shed windows 18x23
Skip itA small market ($8K/yr) — this niche doesn't clear our bar today.
Review moat
Great209avg incumbent reviews — the moat a new listing must climb
Avg price
Great$85.48avg listing price — sweet spot $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Price range
Good$42.55–$132.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+35.6%90-day search growth — must beat 0% to launch
Brand share
Good71%top-5 brand share — brands hold most of the demand
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Market size
Bad$8K$8K/yr · 7K searches
According to Flapen's Amazon United States niche tracking, shed windows 18x23 is a $8K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 47/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
shed windows 18x23 market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $21K–$43K
- units × avg price
- Conversion rate
- 1.3%
- Avg BSR
- #121
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 100%
- Out of stock
- 26.4%
- Avg brand age
- 19 months
- Avg seller age
- 276 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
13 flat
Sellers
16
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
53%
Top 20: 100%
Open market
23%
- NeatiEase20%
- Melkus18%
- NOTASA14%
- Apple Outdoor Supply12%
- Asstinous7%
- Handersun6%
Demand
Weekly Amazon search volume, last 10 weeks — +35.6% search growth over the last 90 days.Top shed windows 18x23 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NeatiEase 2 Pack Shed Window 18 x 23 Flush Mount Window with Tempered Glass and Fiberglass Screen for Shed Chicken Coop Playhouse Household Garage
NeatiEase$89.604.6★652 rev
Melkus 2 Pack Shed Windows 18x23 Flush Mount Household Windows with Thicker Tempered Glass and Fiberglass Screen Sliding Windows for Chicken Coop Shed Garage Playhouse Barn Greenhouse White
Melkus$92.134.7★253 rev
NOTASA Vinyl Single Hung Sliding Window 18 x 24 White
NOTASA$132.204.3★57 rev
Melkus 2 Pack Shed Windows 18x23 Flush Mount Household Windows with Tempered Glass and Screen Sliding Windows for Chicken Coop Shed Garage Playhouse Barn Greenhouse Black
Melkus$95.084.7★253 rev
Apple Outdoor Supply 18x23 Shed Window Flush Mount Sliding Window with Tempered Glass & Screen Brown 1-Pack
Apple Outdoor Supply$42.554.7★182 rev
Newest
by launch date
Handersun 18 x 23 Shed Windows 2 Pack Small Sliding Window with Tempered Glass & Metal Mesh Screen Flush Mount Windows for Shed Chicken Coop Barn Household Garage Basement Cabin Playhouse
Handersun$75.6270 rev
18 x 24 Vinyl Single Hung Window with Tilt Household Windows with Double-Pane Tempered Glass and Screen Windproof Shed Windows for House Mobile Home Basement Playhouse (White)
Pro Windows$109.5713 rev
18 x 24 Vinyl Single Hung Window with Tilt Household Windows with Double-Pane Tempered Glass and Screen Windproof Shed Windows for House Mobile Home Basement Playhouse (Black)
Pro Windows$127.7613 rev
NOTASA Vinyl Single Hung Sliding Window 18 x 24 White
NOTASA$132.2057 rev
ZHULI 1823 Shed Window 2 Pack Small Metal Replacement Window Outdoor Household Shed Windows with Tempered Glass and Metal Screen for Outside Shed Basement Greenhouse Barn Garage Cabin
ZHULI$76.2152 rev
Trending
90-day click momentumZHULI 1823 Shed Window 2 Pack Small Metal Replacement Window Outdoor Household Shed Windows with Tempered Glass and Metal Screen for Outside Shed Basement Greenhouse Barn Garage Cabin
ZHULI$76.214.3★
NOTASA Vinyl Single Hung Sliding Window 18 x 24 White
NOTASA$132.204.3★
Melkus 2 Pack Shed Windows 18x23 Flush Mount Household Windows with Tempered Glass and Screen Sliding Windows for Chicken Coop Shed Garage Playhouse Barn Greenhouse Black
Melkus$95.084.7★
Handersun 18 x 23 Shed Windows 2 Pack Small Sliding Window with Tempered Glass & Metal Mesh Screen Flush Mount Windows for Shed Chicken Coop Barn Household Garage Basement Cabin Playhouse
Handersun$75.624.5★
18 x 24 Vinyl Single Hung Window with Tilt Household Windows with Double-Pane Tempered Glass and Screen Windproof Shed Windows for House Mobile Home Basement Playhouse (Black)
Pro Windows$127.764.5★
What buyers say about shed windows 18x23
What buyers praise and complain about, mined from review topics.What buyers love
“they are a perfect affordable option”
“Great quality and value for the shed”
“Easy install”
“Perfectly fitted and arrived in a good condition”
“as advertised”
“they seem very durable and sturdy”
“Great window”
“efficient”
“They block heat”
“you safe buying this product”
What buyers complain about
“the rough in size on rufus is totally wrong”
“aggravating swap of screws required yet one more trip to the hardware store”
“It took longer to remove the stuff than it did to install the windows”
“Slide jams up”
“Check prices as they have gone up since I purchased”
“The only con I have is the film to protect it are way to sticky it takes me about 30 mins to peel each window”
Top return reasons
Common questions
- Is shed windows 18x23 profitable to sell on Amazon United States?
- The niche generates $8K/yr across 20 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +35.6%. Flapen's verdict: Skip it (47/100).
- How competitive is the shed windows 18x23 niche?
- 13 brands and 16 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in shed windows 18x23?
- Top complaints mined from reviews: Size-Overall, Assembly/Installation, Ease Of Use. The return rate is 1.8%.
- What does it cost to enter the shed windows 18x23 niche?
- Listings span $42.55–$132.20; the average listing price is $85.48 (sweet spot $15–$100). The average incumbent carries 209 reviews — the moat a new listing must climb.