---
title: "Weck Jars — £69K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/weck-jars"
last_updated: "2026-07-31T22:25:31.871Z"
locale: en
meta:
description: "Niche score 38/100 · £69K/yr market · 113K searches/yr · £17.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £69K/yr market · 113K searches/yr · £17.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Weck Jars — £69K/yr Amazon UK Niche (2026) - Flapen"
---
# **weck jars**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 17Growth 14Conversion 43Competition 27Returns 90Price range 69Avg price 82Brand share 0Review moat 96Quality gap 33
**Review moat**
**Incredible****78.21**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£17.79**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£8.27–£30.25**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£69K**
£69K/yr · 113K searches
**Growth**
**Bad****-22.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, weck jars is a £69K/yr Amazon United Kingdom market (113K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 38/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **weck jars market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **£53K–£71K**
- units × avg price
- **Conversion rate**
- **3.5%**
- **Avg BSR**
- **#481**
- **Page quality**
- **0%**
- **Prime**
- **64%**
- **Sponsored**
- **0%**
- **Out of stock**
- **7.3%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **179 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**5 **▲rising
**Sellers**
**7**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**0%**
- EcoBaker77% - Weck10% - Amazing child Montessori6% - Generic4% - Amazing Child Montessori4%
## **Demand & seasonality**
Weekly Amazon search volume, last 72 weeks — -22.9% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Feb · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/home-garden/weck-jars/trend)
## **Top weck jars search terms**
- **weck jars**52K/yr-17.5%2.9% conv. - **weck jars with lids**24K/yr-24.8%3.0% conv. - **weck jar**15K/yr-40.1%3.8% conv. - **weck**9K/yr-14.4%1.5% conv. - **ecobaker**7K/yr-1.9%1.2% conv. - **weck sourdough starter jar**4K/yr-45.8%5.4% conv. - **weck jars uk**2K/yr-26.3%2.5% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/weck-jars/search-terms)
## **Top weck jars 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%£28K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EcoBaker X2 WECK 742 580ml Wide Mouthed Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam.**EcoBaker**£13.34**4.5★109 rev](https://www.amazon.co.uk/dp/B08HY5QYYX) [2**X2 WECK 743 850ml Wide Mouthed Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£17.89**4.6★123 rev](https://www.amazon.co.uk/dp/B08HY66G44) [3**WECK 743 X1 850ml Wide Mouthed Storage Jar Including Glass Lid Seal & Clamps For Sourdough Preserving Canning Yoghurt Kimchi**EcoBaker**£11.01**4.5★116 rev](https://www.amazon.co.uk/dp/B08HY6MN18) [4**EcoBaker X2 WECK 744 580ml Tulip Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£14.27**4.7★70 rev](https://www.amazon.co.uk/dp/B08HY6NHZS) [5**Amazing child Montessori SET OF SIX 850ml Large Weck Jars. German Made Classic Design. Model 743.**Weck**£27.70**4.7★262 rev](https://www.amazon.co.uk/dp/B01ARRPGBI)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**X4-370 ml Wide Mouthed Storage Glass Jar with rubber seal&clips- Airtight food storage**Generic**£14.63**6 rev1y ago](https://www.amazon.co.uk/dp/B0F8W481TZ) [**EcoBaker X2 WECK 742 580ml Wide Mouthed Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam.**EcoBaker**£13.34**109 rev5y ago](https://www.amazon.co.uk/dp/B08HY5QYYX) [**X2 WECK 743 850ml Wide Mouthed Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£17.89**123 rev5y ago](https://www.amazon.co.uk/dp/B08HY66G44) [**WECK 743 X1 850ml Wide Mouthed Storage Jar Including Glass Lid Seal & Clamps For Sourdough Preserving Canning Yoghurt Kimchi**EcoBaker**£11.01**116 rev5y ago](https://www.amazon.co.uk/dp/B08HY6MN18) [**EcoBaker X2 WECK 744 580ml Tulip Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£14.27**70 rev5y ago](https://www.amazon.co.uk/dp/B08HY6NHZS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**X4-370 ml Wide Mouthed Storage Glass Jar with rubber seal&clips- Airtight food storage**Generic**£14.63**4.2★**▲ 51%**](https://www.amazon.co.uk/dp/B0F8W481TZ) [**EcoBaker WECK 745 1062ml Tulip Storage Jar Including Glass Lid Seal & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£12.71**4.9★**▲ 46%**](https://www.amazon.co.uk/dp/B08KYN6SDV) [**SET OF SIX 1062ml Large Tulip Weck Jars. German Made Classic Design. Model 745.**Amazing child Montessori**£30.25**4.6★**▲ 46%**](https://www.amazon.co.uk/dp/B01ARRPHQM) [**WECK 782 1000ml Wide Mouthed Storage Jar Including Glass Lid Seal & Clamps for Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£12.50**4.6★**▲ 36%**](https://www.amazon.co.uk/dp/B08HY79C91) [**EcoBaker X2 WECK 744 580ml Tulip Storage Jars Including Glass Lids Seals & Clamps For Sourdough Preserving Canning Yoghurt Kimchi Jam**EcoBaker**£14.27**4.7★**▲ 22%**](https://www.amazon.co.uk/dp/B08HY6NHZS)
**~~View all trending →~~**
## **What buyers say about weck jars**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**39%
*“Good Quality”*
**Size-Overall**18%
*“Absolutely perfect”*
**Value For Money**10%
*“Great price”*
**Storage Capacity**10%
*“These jars are excellent as storage jars”*
**Ease Of Cleaning**8%
*“Easy to clean”*
**Shape/Style**5%
*“I love the shape of these jars”*
**Strength**3%
*“Sturdy, great looking jars”*
**Weight Light**3%
*“Not very heavy either for being thick glass”*
**Advertised Vs Actual Product**2%
*“Exactly what I was hoping it would be”*
**Ease Of Use**2%
*“In use straight away”*
### **What buyers complain about **
**Quality-Overall**33%
*“Lower Quality Than Expected from Weck”*
**Value For Money**25%
*“leaving me with just one expensive jar”*
**Strength**17%
*“Too fragile for the delivery”*
**Defective Material/Parts**17%
*“Item arrived with parts missing so not going to be able to use both at same time for purpose I need”*
### **Top return reasons **
**Size-Overall**60%
**Compatibility-Overall**4%
**Add-Ons/Attachments**4%
**Durability**4%
**Shape/Style**4%
**Material Quality**2%
**Sharpness**2%
**Functionality-Overall**2%
**Ease Of Use**2%
**Moist/Dry**2%
## **Common questions**
- **Is weck jars profitable to sell on Amazon United Kingdom?**
- The niche generates £69K/yr across 14 tracked products. 90-day search growth is -22.9%. Flapen's verdict: Skip it (38/100).
- **How competitive is the weck jars niche?**
- 5 brands and 7 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in weck jars?**
- Top complaints mined from reviews: Quality-Overall, Value For Money, Strength. The return rate is 1.3%.
- **When does demand for weck jars peak?**
- Demand peaks in Jan–Feb; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the weck jars niche?**
- Listings span £8.27–£30.25; the average listing price is £17.79 (sweet spot $15–$100). The average incumbent carries 78 reviews — the moat a new listing must climb.
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