---
title: "Terrarium — £173K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/terrarium"
last_updated: "2026-07-31T12:10:38.135Z"
locale: en
meta:
description: "Niche score 50/100 · £173K/yr market · 628K searches/yr · £26.41 avg price. Weak search conversion (1.0%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £173K/yr market · 628K searches/yr · £26.41 avg price. Weak search conversion (1.0%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Terrarium — £173K/yr Amazon UK Niche (2026) - Flapen"
---
# **terrarium**
**Worth a look**
Shows a sweet-spot price point ($26.41 avg), but weak search conversion (1.0%) keeps it on the watch list.
Market size 35Growth 16Conversion 13Competition 59Returns 87Price range 85Avg price 95Brand share 60Review moat 82Quality gap 47
**Avg price**
**Incredible****£26.41**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Price range**
**Great****£7.99–£66.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****350.12**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£173K**
£173K/yr · 628K searches
**Growth**
**Bad****-18.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, terrarium is a £173K/yr Amazon United Kingdom market (628K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 50/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **terrarium market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£158K–£211K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#475**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **85%**
- **Out of stock**
- **7.5%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**36**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 85%
**Open market**
**26%**
- PYEF CRAFTS37% - Tropical Glass11% - Root box8% - Generic8% - NCYP5% - The Art of Succulents5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.8% search growth over the last 90 days.
35K25KHoliday '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/uk/home-garden/terrarium/trend)
## **Top terrarium search terms**
- **terrarium**288K/yr-18.0%0.4% conv. - **terrarium kit**136K/yr-31.3%1.6% conv. - **terrarium jar**46K/yr-22.9%0.5% conv. - **terrariums**26K/yr+12.8%0.2% conv. - **glass terrarium**20K/yr+5.9%0.2% conv. - **terrarium kit with plants**25K/yr-21.3%1.1% conv. - **large terrarium**9K/yr+1.3%0.0% conv. - **plant terrarium**12K/yr-25.2%0.4% conv. - **glass plant terrarium**9K/yr-11.7%0.2% conv. - **glass terrarium for plants**6K/yr-10.6%0.5% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/terrarium/search-terms)
## **Top terrarium 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%4%£7K8%£14K12%£21K16%£28K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**DIY Terrarium Kit for Plants - Starter Set for Garden in Bottle - Self Sustaining Ecosystem - Plant Terrarium Kit with Jar Moss Soil Activated Charcoal Stones and Tools (Without Plants)**PYEF CRAFTS**£20.47**4.4★950 rev](https://www.amazon.co.uk/dp/B0C11H9HV5) [2**PYEF CRAFTS DIY Terrarium Kit for Plants Starter Set for Garden in Bottle SelfSustaining Ecosystem Supplies for Succulents Air Plants Fern Set without Jar (M) Without Plants**PYEF CRAFTS**£7.99**4.3★610 rev](https://www.amazon.co.uk/dp/B0BZZZW3WQ) [3**Root box *CLEARANCE Terrarium Plant Kit in scented giftbox | Succulents Bonsai Fittonia Cactus | Unique DIY GIFT for Summer XMAS Birthdays**Root box**£9.79**4.3★1,119 rev](https://www.amazon.co.uk/dp/B0847SNW6V) [4**DIY Closed Terrarium Kit with 4 Live Plants & Bun Moss (H: 25cm) Large Glass Jar Indoor Garden Set with Cork Lid Self-Sustaining Ecosystem with Soil Layers & Guide Creative Gift for Home & Office**Tropical Glass**£58.11**4.5★11 rev](https://www.amazon.co.uk/dp/B0DH8FYGQB) [5**PYEF CRAFTS DIY Terrarium Kit for Succulent Plants & Cactus - Starter Set with Glass Bowl Included - Make your Own Terrarium Kit with Jar Sand Soil Charcoal Stones and Tools (Without Plants)**PYEF CRAFTS**£18.48**3.3★133 rev](https://www.amazon.co.uk/dp/B0F67FCWNK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SUPVOX Glass Plant Terrarium Jar Thickened Borosilicate Succulent Planter Container Round Fish Bowl Vase and Hydroponic Display Canister with Vented Cork Lid for Moss Micro Landscape and Home Decor**SUPVOX**£13.72**3 rev3mo ago](https://www.amazon.co.uk/dp/B0GY9K8LXX) [**Glass Plant Terrarium Container Wardian Case Indoor Small Succulent Planter with Door for Tabletop Decor