---
title: "Deep Fitted King Size Sheet — £139K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/deep-fitted-king-size-sheet"
last_updated: "2026-07-31T19:46:25.670Z"
locale: en
meta:
description: "Niche score 46/100 · £139K/yr market · 244K searches/yr · £9.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £139K/yr market · 244K searches/yr · £9.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Deep Fitted King Size Sheet — £139K/yr Amazon UK Niche (2026) - Flapen"
---
# **deep fitted king size sheet**
**Skip it**
Soft demand (-19.0% this quarter) — this niche doesn't clear our bar today.
Market size 31Growth 16Conversion 68Competition 44Returns 98Price range 58Avg price 27Brand share 60Review moat 18Quality gap 47
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****£6.29–£27.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****£139K**
£139K/yr · 244K searches
**Avg price**
**Okay****£9.28**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****16,722**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-19.0%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, deep fitted king size sheet is a £139K/yr Amazon United Kingdom market (244K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan. Verdict: Skip it — 46/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **deep fitted king size sheet market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **£139K–£186K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#19**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **95%**
- **Out of stock**
- **5.2%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 99%
**Open market**
**23%**
- Utopia Bedding25% - MOONLIGHT2001514% - Bedsure11% - Aisbo10% - Filo Magico9% - Tifschlaf8%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -19.0% search growth over the last 90 days.
6K4KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/home-garden/deep-fitted-king-size-sheet/trend)
## **Top deep fitted king size sheet search terms**
- **deep fitted king size sheet**143K/yr-23.1%4.3% conv. - **king size fitted sheets deep fit**55K/yr-20.1%5.1% conv. - **king size deep fitted sheet**43K/yr-4.9%4.8% conv. - **fitted sheets king size deep fit**2K/yr+9.6%3.7% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/deep-fitted-king-size-sheet/search-terms)
## **Top deep fitted king size sheet 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%£7K10%£14K15%£21K20%£28K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Utopia Bedding Fitted Sheet King Grey - Deep Pocket 14 inch (35 cm) - Easy Care - OEKO-TEX Certified - Soft Brushed Microfibre Fabric - Shrinkage and Fade Resistant - Bottom Sheet**Utopia Bedding**£6.44**4.6★133,035 rev](https://www.amazon.co.uk/dp/B07BFTX96F) [2**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) [3**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) [4**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) [5**Bedsure King Size Fitted Sheets - Bed Sheets Extra Deep Pocket 16 inch (40 cm) made of Soft Brushed Microfiber for Kingsize Bed Grey 150x200cm**Bedsure**£8.86**4.5★13,428 rev](https://www.amazon.co.uk/dp/B0836FFHC8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BEDELITE King Fitted Sheet White 150x200cm**BEDELITE**£7.27**72 rev6mo ago](https://www.amazon.co.uk/dp/B0GHVKZGJ6) [**Dark Grey Fitted Sheet King Beds (150×200 cm Deep 35 cm) Pack of 1 Soft Microfibre Elasticated Cover Breathable Durable & Easy Care Bottom Sheet**Novo Home**£8.05**239 rev1y ago](https://www.amazon.co.uk/dp/B0D8432Q67) [**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) [**CHCOMFORT King Size Fitted Sheet 150×200 cm with 2 Pillowcases | Extra Deep 40cm Pocket | Soft Wrinkle-Free Fade-Resistant and Breathable Grey Microfiber Bed Sheet(Gray King)**CHCOMFORT**£10.39**763 rev2y ago](https://www.amazon.co.uk/dp/B0CVW8W64J) [**Tifschlaf King Size Fitted Sheet Deep - White Kingsize Bed Sheet Extra Deep Pocket 16 inch (40 cm) Soft Brushed Microfiber Mattress Bottom Bedding Sheet 150x200cm**Tifschlaf**£7.53**462 rev2y ago](https://www.amazon.co.uk/dp/B0D53P6CCX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BEDELITE King Fitted Sheet White 150x200cm**BEDELITE**£7.27**4.5★**▲ 321%**](https://www.amazon.co.uk/dp/B0GHVKZGJ6) [**Tifschlaf King Size Fitted Sheet Deep - Grey Kingsize Bed Sheet Extra Deep Pocket 16 inch (40 cm) Soft Brushed Microfiber Mattress Bottom Bedding Sheet 150x200cm**Tifschlaf**£8.93**4.5★**▲ 311%**](https://www.amazon.co.uk/dp/B0D531CSDP) [**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★**▲ 224%**](https://www.amazon.co.uk/dp/B09KRZZSYK) [**Bedsure Double Fitted Sheet Deep - Bed Sheets Extra Deep Pocket 16 inch (40 cm) made of Soft Brushed Microfiber for Double Bed Grey 135x190cm**Bedsure**£7.57**4.5★**▲ 111%**](https://www.amazon.co.uk/dp/B08LMBBHSW) [**Dark Grey Fitted Sheet King Beds (150×200 cm Deep 35 cm) Pack of 1 Soft Microfibre Elasticated Cover Breathable Durable & Easy Care Bottom Sheet**Novo Home**£8.05**4.5★**▲ 94%**](https://www.amazon.co.uk/dp/B0D8432Q67)
**~~View all trending →~~**
## **What buyers say about deep fitted king size sheet**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**26%
*“Brilliant fit”*
**Quality-Overall**19%
*“A good product as described”*
**Value For Money**14%
*“Excellent value”*
**Soft Feel**12%
*“Cool and smooth”*
**Comfort-Overall**6%
*“And comfortable”*
**Material Quality**3%
*“The material is lovely and soft, fairly thick quality”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Washability**2%
*“comfortable even after washing”*
**Upholstery/Fabric Quality**2%
*“The fabric is breathable and lightweight, making it comfortable to sleep on in both warm and cool weather”*
**Thickness**1%
*“Lovely and thick”*
### **What buyers complain about **
**Size-Overall**20%
*“but far too big”*
**Quality-Overall**14%
*“Cheap rubbish”*
**Material Quality**8%
*“Cheap and shoddy material”*
**Value For Money**5%
*“Waste of money”*
**Thickness**5%
*“Not as thick as I thought it was”*
**Washability**4%
*“By the first wash it was full of bobbles”*
**Durability**4%
*“One wash and it has bobbled, not impressed at all”*
**Advertised Vs Actual Product**4%
*“Misleading”*
**Allergies**3%
*“Itchy and Scratchy”*
**Comfort-Overall**2%
*“Uncomfortable”*
### **Top return reasons **
**Size-Overall**42%
**Material Quality**15%
**Color**12%
**Quality-Overall**10%
**Thin**4%
**Advertised Vs Actual Product**3%
**Stain Resistance**2%
**Stretchability/Expandability/Elasticity**1%
**Hard Feel**1%
**Soft Feel**1%
## **Common questions**
- **Is deep fitted king size sheet profitable to sell on Amazon United Kingdom?**
- The niche generates £139K/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -19.0%. Flapen's verdict: Skip it (46/100).
- **How competitive is the deep fitted king size sheet niche?**
- 16 brands and 20 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in deep fitted king size sheet?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.5%.
- **When does demand for deep fitted king size sheet peak?**
- Demand peaks in Jan; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the deep fitted king size sheet niche?**
- Listings span £6.29–£27.07; the average listing price is £9.28 (sweet spot $15–$100). The average incumbent carries 16,722 reviews — the moat a new listing must climb.
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