---
title: "Blackout Curtain Lining — £56K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/blackout-curtain-lining"
last_updated: "2026-07-31T15:35:37.639Z"
locale: en
meta:
  description: "Niche score 45/100 · £56K/yr market · 173K searches/yr · £14.58 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 45/100 · £56K/yr market · 173K searches/yr · £14.58 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Blackout Curtain Lining — £56K/yr Amazon UK Niche (2026) - Flapen"
---

# **blackout curtain lining**

**Skip it**

A small market ($56K/yr) — this niche doesn't clear our bar today.

Market size 14Growth 68Conversion 28Competition 49Returns 95Price range 36Avg price 72Brand share 17Review moat 25Quality gap 47

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Avg price**

**Good****£14.58**

avg listing price — sweet spot $15–$100

**Growth**

**Good****+49.2%**

90-day search growth — must beat 0% to launch

**Competition**

**Okay****56%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****£2.73–£21.79**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Okay****2.2%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Bad****4,193.52**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****£56K**

£56K/yr · 173K searches

According to Flapen's Amazon United Kingdom niche tracking, blackout curtain lining is a £56K/yr Amazon United Kingdom market (173K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 45/100.

Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **blackout curtain lining market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£117K–£146K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#78**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**43%**</dd>

<dt>**Sponsored**</dt><dd>**81%**</dd>

<dt>**Out of stock**</dt><dd>**4.0%**</dd>

<dt>**Avg brand age**</dt><dd>**51 months**</dd>

<dt>**Avg seller age**</dt><dd>**187 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **—flat

**Sellers**

**13**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**56%**

Top 20: 99%

**Open market**

**3%**

- rejuvopedic33% - Melodieux23% - Kinfolk Textile16% - Emma Barclay15% - RAYYAN LINEN6% - PONY DANCE4% - Open — no brand owns it (3 brands, 3%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +49.2% search growth over the last 90 days.

5K3KSpike '24Black Friday '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 2.1×

[**Open Trend **](https://flapen.com/research/uk/home-garden/blackout-curtain-lining/trend)

## **Top blackout curtain lining search terms**

- **blackout curtain lining**31K/yr+69.0%1.8% conv. - **blackout curtain liner**11K/yr+86.9%1.1% conv. - **blackout lining for eyelet curtains**11K/yr+64.0%0.8% conv. - **blackout linings for curtains**10K/yr+54.0%2.0% conv. - **curtain lining**20K/yr-8.9%1.7% conv. - **blackout lining**10K/yr+92.1%2.1% conv. - **blackout curtain linings**5K/yr+146.8%1.0% conv. - **black out curtain liners uk**5K/yr+180.5%1.6% conv. - **thermal curtain lining**18K/yr-7.2%1.0% conv. - **curtain blackout lining**5K/yr+46.9%1.8% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/blackout-curtain-lining/search-terms)

