---
title: "Extra Deep Fitted Sheet King Size Cotton — £69K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/extra-deep-fitted-sheet-king-size-cotton"
last_updated: "2026-08-01T00:46:42.054Z"
locale: en
meta:
  description: "Niche score 51/100 · £69K/yr market · 135K searches/yr · £11.20 avg price. A small market ($69K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · £69K/yr market · 135K searches/yr · £11.20 avg price. A small market ($69K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Extra Deep Fitted Sheet King Size Cotton — £69K/yr Amazon UK Niche (2026) - Flapen"
---

# **extra deep fitted sheet king size cotton**

**Worth a look**

Shows low returns (0.8%), but a small market ($69K/yr) keeps it on the watch list.

Market size 17Growth 23Conversion 55Competition 59Returns 96Price range 66Avg price 43Brand share 78Review moat 32Quality gap 60

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****57%**

top-5 brand share — no brand owns this niche

**Price range**

**Good****£6.87–£30.95**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****50%**

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

**Conversion**

**Good****4.5%**

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

**Avg price**

**Okay****£11.20**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****3,283.07**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-3.9%**

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

**Market size**

**Bad****£69K**

£69K/yr · 135K searches

According to Flapen's Amazon United Kingdom niche tracking, extra deep fitted sheet king size cotton is a £69K/yr Amazon United Kingdom market (135K searches/yr). The top 5 brands hold 57% of demand. Verdict: Worth a look — 51/100.

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

## **extra deep fitted sheet king size cotton market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£67K–£90K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#36**</dd>

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

<dt>**Prime**</dt><dd>**86%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**3.3%**</dd>

<dt>**Avg brand age**</dt><dd>**53 months**</dd>

<dt>**Avg seller age**</dt><dd>**184 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**21 **▼falling

**Sellers**

**24**

**Top-5 brand share**

**57%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 90%

**Open market**

**37%**

- Filo Magico21% - funky gadgets11% - MOONLIGHT200159% - My home store8% - Aisbo7% - Bedsure6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.

4K3KSpike '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/uk/home-garden/extra-deep-fitted-sheet-king-size-cotton/trend)

## **Top extra deep fitted sheet king size cotton search terms**

- **extra deep fitted sheet king size cotton**105K/yr-14.2%3.4% conv. - **cotton sheets king size**16K/yr+80.7%2.9% conv. - **king size fitted sheets egyptian cotton**10K/yr-6.9%4.4% conv. - **bed sheets king size cotton**4K/yr-5.4%1.6% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/extra-deep-fitted-sheet-king-size-cotton/search-terms)

