---
title: "Knock Box — £370K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/knock-box"
last_updated: "2026-08-01T04:04:51.719Z"
locale: en
meta:
description: "Niche score 62/100 · £370K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 62/100 · £370K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Knock Box — £370K/yr Amazon UK Niche (2026) - Flapen"
---
# **knock box**
**Worth a look**
Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 54Growth 14Conversion 72Competition 67Returns 95Price range 70Avg price 58Brand share 87Review moat 81Quality gap 63
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Review moat**
**Great****381.82**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****£6.05–£36.17**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£12.96**
avg listing price — sweet spot $15–$100
**Market size**
**Good****£370K**
£370K/yr · 427K searches
**Growth**
**Bad****-22.5%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United Kingdom niche tracking, knock box is a £370K/yr Amazon United Kingdom market (427K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 62/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **knock box market data**
- **Units sold / yr**
- **20K–25K**
- avg 500–750/product
- **Revenue / yr**
- **£259K–£324K**
- units × avg price
- **Conversion rate**
- **6.7%**
- **Avg BSR**
- **#214**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **82%**
- **Out of stock**
- **2.3%**
- **Avg brand age**
- **22 months**
- **Avg seller age**
- **198 days**
## **Competition & brand share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**28 **▲rising
**Sellers**
**44**
**Top-5 brand share**
**48%**
Top 20: 92%
**Top-5 click share**
**45%**
Top 20: 85%
**Open market**
**47%**
- JinZeYou14% - Sage10% - De'Longhi9% - Ideal Swan8% - Ailelan7% - FOKA MAT5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -22.5% search growth over the last 90 days.
20K15KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Dec · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/uk/home-garden/knock-box/trend)
## **Top knock box search terms**
- **coffee knock box**192K/yr-21.6%5.4% conv. - **knock box**94K/yr-20.2%5.0% conv. - **coffee grounds knock box**28K/yr-14.5%7.1% conv. - **coffee knock box with lid**24K/yr-20.6%3.2% conv. - **coffee bin**17K/yr-14.0%6.0% conv. - **coffee puck bin**14K/yr-20.3%7.2% conv. - **espresso knock box**12K/yr-38.6%4.5% conv. - **coffee grounds bin**9K/yr-24.5%5.0% conv. - **coffee bin knock box**8K/yr-32.8%5.4% conv. - **coffee grind bin**5K/yr-16.4%7.3% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/knock-box/search-terms)
## **Top knock box 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%4%£15K8%£30K12%£44K16%£59K1101001K10K 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**Coffee Knock Box Coffee Grounds Container Espresso Grounds Bin Knock Box Barista Coffee Grind Bin Knock Out Box with Removable Metal Knock Bar & Non-Slip Base Coffee Machine Accessories**JinZeYou**£9.46**4.5★666 rev](https://www.amazon.co.uk/dp/B0BYVGSZ6L) [2**DeLonghi Coffee Knock Box StainlessSteel Coffee Grounds Collector with NonSlip Rubber Base Removable Bar Strong & Stable Construction Easy to Clean (DLSC084) Silver**De'Longhi**£17.75**4.7★418 rev](https://www.amazon.co.uk/dp/B0F6YXC3CR) [3**Sage - the Knock Box 10 - for Easy & Mess-Free Disposal of Coffee Pucks - Stores up to 10 Espresso Pucks Brushed Stainless Steel**Sage**£24.87**4.6★511 rev](https://www.amazon.co.uk/dp/B0CYHDKV6R) [4**Ideal Swan Barista Style Espresso Knock Box - 4.8 Inch Shock-Absorbent Coffee Bin with Removable Metal Knock Bar and Non-Slip Base (Black)**Ideal Swan**£11.79**4.6★2,078 rev](https://www.amazon.co.uk/dp/B08R6W8SW7) [5**Coffee Knock Box - 4.8 Inch Espresso Grounds Bin With Removable Metal Bar Shock-Absorbent Barista Accessory for Coffee Machines**Ailelan**£12.42**4.7★1,718 rev](https://www.amazon.co.uk/dp/B083TQ7LPR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Coffee Knock Box with Tamping Mat Non-Slip Espresso Grounds Bin with Shock-Absorbent Bar for Home Barista Use**FOKA MAT**£8.54**7 rev2mo ago](https://www.amazon.co.uk/dp/B0H36BJH81) [**Mokarya Coffee Knock Box Knock Box with Lid - Stainless Steel Coffee Grounds Bin Small Espresso Knock Box with Non-Slip Base Large Capacity Waste Container Removable Knock Bar Coffee Accessories**Mokarya**£14.11**32 