epson 603 ink cartridges
Worth a lookShows searches that convert (18.7% search→purchase), but soft demand (-15.1% this quarter) keeps it on the watch list.
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Price range
Great£6.79–£58.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great£17.47avg listing price — sweet spot $15–$100
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay£186K£186K/yr · 57K searches
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Review moat
Okay3,952.32avg incumbent reviews — the moat a new listing must climb
Growth
Bad-15.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, epson 603 ink cartridges is a £186K/yr Amazon United Kingdom market (57K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jan–Sep–Oct–Nov. Verdict: Worth a look — 54/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
epson 603 ink cartridges market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- £140K–£175K
- units × avg price
- Conversion rate
- 18.7%
- Avg BSR
- #741
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 64%
- Out of stock
- 10.9%
- Avg brand age
- 39 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
13 flat
Sellers
130
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
49%
Top 20: 91%
Open market
9%
- Epson55%
- Greenjob12%
- CATJOY11%
- Torvon6%
- Cartridgeify4%
- Gureef3%
- Open — no brand owns it (7 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.1% search growth over the last 90 days.Peak months: Jan, Sep, Oct, Nov · busiest ÷ quietest = 2.6×
Top epson 603 ink cartridges search terms
- epson 603 ink cartridges12K/yr
- 603xl ink cartridges13K/yr
- epson 6034K/yr
- epson 603xl ink cartridges multipack5K/yr
- epson 603xl5K/yr
- epson starfish ink cartridges4K/yr
- epson workforce wf-2830 ink cartridges4K/yr
- 603xl4K/yr
- epson 3100 ink cartridges3K/yr
- 603xl ink cartridges multipack3K/yr
Top epson 603 ink 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Epson 603 Starfish Genuine 4-Colours Multipack Ink Cartridges
Epson£22.264.4★19,318 rev

CATJOY Compatible 603 XL Ink Cartridges Multipack for Epson Expression Home XP-3100 XP-4100 XP-2100 XP-2105 XP-3105 Workforce WF-2810 WF-2830 WF-2835 (Black Cyan Magenta Yellow4-Pack)
CATJOY£7.984.3★1,402 rev

Greenjob Compatible 603XL Ink Cartridges Multipack Replacement for Epson 603 XL Compatible with Expression Home XP-3100 XP-4100 XP-2100 XP-2105 XP-3105 Workforce WF-2810 WF-2830 WF-2835 (12-Pack)
Greenjob£13.964.4★1,773 rev

Epson 603XL Starfish High Yield Genuine Multipack 4-Colours Ink Cartridges
Epson£58.884.4★19,318 rev

Epson 603 Starfish Genuine Multipack Eco-Friendly Packaging 4-Colours Ink Cartridges
Epson£23.314.4★1,924 rev
Newest
by launch date
SANUNE Compatible 603XL Ink Cartridges Multipack Replacement for Epson 603 603XL Ink Cartridge for Expression Home XP-2100 XP-2105 XP-3100 XP-3105 XP-4100 Workforce WF-2810 WF-2830 WF-2835 (10-Pack)
SANUNE£11.6818 rev

Torvon Ink Cartridges Multipack Replacement for Epson 603 XL 603XL Ink Cartridges Compatible with Expression Home XP-3100 XP-4100 XP-2100 XP-2105 XP-3105 WF-2810 WF-2830 WF-2835 WF-2850(12-Pack)
Torvon£11.406 rev

Torvon Ink Cartridges Multipack Replacement for Epson 603 603XL Ink Cartridges Compatible with Expression Home XP-3100 XP-2100 XP-4100 XP-2105 XP-3105 WF-2810 WF-2830 WF-2835 WF-2850(15-Pack)
Torvon£12.2194 rev

Greenjob Compatible 603XL Ink Cartridges Multipack Replacement for Epson 603 XL Compatible with Expression Home XP-3100 XP-4100 XP-2100 XP-2105 XP-3105 Workforce WF-2810 WF-2830 WF-2835 (12-Pack)
Greenjob£13.961,773 rev

Greenjob Compatible 603XL Ink Cartridges Multipack Replacement for Epson 603 XL Compatible with Expression Home XP-3100 XP-4100 XP-2100 XP-2105 XP-3105 Workforce WF-2810 (2 Cyan 2 Magenta 2 Yellow)
Greenjob£9.211,172 rev
Trending
90-day click momentum
SANUNE Compatible 603XL Ink Cartridges Multipack Replacement for Epson 603 603XL Ink Cartridge for Expression Home XP-2100 XP-2105 XP-3100 XP-3105 XP-4100 Workforce WF-2810 WF-2830 WF-2835 (10-Pack)
SANUNE£11.684.9★

Epson 603 Cyan Starfish Genuine Ink Cartridge Standard Capacity Pack of 1
Epson£6.974.5★

Torvon Ink Cartridges Multipack Replacement for Epson 603 XL 603XL Ink Cartridges Compatible with Expression Home XP-3100 XP-4100 XP-2100 XP-2105 XP-3105 WF-2810 WF-2830 WF-2835 WF-2850(12-Pack)
Torvon£11.405.0★

Epson 603 Starfish Genuine Multipack Eco-Friendly Packaging 4-Colours Ink Cartridges
Epson£23.314.4★

Epson 603 Starfish Genuine Multipack Eco-Friendly Packaging 3-Colours Ink Cartridges
Epson£17.724.4★
What buyers say about epson 603 ink cartridges
What buyers praise and complain about, mined from review topics.What buyers love
“Value for money”
“I found this item was consistent in quality”
“no problem with compatibility”
“Print quality very very good”
“Does the job”
“Good ink”
“Colour good too”
“install fine just like all other inks”
“I am happily using the inks”
“Amazing product holds much more ink”
What buyers complain about
“First new block not working”
“They only had the smallest amount of ink in them”
“Avoid at all costs”
“Inked out”
“Not compatible”
“two of the cartridges are almost empty”
“Don't last 5 min”
“only the Black works”
“Low Quality”
“I believe they company selling them is purposefully misleading customers by doing this so buyers beware”
Top return reasons
Common questions
- Is epson 603 ink cartridges profitable to sell on Amazon United Kingdom?
- The niche generates £186K/yr across 28 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.1%. Flapen's verdict: Worth a look (54/100).
- How competitive is the epson 603 ink cartridges niche?
- 13 brands and 130 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in epson 603 ink cartridges?
- Top complaints mined from reviews: Functionality-Overall, Cartridge Capacity, Value For Money. The return rate is 0.6%.
- When does demand for epson 603 ink cartridges peak?
- Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 2.6× the quietest.
- What does it cost to enter the epson 603 ink cartridges niche?
- Listings span £6.79–£58.88; the average listing price is £17.47 (sweet spot $15–$100). The average incumbent carries 3,952 reviews — the moat a new listing must climb.