wet went straight through”*

**Advertised Vs Actual Product**3%

*“Doesnt state it on the packaging”*

**Comfort-Overall**2%

*“its not very comfortable you definitely need another cover onto to make it feel less plastic”*

### **Top return reasons **

**Size-Overall**64%

**Water Resistance**6%

**Material Quality**5%

**Quality-Overall**5%

**Thin**4%

**Advertised Vs Actual Product**3%

**Stain Resistance**1%

**Noise Level**1%

**Thickness**1%

**Functionality-Overall**1%

## **Common questions**

<dl>

<dt>**Is small double mattress protector profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £280K/yr across 30 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -11.1%. Flapen's verdict: Worth a look (51/100).</dd>

<dt>**How competitive is the small double mattress protector niche?**</dt><dd>17 brands and 28 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 74% of demand.</dd>

<dt>**What do buyers complain about in small double mattress protector?**</dt><dd>Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 1.0%.</dd>

<dt>**When does demand for small double mattress protector peak?**</dt><dd>Demand peaks in Aug–Sep; the busiest month runs 2.6× the quietest.</dd>

<dt>**What does it cost to enter the small double mattress protector niche?**</dt><dd>Listings span £5.81–£15.30; the average listing price is £10.57 (sweet spot $15–$100). The average incumbent carries 11,973 reviews — the moat a new listing must climb.</dd>

</dl>

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