---
title: "C500 Gas Cartridge — £130K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/c500-gas-cartridge"
last_updated: "2026-07-31T13:00:25.328Z"
locale: en
meta:
description: "Niche score 50/100 · £130K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £130K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "C500 Gas Cartridge — £130K/yr Amazon UK Niche (2026) - Flapen"
---
# **c500 gas cartridge**
**Worth a look**
Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 29Growth 95Conversion 66Competition 18Returns 100Price range 73Avg price 79Brand share 0Review moat 50Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+117.4%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****£16.77**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£6.70–£37.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,516.18**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£130K**
£130K/yr · 130K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United Kingdom niche tracking, c500 gas cartridge is a £130K/yr Amazon United Kingdom market (130K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 50/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **c500 gas cartridge market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **£101K–£134K**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#20**
- **Page quality**
- **0%**
- **Prime**
- **36%**
- **Sponsored**
- **45%**
- **Out of stock**
- **25.6%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**36**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**0%**
- Coleman68% - Green Haven22% - Primus6% - Taylor & Brown4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +117.4% search growth over the last 90 days.
6K4KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 5.1×
[**Open Trend **](https://flapen.com/research/uk/home-garden/c500-gas-cartridge/trend)
## **Top c500 gas cartridge search terms**
- **en417 gas cartridge**23K/yr+143.3%2.8% conv. - **c500 gas cartridge**24K/yr+83.0%7.5% conv. - **bbq gas canister**14K/yr+296.5%1.6% conv. - **coleman gas**16K/yr+19.8%8.2% conv. - **en417 gas cartridge threaded**5K/yr+235.8%3.2% conv. - **coleman c500**7K/yr+158.6%10.4% conv. - **coleman gas canister**11K/yr+131.3%6.9% conv. - **threaded gas canisters**5K/yr+148.0%1.5% conv. - **c500 gas canister**7K/yr+53.3%6.7% conv. - **c500 gas**6K/yr+63.8%7.2% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/c500-gas-cartridge/search-terms)
## **Top c500 gas cartridge 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%£19K30%£39K45%£58K60%£78K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Coleman Extra Value 6 x C500 Gas Cartridge (Pack of 6) - Green**Coleman**£29.21**4.8★8,304 rev](https://www.amazon.co.uk/dp/B01679T6QQ) [2**Coleman C500 Performance Gas Cartridge 4-Pack valve cartridge with screw valve suitable for camping stoves camping grills and BBQs or lamps 440g powerful butane/propane mixture per canister**Coleman**£18.98**4.8★90 rev](https://www.amazon.co.uk/dp/B0F3TW969C) [3**Green Haven C500 Camping Gas Canisters 6 Pack | EN417 Screw-On Gas Cartridges | Resealable Valve | Compatible with Camping Stoves Heaters Lanterns & Outdoor Cooking Equipment**Green Haven**£24.35**4.6★513 rev](https://www.amazon.co.uk/dp/B09TLG3W5H) [4**Coleman C300 Performance Gas Cartridge | Butane & Propane Blend for Camping Stoves | 361 g**Coleman**£6.70**4.6★290 rev](https://www.amazon.co.uk/dp/B0BYPBS5YP) [5**Coleman C500 Performance Butane/Propane Gas Cartridge - Green**Coleman**£10.34**4.7★3,874 rev](https://www.amazon.co.uk/dp/B01BKKYNU6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Coleman C500 Performance Gas Cartridge 4-Pack valve cartridge with screw valve suitable for camping stoves camping grills and BBQs or lamps 440g powerful butane/propane mixture per canister**Coleman**£18.98**90 rev1y ago](https://www.amazon.co.uk/dp/B0F3TW969C) [**Green Haven C500 Camping Gas Canisters 2 Pack | EN417 Screw-On Gas Cartridges | Resealable Valve | Compatible with Camping Stoves Heaters Lanterns & Outdoor Cooking Equipment**Green Haven**£11.78**513 rev2y ago](https://www.amazon.co.uk/dp/B0CW1QN44N) [**Primus Camping Gas Canister - Power