---
title: "Tap Cartridges — £70K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/tap-cartridges"
last_updated: "2026-07-31T08:41:41.057Z"
locale: en
meta:
description: "Niche score 36/100 · £70K/yr market · 183K searches/yr · £7.32 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · £70K/yr market · 183K searches/yr · £7.32 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Tap Cartridges — £70K/yr Amazon UK Niche (2026) - Flapen"
---
# **tap cartridges**
**Skip it**
Prices mostly outside the sweet spot ($4.32–$11.53) — this niche doesn't clear our bar today.
Market size 17Growth 13Conversion 60Competition 43Returns 24Price range 0Avg price 20Brand share 64Review moat 68Quality gap 55
**Review moat**
**Good****770.6**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****5.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Bad****5.2%**
return rate — above 5% kills the launch gate
**Avg price**
**Bad****£7.32**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£70K**
£70K/yr · 183K searches
**Growth**
**Bad****-23.5%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£4.32–£11.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United Kingdom niche tracking, tap cartridges is a £70K/yr Amazon United Kingdom market (183K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan. Verdict: Skip it — 36/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **tap cartridges market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **£59K–£73K**
- units × avg price
- **Conversion rate**
- **5.2%**
- **Avg BSR**
- **#81**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.7%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**19 **▲rising
**Sellers**
**29**
**Top-5 brand share**
**67%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 93%
**Open market**
**28%**
- Seawhisper28% - Generic17% - Libenxue9% - MOTTDAM8% - NEUSID5% - Haiba5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.5% search growth over the last 90 days.
5K4KSpike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/tap-cartridges/trend)
## **Top tap cartridges search terms**
- **tap cartridge replacement**29K/yr-26.3%3.9% conv. - **mixer tap cartridge**25K/yr-26.9%3.7% conv. - **tap cartridge**15K/yr-22.8%3.8% conv. - **tap parts**13K/yr-36.5%0.6% conv. - **tap inserts**11K/yr-20.6%2.2% conv. - **tap valve replacement**9K/yr+18.8%5.8% conv. - **tap valve**9K/yr-22.1%3.8% conv. - **mixer tap cartridge replacement**7K/yr-31.1%2.9% conv. - **tap cartridges**11K/yr-28.4%1.1% conv. - **tap replacement parts**6K/yr+7.4%0.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/tap-cartridges/search-terms)
## **Top tap cartridges 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%10%£7K20%£14K30%£21K40%£28K1101001K10K 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**1/2 BSP Tap Cartridge Replacement Valves Brass Ceramic Disc Gland Insert 20 Teeth Spline Quarter Turn Hot & Cold Pair for UK Kitchen & Bathroom Basin Taps**Seawhisper**£7.32**4.5★3,979 rev](https://www.amazon.co.uk/dp/B00KG2ZKRK) [2**2 Pack Mixer Tap Cartridge 1/4 Turn 20 Spline Brass Replacement Ceramic Tap Valve Cartridge for Kitchen Shower Bathroom Taps**Generic**£7.73**4.2★140 rev](https://www.amazon.co.uk/dp/B0DNT26TJJ) [3**2PCS Solid Brass Ceramic Tap Cartridge 1/4 Turn 20 Spline - Universal Replacement for Kitchen/Bathroom/Shower Mixer Taps w/Washers & Seals**Libenxue**£5.40**4.4★46 rev](https://www.amazon.co.uk/dp/B0FMDGT75V) [4**Replacement Brass Ceramic Stem Disc Cartridge Faucet Valve Quarter Turn 1/2 for Bathroom Kitchen Tap (1 Pair Hot & Cold)**MOTTDAM**£6.11**4.3★2,652 rev](https://www.amazon.co.uk/dp/B07B7DVCZF) [5**2 Pieces Universal Mixer Tap Cartridge for Bathroom Kitchen 1/4 Turn 20 Spline Replacement Ceramic Tap Cartridges Tap Valve Solid Brass Ceramic (1 Pair Hot & Cold)**NEUSID**£5.62**4.3★107 rev](https://www.amazon.co.uk/dp/B0CYWD9VWC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CEYOME 2PCS Tap Cartridge Replacement 1/2 Inch Ceramic Disc Tap Valve Quarter Turn - 20 Spline Solid Brass Mixer Tap Inserts for Kitchen & Bathroom Basin (Hot & Cold Red & Blue)**CEYOME**£7.83**5 rev6mo ago](https://www.amazon.co.uk/dp/B0GCMSLPKX) [**1 Pair Universal Ceramic Tap Cartridge 1/4 Turn Solid Brass Faucet Valve Replacement Hot and Cold Tap Inserts Durable Ceramic