---
title: "4 Pin Light Bulbs — £38K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/lighting/4-pin-light-bulbs"
last_updated: "2026-07-31T07:18:43.935Z"
locale: en
meta:
description: "Niche score 38/100 · £38K/yr market · 54K searches/yr · £7.69 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £38K/yr market · 54K searches/yr · £7.69 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "4 Pin Light Bulbs — £38K/yr Amazon UK Niche (2026) - Flapen"
---
# **4 pin light bulbs**
**Skip it**
Prices mostly outside the sweet spot ($5.06–$10.91) — this niche doesn't clear our bar today.
Market size 10Growth 9Conversion 84Competition 45Returns 22Price range 0Avg price 21Brand share 40Review moat 85Quality gap 90
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****292.81**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****9.2%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****6.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Bad****£7.69**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£38K**
£38K/yr · 54K searches
**Growth**
**Bad****-32.9%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£5.06–£10.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United Kingdom niche tracking, 4 pin light bulbs is a £38K/yr Amazon United Kingdom market (54K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **4 pin light bulbs market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£46K–£62K**
- units × avg price
- **Conversion rate**
- **9.2%**
- **Avg BSR**
- **#164**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **96%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**27**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 94%
**Open market**
**14%**
- Quebec24% - Akynite20% - Bynome16% - Liuyife14% - Ddlisu7% - B4U5% - Open — no brand owns it (9 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -32.9% search growth over the last 90 days.
4K3KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/uk/lighting/4-pin-light-bulbs/trend)
## **Top 4 pin light bulbs search terms**
- **4 pin light bulbs**32K/yr-23.9%7.4% conv. - **4 pin bulb**6K/yr-36.4%9.5% conv. - **4 pin light bulb**4K/yr-41.9%6.1% conv. - **4pin light bulb**6K/yr-61.3%6.9% conv. - **square light bulb**3K/yr-28.4%4.7% conv. - **4 pin led bulb**3K/yr-30.8%2.1% conv. [**All search terms **](https://flapen.com/research/uk/lighting/4-pin-light-bulbs/search-terms)
## **Top 4 pin light bulbs 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.
0%5%£2K10%£4K15%£6K20%£8K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Bynome GR10q 4-Pin 16W CFL Light Bulb 6500K Daylight White 2D 1800LM**Bynome**£6.32**3.9★123 rev](https://www.amazon.co.uk/dp/B0DJX4TH4V) [2**Quebec 16W 2D Square 4-Pin GR8 Cap Compact Fluorescent Lamp Warm White 3500K Non-Dimmable CFL Light Bulb Energy Class A AC 240V DD Flat Butterfly Bulb for Flush Mount Ceiling Lighting 8000 Hours**Quebec**£7.53**4.1★448 rev](https://www.amazon.co.uk/dp/B0DZ2NVD8Q) [3**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**£8.31**4.0★411 rev](https://www.amazon.co.uk/dp/B0DZ2WJZP8) [4**Akynite 13W Energy Saving 4 Pin Compact Fluorescent Lamp CFL G24q-1 4 Pins 830 Warm White 2700k 850LM 2U Shape AC 220-240V 2pcs (protrusions are Aligned)**Akynite**£8.49**4.5★234 rev](https://www.amazon.co.uk/dp/B0CKST4HRM) [5**13W G24q-1 Compact Fluorescent Lamp 4 Pin Warm White 2700K 850LM 2U Double Tube Energy Saving Lamp 220V PLC CFL Light Bulb Non-DimmableSuitable for Corridor Bathroom Bedroom Kitchen 1 Pack**Liuyife**£5.06**4.4★240 rev](https://www.amazon.co.uk/dp/B0D2H555N5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Summalux GR10Q 4 PIN 16W 2D Light Bulb Small 4 Pin Square Bulb CFL Compact Fluorescent Lamp 4 Pins Butterfly Bulb Low Energy Light Bulb for Flush Ceiling Light 3500K Warm White Non-Dimmable**Summalux**£5.43**5 rev6mo ago](https://www.amazon.co.uk/dp/B0GK7DJKZS) [**BrightWish 13W G24q-1 4 Pin Light Bulbs Energy Saving 4 Pin Compact Fluorescent Bulb 830Lm Cool White 4000K 2U Shape Non-Dimmable Suitable for Corridor Bathroom Bedroom Kitchen 2 Pack**BrightWish**£8.34**38 rev8mo ago](https://www.amazon.co.uk/dp/B0FYNF4YW2) [**2PCS 4 Pin G24q-2 18W PLC CFL Compact Fluorescent Lamp Energy Saving Light Bulbs 2U 1500LM Double Tube Warm White 2700K Non-Dimmable AC 220-240V for Bathroom Bedroom Corridor