Gas 1-Pack 450g - Standard Threaded Gas Canisters for Camping Stove - Mix of Isobutane & Propane Gas - EN417 Gas Cartridge for Camping Stove**Primus**£12.03**123 rev2y ago](https://www.amazon.co.uk/dp/B0CVS96CWN) [**Primus Camping Gas Canister - Power Gas 1-Pack 230g - Standard Threaded Gas Canisters for Camping Stove - Mix of Isobutane & Propane Gas - EN417 Gas Cartridge for Camping Stove**Primus**£10.50**429 rev2y ago](https://www.amazon.co.uk/dp/B0CVSCFGW9) [**3 Pack 450g Butane-Propane Screw On Gas Canisters Gas Cartridge for Camping Stoves Heaters & Lanterns | High Performance Propane-Butane Mix with Resealable Valve Cartridges | EN417 Gas Cartridge**Taylor & Brown**£14.43**83 rev2y ago](https://www.amazon.co.uk/dp/B0CLM827W1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Primus Camping Gas Canister - Power Gas 1-Pack 450g - Standard Threaded Gas Canisters for Camping Stove - Mix of Isobutane & Propane Gas - EN417 Gas Cartridge for Camping Stove**Primus**£12.03**4.6★**▲ 45%**](https://www.amazon.co.uk/dp/B0CVS96CWN) [**Green Haven Butane Gas Canisters 4 Pack EN417 Non-threaded Camping Cylinders for BBQs & Stoves Reliable Propane Refill Long-Lasting & Safe for Outdoor Cooking Camping Festivals or Picnics**Green Haven**£9.14**4.6★**▲ 32%**](https://www.amazon.co.uk/dp/B09RB9TL9T) [**Green Haven C500 Camping Gas Canisters 6 Pack | EN417 Screw-On Gas Cartridges | Resealable Valve | Compatible with Camping Stoves Heaters Lanterns & Outdoor Cooking Equipment**Green Haven**£24.35**4.6★**▲ 16%**](https://www.amazon.co.uk/dp/B09TLG3W5H) [**Coleman C300 Performance Gas Cartridge | Butane & Propane Blend for Camping Stoves | 361 g**Coleman**£6.70**4.6★**▲ 12%**](https://www.amazon.co.uk/dp/B0BYPBS5YP) [**Green Haven C500 Camping Gas Canisters 2 Pack | EN417 Screw-On Gas Cartridges | Resealable Valve | Compatible with Camping Stoves Heaters Lanterns & Outdoor Cooking Equipment**Green Haven**£11.78**4.6★**— 4%**](https://www.amazon.co.uk/dp/B0CW1QN44N)
**~~View all trending →~~**
## **What buyers say about c500 gas cartridge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**36%
*“Good for price”*
**Advertised Vs Actual Product**22%
*“Does the job as you would expect”*
**Quality-Overall**13%
*“Received exactly what I expected, and the next day, no complaints”*
**Size-Overall**8%
*“Good Fit”*
**Durability**4%
*“seems very durable”*
**Ease Of Use**3%
*“Easy to use”*
**Leak-Proof**2%
*“Good seal when connecting your appliance”*
**Storage Capacity**1%
*“High capacity cans”*
**Portability**1%
*“Perfect amount to carry as spare”*
**Weight Light**1%
*“not to heavy”*
### **What buyers complain about **
**Smell**12%
*“Smells like gas”*
**Value For Money**12%
*“cheaper in halfords”*
**Advertised Vs Actual Product**12%
*“Not as advertised”*
**Size-Overall**9%
*“Would not tighten up properly so couldn't release gas”*
**Leak-Proof**8%
*“The only thing I dont like is when youre screwing on or off there seems to be quite a lot of gas let out”*
**Durability**6%
*“Did not last very long”*
**Quality-Overall**6%
*“Inconsistent Quality”*
**Ease Of Use**6%
*“Not a good company to use”*
**Flammable**6%
*“burns every drop”*
**Rusts/Corrodes**4%
*“Rust around the edges”*
### **Top return reasons **
**Size-Overall**75%
**Add-Ons/Attachments**25%
## **Common questions**
- **Is c500 gas cartridge profitable to sell on Amazon United Kingdom?**
- The niche generates £130K/yr across 11 tracked products. 90-day search growth is +117.4%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the c500 gas cartridge niche?**
- 4 brands and 36 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in c500 gas cartridge?**
- Top complaints mined from reviews: Smell, Value For Money, Advertised Vs Actual Product. The return rate is 0.0%.
- **When does demand for c500 gas cartridge peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 5.1× the quietest.
- **What does it cost to enter the c500 gas cartridge niche?**
- Listings span £6.70–£37.06; the average listing price is £16.77 (sweet spot $15–$100). The average incumbent carries 1,516 reviews — the moat a new listing must climb.
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