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.

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.

Growth

Incredible+261.7%

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

Conversion

Incredible18.9%

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

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Review moat

Good1,376.5

avg incumbent reviews — the moat a new listing must climb

Market size

Okay£215K

£215K/yr · 244K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay83%

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

Competition

Bad83%

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 Out of Stock

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

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

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.

Peak months: Jun, Jul · busiest ÷ quietest = 6.1×

Open Trend

Top bayonet to screw bulb adaptor search terms

bayonet to screw bulb adaptor44K/yr +390.7%17.8% conv.
b22 to e27 adapter50K/yr +216.3%10.8% conv.
screw to bayonet bulb adaptor17K/yr +525.6%18.6% conv.
light bulb adapter22K/yr +259.1%11.3% conv.
e27 to b22 adapter25K/yr +128.5%8.0% conv.
bayonet adapter14K/yr +318.1%13.2% conv.
light fitting adapter10K/yr +190.7%10.8% conv.
ceiling fan adapter6K/yr >1,000%5.2% conv.
light bulb adapter bayonet to screw7K/yr +261.2%15.1% conv.
bayonet to e27 adapter7K/yr +104.3%16.3% conv.

All 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.

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

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£5.644.6★4,553 rev

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£4.614.6★105 rev

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£3.364.5★6,876 rev

Chicaya B22 to E27 Converter Bayonet to Screw Base Adapter Light Bulb Socket Converter 3 Pack

Chicaya£4.994.5★691 rev

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£5.014.3★307 rev

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£4.2617 rev

3mo ago

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£5.1711 rev

3mo ago

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£4.61105 rev

11mo ago

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£4.34142 rev

1y ago

Liuyife Pack of 3 B22 to E27 Converter BC to ES Lamp Base Adapter Socket Converter for LED Incandescent and CFL Bulbs

Liuyife£5.38273 rev

1y ago

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 Product23%

“Does the job”

Quality-Overall19%

“Great quality adapter”

Size-Overall13%

“Lights fitting”

Value For Money12%

“Good value”

Ease Of Use7%

“Easy to use”

Assembly/Installation5%

“Great and easy fix”

Brightness/Shine/Glow4%

“Brightness”

Efficiency3%

“Does job well”

Socket/Port/Plug2%

“Saved me changing the socket”

Add-Ons/Attachments2%

“Adapter”

What buyers complain about

Quality-Overall19%

“Quality Control Issues”

Functionality-Overall17%

“Didn't work”

Size-Overall13%

“Didnt fit”

Defective Material/Parts8%

“Very bad, It was broken on first use”

Durability8%

“Broke quickly”

Socket/Port/Plug6%

“also damaged my socket”

Advertised Vs Actual Product6%

“False advertising”

Flammable6%

“sparking pls do not buy could cause fire”

Strength3%

“Very flimsy”

Connectivity-Overall3%

“Didnt connect properly”

Top return reasons

Size-Overall35%