rev5mo ago](https://www.amazon.co.uk/dp/B0GLXVTDQP) [**Coffee Grounds Knock Box Non-Slip Base Espresso Knocks Box Bin with Removable Knock-Bar 4.9inch Large Capacity Coffee Grounds Container with Tamping Mat Coffee Accessories for Home Baristas Cafes**Zernavith**£8.13**23 rev9mo ago](https://www.amazon.co.uk/dp/B0FWJVMSYM) [**CHDEXU Coffee Knock Box Small Espresso Knock Box with Brush Coffee Grounds Knock Out Box with Removable Knock Bar Coffee Container with Non-Slip Base for Coffee Machines**CHDEXU**£12.28**36 rev9mo ago](https://www.amazon.co.uk/dp/B0FWBRJGGR) [**ISHEWUDU Coffee Knock Box with Brush Stainless Steel Coffee Grounds Bin - Small Espresso Knock Box Non-Slip Base Large Capacity Coffee Waste Container Removable Knock Bar Coffee Accessories**ISHEWUDU**£13.29**82 rev12mo ago](https://www.amazon.co.uk/dp/B0FKH24M8P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Coffee Knock Box with Tamping Mat Non-Slip Espresso Grounds Bin with Shock-Absorbent Bar for Home Barista Use**FOKA MAT**£8.54**4.4★**▲ 369%**](https://www.amazon.co.uk/dp/B0H36BJH81) [**MORAINJAY Small Coffee Knock Box Army Green Espresso Coffee Grounds Bin with Removable Knock Bar Container Knock Box with Shock-Absorbent Non-Slip Base Grind Barista Machine Accessories**MORAINJAY**£7.70**4.2★**▲ 217%**](https://www.amazon.co.uk/dp/B0DGQBDLCC) [**DeLonghi Coffee Knock Box StainlessSteel Coffee Grounds Collector with NonSlip Rubber Base Removable Bar Strong & Stable Construction Easy to Clean (DLSC084) Silver**De'Longhi**£17.75**4.7★**▲ 217%**](https://www.amazon.co.uk/dp/B0F6YXC3CR) [**Mokarya Coffee Knock Box Knock Box with Lid - Stainless Steel Coffee Grounds Bin Small Espresso Knock Box with Non-Slip Base Large Capacity Waste Container Removable Knock Bar Coffee Accessories**Mokarya**£14.11**4.6★**▲ 206%**](https://www.amazon.co.uk/dp/B0GLXVTDQP) [**Coffee Knock Box Coffee Grounds Knock Box BlackCoffee Grounds Bins Barista Espresso Coffee Machine Accessories with Removable Bar & Non-Slip Base(Black)**McBlast**£6.05**4.5★**▲ 121%**](https://www.amazon.co.uk/dp/B0F5PXXPKZ)
**~~View all trending →~~**
## **What buyers say about knock box**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Build quality feels solid”*
**Ease Of Cleaning**12%
*“Cleaning is straightforward”*
**Strength**10%
*“with a sturdy construction that gives confidence it will stand up to daily use”*
**Value For Money**9%
*“Excellent value”*
**Advertised Vs Actual Product**8%
*“Just what I needed”*
**Size-Overall**7%
*“perfect size for my set up”*
**Ease Of Use**6%
*“makes life easier”*
**Design-Overall**3%
*“Nice design”*
**Durability**3%
*“For the price its very durable”*
**Efficiency**2%
*“does job perfectly”*
### **What buyers complain about **
**Size-Overall**17%
*“It's a bit loose”*
**Quality-Overall**12%
*“not the expected quality”*
**Value For Money**11%
*“Over priced for what it is”*
**Durability**11%
*“Broke within a few days of use”*
**Material Quality**4%
*“Made of plastic”*
**Measurement/Reading Accuracy**2%
*“Don't trust the measurements above”*
**Height**2%
*“its ok, the knock bar could do with being a bit higher apart from that its ok”*
**Color**2%
*“received red”*
**Functionality-Overall**2%
*“Hits the mark everytime”*
**Design-Overall**2%
*“design not perfect”*
### **Top return reasons **
**Size-Overall**53%
**Quality-Overall**12%
**Functionality-Overall**5%
**Compatibility-Overall**4%
**Durability**4%
**Material Quality**3%
**Advertised Vs Actual Product**2%
**Mechanism Issues**2%
**Value For Money**1%
**Ease Of Use**1%
## **Common questions**
- **Is knock box profitable to sell on Amazon United Kingdom?**
- The niche generates £370K/yr across 34 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -22.5%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the knock box niche?**
- 28 brands and 44 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 48% of demand.
- **What do buyers complain about in knock box?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 1.0%.
- **When does demand for knock box peak?**
- Demand peaks in Jan–Dec; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the knock box niche?**
- Listings span £6.05–£36.17; the average listing price is £12.96 (sweet spot $15–$100). The average incumbent carries 382 reviews — the moat a new listing must climb.
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