## **Top extra deep fitted sheet king size cotton 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%£3K10%£7K15%£10K20%£14K101001K10K100K 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![200 Thread Count 100% Egyptian Cotton Fitted Sheet - 16/40cm Extra Deep Fitted Bed Sheet - Luxury Ultra Soft Bottom Sheet - Deep Pocket Stretches Up to 16 (White King)](https://m.media-amazon.com/images/I/51H5ykOfkOL.jpg)**200 Thread Count 100% Egyptian Cotton Fitted Sheet - 16/40cm Extra Deep Fitted Bed Sheet - Luxury Ultra Soft Bottom Sheet - Deep Pocket Stretches Up to 16 (White King)**Filo Magico**£10.73**4.2★1,110 rev](https://www.amazon.co.uk/dp/B09VH9Q73J) [2![My Home Store Cotton Fitted Sheets King Size - 100% Egyptian Cotton 300TC Hotel Quality 30 cm Fitted Bedsheets (White)](https://m.media-amazon.com/images/I/41AV7HYGhmL.jpg)**My Home Store Cotton Fitted Sheets King Size - 100% Egyptian Cotton 300TC Hotel Quality 30 cm Fitted Bedsheets (White)**My home store**£11.40**4.2★2,259 rev](https://www.amazon.co.uk/dp/B08LQFJPMG) [3![Funky Gadgets Super King Size Deep Fitted Sheets- White 100% Egyptian Cotton Bedding Sheet- Deep Fitted Sheet 30 Extra Deep Pocket Bedsheets Plain Dyed Bedding Set no Pillow case](https://m.media-amazon.com/images/I/41hJFuPkvuL.jpg)**Funky Gadgets Super King Size Deep Fitted Sheets- White 100% Egyptian Cotton Bedding Sheet- Deep Fitted Sheet 30 Extra Deep Pocket Bedsheets Plain Dyed Bedding Set no Pillow case**funky gadgets**£11.30**4.2★1,307 rev](https://www.amazon.co.uk/dp/B08K9445ZK) [4![Aisbo King Size Fitted Sheet Grey - Extra Deep Pocket Bed Sheet 16 inch 40 cm - Microfiber Bottom Sheet 150x200cm](https://m.media-amazon.com/images/I/41hpDbl5QZL.jpg)**Aisbo King Size Fitted Sheet Grey - Extra Deep Pocket Bed Sheet 16 inch 40 cm - Microfiber Bottom Sheet 150x200cm**Aisbo**£7.25**4.5★3,892 rev](https://www.amazon.co.uk/dp/B086H9JBW3) [5![Moonlight Bedding King Size Fitted Sheets 40 Cm Extra Deep Pocket Grey Bed Sheets 16 inch Ultra Soft Bottom Sheet Brushed Microfiber Breathable Shrinkage and Fade Resistant](https://m.media-amazon.com/images/I/41a13D3EwaL.jpg)**Moonlight Bedding King Size Fitted Sheets 40 Cm Extra Deep Pocket Grey Bed Sheets 16 inch Ultra Soft Bottom Sheet Brushed Microfiber Breathable Shrinkage and Fade Resistant**MOONLIGHT20015**£7.78**4.5★4,738 rev](https://www.amazon.co.uk/dp/B0C43DMSXL)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![BEDIO King Size Fitted Sheet 40 CM Extra Deep Pocket Charcoal Grey Bed Sheet Soft Brushed Microfiber Fabric All Around Elastic Breathable Shrinkage Fade-Resistant Comfortable Bedding](https://m.media-amazon.com/images/I/41asA0z7uvL.jpg)**BEDIO King Size Fitted Sheet 40 CM Extra Deep Pocket Charcoal Grey Bed Sheet Soft Brushed Microfiber Fabric All Around Elastic Breathable Shrinkage Fade-Resistant Comfortable Bedding**BEDIO**£9.45**30 rev9mo ago](https://www.amazon.co.uk/dp/B0FVRZSL35) [![MIKI WELL King Size Fitted Sheet Deep - White Bottom Sheet Extra Deep Pocket 16 inch 40 cm Soft Microfiber Kingsize Bed Sheet Wrinkle Resistant & Breathable](https://m.media-amazon.com/images/I/41gZCUWH1NL.jpg)**MIKI WELL King Size Fitted Sheet Deep - White Bottom Sheet Extra Deep Pocket 16 inch 40 cm Soft Microfiber Kingsize Bed Sheet Wrinkle Resistant & Breathable**MIKI WELL**£7.15**163 rev1y ago](https://www.amazon.co.uk/dp/B0F4319TTV) [![Rehan & Co 100% Egyptian Cotton Fitted Sheets 300 Thread Count Breathable Hotel Qulaity Bedding 12 / 30cm Deep Fitted Bed Sheet. (White Fitted Sheet King)](https://m.media-amazon.com/images/I/413W6vMIs5L.jpg)**Rehan & Co 100% Egyptian Cotton Fitted Sheets 300 Thread Count Breathable Hotel Qulaity Bedding 12 / 30cm Deep Fitted Bed Sheet. (White Fitted Sheet King)**REHAN & CO**£11.11**209 rev1y ago](https://www.amazon.co.uk/dp/B0DZCTMP3R) [![Grace King Size Fitted Sheets Extra Deep Pocket 40 cm (16 inches) Durable Elastic Bed Sheets - Premium Microfiber Fitted Sheets King Size - Ultrasoft Hypoallergenic Fade Resistant](https://m.media-amazon.com/images/I/41dUcjsYrzL.jpg)**Grace King Size Fitted Sheets Extra Deep Pocket 40 cm (16 inches) Durable Elastic Bed Sheets - Premium Microfiber Fitted Sheets King Size - Ultrasoft Hypoallergenic Fade Resistant**Grace**£9.04**84 rev1y ago](https://www.amazon.co.uk/dp/B0DF5Y6KVC) [![100% Egyptian Cotton Flat Sheet - 200 Thread Count Ultra-Soft Long Staple Bed Sheet Luxury Hotel Quality Bedding - Shrinkage & Fade Resistant - Easy Care (King White)](https://m.media-amazon.com/images/I/41A6SCXFbJL.jpg)**100% Egyptian Cotton Flat Sheet - 200 Thread Count Ultra-Soft Long Staple Bed Sheet Luxury Hotel Quality Bedding - Shrinkage & Fade Resistant - Easy Care (King White)**Filo Magico**£10.01**475 rev2y ago](https://www.amazon.co.uk/dp/B0CF9RM15F)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Linens World Egyptian Cotton Fitted Sheets King Size Breathable Anti Wrinkle 40cm Deep Pocket 200 Thread Count Bed Sheets Bedding & Linen 152 X 200-CM White Bedding King Size Fitted Sheets](https://m.media-amazon.com/images/I/41zX7vuidIL.jpg)**Linens World Egyptian Cotton Fitted Sheets King Size Breathable Anti Wrinkle 40cm Deep Pocket 200 Thread Count Bed Sheets Bedding & Linen 152 X 200-CM White Bedding King Size Fitted Sheets**Linens World**£8.46**4.3★**▲ 265%**](https://www.amazon.co.uk/dp/B09KRZZSYK) [![BEDIO King Size Fitted Sheet 40 CM Extra Deep Pocket Charcoal Grey Bed Sheet Soft Brushed Microfiber Fabric All Around Elastic Breathable Shrinkage Fade-Resistant Comfortable Bedding](https://m.media-amazon.com/images/I/41asA0z7uvL.jpg)**BEDIO King Size Fitted Sheet 40 CM Extra Deep Pocket Charcoal Grey Bed Sheet Soft Brushed Microfiber Fabric All Around Elastic Breathable Shrinkage Fade-Resistant Comfortable Bedding**BEDIO**£9.45**4.2★**▲ 260%**](https://www.amazon.co.uk/dp/B0FVRZSL35) [![100% Egyptian Cotton Flat Sheet - 200 Thread Count Ultra-Soft Long Staple Bed Sheet Luxury Hotel Quality Bedding - Shrinkage & Fade Resistant - Easy Care (King White)](https://m.media-amazon.com/images/I/41A6SCXFbJL.jpg)**100% Egyptian Cotton Flat Sheet - 200 Thread Count Ultra-Soft Long Staple Bed Sheet Luxury Hotel Quality Bedding - Shrinkage & Fade Resistant - Easy Care (King White)**Filo Magico**£10.01**4.4★**▲ 256%**](https://www.amazon.co.uk/dp/B0CF9RM15F) [![Moonlight Bedding Double Fitted Sheet 40 Cm Extra Deep Pocket Grey Bed Sheets 16 inch Ultra Soft Bottom Sheet Brushed Microfiber Breathable Shrinkage and Fade Resistant](https://m.media-amazon.com/images/I/41a13D3EwaL.jpg)**Moonlight Bedding Double Fitted Sheet 40 Cm Extra Deep Pocket Grey Bed Sheets 16 inch Ultra Soft Bottom Sheet Brushed Microfiber Breathable Shrinkage and Fade Resistant**MOONLIGHT20015**£7.10**4.5★**▲ 229%**](https://www.amazon.co.uk/dp/B0C43DM2PY) [![Sunshine Comforts Egyptian Cotton Flat Sheets King Size Breathable Anti Wrinkle Shrink and Fade Resistant 200 Thread Count Bed Sheets Bedding & Linen 260 x 254cm White Bedding King Size Flat Sheets](https://m.media-amazon.com/images/I/41rGn+BhN5L.jpg)**Sunshine Comforts Egyptian Cotton Flat Sheets King Size Breathable Anti Wrinkle Shrink and Fade Resistant 200 Thread Count Bed Sheets Bedding & Linen 260 x 254cm White Bedding King Size Flat Sheets**Sunshine Comforts**£9.98**4.6★**▲ 196%**](https://www.amazon.co.uk/dp/B0BJZJ56BQ)

