junction box
Worth a lookShows low returns (0.8%), but soft demand (-17.8% this quarter) keeps it on the watch list.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Competition
Great36%top-5 click share — an open shelf
Review moat
Good760.89avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Brand share
Good67%top-5 brand share — brands hold most of the demand
Market size
Okay£246K£246K/yr · 546K searches
Price range
Okay£1.97–£22.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Bad£7.57avg listing price — sweet spot $15–$100
Growth
Bad-17.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, junction box is a £246K/yr Amazon United Kingdom market (546K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
junction box market data
- Units sold / yr
- 50K–60K
- avg 750–1,000/product
- Revenue / yr
- £379K–£454K
- units × avg price
- Conversion rate
- 5.9%
- Avg BSR
- #43
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 67%
- Out of stock
- 2.9%
- Avg brand age
- 44 months
- Avg seller age
- 170 days
Competition & brand share
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.Brands
23 falling
Sellers
76
Top-5 brand share
67%
Top 20: 98%
Top-5 click share
36%
Top 20: 71%
Open market
29%
- ABB24%
- WAGO22%
- ArmaKit11%
- Wagobox6%
- WISKA5%
- Newoutset4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -17.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top junction box search terms
- junction box111K/yr
- wago junction box85K/yr
- waterproof junction box42K/yr
- outdoor junction box37K/yr
- wiska box30K/yr
- wago box39K/yr
- electrical junction box30K/yr
- junction box waterproof28K/yr
- waterproof junction box outdoor21K/yr
- ip65 junction box19K/yr
Top junction box 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WAGO WAGOBOX Pro 4 207-3323 Maintenance free Junction Box Enclosure Suitable for all WAGO 4mm 221 Lever Connectors and all 2773 Push-wire Single Row Connectors White Pack of 1.
WAGO£2.564.6★141 rev
IP66 External/Outdoor Waterproof Junction Box (86x86x50mm)
ArmaKit£5.844.4★1,000 rev
ABB IP65 Junction Box Fully Dust Sealed Enclosure Waterproof Electric Cable Connector Unit Shockproof Adaptable Indoor/Outdoor Box 105 x 70 x 50mm
ABB£4.164.6★300 rev
ABB IP55 Junction Box Waterproof Electric Cable Connector Unit Shockproof Adaptable Electric Box Indoor/Outdoor Box 100 x 100 x 50mm
ABB£4.054.4★413 rev
Wagobox 221-4 Junction Box Pack of 10 Plastic Gray
Wagobox£22.004.6★191 rev
Newest
by launch dateWAGO WAGOBOX Pro 4 207-3323 Maintenance free Junction Box Enclosure Suitable for all WAGO 4mm 221 Lever Connectors and all 2773 Push-wire Single Row Connectors White Pack of 1.
WAGO£2.56141 rev
IP68 Waterproof Junction Box Outdoor Cable Connector Extension Electrical Cable Protector for Cable Diameter Ø5mm-8mm (Pack of 2)
Malajess£4.271,659 rev
2 Pcs IP68 Waterproof Junction Boxes 2-Way Outdoor Electrical Cable Connectors Boxes External Sleeve Protection Box Line M20 Cable Wire Connectors Wire Range 5-9mm & 9-12mm
Newoutset£5.58863 rev
30A 3-Terminal Heavy Duty Junction Box Black
Generic£4.81397 rev
IP68 Waterproof Junction Box Outdoor Cable Connector Extension Electrical Cable Protector for Cable Diameter Ø5mm-8mm (1 Pack)
Malajess£3.391,675 rev
Trending
90-day click momentum
ABB IP55 Junction Box Waterproof Electric Cable Connector Unit Cable Glands Included Shockproof Adaptable Electric Box Indoor/Outdoor Box 105 x 105 x 85mm
ABB£4.154.5★
ABB IP44 Water Resistant Cable Connector Unit T Box Hafobox Shockproof Indoor/Outdoor Electric Box 60 x 35mm
ABB£2.714.6★
WAGO WAGOBOX 207-3302 Classic Junction Box Suitable for WAGO 222 & 773 Series Grey Pack of 1
WAGO£2.314.0★
WAGO WAGOBOX XLA Junction Box Suitable for WAGO 222 and 773 Series for Multicore Cables max. 4 mm Connectors up to 32 Amp 450 Volt 207-3305 Grey Pack of 1
WAGO£3.404.6★
IP68 Waterproof Junction Box Outdoor Cable Connector Extension Electrical Cable Protector for Cable Diameter Ø5mm-8mm (Pack of 2)
Malajess£4.274.6★
What buyers say about junction box
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality is immediately noticeable”
“PRODUCT AS DESCRIBED”
“Easy to use”
“Good for the price”
“Very water proof”
“Easy to connect up”
“fit fine”
“Really good quality and design”
“Does the job great”
“Compact design with plenty of room for connections”
What buyers complain about
“Smaller than expected”
“Total rubbish”
“Box extremely brittle”
“little expensive”
“Its not waterproof”
“No instructions”
“Made from cheap plastic and abit flimsy”
“mounting buttons, this is not mentioned in the advert”
“Nothing easy to use”
“5 way Wago 221 do not fit”
Top return reasons
Common questions
- Is junction box profitable to sell on Amazon United Kingdom?
- The niche generates £246K/yr across 45 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -17.8%. Flapen's verdict: Worth a look (53/100).
- How competitive is the junction box niche?
- 23 brands and 76 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in junction box?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Strength. The return rate is 0.8%.
- When does demand for junction box peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the junction box niche?
- Listings span £1.97–£22.00; the average listing price is £7.57 (sweet spot $15–$100). The average incumbent carries 761 reviews — the moat a new listing must climb.