## **Top blackout curtain lining 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%£2K8%£4K12%£7K16%£9K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Kinfolk Textile Thermal Blackout Curtain Linings Pair 3 Pass Includes Curtain Hooks (46 x 54)](https://m.media-amazon.com/images/I/51ClYh+uekL.jpg)**Kinfolk Textile Thermal Blackout Curtain Linings Pair 3 Pass Includes Curtain Hooks (46 x 54)**Kinfolk Textile**£13.76**4.5★824 rev](https://www.amazon.co.uk/dp/B08XKBGBMH) [2![Melodieux Blackout Lining for Bedroom Drapes - Room Darkening Liner for Nursery Room Noise Reduction Thermal Insulated Eyelet Curtains 3 Pass Thermal Linings 2 Panels (White 46 W x 54 L)](https://m.media-amazon.com/images/I/41K3hkVxjOL.jpg)**Melodieux Blackout Lining for Bedroom Drapes - Room Darkening Liner for Nursery Room Noise Reduction Thermal Insulated Eyelet Curtains 3 Pass Thermal Linings 2 Panels (White 46 W x 54 L)**Melodieux**£19.97**4.5★744 rev](https://www.amazon.co.uk/dp/B087RC4YQY) [3![Blackout Curtain Lining Thermal Ivory Linings Fabric Per Metre By Rejuvopedic](https://m.media-amazon.com/images/I/31glMDQLqkL.jpg)**Blackout Curtain Lining Thermal Ivory Linings Fabric Per Metre By Rejuvopedic**rejuvopedic**£2.73**4.6★2,168 rev](https://www.amazon.co.uk/dp/B0019C1J7Q) [4![SRC 46 width x 54 drop Blackout Thermal Curtain Lining. ***Now Includes 15 Curtain Hooks ***](https://m.media-amazon.com/images/I/51odzw-QKtL.jpg)**SRC 46 width x 54 drop Blackout Thermal Curtain Lining. ***Now Includes 15 Curtain Hooks ***rejuvopedic**£11.56**4.5★1,921 rev](https://www.amazon.co.uk/dp/B001KS8GC0) [5![Melodieux Blackout Lining for Eyelet Curtains - 3 Pass Thermal Linings 2 Pack (Black 46W x 54L) Grommet Blackout Curtain Lining for Bedroom Living Room Living Room](https://m.media-amazon.com/images/I/31o4wIPfbWL.jpg)**Melodieux Blackout Lining for Eyelet Curtains - 3 Pass Thermal Linings 2 Pack (Black 46W x 54L) Grommet Blackout Curtain Lining for Bedroom Living Room Living Room**Melodieux**£18.78**4.5★744 rev](https://www.amazon.co.uk/dp/B0BFWFXBDN)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Bujasso Full Blackout Light Gray White Curtain Lining 46W x 52L 2 Panels](https://m.media-amazon.com/images/I/31xSPC+oAqL.jpg)**Bujasso Full Blackout Light Gray White Curtain Lining 46W x 52L 2 Panels**Bujasso**£16.91**19 rev6mo ago](https://www.amazon.co.uk/dp/B0GJS7RD85) [![RAYYAN LINEN Thermal Blackout Curtain Lining Pair 100% Blackout 3 Pass Readymade Insulated Linings with Curtain Hooks (Width 46 X Drop 52 (To Fit 46x54)](https://m.media-amazon.com/images/I/41vmskhNBdL.jpg)**RAYYAN LINEN Thermal Blackout Curtain Lining Pair 100% Blackout 3 Pass Readymade Insulated Linings with Curtain Hooks (Width 46 X Drop 52 (To Fit 46x54)**RAYYAN LINEN**£14.35**46 rev1y ago](https://www.amazon.co.uk/dp/B0DHVZ83WJ) [![PONY DANCE Blackout Thermal Lining Curtains - 2 Panels Room Darkening Privacy Curtains with Hooks and Rings for Bedroom Living Room Kitchen Greyish White 44 x 50 Inch Drop](https://m.media-amazon.com/images/I/41IzxqWlb-L.jpg)**PONY DANCE Blackout Thermal Lining Curtains - 2 Panels Room Darkening Privacy Curtains with Hooks and Rings for Bedroom Living Room Kitchen Greyish White 44 x 50 Inch Drop**PONY DANCE**£17.19**91 rev3y ago](https://www.amazon.co.uk/dp/B0BTGTXYN6) [![Melodieux Blackout Lining for Eyelet Curtains - 3 Pass Thermal Linings 2 Pack (Black 46W x 54L) Grommet Blackout Curtain Lining for Bedroom Living Room Living Room](https://m.media-amazon.com/images/I/31o4wIPfbWL.jpg)**Melodieux Blackout Lining for Eyelet Curtains - 3 Pass Thermal Linings 2 Pack (Black 46W x 54L) Grommet Blackout Curtain Lining for Bedroom Living Room Living Room**Melodieux**£18.78**744 rev3y ago](https://www.amazon.co.uk/dp/B0BFWFXBDN) [![Kabbani Textiles Premium 100% Cotton Curtain Lining Fabric. Cotton Sateen Fabric. Ideal for Lining Curtains Drapes and Blinds. Ivory/Cream Colour. Pure Cotton Material (Sold per 1M Ivory/Cream)](https://m.media-amazon.com/images/I/41E1lWBXnzL.jpg)**Kabbani Textiles Premium 100% Cotton Curtain Lining Fabric. Cotton Sateen Fabric. Ideal for Lining Curtains Drapes and Blinds. Ivory/Cream Colour. Pure Cotton Material (Sold per 1M Ivory/Cream)**Generic**£3.19**94 rev4y ago](https://www.amazon.co.uk/dp/B0B3JSQHRT)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Bujasso Full Blackout Light Gray White Curtain Lining 46W x 52L 2 Panels](https://m.media-amazon.com/images/I/31xSPC+oAqL.jpg)**Bujasso Full Blackout Light Gray White Curtain Lining 46W x 52L 2 Panels**Bujasso**£16.91**4.4★**▲ 176%**](https://www.amazon.co.uk/dp/B0GJS7RD85) [![SRC 46 width x 54 drop Blackout Thermal Curtain Lining. ***Now Includes 15 Curtain Hooks ***](https://m.media-amazon.com/images/I/51odzw-QKtL.jpg)**SRC 46 width x 54 drop Blackout Thermal Curtain Lining. ***Now Includes 15 Curtain Hooks ***rejuvopedic**£11.56**4.5★**▲ 111%**](https://www.amazon.co.uk/dp/B001KS8GC0) [![rejuvopedic Eyelet SRC Blackout Thermal Curtain Lining Readymade To Fit Eyelet Curtains Curtains 46 width x 54 drop Choice Of 9 Sizes](https://m.media-amazon.com/images/I/41IZf0mXLpL.jpg)**rejuvopedic Eyelet SRC Blackout Thermal Curtain Lining Readymade To Fit Eyelet Curtains Curtains 46 width x 54 drop Choice Of 9 Sizes**rejuvopedic**£14.52**4.4★**▲ 86%**](https://www.amazon.co.uk/dp/B0B12SZMMM) [![Emma Barclay Blackout Lining Blackout Liner Panels to Add to Existing Curtains Block Out Daylight for Darker Restful Bedrooms & Nurseries (White W 46 x L 87 (2 Panels) Eyelet)](https://m.media-amazon.com/images/I/41wA7Xs2AdL.jpg)**Emma Barclay Blackout Lining Blackout Liner Panels to Add to Existing Curtains Block Out Daylight for Darker Restful Bedrooms & Nurseries (White W 46 x L 87 (2 Panels) Eyelet)**Emma Barclay**£15.09**4.1★**▲ 79%**](https://www.amazon.co.uk/dp/B07JGS66Y8) [![Emma Barclay Blackout Lining Blackout Liner Panels to Add to Existing Curtains Block Out Daylight for Darker Restful Bedrooms & Nurseries (White W 66 x L 87 (2 Panels) Eyelet)](https://m.media-amazon.com/images/I/41wA7Xs2AdL.jpg)**Emma Barclay Blackout Lining Blackout Liner Panels to Add to Existing Curtains Block Out Daylight for Darker Restful Bedrooms & Nurseries (White W 66 x L 87 (2 Panels) Eyelet)**Emma Barclay**£19.18**4.6★**▲ 77%**](https://www.amazon.co.uk/dp/B07JH2DWFK)

