Is 40w screw bulb profitable to sell on Amazon United Kingdom?

The niche generates £42K/yr across 26 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -38.7%. Flapen's verdict: Skip it (37/100).

How competitive is the 40w screw bulb niche?

14 brands and 25 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in 40w screw bulb?

Top complaints mined from reviews: Brightness/Shine/Glow, Durability, Size-Overall. The return rate is 2.4%.

When does demand for 40w screw bulb peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.

What does it cost to enter the 40w screw bulb niche?

Listings span £3.35–£12.82; the average listing price is £7.73 (sweet spot $15–$100). The average incumbent carries 1,184 reviews — the moat a new listing must climb.

40w screw bulb

Skip it

Prices mostly outside the sweet spot ($3.35–$12.82) — this niche doesn't clear our bar today.

Conversion

Incredible13.3%

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

Returns

Good2.4%

return rate — above 5% kills the launch gate

Review moat

Good1,184.12

avg incumbent reviews — the moat a new listing must climb

Competition

Good54%

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

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.73

avg listing price — sweet spot $15–$100

Market size

Bad£42K

£42K/yr · 41K searches

Growth

Bad-38.7%

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

Price range

Bad£3.35–£12.82

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

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.

Data updated Jul 28, 2026 · scored weekly · How we score niches

40w screw bulb market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: £39K–£46K; units × avg price
Conversion rate: 13.3%
Avg BSR: #216
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 0.7%
Avg brand age: 44 months
Avg seller age: 193 days

Competition & brand share

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

Brands

14 falling

Sellers

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%)

Demand & seasonality

Weekly Amazon search volume, last 89 weeks — -38.7% search growth over the last 90 days.

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

Open Trend

Top 40w screw bulb search terms

e27 40w bulb9K/yr -35.6%10.7% conv.
e27 screw bulb 40w8K/yr -38.2%11.3% conv.
e27 bulb 40w5K/yr -38.1%9.0% conv.
e27 light bulb 40w4K/yr -26.4%5.0% conv.
e27 screw bulb 40w warm white3K/yr -20.6%15.5% conv.
e27 40w bulb warm white4K/yr -45.5%13.9% conv.
e27 40w3K/yr -34.8%10.4% conv.
large screw light bulbs 40w warm white4K/yr -65.9%14.4% conv.

All search terms

Top 40w screw bulb 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.

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

Vanke E27 Screw LED Bulb Warm White 2700K 6W(40W Equivalent) Pack of 3

Vanke£5.074.6★2,055 rev

COTLEDL E27 Screw Bulbs 5W E27 LED Lights Bulbs Equivalent to 40W Incandescent Warm White 3000K G45 Edison Screw Bulb 500LM Golf Ball Lamps Energy Saving Non-Dimmable 6 Pack

COTLEDL£8.344.6★546 rev

Philips LED Frosted A60 Light Bulb 3 Pack [Warm White 2700K - E27 Edison Screw] 40W Non Dimmable. for Home Indoor Lighting Value Range

PHILIPS£5.174.6★460 rev

Philips LED Frosted A60 Light Bulb 2 Pack [Warm White 2700K - E27 Edison Screw] 40W Non Dimmable. for Home Indoor Lighting Value Range

PHILIPS£3.354.6★460 rev

PHILIPS LED Premium Frosted A60 Light Bulb [E27 Edison Screw] 4.5W - 40W Equivalent Warm White (2700K) Non Dimmable

PHILIPS£5.894.6★1,597 rev

Newest

by launch date

Lepro G45 E27 Screw Bulb A-Rated Warm White 2.2W = 40W 470LM Pack of 2

Lepro£7.65184 rev

10mo ago

Lepro G45 E27 Screw Bulb A-Rated Warm White 2.2W = 40W 470LM Pack of 4

Lepro£12.05184 rev

10mo ago

Vanke E27 Screw LED Bulb Warm White 2700K 6W(40W Equivalent) Pack of 6

Vanke£7.302,055 rev

1y ago

COTLEDL E27 Screw Bulbs 5W E27 LED Lights Bulbs Equivalent to 40W Incandescent Warm White 3000K G45 Edison Screw Bulb 500LM Golf Ball Lamps Energy Saving Non-Dimmable 6 Pack

COTLEDL£8.34546 rev

1y ago

COTLEDL E27 LED Bulbs 5W Edison Screw (ES) Bulb Equivalent 40W Incandescent Cool White 6000K Energy Saving 500LM G45 Golf Ball Light Bulb Not Dimmable No Flicker Lamps 6 Pack

COTLEDL£8.25546 rev

1y ago

What buyers say about 40w screw bulb

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

What buyers love

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”

Size-Overall2%

“exactly the right fit”

Color2%

“a good colour”

Durability2%

“Good quality and it seems durable”

Design-Overall2%

“Nice design and like the glow they give off”

Efficiency1%

“Works fine”

What buyers complain about

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”

Color8%

“the only problem they are cool white”

Advertised Vs Actual Product3%

“Not as described at all”

Heating3%

“Bulb gets very hot as soon as it is turned on”

Connectivity-Overall2%

“Only two of the bulbs Connected to alexa”

Temperature Control1%

“the heat from it would slowly keep some warmth in the place”

Top return reasons

Size-Overall53%

Brightness/Shine/Glow16%

Bulb Flicker/Dimming/Color9%

Color7%

Functionality-Overall5%

Compatibility-Overall3%

Advertised Vs Actual Product2%

Quality-Overall1%

Strength1%

Defective Material/Parts0%

Common questions

Is 40w screw bulb profitable to sell on Amazon United Kingdom?: The niche generates £42K/yr across 26 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -38.7%. Flapen's verdict: Skip it (37/100).
How competitive is the 40w screw bulb niche?: 14 brands and 25 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in 40w screw bulb?: Top complaints mined from reviews: Brightness/Shine/Glow, Durability, Size-Overall. The return rate is 2.4%.
When does demand for 40w screw bulb peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.
What does it cost to enter the 40w screw bulb niche?: Listings span £3.35–£12.82; the average listing price is £7.73 (sweet spot $15–$100). The average incumbent carries 1,184 reviews — the moat a new listing must climb.

40w screw bulb

40w screw bulb market data

Competition & brand share

Demand & seasonality

Top 40w screw bulb search terms

Top 40w screw bulb products on Amazon

Top sellers

Newest

Trending

What buyers say about 40w screw bulb

What buyers love

What buyers complain about

Top return reasons

Common questions

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