---
title: "Bayonet to Screw Bulb Adaptor — £215K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/bayonet-to-screw-bulb-adaptor"
last_updated: "2026-07-31T07:24:24.462Z"
locale: en
meta:
description: "Niche score 54/100 · £215K/yr market · 244K searches/yr. Prices mostly outside the sweet spot ($3.36–$5.64) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £215K/yr market · 244K searches/yr. Prices mostly outside the sweet spot ($3.36–$5.64) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bayonet to Screw Bulb Adaptor — £215K/yr Amazon UK Niche (2026) - Flapen"
---
# **bayonet to screw bulb adaptor**
**Worth a look**
Shows demand growing +261.7% this quarter, but prices mostly outside the sweet spot ($3.36–$5.64) keeps it on the watch list.
Market size 41Growth 99Conversion 99Competition 15Returns 96Price range 0Avg price 13Brand share 37Review moat 53Quality gap 40
**Growth**
**Incredible****+261.7%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****18.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,376.5**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£215K**
£215K/yr · 244K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
**Avg price**
**Bad****£4.66**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£3.36–£5.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United Kingdom niche tracking, bayonet to screw bulb adaptor is a £215K/yr Amazon United Kingdom market (244K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 54/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bayonet to screw bulb adaptor market data**
- **Units sold / yr**
- **30K–40K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **£140K–£186K**
- units × avg price
- **Conversion rate**
- **18.9%**
- **Avg BSR**
- **#248**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **10.0%**
- **Avg brand age**
- **27 months**
- **Avg seller age**
- **193 days**
## **Competition & brand share**
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**83%**
Top 20: 100%
**Open market**
**12%**
- DiCUNO51% - Gerhua10% - Lyyt8% - Chicaya7% - J U H U T O N G7% - BYSMAH6% - Open — no brand owns it (3 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +261.7% search growth over the last 90 days.
25K15KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 6.1×
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/bayonet-to-screw-bulb-adaptor/trend)
## **Top bayonet to screw bulb adaptor search terms**
- **bayonet to screw bulb adaptor**44K/yr+390.7%17.8% conv. - **b22 to e27 adapter**50K/yr+216.3%10.8% conv. - **screw to bayonet bulb adaptor**17K/yr+525.6%18.6% conv. - **light bulb adapter**22K/yr+259.1%11.3% conv. - **e27 to b22 adapter**25K/yr+128.5%8.0% conv. - **bayonet adapter**14K/yr+318.1%13.2% conv. - **light fitting adapter**10K/yr+190.7%10.8% conv. - **ceiling fan adapter**6K/yr>1,000%5.2% conv. - **light bulb adapter bayonet to screw**7K/yr+261.2%15.1% conv. - **bayonet to e27 adapter**7K/yr+104.3%16.3% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/bayonet-to-screw-bulb-adaptor/search-terms)
## **Top bayonet to screw bulb adaptor 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%15%£32K30%£64K45%£97K60%£129K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**DiCUNO B22 to E27 Socket Converter Socket Adapter Bayonet to Screw Edison BC to ES Lamp Base Adapter for LED Bulbs and Incandescent Bulbs and CFL Bulbs-2 Packs**DiCUNO**£5.64**4.6★4,553 rev](https://www.amazon.co.uk/dp/B09QHHZZM1) [2**Gerhua B22 to E27 Adapter Socket Converter Bayonet to Screw Bulb Adaptor Ceiling Fan Light Fitting Converter for LED/Incandescent Bulbs Screw to Bayonet Socket Adaptor**Gerhua**£4.61**4.6★105 rev](https://www.amazon.co.uk/dp/B0FLYC81PG) [3**Lyyt Lamp Socket Converter B22 to E27 Fitting Convert Bayonet to Edison Light Bulb Socket Converter Lamp Fitting Adapter for LED Halogen CFL UK Standard**Lyyt**£3.36**4.5★6,876 rev](https://www.amazon.co.uk/dp/B003GSK5O4) [4**Chicaya B22 to E27 Converter Bayonet to Screw Base Adapter Light Bulb Socket Converter 3 Pack**Chicaya**£4.99**4.5★691 rev](https://www.amazon.co.uk/dp/B08YY7L6H9) [5**J U H U T O N G B22 to E27 Adapter-6PCS Bayonet to Screw Bulb Adaptor Light Bulb Adapter BC to ES Lamp Base Adapterfor LED Incandescent CFL Bulbs**J U H U T O N G**£5.01**4.3★307 rev](https://www.amazon.co.uk/dp/B0BL2797P4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BYSMAH B22 to E27 Adapter Bayonet to Screw Bulb Adaptor Fitting for Ceiling Fan Light Bulb BC to ES Lamp