**~~View all trending →~~**

## **What buyers say about blackout curtain lining**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**22%

*“Good quality, easy to fit, total blackout curtains”*

**Value For Money**12%

*“Good value”*

**Size-Overall**11%

*“Perfect fit”*

**Advertised Vs Actual Product**10%

*“just what we have been looking for”*

**Upholstery/Fabric Quality**9%

*“Good quality fabric”*

**Material Quality**6%

*“soft material”*

**Ease Of Use**4%

*“easy to use”*

**Weight Light**4%

*“The curtains are very lightweight”*

**Color**2%

*“The black colour is deep and consistent throughout the fabric, giving the room a smart, finished look”*

**Brightness/Shine/Glow**2%

*“thus resulting in a bright light in our bedroom every few minutes along with sleepless nights”*

### **What buyers complain about **

**Size-Overall**21%

*“wrong size delivered”*

**Material Quality**11%

*“Black out curtains that let let though because of cheap materials really defeats the point”*

**Thickness**10%

*“Their very thin”*

**Value For Money**7%

*“A little more expensive than some alternatives on Amazon”*

**Advertised Vs Actual Product**6%

*“Deeply disappointed given the bold claims on the listing”*

**Thin**5%

*“Very thin”*

**Measurement/Reading Accuracy**5%

*“My measurements were off a bit”*

**Stretchability/Expandability/Elasticity**2%

*“they don't stretch out fully”*

**Ease Of Use**2%

*“the clips are not easy to use”*

**Instructions/User Manual/Troubleshooting**2%

*“only downside is no instructions so I got it wrong a few times”*

### **Top return reasons **

**Size-Overall**74%

**Material Quality**4%

**Advertised Vs Actual Product**4%

**Quality-Overall**4%

**Color**4%

**Functionality-Overall**3%

**Thin**2%

**Compatibility-Overall**1%

**Value For Money**1%

**Weight Heavy**1%

## **Common questions**

<dl>

<dt>**Is blackout curtain lining profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £56K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +49.2%. Flapen's verdict: Skip it (45/100).</dd>

<dt>**How competitive is the blackout curtain lining niche?**</dt><dd>9 brands and 13 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in blackout curtain lining?**</dt><dd>Top complaints mined from reviews: Size-Overall, Material Quality, Thickness. The return rate is 0.9%.</dd>

<dt>**When does demand for blackout curtain lining peak?**</dt><dd>Demand peaks in Jun–Jul; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the blackout curtain lining niche?**</dt><dd>Listings span £2.73–£21.79; the average listing price is £14.58 (sweet spot $15–$100). The average incumbent carries 4,194 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Home & Garden**

- 79 [**mole repellent**](https://flapen.com/research/uk/home-garden/mole-repellent)£163K/yr+91.4%**Worth a look**- 80 [**sun lounger**](https://flapen.com/research/uk/home-garden/sun-lounger)£2.5M/yr+299.9%**Launch it**- 80 [**fly repellent fan**](https://flapen.com/research/uk/home-garden/fly-repellent-fan)£302K/yr>1,000%**Worth a look**- 80 [**ice maker**](https://flapen.com/research/uk/home-garden/ice-maker)£2.9M/yr+371.4%**Launch it**- 80 [**parasol base**](https://flapen.com/research/uk/home-garden/parasol-base)£1.1M/yr+904.4%**Launch it**- 80 [**air conditioner**](https://flapen.com/research/uk/home-garden/air-conditioner)£39.3M/yr>1,000%**Launch it**[**All Home & Garden niches **](https://flapen.com/research/uk/home-garden)