---
title: "Ninja Coffee Machine Water Filter — £82K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/ninja-coffee-machine-water-filter"
last_updated: "2026-08-01T04:06:48.487Z"
locale: en
meta:
description: "Niche score 38/100 · £82K/yr market · 53K searches/yr · £9.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £82K/yr market · 53K searches/yr · £9.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ninja Coffee Machine Water Filter — £82K/yr Amazon UK Niche (2026) - Flapen"
---
# **ninja coffee machine water filter**
**Skip it**
Prices mostly outside the sweet spot ($6.05–$12.54) — this niche doesn't clear our bar today.
Market size 20Growth 17Conversion 98Competition 8Returns 99Price range 0Avg price 26Brand share 16Review moat 95Quality gap 40
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Incredible****93.88**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****£9.11**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£82K**
£82K/yr · 53K searches
**Growth**
**Bad****-16.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****90%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****£6.05–£12.54**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, ninja coffee machine water filter is a £82K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 38/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ninja coffee machine water filter market data**
- **Units sold / yr**
- **6K–8K**
- avg 750–1,000/product
- **Revenue / yr**
- **£55K–£73K**
- units × avg price
- **Conversion rate**
- **17.0%**
- **Avg BSR**
- **#53**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **18 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**8**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**3%**
- MLKSI57% - TranRantic16% - SAIERTE9% - Hushtong7% - sumue5% - toijnhtk3% - Open — no brand owns it (1 brand, 3%)
## **Demand**
Weekly Amazon search volume, last 43 weeks — -16.1% search growth over the last 90 days.
2K1KSpike '26Prime Day '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/home-garden/ninja-coffee-machine-water-filter/trend)
## **Top ninja coffee machine water filter search terms**
- **ninja coffee machine water filter**16K/yr-28.7%17.9% conv. - **ninja cafe luxe water filter**6K/yr+85.1%10.8% conv. - **ninja luxe cafe water filter**10K/yr-17.0%16.9% conv. - **ninja coffee machine filter**5K/yr+1.8%14.4% conv. - **ninja water filter**6K/yr-22.2%10.8% conv. - **ninja water filter for coffee machine**2K/yr-34.1%19.7% conv. - **ninja filter coffee machine**4K/yr-10.5%6.3% conv. - **ninja coffee filter**4K/yr-57.7%9.1% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/ninja-coffee-machine-water-filter/search-terms)
## **Top ninja coffee machine water filter 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%15%£12K30%£25K45%£37K60%£49K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Water Filter Inserts for Ninja Luxe Cafe Accessories 12 Pack**MLKSI**£10.32**4.6★441 rev](https://www.amazon.co.uk/dp/B0FFMD7Q9D) [2**Tranrantic 8 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories**TranRantic**£9.23**4.8★117 rev](https://www.amazon.co.uk/dp/B0G246ZQTD) [3**SAIERTE 6 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Replacement Activated Caborn Coffee Machine Accessories Compatible with Ninja Luxe Café Premier Espresso Machine**SAIERTE**£8.05**4.5★46 rev](https://www.amazon.co.uk/dp/B0G3KQ1X8K) [4**Water Filter Replacement Compatible with Ninja Coffee Machine Luxe Cafe and Espresso Machine ES601 Accessories - Charcoal Filtration Inserts (12 Pack Water Filters)**Hushtong**£11.28**4.8★13 rev](https://www.amazon.co.uk/dp/B0FWX813WN) [5**10 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Activated Carbon Filter for Coffee Machine Compatible with Ninja Luxe Café Premier Espresso Machine ES601UK & Pro Series ES701UK**sumue**£7.93**3.8★5 rev](https://www.amazon.co.uk/dp/B0GCMXD6BR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**8Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Charcoal Replacement Filters for Ninja Luxe Cafe Premier Espresso Machine ES601UK ES701UK**toijnhtk**£6.05**6 rev3mo ago](https://www.amazon.co.uk/dp/B0GHZLS2GV) [**8 