Kitchen Office Hallway**AETPI**£5.74**5 rev9mo ago](https://www.amazon.co.uk/dp/B0FYFHL8LH) [**KENIU Plug & Play LED Bathroom Light Bulbs GR10q 4-Pin 950lm 7w Replacement 2D 3500k 16w CFL Works with ECG/CCG ballasts Instant Start Flicker-Free 50000h (3000K/Warm White)**KENIU**£10.91**84 rev11mo ago](https://www.amazon.co.uk/dp/B0FH1QC7NY) [**BrightWish 13W G24q-1 4 Pin Light Bulbs Compact Fluorescent Lamp CFL Light Bulb Warm White 2700K 2U Double Tube Energy Saving Lamp Non-Dimmable 850LM AC220V-240V 2 Pack**BrightWish**£8.20**38 rev1y ago](https://www.amazon.co.uk/dp/B0FF49YDG9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Summalux GR10Q 4 PIN 16W 2D Light Bulb Small 4 Pin Square Bulb CFL Compact Fluorescent Lamp 4 Pins Butterfly Bulb Low Energy Light Bulb for Flush Ceiling Light 3500K Warm White Non-Dimmable**Summalux**£5.43**3.9★**▲ 506%**](https://www.amazon.co.uk/dp/B0GK7DJKZS) [**JQslight 28W Compact Fluorescent Lamp GR10q 4-Pin BulbCFL Light Bulb 3500K Warm White Non-DimmableAC 220VLow Energy Light Bulb for Flush Ceiling Light1 Pack.**JQslight**£7.69**3.7★**▲ 494%**](https://www.amazon.co.uk/dp/B0D9GHRY9Q) [![PLUSHA 28W 2D Square 4-Pin GR10Q Energy Saving Light Bulb Cool White 3500K | Long-Lasting & Efficient for Home Office Commercial Use | [Energy Class A]](https://m.media-amazon.com/images/I/31lx-XotQBL.jpg)**PLUSHA 28W 2D Square 4-Pin GR10Q Energy Saving Light Bulb Cool White 3500K | Long-Lasting & Efficient for Home Office Commercial Use | \[Energy Class A\]**PLUSHA**£5.88**3.4★**▲ 333%**](https://www.amazon.co.uk/dp/B0DZ24RPBR) [**Bynome GR10q 4-Pin 16W CFL Light Bulb 6500K Daylight White 2D 1800LM**Bynome**£6.32**3.9★**▲ 270%**](https://www.amazon.co.uk/dp/B0DJX4TH4V) [**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**£7.31**4.0★**▲ 180%**](https://www.amazon.co.uk/dp/B0DRBYYSY4)
**~~View all trending →~~**
## **What buyers say about 4 pin light bulbs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**19%
*“Warm glow”*
**Advertised Vs Actual Product**17%
*“As Described”*
**Quality-Overall**16%
*“However, as for build quality, it seems to be decently good - it arrived safe, no chips or damage and it seemed to be well made”*
**Size-Overall**14%
*“as described, perfect fit”*
**Value For Money**13%
*“Excellent value for money”*
**Efficiency**5%
*“Efficient”*
**Assembly/Installation**3%
*“Easy to install”*
**Bulb Flicker/Dimming/Color**1%
*“Bulb works well once the flickering startup has finished”*
**Ease Of Use**1%
*“It is easy”*
**Functionality-Overall**1%
*“It Did the Job i have light in my bathroom”*
### **What buyers complain about **
**Durability**38%
*“Broke after a few months”*
**Quality-Overall**14%
*“Only lasted a couple of months very poor quality”*
**Functionality-Overall**12%
*“My bathroom light stopped working”*
**Bulb Flicker/Dimming/Color**10%
*“A bit of flickering when switched on”*
**Brightness/Shine/Glow**4%
*“now it just omits a very pale red light”*
**Size-Overall**3%
*“Broke when fitting into light fitting”*
**Value For Money**3%
*“Waste of money”*
**Maintenance And Repair**1%
*“trying to arrange replacement a struggle”*
**Strength**1%
*“had came broken once very fragile”*
**Unsustainable Design**1%
*“Build came broken”*
### **Top return reasons **
**Size-Overall**44%
**Functionality-Overall**23%
**Bulb Flicker/Dimming/Color**14%
**Compatibility-Overall**6%
**Brightness/Shine/Glow**3%
**Defective Material/Parts**2%
**Maintenance And Repair**1%
**Durability**1%
**Connectivity-Overall**1%
**Color**1%
## **Common questions**
- **Is 4 pin light bulbs profitable to sell on Amazon United Kingdom?**
- The niche generates £38K/yr across 26 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -32.9%. Flapen's verdict: Skip it (38/100).
- **How competitive is the 4 pin light bulbs niche?**
- 15 brands and 27 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in 4 pin light bulbs?**
- Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 6.0% — above our launch gate.
- **When does demand for 4 pin light bulbs peak?**
- Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the 4 pin light bulbs niche?**
- Listings span £5.06–£10.91; the average listing price is £7.69 (sweet spot $15–$100). The average incumbent carries 293 reviews — the moat a new listing must climb.
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