Base Socket Converter for LED and Incandescent and CFL Bulbs**BYSMAH**£4.26**17 rev3mo ago](https://www.amazon.co.uk/dp/B0GWFHL5YF) [**BYSMAH B22 to E27 Adapter 2 Pack Bayonet to Screw Bulb Adaptor Fitting for Ceiling Fan Light Bulb BC to ES Lamp Base Socket Converter for LED and Incandescent and CFL Bulbs**BYSMAH**£5.17**11 rev3mo ago](https://www.amazon.co.uk/dp/B0GWF7L5XM) [**Gerhua B22 to E27 Adapter Socket Converter Bayonet to Screw Bulb Adaptor Ceiling Fan Light Fitting Converter for LED/Incandescent Bulbs Screw to Bayonet Socket Adaptor**Gerhua**£4.61**105 rev11mo ago](https://www.amazon.co.uk/dp/B0FLYC81PG) [**B22 To E27 Adapter Bayonet To Screw Bulb Adaptor For Ceiling E27 To B22 Adapter For Light Bulb Bayonet To Edison Screw Adaptor Light Socket**HMADAL**£4.34**142 rev1y ago](https://www.amazon.co.uk/dp/B0DPSVGQPB) [**Liuyife Pack of 3 B22 to E27 Converter BC to ES Lamp Base Adapter Socket Converter for LED Incandescent and CFL Bulbs**Liuyife**£5.38**273 rev1y ago](https://www.amazon.co.uk/dp/B0DBKXJ8PP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BYSMAH B22 to E27 Adapter 2 Pack Bayonet to Screw Bulb Adaptor Fitting for Ceiling Fan Light Bulb BC to ES Lamp Base Socket Converter for LED and Incandescent and CFL Bulbs**BYSMAH**£5.17**4.8★**▲ 96%**](https://www.amazon.co.uk/dp/B0GWF7L5XM) [**BYSMAH B22 to E27 Adapter Bayonet to Screw Bulb Adaptor Fitting for Ceiling Fan Light Bulb BC to ES Lamp Base Socket Converter for LED and Incandescent and CFL Bulbs**BYSMAH**£4.26**4.5★**▲ 95%**](https://www.amazon.co.uk/dp/B0GWFHL5YF) [**Lyyt Lamp Socket Converter B22 to E27 Fitting Convert Bayonet to Edison Light Bulb Socket Converter Lamp Fitting Adapter for LED Halogen CFL UK Standard**Lyyt**£3.36**4.5★**▲ 69%**](https://www.amazon.co.uk/dp/B003GSK5O4) [**Gerhua B22 to E27 Adapter Socket Converter Bayonet to Screw Bulb Adaptor Ceiling Fan Light Fitting Converter for LED/Incandescent Bulbs Screw to Bayonet Socket Adaptor**Gerhua**£4.61**4.6★**▲ 45%**](https://www.amazon.co.uk/dp/B0FLYC81PG) [**Chicaya B22 to E27 Converter Bayonet to Screw Base Adapter Light Bulb Socket Converter 3 Pack**Chicaya**£4.99**4.5★**▲ 15%**](https://www.amazon.co.uk/dp/B08YY7L6H9)
**~~View all trending →~~**
## **What buyers say about bayonet to screw bulb adaptor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**23%
*“Does the job”*
**Quality-Overall**19%
*“Great quality adapter”*
**Size-Overall**13%
*“Lights fitting”*
**Value For Money**12%
*“Good value”*
**Ease Of Use**7%
*“Easy to use”*
**Assembly/Installation**5%
*“Great and easy fix”*
**Brightness/Shine/Glow**4%
*“Brightness”*
**Efficiency**3%
*“Does job well”*
**Socket/Port/Plug**2%
*“Saved me changing the socket”*
**Add-Ons/Attachments**2%
*“Adapter”*
### **What buyers complain about **
**Quality-Overall**19%
*“Quality Control Issues”*
**Functionality-Overall**17%
*“Didn't work”*
**Size-Overall**13%
*“Didnt fit”*
**Defective Material/Parts**8%
*“Very bad, It was broken on first use”*
**Durability**8%
*“Broke quickly”*
**Socket/Port/Plug**6%
*“also damaged my socket”*
**Advertised Vs Actual Product**6%
*“False advertising”*
**Flammable**6%
*“sparking pls do not buy could cause fire”*
**Strength**3%
*“Very flimsy”*
**Connectivity-Overall**3%
*“Didnt connect properly”*
### **Top return reasons **
**Size-Overall**35%
**Functionality-Overall**17%
**Compatibility-Overall**14%
**Defective Material/Parts**8%
**Quality-Overall**6%
**Advertised Vs Actual Product**4%
**Connectivity-Overall**3%
**Product Condition**2%
**Add-Ons/Attachments**2%
**Socket/Port/Plug**2%
## **Common questions**
- **Is bayonet to screw bulb adaptor profitable to sell on Amazon United Kingdom?**
- The niche generates £215K/yr across 10 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +261.7%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the bayonet to screw bulb adaptor niche?**
- 9 brands and 30 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in bayonet to screw bulb adaptor?**
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Size-Overall. The return rate is 0.8%.
- **When does demand for bayonet to screw bulb adaptor peak?**
- Demand peaks in Jun–Jul; the busiest month runs 6.1× the quietest.
- **What does it cost to enter the bayonet to screw bulb adaptor niche?**
- Listings span £3.36–£5.64; the average listing price is £4.66 (sweet spot $15–$100). The average incumbent carries 1,377 reviews — the moat a new listing must climb.
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