---
title: "Tuna in Spring Water — £256K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/tuna-in-spring-water"
last_updated: "2026-07-31T23:34:51.555Z"
locale: en
meta:
description: "Niche score 42/100 · £256K/yr market · 138K searches/yr · £6.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £256K/yr market · 138K searches/yr · £6.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Tuna in Spring Water — £256K/yr Amazon UK Niche (2026) - Flapen"
---
# **tuna in spring water**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 47Growth 37Conversion 100Competition 4Returns 100Price range 23Avg price 17Brand share 0Review moat 78Quality gap 23
**Conversion**
**Incredible****30.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****437.29**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£256K**
£256K/yr · 138K searches
**Growth**
**Okay****+10.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Price range**
**Bad****£3.22–£18.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****£6.01**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****95%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**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, tuna in spring water is a £256K/yr Amazon United Kingdom market (138K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **tuna in spring water market data**
- **Units sold / yr**
- **50K–60K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **£301K–£361K**
- units × avg price
- **Conversion rate**
- **30.9%**
- **Avg BSR**
- **#175**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **43%**
- **Out of stock**
- **1.0%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**61**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**95%**
Top 20: 100%
**Open market**
**0%**
- John West48% - Princes45% - by Amazon5% - AHG Investment3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.0% search growth over the last 90 days.
4K3KBlack Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/grocery/tuna-in-spring-water/trend)
## **Top tuna in spring water search terms**
- **tuna in spring water**132K/yr+10.8%6.1% conv. - **tinned tuna in spring water**4K/yr-12.3%0.6% conv. - **tuma**2K/yr+12.1%1.0% conv. [**All search terms **](https://flapen.com/research/uk/grocery/tuna-in-spring-water/search-terms)
## **Top tuna in spring water 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%£38K30%£77K45%£115K60%£154K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Princes Tuna Chunks in Spring Water 145 g (Pack of 4)**Princes**£4.16**4.6★1,303 rev](https://www.amazon.co.uk/dp/B07H57DNGK) [2**John West Tuna Chunks in Spring Water Easy Open 4 Cans x 125 g**John West**£4.27**4.6★178 rev](https://www.amazon.co.uk/dp/B0DDL7WZFK) [3**John West No Drain Tuna Chunks in Springwater 3 x 100g**John West**£3.66**4.7★76 rev](https://www.amazon.co.uk/dp/B0DDL57NDN) [4**by Amazon MSC Skipjack Tuna Chunks in Tomato Sauce 4x145g**by Amazon**£3.22**4.7★276 rev](https://www.amazon.co.uk/dp/B0CB4QPQ8Q) [5**John West Tuna Chunks in Brine Tins - Naturally High in Protein - Great for Recipes - 100% Traceable Fish Cans UK Pack - 12 x 145g**AHG Investment**£18.42**4.6★49 rev](https://www.amazon.co.uk/dp/B0CQT1JYB8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**by Amazon MSC Skipjack Tuna Chunks in Tomato Sauce 4x145g**by Amazon**£3.22**276 rev1y ago](https://www.amazon.co.uk/dp/B0CB4QPQ8Q) [**John West Tuna Chunks in Spring Water Easy Open 4 Cans x 125 g**John West**£4.27**178 rev1y ago](https://www.amazon.co.uk/dp/B0DDL7WZFK) [**John West No Drain Tuna Chunks in Springwater 3 x 100g**John West**£3.66**76 rev1y ago](https://www.amazon.co.uk/dp/B0DDL57NDN) [**John West Tuna Chunks in Brine Easy Open 4 Cans x 125 g**John West**£4.26**153 rev1y ago](https://www.amazon.co.uk/dp/B0DDL8G7NB) [**John West Tuna Chunks in Brine Tins - Naturally High in Protein - Great for Recipes - 100% Traceable Fish Cans UK Pack - 12 x 145g**AHG Investment**£18.42**49 rev2y ago](https://www.amazon.co.uk/dp/B0CQT1JYB8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**by Amazon MSC Skipjack Tuna Chunks in Tomato Sauce 4x145g**by Amazon**£3.22**4.7★**▲ 39%**](https://www.amazon.co.uk/dp/B0CB4QPQ8Q) [**John West Tuna Chunks in Spring Water Easy Open 4 Cans x 125 g**John West**£4.27**4.6★**▲ 17%**](https://www.amazon.co.uk/dp/B0DDL7WZFK) [**Princes Tuna Chunks in Spring Water 145 g (Pack of 4)**Princes**£4.16**4.6★**— 4%**](https://www.amazon.co.uk/dp/B07H57DNGK) [**John West No Drain Tuna Chunks in Springwater 3 x 100g**John West**£3.66**4.7★**— 1%**](https://www.amazon.co.uk/dp/B0DDL57NDN) [**John West Tuna Chunks in Brine Easy Open 4 Cans x 125 g**John West**£4.26**4.6★**▼ 13%**](https://www.amazon.co.uk/dp/B0DDL8G7NB)
**~~View all trending →~~**
## **What buyers say about tuna in spring water**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**45%
*“Unique taste and good quality”*
**Value For Money**15%
*“Great value for money”*
**Quality-Overall**12%
*“Great value and good quality tuna”*
**Advertised Vs Actual Product**6%
*“As described”*
**Ease Of Use**4%
*“Easy to open”*
**Flavor**4%
*“I am absolutely in love with the flavour”*
**Chunk/Clump/Collection**4%
*“The flavour goes all through the chunks”*
**Compactness**2%
*“it was compact”*
**Blend/Ratio**1%
*“Great combination”*
**Cooking Instructions**1%
*“Perfect for Salad, Sandwiches, Crackers, Etc”*
### **What buyers complain about **
**Size-Overall**25%
*“Tins are smaller than normal”*
**Value For Money**25%
*“Too expensive”*
**Quality-Overall**13%
*“the quality control has really gone down with this tuna”*
**Chunk/Clump/Collection**13%
*“It was also not chunks at all”*
**Taste-Overall**13%
*“Not much in the way of either tomato or tuna taste at all”*
**Smell**13%
*“Tiddles took one smell”*
## **Common questions**
- **Is tuna in spring water profitable to sell on Amazon United Kingdom?**
- The niche generates £256K/yr across 7 tracked products. 90-day search growth is +10.0%. Flapen's verdict: Skip it (42/100).
- **How competitive is the tuna in spring water niche?**
- 4 brands and 61 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in tuna in spring water?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Quality-Overall. The return rate is 0.0%.
- **When does demand for tuna in spring water peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the tuna in spring water niche?**
- Listings span £3.22–£18.42; the average listing price is £6.01 (sweet spot $15–$100). The average incumbent carries 437 reviews — the moat a new listing must climb.
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