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40w Screw Bulb

prices mostly outside the sweet spot ($3.35–$12.82) — 40w Screw Bulb doesn't clear our bar today.

Flapen Score

37
Skip it
Market size 10Growth 6Conversion 96Competition 51Returns 65Price range 0Avg price 21Brand share 38Review moat 58Quality gap 33
This niche Category average

Is 40w Screw Bulb profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 40w Screw Bulb is a £42K/yr Amazon United Kingdom market (41K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 37/100.

40w Screw Bulb: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -38.7% over the last 90 days and 13.3% of searches end in a purchase.

£42K

revenue / yr

Units sold / yr6K
Search volume / yr-38.7%41K
Conversion rate13.3%
Avg price£7.73

Who owns the niche?

The top 5 brands hold 82% of demand, so 18% of the market is open.

18%

open market share

Brands · sellers14 · 25
Top-5 product click share54%
Open market18%
Avg brand age44 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 26 products

Sponsored placement73%
New entrants (1y)2· 1 succeeded
Avg rating4.5★
Avg reviews1,184

Top 40w Screw Bulb products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

£0£2K£4K£6K£8K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

14 falling

Sellers

25

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

54%

Top 20: 95%

Open market

14%

  • PHILIPS33%
  • Vanke19%
  • COTLEDL15%
  • paul russells9%
  • Lepro6%
  • Sokkldccd4%
  • Open — no brand owns it (8 brands, 14%)

40w Screw Bulb demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume41KCVR13.3%Products26Brands14Top 5 Brands82%OOS Rate0.7%Rating4.5★Reviews1,184Avg BSR#216
2K1KSpike '25Black Friday '25DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 2.7×

Top 40w Screw Bulb search terms shoppers use

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

  • e27 40w bulb9K/yr
  • e27 screw bulb 40w8K/yr
  • e27 bulb 40w5K/yr
  • e27 light bulb 40w4K/yr
  • e27 screw bulb 40w warm white3K/yr
  • e27 40w bulb warm white4K/yr
  • e27 40w3K/yr
  • large screw light bulbs 40w warm white4K/yr

What reviews say buyers love and hate about 40w Screw Bulb

What buyers mention most, as a share of all reviews.

What buyers love

92% of reviews
Brightness/Shine/Glow30%

They are bright

Quality-Overall20%

arrived when expected, as described and good quality

Value For Money18%

Excellent value for money

Advertised Vs Actual Product12%

Does what it says

Bulb Flicker/Dimming/Color3%

Nice bulbs They do the job well

What buyers complain about

86% of reviews
Brightness/Shine/Glow17%

Bad lighting

Durability15%

Doesn't last

Size-Overall15%

Read the discription i did not realise they were miniture bulbs not full size

Bulb Flicker/Dimming/Color13%

Faulty bulb

Quality-Overall10%

Poor quality

40w Screw Bulb return rate & reasons

Why buyers send it back, as a share of all return requests.

2.4%

Return rate

73%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
53%
2Brightness/Shine/Glow
16%
3Bulb Flicker/Dimming/Color
9%
4Color
7%
5Functionality-Overall
5%

Common 40w Screw Bulb questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 40w Screw Bulb 37/100 on Amazon United Kingdom — Skip it. The niche generates £42K/yr across 26 tracked products. 1 of 2 products launched in the last 360 days are still selling. Search demand moved -38.7% over the last 90 days.
Search demand for 40w Screw Bulb on Amazon United Kingdom peaks in Jan–Oct–Nov–Dec, where the busiest month runs 2.7× the quietest.