Pack Water Filter Inserts Replacement Water Filters Compatible with Ninja Luxe Café Premier Espresso Machine Improves Taste & Reduces Chlorine and Limescale for Home Coffee Brewing**KDRNXVAL**£7.48**6 rev5mo ago](https://www.amazon.co.uk/dp/B0GM1JHX1Y) [**SAIERTE 6 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Replacement Activated Caborn Coffee Machine Accessories Compatible with Ninja Luxe Café Premier Espresso Machine**SAIERTE**£8.05**46 rev6mo ago](https://www.amazon.co.uk/dp/B0G3KQ1X8K) [**10 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Activated Carbon Filter for Coffee Machine Compatible with Ninja Luxe Café Premier Espresso Machine ES601UK & Pro Series ES701UK**sumue**£7.93**5 rev7mo ago](https://www.amazon.co.uk/dp/B0GCMXD6BR) [**Tranrantic 8 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories**TranRantic**£9.23**117 rev8mo ago](https://www.amazon.co.uk/dp/B0G246ZQTD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**8Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Charcoal Replacement Filters for Ninja Luxe Cafe Premier Espresso Machine ES601UK ES701UK**toijnhtk**£6.05**4.1★**▲ 154%**](https://www.amazon.co.uk/dp/B0GHZLS2GV) [**10 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Activated Carbon Filter for Coffee Machine Compatible with Ninja Luxe Café Premier Espresso Machine ES601UK & Pro Series ES701UK**sumue**£7.93**3.8★**▲ 142%**](https://www.amazon.co.uk/dp/B0GCMXD6BR) [**SAIERTE 6 Pack Water Filter Inserts for Ninja Luxe Cafe Accessories Replacement Activated Caborn Coffee Machine Accessories Compatible with Ninja Luxe Café Premier Espresso Machine**SAIERTE**£8.05**4.5★**▲ 92%**](https://www.amazon.co.uk/dp/B0G3KQ1X8K) [**8 Pack Water Filter Inserts Replacement Water Filters Compatible with Ninja Luxe Café Premier Espresso Machine Improves Taste & Reduces Chlorine and Limescale for Home Coffee Brewing**KDRNXVAL**£7.48**4.7★**▲ 69%**](https://www.amazon.co.uk/dp/B0GM1JHX1Y) [**Water Filter Replacement Compatible with Ninja Coffee Machine Luxe Cafe and Espresso Machine ES601 Accessories - Charcoal Filtration Inserts (12 Pack Water Filters)**Hushtong**£11.28**4.8★**▲ 43%**](https://www.amazon.co.uk/dp/B0FWX813WN)
**~~View all trending →~~**
## **What buyers say about ninja coffee machine water filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**29%
*“Excellent value for money”*
**Size-Overall**26%
*“Perfect fit”*
**Advertised Vs Actual Product**14%
*“Exactly what I wanted”*
**Quality-Overall**9%
*“Excellent product”*
**Filtration**7%
*“The filters themselves seem decent quality”*
**Compatibility-Overall**5%
*“Perfect for Ninja 701 pro”*
**Ease Of Use**3%
*“Very easy to use”*
**Assembly/Installation**2%
*“Easy to install”*
**Durability**2%
*“That would give you enough to last a full year”*
**Strength**1%
*“They're not flimsy either”*
### **What buyers complain about **
**Size-Overall**60%
*“All others I found were too small”*
**Advertised Vs Actual Product**7%
*“However, I have an issue with the misleading claim on the web page. made more than once”*
**Material Quality**7%
*“The permeable wall is made from a synthetic fibrous material which is not as firm as in the original cartridge”*
### **Top return reasons **
**Filtration**39%
**Quality-Overall**28%
**Certifications**11%
**Water Resistance**11%
**Compatibility-Overall**11%
## **Common questions**
- **Is ninja coffee machine water filter profitable to sell on Amazon United Kingdom?**
- The niche generates £82K/yr across 8 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -16.1%. Flapen's verdict: Skip it (38/100).
- **How competitive is the ninja coffee machine water filter niche?**
- 7 brands and 8 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in ninja coffee machine water filter?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Material Quality. The return rate is 0.1%.
- **What does it cost to enter the ninja coffee machine water filter niche?**
- Listings span £6.05–£12.54; the average listing price is £9.11 (sweet spot $15–$100). The average incumbent carries 94 reviews — the moat a new listing must climb.
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