---
title: "Kilner Jars 1ltr — £45K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/kilner-jars-1ltr"
last_updated: "2026-08-01T04:01:53.011Z"
locale: en
meta:
description: "Niche score 28/100 · £45K/yr market · 36K searches/yr · £8.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · £45K/yr market · 36K searches/yr · £8.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Kilner Jars 1ltr — £45K/yr Amazon UK Niche (2026) - Flapen"
---
# **kilner jars 1ltr**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 11Growth 8Conversion 97Competition 0Returns 98Price range 9Avg price 22Brand share 0Review moat 37Quality gap 21
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,776.4**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£8.06**
avg listing price — sweet spot $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****£45K**
£45K/yr · 36K searches
**Price range**
**Bad****£2.88–£16.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-33.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, kilner jars 1ltr is a £45K/yr Amazon United Kingdom market (36K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 28/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kilner jars 1ltr market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **£64K–£81K**
- units × avg price
- **Conversion rate**
- **15.4%**
- **Avg BSR**
- **#53**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **0%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **▼falling
**Sellers**
**38**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Kilner100%
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -33.0% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 3.5×
[**Open Trend **](https://flapen.com/research/uk/home-garden/kilner-jars-1ltr/trend)
## **Top kilner jars 1ltr search terms**
- **kilner jars 1ltr**32K/yr-34.7%11.7% conv. - **1 litre kilner jar**3K/yr-15.7%28.5% conv. - **1l kilner jar**2K/yr-30.7%15.8% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/kilner-jars-1ltr/search-terms)
## **Top kilner jars 1ltr 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%£7K30%£14K45%£20K60%£27K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kilner Clip Top Jar 1 Litre (1000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta**Kilner**£3.45**4.7★5,001 rev](https://www.amazon.co.uk/dp/B0030FUHR8) [2**Kilner Preserve Jar 1L (1000ml) Round Glass Screw Top Lid Preservation Storage Jar for Pickling Vegetables Whole Fruits Chunky Chutneys**Kilner**£2.88**4.6★2,474 rev](https://www.amazon.co.uk/dp/B007FT5C5W) [3**Kilner Square Clip Top Jar Set of 3 1 Litre (1000ml) Airtight Glass Jars for Storing Coffee Beans Pickling Vegetables Chutneys Pasta Nuts BPA-Free Dishwasher Safe**Kilner**£12.80**4.6★510 rev](https://www.amazon.co.uk/dp/B09QXNXJ2X) [4**Kilner Clip Top Jar 2 Litre (2000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta**Kilner**£5.00**4.7★5,686 rev](https://www.amazon.co.uk/dp/B003Y7MS6U) [5**Kilner Clip Top Round Jar - 1000ml (Pack 4)**Kilner**£16.18**4.7★211 rev](https://www.amazon.co.uk/dp/B084RG9TC8)
### **Newest**
by launch date
[**Kilner Square Clip Top Jar Set of 3 1 Litre (1000ml) Airtight Glass Jars for Storing Coffee Beans Pickling Vegetables Chutneys Pasta Nuts BPA-Free Dishwasher Safe**Kilner**£12.80**510 rev4y ago](https://www.amazon.co.uk/dp/B09QXNXJ2X) [**Kilner Clip Top Round Jar - 1000ml (Pack 4)**Kilner**£16.18**211 rev6y ago](https://www.amazon.co.uk/dp/B084RG9TC8) [**Kilner Preserve Jar 1L (1000ml) Round Glass Screw Top Lid Preservation Storage Jar for Pickling Vegetables Whole Fruits Chunky Chutneys**Kilner**£2.88**2,474 rev15y ago](https://www.amazon.co.uk/dp/B007FT5C5W) [**Kilner Clip Top Jar 1 Litre (1000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta**Kilner**£3.45**5,001 rev20y ago](https://www.amazon.co.uk/dp/B0030FUHR8) [**Kilner Clip Top Jar 2 Litre (2000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta**Kilner**£5.00**5,686 rev20y ago](https://www.amazon.co.uk/dp/B003Y7MS6U)
### **Trending**
90-day click momentum
[**Kilner Clip Top Jar 2 Litre (2000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta**Kilner**£5.00**4.7★**▲ 287%**](https://www.amazon.co.uk/dp/B003Y7MS6U) [**Kilner Clip Top Jar 1 Litre (1000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta**Kilner**£3.45**4.7★**▲ 20%**](https://www.amazon.co.uk/dp/B0030FUHR8) [**Kilner Preserve Jar 1L (1000ml) Round Glass Screw Top Lid Preservation Storage Jar for Pickling Vegetables Whole Fruits Chunky Chutneys**Kilner**£2.88**4.6★**— 1%**](https://www.amazon.co.uk/dp/B007FT5C5W) [**Kilner Square Clip Top Jar Set of 3 1 Litre (1000ml) Airtight Glass Jars for Storing Coffee Beans Pickling Vegetables Chutneys Pasta Nuts BPA-Free Dishwasher Safe**Kilner**£12.80**4.6★**▼ 51%**](https://www.amazon.co.uk/dp/B09QXNXJ2X) [**Kilner Clip Top Round Jar - 1000ml (Pack 4)**Kilner**£16.18**4.7★**▼ 64%**](https://www.amazon.co.uk/dp/B084RG9TC8)
## **What buyers say about kilner jars 1ltr**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**27%
*“Great producT”*
**Value For Money**15%
*“Great value”*
**Size-Overall**14%
*“they fit perfectly for me”*
**Storage Capacity**14%
*“great storage capacity”*
**Advertised Vs Actual Product**7%
*“Does the job”*
**Ease Of Use**5%
*“easy to use”*
**Strength**4%
*“It's sturdy as well”*
**Leak-Proof**4%
*“Seals well”*
**Design-Overall**2%
*“gorgeous design”*
**Material Quality**2%
*“Much better than plastic containers”*
### **What buyers complain about **
**Size-Overall**21%
*“Not fit for purpose”*
**Quality-Overall**19%
*“Not good quality, cheap imatation”*
**Durability**11%
*“Breaks Easily”*
**Rusts/Corrodes**10%
*“it started rusting”*
**Smell**8%
*“Do not keep smells in the jar the best”*
**Design-Overall**6%
*“I dont like the lid be nice if it was a different design”*
**Advertised Vs Actual Product**3%
*“Misleading”*
**Ease Of Use**3%
*“its not practicle to use”*
**Defective Material/Parts**3%
*“Defective”*
**Leak-Proof**2%
*“not leak proof”*
### **Top return reasons **
**Size-Overall**74%
**Defective Material/Parts**7%
**Shape/Style**3%
**Value For Money**3%
**Compatibility-Overall**2%
**Ease Of Use**2%
**Maintenance And Repair**1%
**Functionality-Overall**1%
**Color**1%
**Leak-Proof**1%
## **Common questions**
- **Is kilner jars 1ltr profitable to sell on Amazon United Kingdom?**
- The niche generates £45K/yr across 5 tracked products. 90-day search growth is -33.0%. Flapen's verdict: Skip it (28/100).
- **How competitive is the kilner jars 1ltr niche?**
- 1 brands and 38 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in kilner jars 1ltr?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 0.5%.
- **When does demand for kilner jars 1ltr peak?**
- Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 3.5× the quietest.
- **What does it cost to enter the kilner jars 1ltr niche?**
- Listings span £2.88–£16.18; the average listing price is £8.06 (sweet spot $15–$100). The average incumbent carries 2,776 reviews — the moat a new listing must climb.
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