polytunnel
Worth a lookShows low returns (0.5%), but weak search conversion (0.5%) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Great£62.32avg listing price — sweet spot $15–$100
Competition
Great34%top-5 click share — an open shelf
Review moat
Good573.24avg incumbent reviews — the moat a new listing must climb
Price range
Good£4.36–£149.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good74%top-5 brand share — brands hold most of the demand
Market size
Okay£113K£113K/yr · 362K searches
Growth
Bad-12.0%90-day search growth — must beat 0% to launch
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, polytunnel is a £113K/yr Amazon United Kingdom market (362K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 55/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
polytunnel market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- £187K–£249K
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #135
- Page quality
- 0%
- Prime
- 48%
- Sponsored
- 78%
- Out of stock
- 2.9%
- Avg brand age
- 43 months
- Avg seller age
- 188 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
15 falling
Sellers
27
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
34%
Top 20: 69%
Open market
20%
- Outsunny33%
- VOUNOT13%
- VonHaus12%
- CHRISTOW9%
- Panana7%
- Navoys6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.0% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 3.3×
Top polytunnel search terms
- polytunnel159K/yr
- polytunnel greenhouse39K/yr
- poly tunnels for gardens30K/yr
- poly tunnel32K/yr
- poly tunnels for allotments21K/yr
- polly tunnel13K/yr
- small polytunnel14K/yr
- mini polytunnel11K/yr
- garden polytunnel9K/yr
- polytunnel frame only6K/yr
Top polytunnel 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
VonHaus Polytunnel Greenhouse 2 x 3m Walk in Poly Tunnel Tent 6m Heavy Duty Weatherproof Green House for Garden and Outdoor with Roll-up Mesh Windows Galvanised Steel Frame and Hinged Door
VonHaus£79.353.9★134 rev

VOUNOT Polytunnel Greenhouse 3x2x2m 6m Poly Tunnels Gardening Walk In Pollytunnel Tent with Steel Frame
VOUNOT£49.943.7★5,324 rev

Christow Small Garden Grow Tunnel 3 Section 195cm Long
CHRISTOW£22.654.5★1,018 rev

Navoys 1.5m x 45cm x 42cm Grow Tunnel - Rust Proof Small Poly Tunnel for Garden Cloches for Growing Vegetables Protect Plants from Bad Weather Grow Tent Poly Tunnel Cloche
Navoys£4.362.9★186 rev

VOUNOT Polytunnel Greenhouse 4x3x2m 12m Poly Tunnels Gardening Walk In Pollytunnel Tent with Steel Frame
VOUNOT£72.023.7★5,324 rev
Newest
by launch date
BIRCHTREE polytunnel greenhouse made of stainless steel polytunnel 2.5m x 2m x 2m
BIRCHTREE£48.84207 rev

BIRCHTREE plenty-galvanized polytunnel greenhouse with stainless steel frame 6 sections 6m x 3m x 2m
BIRCHTREE£111.71207 rev

Large Walk-in Polytunnel Greenhouse with Reinforced Steel Frame Roll Up Door Mesh Windows UV-Resistant 140GPE Fabric Green (2x2x2m)
Panana£43.1721 rev

Outsunny Walk-in Polytunnel Greenhouse Outdoor Garden Tunnel Greenhouse Tent with Zipped Roll-Up Door and 8 Mesh Windows 6 x 3M
Outsunny£111.40432 rev

Navoys 2pk 1.5m x 45cm x 42cm Grow Tunnel - Rust Proof Small Poly Tunnel for Garden Cloches for Growing Vegetables Protect Plants from Bad Weather Grow Tent Poly Tunnel Cloche (2 Grow Tunnels)
Navoys£7.08186 rev
Trending
90-day click momentum
BIRCHTREE plenty-galvanized polytunnel greenhouse with stainless steel frame 6 sections 6m x 3m x 2m
BIRCHTREE£111.714.3★

Outsunny Walk-in Polytunnel Greenhouse Outdoor Garden Tunnel Greenhouse Tent with Zipped Roll-Up Door and 8 Mesh Windows 6 x 3M
Outsunny£111.403.6★

Large Walk-in Polytunnel Greenhouse with Reinforced Steel Frame Roll Up Door Mesh Windows UV-Resistant 140GPE Fabric Green (2x2x2m)
Panana£43.174.6★

VOUNOT Polytunnel Greenhouse 3x2x2m 6m Poly Tunnels Gardening Walk In Pollytunnel Tent with Steel Frame
VOUNOT£49.943.7★

BIRCHTREE polytunnel greenhouse made of stainless steel polytunnel 2.5m x 2m x 2m
BIRCHTREE£48.844.3★
What buyers say about polytunnel
What buyers praise and complain about, mined from review topics.What buyers love
“Good for the money”
“Excellent product”
“Easy to install”
“Very sturdy”
“Good size”
“Plants have started to grow well”
“easy to use”
“As described”
“Material of cover is good”
“The cover initially looked strong and durable,”
What buyers complain about
“Awful quality”
“broke into pieces”
“Not strong”
“Size small”
“Wrong instruction sent with item”
“too expensive”
“Plastic cover is very low quality”
“Useless - assembled as per the instructions”
“It's leaking every where”
“Super cheap metal”
Top return reasons
Common questions
- Is polytunnel profitable to sell on Amazon United Kingdom?
- The niche generates £113K/yr across 54 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -12.0%. Flapen's verdict: Worth a look (55/100).
- How competitive is the polytunnel niche?
- 15 brands and 27 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in polytunnel?
- Top complaints mined from reviews: Quality-Overall, Durability, Strength. The return rate is 0.5%.
- When does demand for polytunnel peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 3.3× the quietest.
- What does it cost to enter the polytunnel niche?
- Listings span £4.36–£149.55; the average listing price is £62.32 (sweet spot $15–$100). The average incumbent carries 573 reviews — the moat a new listing must climb.