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40w Bayonet Light Bulbs

Fail

Prices span $4.72–$10.98, mostly outside the sweet spot, so 40w Bayonet Light Bulbs is a Fail.

Flapen Score
30
30 / 100
Ranks 340 of 370 Lighting niches · −17 vs the category median of 47
Market size
£19K/yr37K searches / yr
90-day growth
-46.3%search demand this quarter
Competition
77%top-5 click share · 10 brands · 34 sellers

Flapen Score

40w Bayonet Light Bulbs against its category

The dotted line is the Lighting average. Past it, 40w Bayonet Light Bulbs is stronger. Inside it, weaker.

30Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 40w Bayonet Light Bulbs market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 40w Bayonet Light Bulbs 37K times last year and spent an estimated £19K. The top 5 brands take 82% of clicks. Demand peaks in Jan–Feb–Oct–Nov–Dec. Flapen scores it 30 out of 100, a Fail.

01 · Demand

An estimated 8.2% of those searches ended in a purchase.

Shoppers searched for this 37K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.2% of those searches ended in a purchase. Searches in the last 90 days moved -46.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £19K a year.

Searches, last 12 months
37K
Growth, 90 days vs prior 90
-46.3%
Conversion, latest week
8.2%
Market size, estimated
£19Ka year
Peak month
November3.0× the quietest month
Top search term
40w bayonet light bulbs12K searches a year

02 · Price

A sale here is worth £6.21.

Listings sell for £6.21 on average, from £4.72 to £10.98. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At £6.21 that is £2K to £3K a year per listing.

Average price
£6.21under the $15 to $100 sweet spot
Price range
£4.72–£10.98
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
250–500
Revenue per listing a year
£2K–£3K
Returns
1.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

62% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 13.6% of listings are out of stock. The average listing ranks #865 within Light Bulbs. It carries 1,285 reviews at 4.62 stars, so a new listing needs social proof before a better product.

Sponsored listings
62%
Prime listings
92%
Out of stock, average day
13.6%
Average rank
#865in Light Bulbs
Average rating
4.62 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,285per listing
Listings tracked
13

04 · Newcomers

0 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 47 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
0Amazon's first-year sales bar
Average brand age
47 months

Products

Top 40w Bayonet Light Bulbs products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 77% of clicks. A locked shelf that new listings rarely crack.

£0£2K£4K£6K£8K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 falling

Sellers

34

Est. top-5 brand share

82%

Top 20: 100%

Est. top-5 click share

77%

Top 20: 100%

Open market

13%

  • Lepro39%
  • Linkind16%
  • EvaStary11%
  • Vanke9%
  • Energizer7%
  • HYLITE5%
  • Open — no brand owns it (4 brands, 13%)

Demand

40w Bayonet Light Bulbs search demand

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

1K600Spike '25JanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 3.0×

Search terms

Top 40w Bayonet Light Bulbs search terms shoppers use

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

  • 40w bayonet light bulbs12K/yr
  • 40 watt bayonet light bulbs8K/yr
  • bayonet light bulb 40w4K/yr
  • 40w light bulbs4K/yr
  • light bulb 40w4K/yr
  • light bulbs bayonet 40w3K/yr
  • bayonet light bulb 40w warm white2K/yr

Reviews and returns

What reviews say buyers love and hate about 40w Bayonet Light Bulbs

We read the reviews and the return reasons for every product selling here.

30%of positive reviews mention “Brightness/Shine/Glow”
22%of negative reviews mention “Brightness/Shine/Glow”
1.4%of orders come back
“Not very bright”
A buyer, on “Brightness/Shine/Glow”22% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common 40w Bayonet Light Bulbs questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data