Disc Mixer Core for Bathroom Basin Kitchen Sink Shower Taps**Lynqvor**£5.85**13 rev8mo ago](https://www.amazon.co.uk/dp/B0G1K58H72) [**2 Pcs Ceramic Tap Cartridge 1/4 Turn 20 Spline Tap Valve Replacement for Shower Bath Taps with Washers Tap Glands Seals Repair Kit Solid Brass Ceramic (1 Pair Hot & Cold)**Livawnd**£5.68**4 rev9mo ago](https://www.amazon.co.uk/dp/B0FVSBQPS8) [**Mixer Tap Cartridge 1/4 Turn 20 Spline Universal Solid Brass Ceramic Disc Tap Valves Replacement for Kitchen Basin & Bathroom Shower Taps 2-PCSe Repair Kit**Generic**£4.32**10 rev10mo ago](https://www.amazon.co.uk/dp/B0FS84G9W7) [**2 Pack Mixer Tap Cartridge Brass Ceramic Tap Valve Cartridge Replacement for Franke Eiger SP3561 Kitchen Tap (WRAS Approved)**YAMATARO**£8.18**24 rev11mo ago](https://www.amazon.co.uk/dp/B0FNR886Y8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CEYOME 2PCS Tap Cartridge Replacement 1/2 Inch Ceramic Disc Tap Valve Quarter Turn - 20 Spline Solid Brass Mixer Tap Inserts for Kitchen & Bathroom Basin (Hot & Cold Red & Blue)**CEYOME**£7.83**5.0★**▲ 286%**](https://www.amazon.co.uk/dp/B0GCMSLPKX) [**TC55 Mixer Tap Cartridge Replacement Tap Valves for Popular Franke Ascona 3308R Half Turn 7.8mm x 28 Spline 39.3mm Total Length Valve Ceramic Tap Spares Repair Reviver Kit Gland Hot and Cold**Generic**£8.52**4.6★**▲ 204%**](https://www.amazon.co.uk/dp/B0DQQ4G2FJ) [**2 Pcs Ceramic Tap Cartridge 1/4 Turn 20 Spline Tap Valve Replacement for Shower Bath Taps with Washers Tap Glands Seals Repair Kit Solid Brass Ceramic (1 Pair Hot & Cold)**Livawnd**£5.68**3.6★**▲ 137%**](https://www.amazon.co.uk/dp/B0FVSBQPS8) [**Wärmer System Tap Repair Kit 2 Tap Heads + 2 Brass Valves 1/2**Wärmer System**£11.37**4.3★**▲ 132%**](https://www.amazon.co.uk/dp/B07MTF249J) [**Mixer Tap Cartridge 1/4 Turn 20 Spline Universal Solid Brass Ceramic Disc Tap Valves Replacement for Kitchen Basin & Bathroom Shower Taps 2-PCSe Repair Kit**Generic**£4.32**4.2★**▲ 125%**](https://www.amazon.co.uk/dp/B0FS84G9W7)
**~~View all trending →~~**
## **What buyers say about tap cartridges**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**26%
*“Easy fit”*
**Quality-Overall**18%
*“Great product recommended to by”*
**Value For Money**15%
*“Excellent value”*
**Leak-Proof**8%
*“No more drips”*
**Advertised Vs Actual Product**7%
*“Does the job”*
**Assembly/Installation**6%
*“Install is straight forward”*
**Ease Of Use**5%
*“Easy to use”*
**Functionality-Overall**2%
*“the valve works fine”*
**Durability**1%
*“more durable than cheaper options”*
**Correct Contents**1%
*“Perfect part”*
### **What buyers complain about **
**Leak-Proof**19%
*“had been dripping quite a while”*
**Size-Overall**11%
*“will not fit most tap knobs”*
**Quality-Overall**10%
*“Cheap”*
**Durability**8%
*“Unfortunately, after less than four years, the internal mechanism has broken”*
**Color**6%
*“So blue was really red”*
**Ease Of Use**4%
*“Incidentally, the old cartridge was extremely difficult to remove”*
**Advertised Vs Actual Product**4%
*“Incorrect description”*
**Instructions/User Manual/Troubleshooting**2%
*“Check direction before fitting”*
**Value For Money**1%
*“The tap was quite expensive”*
### **Top return reasons **
**Size-Overall**79%
**Compatibility-Overall**10%
**Defective Material/Parts**3%
**Leak-Proof**2%
**Advertised Vs Actual Product**2%
**Functionality-Overall**1%
**Quality-Overall**1%
**Maintenance And Repair**0%
**Assembly/Installation**0%
**Measurement/Reading Accuracy**0%
## **Common questions**
- **Is tap cartridges profitable to sell on Amazon United Kingdom?**
- The niche generates £70K/yr across 25 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -23.5%. Flapen's verdict: Skip it (36/100).
- **How competitive is the tap cartridges niche?**
- 19 brands and 29 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in tap cartridges?**
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 5.2% — above our launch gate.
- **When does demand for tap cartridges peak?**
- Demand peaks in Jan; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the tap cartridges niche?**
- Listings span £4.32–£11.53; the average listing price is £7.32 (sweet spot $15–$100). The average incumbent carries 771 reviews — the moat a new listing must climb.
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