---
title: "Basement Window — $71K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/basement-window"
last_updated: "2026-08-06T19:04:04.007Z"
locale: en
meta:
description: "Niche score 42/100 · $71K/yr market · 162K searches/yr · $97.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $71K/yr market · 162K searches/yr · $97.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Basement Window — $71K/yr Amazon US Niche (2026) - Flapen"
---
# **basement window**
**Skip it**
Weak search conversion (0.4%) — this niche doesn't clear our bar today.
Market size 18Growth 38Conversion 6Competition 63Returns 42Price range 48Avg price 76Brand share 26Review moat 89Quality gap 62
**Review moat**
**Great****215.07**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$97.36**
avg listing price — sweet spot $15–$100
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$46.98–$156.56**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****3.6%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+10.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$71K**
$71K/yr · 162K searches
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, basement window is a $71K/yr Amazon United States market (162K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Jul. Verdict: Skip it — 42/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **basement window market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$97K–$122K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#26**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **93%**
- **Out of stock**
- **18.6%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **184 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 90%
**Open market**
**8%**
- COLORPAPA44% - NOTASA25% - CroBlissful9% - Kathfly8% - Advantage Vent4% - TGBHYJ3% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.5% search growth over the last 90 days.
3K2KSpike '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/basement-window/trend)
## **Top basement window search terms**
- **basement window**54K/yr+17.7%0.3% conv. - **bathroom window**40K/yr+1.3%0.4% conv. - **basement windows**23K/yr+23.9%0.2% conv. - **ventanas para baos**10K/yr-6.7%0.4% conv. - **small bathroom window**9K/yr+14.4%0.7% conv. - **bathroom windows**9K/yr+8.7%0.4% conv. - **hopper window**6K/yr+8.9%0.5% conv. - **ventana para bao**5K/yr+8.8%0.2% conv. - **replacement basement windows**4K/yr+3.5%0.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/basement-window/search-terms)
## **Top basement window 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%$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**COLORPAPA Vinyl Basement Window 32 x 14 Slider Window with Double Pane Insulated Tempered Glass and Fiberglass Mesh Screen for Basement Bathroom Home RV Garage (White)**COLORPAPA**$96.38**4.3★91 rev](https://www.amazon.com/dp/B0FGPNLFMK) [2**NOTASA Vinyl Basement Hopper Window Bathroom Window 32 x 18 White**NOTASA**$118.94**4.6★22 rev](https://www.amazon.com/dp/B0GFDFJZ5P) [3**CroBlissful 1 Pcs 16 x 8 Small Basement Windows Sliding White Vinyl Bathroom Window Window Mobile Home Windows with Double Glazing Screen for Basement Bathroom Glass Block Cabins House Garage**CroBlissful**$80.48**4.1★35 rev](https://www.amazon.com/dp/B0DLK8G5FD) [4**NOTASA Vinyl Basement Window Bathroom Sliding Window 32 x 18 White**NOTASA**$117.42**4.6★59 rev](https://www.amazon.com/dp/B0FZPYS864) [5**COLORPAPA Vinyl Hopper Basement Window 32 x 14 White**COLORPAPA**$104.12**4.8★16 rev](https://www.amazon.com/dp/B0GH5HGNGS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NOOTA Basement Window with Removable Mounting FlangeSliding Tempered Dual-Pane Glass PVC Window for Basement Fits Non-Standard Rough Openings 32 14**NOOTA**$99.43**7 rev2mo ago](https://www.amazon.com/dp/B0GWVP6RZ3) [**COLORPAPA Vinyl Basement Sliding Window 32 x 14 Black**COLORPAPA**$107.49**16 rev4mo ago](https://www.amazon.com/dp/B0GQSDW9TG) [**COLORPAPA