**~~View all trending →~~**

## **What buyers say about extra deep fitted sheet king size cotton**

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

### **What buyers love **

**Quality-Overall**25%

*“Excellent quality bedding”*

**Size-Overall**25%

*“Easy to fit”*

**Soft Feel**9%

*“Very smooth and comfortable”*

**Value For Money**9%

*“not expensive”*

**Comfort-Overall**8%

*“And comfortable”*

**Upholstery/Fabric Quality**3%

*“Good quality cotton sheets”*

**Material Quality**3%

*“Beautiful material”*

**Washability**2%

*“comfortable even after washing”*

**Thickness**2%

*“Lovely and thick”*

**Advertised Vs Actual Product**2%

*“As advertised”*

### **What buyers complain about **

**Size-Overall**20%

*“Does not fit”*

**Quality-Overall**17%

*“The sheet itself was poor quality”*

**Material Quality**6%

*“Cheap and shoddy material”*

**Hard Feel**6%

*“Not very soft”*

**Advertised Vs Actual Product**5%

*“does not resemble the images or description remotely”*

**Smell**4%

*“They had a chemical smell on unwrapping”*

**Value For Money**4%

*“I thought the price was a little too high”*

**Stretchability/Expandability/Elasticity**3%

*“elasticity very tight round matters”*

**Thickness**3%

*“Not as thick as I thought it was”*

**Durability**3%

*“One wash and it has bobbled, not impressed at all”*

### **Top return reasons **

**Size-Overall**42%

**Quality-Overall**12%

**Material Quality**11%

**Color**10%

**Thin**5%

**Advertised Vs Actual Product**2%

**Stain Resistance**2%

**Hard Feel**2%

**Thickness**2%

**Smell**2%

## **Common questions**

<dl>

<dt>**Is extra deep fitted sheet king size cotton profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £69K/yr across 28 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.9%. Flapen's verdict: Worth a look (51/100).</dd>

<dt>**How competitive is the extra deep fitted sheet king size cotton niche?**</dt><dd>21 brands and 24 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 57% of demand.</dd>

<dt>**What do buyers complain about in extra deep fitted sheet king size cotton?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.8%.</dd>

<dt>**When does demand for extra deep fitted sheet king size cotton peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the extra deep fitted sheet king size cotton niche?**</dt><dd>Listings span £6.87–£30.95; the average listing price is £11.20 (sweet spot $15–$100). The average incumbent carries 3,283 reviews — the moat a new listing must climb.</dd>

</dl>

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