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57

extension lead

Worth a look

Shows a $6.9M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 99Growth 22Conversion 80Competition 63Returns 97Price range 43Avg price 38Brand share 41Review moat 24Quality gap 24

Market size

Incredible£6.9M

£6.9M/yr · 7.9M searches

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great8.2%

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

Competition

Good47%

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

Price range

Okay£4.11–£23.32

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

Brand share

Okay80%

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

Avg price

Okay£10.55

avg listing price — sweet spot $15–$100

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad6,276.44

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-5.1%

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

According to Flapen's Amazon United Kingdom niche tracking, extension lead is a £6.9M/yr Amazon United Kingdom market (7.9M searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Dec. Verdict: Worth a look — 57/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

extension lead market data

Units sold / yr
600K–800K
avg 15,000–20,000/product
Revenue / yr
£6.3M–£8.4M
units × avg price
Conversion rate
8.2%
Avg BSR
#20
Page quality
0%
Prime
100%
Sponsored
89%
Out of stock
2.3%
Avg brand age
45 months
Avg seller age
179 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

75

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

47%

Top 20: 83%

Open market

13%

  • Desiretech25%
  • Status22%
  • HANYCONY17%
  • Wolf Power9%
  • Masterplug8%
  • Addtam7%
  • Open — no brand owns it (8 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.1% search growth over the last 90 days.
250K150KSpike '24Holiday '24Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

Top extension lead search terms

  • extension lead3.9M/yr
  • extension lead with usb slots773K/yr
  • extension cable1.1M/yr
  • plug extension socket475K/yr
  • surge protected extension lead255K/yr
  • extension leads162K/yr
  • socket extensions158K/yr
  • extension cord112K/yr
  • extension lead 2m100K/yr
  • extension lead surge protection86K/yr
All search terms

Top extension lead 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%4%£276K8%£553K12%£829K16%£1.1M101001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about extension lead

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

What buyers love

Quality-Overall22%

“solid build quality”

Value For Money15%

“Excellent Value”

Advertised Vs Actual Product12%

“As advertised”

Socket/Port/Plug10%

“Good socket”

Add-Ons/Attachments7%

“Very neat extension plug”

Ease Of Use5%

“Easy to use”

Strength3%

“Very strong”

Charging3%

“Perfect for charging phones”

Design-Overall3%

“Well built”

Compactness3%

“The tower is compact”

What buyers complain about

Socket/Port/Plug15%

“Doesnt work properly the usb pick”

Quality-Overall15%

“Dangerous product quality”

Durability15%

“Broke in a month”

Charging7%

“USB ports are super slow charging”

Advertised Vs Actual Product6%

“Not as Described”

Functionality-Overall4%

“my fan stopped working”

Size-Overall4%

“Tight fit”

Strength3%

“Cheap and flimsy”

Noise Level2%

“Annoying noise”

Add-Ons/Attachments2%

“This extension simply isn't safe”

Top return reasons

Size-Overall22%
Socket/Port/Plug15%
Functionality-Overall13%
Defective Material/Parts7%
Quality-Overall5%
Advertised Vs Actual Product5%
Charging4%
Compatibility-Overall3%
Add-Ons/Attachments3%
Value For Money2%

Common questions

Is extension lead profitable to sell on Amazon United Kingdom?
The niche generates £6.9M/yr across 36 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -5.1%. Flapen's verdict: Worth a look (57/100).
How competitive is the extension lead niche?
14 brands and 75 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in extension lead?
Top complaints mined from reviews: Socket/Port/Plug, Quality-Overall, Durability. The return rate is 0.6%.
When does demand for extension lead peak?
Demand peaks in Dec; the busiest month runs 1.6× the quietest.
What does it cost to enter the extension lead niche?
Listings span £4.11–£23.32; the average listing price is £10.55 (sweet spot $15–$100). The average incumbent carries 6,276 reviews — the moat a new listing must climb.