Vinyl Hopper Basement Window 32 x 14 White**COLORPAPA**$104.12**16 rev6mo ago](https://www.amazon.com/dp/B0GH5HGNGS) [**COLORPAPA Vinyl Hopper Basement Window 36 x 24 White**COLORPAPA**$156.56**16 rev6mo ago](https://www.amazon.com/dp/B0GH636L4H) [**NOTASA Vinyl Basement Window Bathroom Sliding Window 24 x 16 White**NOTASA**$96.84**59 rev6mo ago](https://www.amazon.com/dp/B0GH5P42FZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NOOTA Basement Window with Removable Mounting FlangeSliding Tempered Dual-Pane Glass PVC Window for Basement Fits Non-Standard Rough Openings 32 14**NOOTA**$99.43**3.4★**▲ 146%**](https://www.amazon.com/dp/B0GWVP6RZ3) [**CroBlissful 1 Pcs 16 x 8 Small Basement Windows White Vinyl Bathroom Window Shed Window Mobile Home Windows with Double Glazing Screen for Glass Block Cabins House Garage (Clear Glass)**CroBlissful**$81.26**4.1★**▲ 144%**](https://www.amazon.com/dp/B0FJ1KLX4B) [**COLORPAPA Vinyl Basement Sliding Window 32 x 14 Black**COLORPAPA**$107.49**4.8★**▲ 144%**](https://www.amazon.com/dp/B0GQSDW9TG) [**NOTASA Vinyl Basement Window Bathroom Sliding Window 24 x 16 White**NOTASA**$96.84**4.6★**▲ 132%**](https://www.amazon.com/dp/B0GH5P42FZ) [**Yuzzy Shed Windows 2 Pack 10x23 Sliding Windows Transom Window with Tempered Glass and Removable Fiberglass Screen for Shed Chicken Coop Playhouse Household Garage Barns (White)**Yuzzy**$77.24**4.1★**▲ 107%**](https://www.amazon.com/dp/B0G2JFHP67)
**~~View all trending →~~**
## **What buyers say about basement window**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**18%
*“Its fit exactly as size like it”*
**Value For Money**14%
*“Great value”*
**Quality-Overall**14%
*“It's a well-made product”*
**Assembly/Installation**12%
*“Installed perfectly and looks excellent”*
**Advertised Vs Actual Product**7%
*“Looks like pictures”*
**Design-Overall**5%
*“Looks beautiful”*
**Strength**5%
*“Sturdy, Clean Look, and Easy to Install”*
**Ease Of Use**3%
*“ease of use in mind”*
**Material Quality**2%
*“Great looking and quality materials, really easy to install, don't overpressure the screws to keep the square”*
**Durability**2%
*“durable”*
### **What buyers complain about **
**Quality-Overall**19%
*“Cheap lock”*
**Strength**12%
*“Fram A little flimsy”*
**Locking Mechanism**8%
*“It does not secure the sliding window”*
**Size-Overall**7%
*“Dimensions are off”*
**Assembly/Installation**5%
*“Installs Like a Problem”*
**Durability**3%
*“came apart easily”*
**Color**2%
*“Box is mislabeled so Amazon will ship wrong color window”*
**Advertised Vs Actual Product**2%
*“This information was nowhere to be found in their description”*
**Instructions/User Manual/Troubleshooting**1%
*“The included directions are very basic”*
**Leak-Proof**1%
*“My garage had an old plexiglass fixed leaking excuse of a window”*
### **Top return reasons **
**Size-Overall**56%
**Advertised Vs Actual Product**9%
**Locking Mechanism**6%
**Value For Money**4%
**Defective Material/Parts**4%
**Mechanism Issues**4%
**Windshield Issues**3%
**Quality-Overall**3%
**Color**3%
**Functionality-Overall**2%
## **Common questions**
- **Is basement window profitable to sell on Amazon United States?**
- The niche generates $71K/yr across 28 tracked products. 14 of 18 products launched in the last 360 days are still selling. 90-day search growth is +10.5%. Flapen's verdict: Skip it (42/100).
- **How competitive is the basement window niche?**
- 10 brands and 11 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in basement window?**
- Top complaints mined from reviews: Quality-Overall, Strength, Locking Mechanism. The return rate is 3.6%.
- **When does demand for basement window peak?**
- Demand peaks in Jul; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the basement window niche?**
- Listings span $46.98–$156.56; the average listing price is $97.36 (sweet spot $15–$100). The average incumbent carries 215 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)