Is 2d 28w 4 pin light bulb profitable to sell on Amazon United Kingdom?

The niche generates £66K/yr across 18 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -38.1%. Flapen's verdict: Skip it (38/100).

How competitive is the 2d 28w 4 pin light bulb niche?

13 brands and 29 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 76% of demand.

What do buyers complain about in 2d 28w 4 pin light bulb?

Top complaints mined from reviews: Durability, Functionality-Overall, Bulb Flicker/Dimming/Color. The return rate is 6.5% — above our launch gate.

When does demand for 2d 28w 4 pin light bulb peak?

Demand peaks in Jan–Feb; the busiest month runs 3.1× the quietest.

What does it cost to enter the 2d 28w 4 pin light bulb niche?

Listings span £5.88–£11.67; the average listing price is £8.03 (sweet spot $15–$100). The average incumbent carries 832 reviews — the moat a new listing must climb.

2d 28w 4 pin light bulb

Skip it

Prices mostly outside the sweet spot ($5.88–$11.67) — this niche doesn't clear our bar today.

Conversion

Incredible19.7%

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

Quality gap

Great4.0★

avg incumbent rating — lower means beatable quality

Review moat

Good831.5

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay76%

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

Competition

Okay69%

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

Avg price

Bad£8.03

avg listing price — sweet spot $15–$100

Returns

Bad6.5%

return rate — above 5% kills the launch gate

Market size

Bad£66K

£66K/yr · 42K searches

Growth

Bad-38.1%

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

Price range

Bad£5.88–£11.67

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

Signals Low Review Barrier High Returns

According to Flapen's Amazon United Kingdom niche tracking, 2d 28w 4 pin light bulb is a £66K/yr Amazon United Kingdom market (42K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 38/100.

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

2d 28w 4 pin light bulb market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: £64K–£80K; units × avg price
Conversion rate: 19.7%
Avg BSR: #143
Page quality: 0%
Prime: 94%
Sponsored: 78%
Out of stock: 0.0%
Avg brand age: 46 months
Avg seller age: 189 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

17%

Quebec23%
Ddlisu18%
Akynite14%
Liuyife11%
B4U9%
BELL Lighting6%
Open — no brand owns it (7 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -38.1% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 3.1×

Open Trend

Top 2d 28w 4 pin light bulb search terms

28w 4 pin light bulb9K/yr -32.4%18.2% conv.
gr10q 4 pin 28w8K/yr -37.1%16.2% conv.
4pin light bulb 28w3K/yr +22.0%13.3% conv.
2d 28w 4 pin light bulb8K/yr -58.2%18.1% conv.
philips pl-q 28w 830 4p4K/yr -27.0%13.4% conv.
28w 2d 4 pin4K/yr -28.1%10.8% conv.
4 pin light bulbs 28w3K/yr -80.7%8.2% conv.
bathroom light bulb 4 pin 28w2K/yr -80.8%9.1% conv.

All search terms

Top 2d 28w 4 pin light 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Quebec 28W GR10q CFL 2D Butterfly Bulb 2000LM 3500K Warm White 10000H Lifespan Energy Class A 220V 20x20cm Compact Ceiling Light for Home & Office (28W 4 Pin 3500K)

Quebec£8.314.0★411 rev

Ddlisu GR10q 4 Pin Light Bulb 28W 3500K Warm White 1 Pack

Ddlisu£8.164.0★638 rev

GR10q 4 Pin 28W 3500K Warm White 2000LM Very Large Size DD Square CFL Compact Fluorescent 4 Pins Light Bulb AC 220V 4 Pin Flat Butterfly Bulb for Flush Ceiling Light 1 PACK (Ballast should >28W)

Akynite£7.314.0★1,606 rev

GR10Q 4-PIN 28W(Large Size 20*20cm) Compact Fluorescent Lamp Non-Dimmable Warm White 3500K 230V Recessed Ceiling Light CFL Light Bulb Low Energy Light Bulb Suitable for Indoor Stair Corridors

Liuyife£7.684.1★526 rev

Bell 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp

BELL Lighting£6.904.3★1,611 rev

Newest

by launch date

Summalux GR10q 4 PIN 28W 2D Light Bulb Butterfly Light Bulb CFL Compact Fluorescent Lamp 4 Pins Square Bulb Low Energy Light Bulb for Bathroom Ceiling Light 3500K Warm White Non-Dimmable

Summalux£6.348 rev

9mo ago

B4U GR10q 4 Pin 28W Bathroom Light Bulb 4 Pin Compact Fluorescent CFL Low Energy Light Bulb 28W 2D Flat Butterfly Bulb for Flush Ceiling Light Warm White 3500K

B4U£7.28257 rev

11mo ago

B4U 2 Pack GR10q 4 Pin 28W Bathroom Light Bulbs 4 Pin Compact Fluorescent CFL Low Energy Light Bulbs 28W 2D Flat Butterfly Bulb for Flush Ceiling Light Warm White 3500K

B4U£10.70257 rev

11mo ago

B4U 2 Pack GR10q 4 Pin 28W(Large Size 20 * 20cm) Compact Fluorescent Lamp 2D Bathroom Light Bulb CFL Low Energy Light Bulb 4 Pin Bathroom Light Bulbs for Ceiling Lights Warm White 3500K

B4U£11.67499 rev

1y ago

B4U GR10q 4 Pin Bathroom Light Bulb 2D Square 28W Compact Fluorescent Lamp CFL Low Energy Light Bulb 4 Pin Bathroom Light Bulbs for Ceiling Lights Warm White 3500K

B4U£7.295 rev

1y ago

What buyers say about 2d 28w 4 pin light bulb

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

What buyers love

Brightness/Shine/Glow25%

“Great light”

Advertised Vs Actual Product16%

“Exactly what I needed”

Quality-Overall14%

“The light bulbs are great no problem with them great quality”

Size-Overall14%

“Easy fit”

Value For Money12%

“worth the purchase”

Assembly/Installation5%

“Easy to install”

Efficiency5%

“It works well”

Bulb Flicker/Dimming/Color2%

“Bulb works well once the flickering startup has finished”

Durability1%

“Durable product”

Ease Of Use1%

“Easy to use”

What buyers complain about

Durability33%

“Took two days to die completely”

Functionality-Overall19%

“Unfortunately I would not recommend this bulb as the performance is just not good enough”

Bulb Flicker/Dimming/Color14%

“It was flickering yesterday”

Quality-Overall10%

“Really disappointed with the quality - it only lasted 5 weeks despite stating it should have a lifespan of 8000 hours”

Brightness/Shine/Glow4%

“Had trouble lighting up despite new starter”

Strength3%

“Fragile”

Value For Money3%

“Im not paying £10 every couple of months”

Size-Overall2%

“Broke when fitting into light fitting”

Natural Resource Wastage2%

“Waste of time”

Unsustainable Design1%

“Build came broken”

Top return reasons

Size-Overall46%

Functionality-Overall24%

Bulb Flicker/Dimming/Color14%

Compatibility-Overall5%

Brightness/Shine/Glow2%

Defective Material/Parts2%

Maintenance And Repair2%

Connectivity-Overall1%