DIY (4.3L x 4.3W x 4.9H)**LIMOR**£17.28**16 rev6mo ago](https://www.amazon.co.uk/dp/B0FW3X92VK) [**GTSEEMUU Jumping Spider Enclosure Insect Terrarium Bug Cage 12 x 11 x 20 cm Acrylic Terrarium for Tarantula Snail Praying Mantis Frog and Small Reptiles**GTSEEMUU**£8.81**314 rev1y ago](https://www.amazon.co.uk/dp/B0FD37SCJ7) [**PYEF CRAFTS DIY Terrarium Kit for Succulent Plants & Cactus - Starter Set with Glass Bowl Included - Make your Own Terrarium Kit with Jar Sand Soil Charcoal Stones and Tools (Without Plants)**PYEF CRAFTS**£18.48**133 rev1y ago](https://www.amazon.co.uk/dp/B0F67FCWNK) [**Jinymral Snail Terrarium Kit with Climbing Wall 11.22 x 7.87 x 6 Clear Small Animal House for Snails Caterpillars & Small Critters Includes 7 Climbing Accessories & Substrate**Jinymral**£20.09**57 rev1y ago](https://www.amazon.co.uk/dp/B0DNFC52KL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SUPVOX Glass Plant Terrarium Jar Thickened Borosilicate Succulent Planter Container Round Fish Bowl Vase and Hydroponic Display Canister with Vented Cork Lid for Moss Micro Landscape and Home Decor**SUPVOX**£13.72**4.6★**▲ 476%**](https://www.amazon.co.uk/dp/B0GY9K8LXX) [**Jinymral Snail Terrarium Kit with Climbing Wall 11.22 x 7.87 x 6 Clear Small Animal House for Snails Caterpillars & Small Critters Includes 7 Climbing Accessories & Substrate**Jinymral**£20.09**4.3★**▲ 417%**](https://www.amazon.co.uk/dp/B0DNFC52KL) [**Reptile Growth Mini Reptile Terrarium 12 x 7x 9 vivarium with Top Sliding Door Screen Ventilation for Small Fish Insect Snail Gecko Tarantula Bearded Dragon Jumping Spider Stick Insect.**Reptile Growth**£20.54**4.6★**▲ 302%**](https://www.amazon.co.uk/dp/B09JWBQQG8) [**GTSEEMUU Jumping Spider Enclosure Insect Terrarium Bug Cage 12 x 11 x 20 cm Acrylic Terrarium for Tarantula Snail Praying Mantis Frog and Small Reptiles**GTSEEMUU**£8.81**4.0★**▲ 206%**](https://www.amazon.co.uk/dp/B0FD37SCJ7) [**DIY Large Open and Closed Terrarium Kit (Champagne Pebbles)**Generic**£25.07**4.8★**▲ 127%**](https://www.amazon.co.uk/dp/B0CSKQC93L)
**~~View all trending →~~**
## **What buyers say about terrarium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Good quality”*
**Value For Money**17%
*“Good value for money”*
**Gifting Purpose**10%
*“Lovely gift for Fathers Day”*
**Instructions/User Manual/Troubleshooting**7%
*“Great value and really clear instructions”*
**Size-Overall**6%
*“Good size”*
**Assembly/Installation**6%
*“Easy to set up”*
**Advertised Vs Actual Product**6%
*“Just what I needed”*
**Strength**4%
*“sturdy”*
**Correct Contents**3%
*“A complete kit”*
**Design-Overall**2%
*“Well built and secure”*
### **What buyers complain about **
**Size-Overall**27%
*“Not fit for purpose”*
**Advertised Vs Actual Product**15%
*“Picture deceiving”*
**Value For Money**11%
*“Not very good for the price”*
**Durability**4%
*“Not durable”*
**Water Resistance**3%
*“Due to these not being waterproof”*
**Color**3%
*“Ignore the negative reviews about the colour of the acrylic”*
**Breathability**2%
*“Not enough ventilation”*
**Escape Proof**2%
*“Not suitable for a small jumping spider as there are gaps mine escaped”*
**Functionality-Overall**2%
*“Not enough White pebble to make as effect”*
**Quality-Overall**2%
*“I would still have been really disappointed because it's very cheap looking”*
### **Top return reasons **
**Size-Overall**61%
**Defective Material/Parts**9%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**3%
**Leak-Proof**2%
**Durability**2%
**Escape Proof**2%
**Gifting Purpose**2%
**Product Condition**1%
**Ease Of Use**1%
## **Common questions**
- **Is terrarium profitable to sell on Amazon United Kingdom?**
- The niche generates £173K/yr across 34 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.8%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the terrarium niche?**
- 18 brands and 36 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in terrarium?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Value For Money. The return rate is 1.4%.
- **When does demand for terrarium peak?**
- Demand peaks in Nov–Dec; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the terrarium niche?**
- Listings span £7.99–£66.27; the average listing price is £26.41 (sweet spot $15–$100). The average incumbent carries 350 reviews — the moat a new listing must climb.
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