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Window Insulation

Fail

Shoppers spend only $33K a year here, so Window Insulation is a Fail.

Flapen Score
42
42 / 100
Ranks 1,704 of 2,225 DIY & Tools niches · −7 vs the category median of 49
Market size
£33K/yr263K searches / yr
90-day growth
-2.2%search demand this quarter
Competition
55%top-5 click share · 14 brands · 35 sellers

Flapen Score

Window Insulation against its category

The dotted line is the DIY & Tools average. Past it, Window Insulation is stronger. Inside it, weaker.

42Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Window Insulation market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Window Insulation 263K times last year and spent an estimated £33K. The top 5 brands take 71% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 42 out of 100, a Fail.

01 · Demand

1.2% of searches ended in a purchase last week.

Shoppers searched for this 263K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 1.2% of those searches ended in a purchase. Searches in the last 90 days moved -2.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £33K a year.

Searches, last 12 months
263K
Growth, 90 days vs prior 90
-2.2%
Conversion, latest week
1.2%
Market size, estimated
£33Ka year
Peak month
November12.8× the quietest month
Top search term
thermal window film32K searches a year

02 · Price

A sale here is worth £10.74.

Listings sell for £10.74 on average, from £4.65 to £19.95. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At £10.74 that is £3K to £5K a year per listing.

Average price
£10.74under the $15 to $100 sweet spot
Price range
£4.65–£19.95
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
250–500
Revenue per listing a year
£3K–£5K
Returns
1.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

86% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 7.4% of listings are out of stock. The average listing ranks #21 within Building Supplies. It carries 8,584 reviews at 3.81 stars, so a new listing needs social proof before a better product.

Sponsored listings
86%
Prime listings
95%
Out of stock, average day
7.4%
Average rank
#21in Building Supplies
Average rating
3.81 starsAmazon United Kingdom average 4.36 stars
Average reviews
8,584per listing
Listings tracked
22

04 · Newcomers

Amazon counts 2 of last year's 9 launches as successful.

9 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 35 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
9
Successful launches
2Amazon's first-year sales bar
Average brand age
35 months

Products

Top Window Insulation products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 55% of clicks. Leaders hold, but buyers still shop past them.

£0£3K£7K£10K£13K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

14 falling

Sellers

35

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

55%

Top 20: 97%

Open market

24%

  • rabbitgoo40%
  • Lifetree10%
  • tesa UK9%
  • BKSAI6%
  • Aozzy6%
  • Gufoltie5%

Demand

Window Insulation search demand

Weekly searches over the year, seasonality beneath. Pick a range.

35K25KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 12.8×

Search terms

Top Window Insulation search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • thermal window film32K/yr
  • window insulation74K/yr
  • window insulation film33K/yr
  • window insulation kit22K/yr
  • secondary glazing kit for windows17K/yr
  • secondary glazing10K/yr
  • insulation window film6K/yr
  • window thermal insulation7K/yr
  • weatherproofing window insulation kits4K/yr
  • soundproof window film3K/yr

Reviews and returns

What reviews say buyers love and hate about Window Insulation

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Adhesion/Stickiness12%−0.22

Poor adhesion

Not very sticky

Doesnt stick

Functionality-Overall11%−0.27

Does not do the job

Doesnt work rubbish

Did not work

Quality-Overall10%−0.02

the provided adhesive tape is poor in quality

Horrible quality

Absolute rubbish

Heating9%+0.13

Shockingly hot

The windows get VERY HOT

Doesnt reflect any heat

Durability8%−0.14

Not durable

Broke in half

Came off within 5 mins

Love

Value For Money12%+1.33

Good for the money

Good value for money

Great value for money

Ease Of Use12%+1.29

Easy to use

Easy to apply

easy to handle

Quality-Overall12%−0.02

Top quality and very easy to cut

Excellent product

Good quality and stays in place well

Assembly/Installation7%+0.17

Had no issues installing it

Easy to install

so easy to put up

Security6%

Great for privacy

Works well for privacy

Keep privacy of the room

Return

1.6% Return rate 57% Fixable by listing

Size-Overall40%▅█▇▇▆▇
Functionality-Overall9%▇▇█▄▇█

Does not do the job

Doesnt work rubbish

Did not work

Adhesion/Stickiness8%▆▃▅▄█▆

Poor adhesion

Not very sticky

Doesnt stick

Quality-Overall8%▇▃▇██▆

the provided adhesive tape is poor in quality

Horrible quality

Absolute rubbish

Advertised Vs Actual Product7%▆█▅▆▅▆

Not as described

This is false advertising

Completely misleading description

FAQ

Common Window Insulation questions

Answered from the same tracked data.