---
title: "Junction Box — £246K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/junction-box"
last_updated: "2026-07-31T09:57:30.522Z"
locale: en
meta:
description: "Niche score 53/100 · £246K/yr market · 546K searches/yr · £7.57 avg price. Soft demand (-17.8% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · £246K/yr market · 546K searches/yr · £7.57 avg price. Soft demand (-17.8% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Junction Box — £246K/yr Amazon UK Niche (2026) - Flapen"
---
# **junction box**
**Worth a look**
Shows low returns (0.8%), but soft demand (-17.8% this quarter) keeps it on the watch list.
Market size 46Growth 16Conversion 66Competition 79Returns 96Price range 35Avg price 21Brand share 63Review moat 68Quality gap 33
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Review moat**
**Good****760.89**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****£246K**
£246K/yr · 546K searches
**Price range**
**Okay****£1.97–£22.00**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£7.57**
avg 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 ~~](https://flapen.com/research/methodology)
## **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.
13K8KBlack Friday '24Holiday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/junction-box/trend)
## **Top junction box search terms**
- **junction box**111K/yr-21.0%3.3% conv. - **wago junction box**85K/yr-43.1%5.3% conv. - **waterproof junction box**42K/yr+1.2%3.8% conv. - **outdoor junction box**37K/yr+5.8%3.7% conv. - **wiska box**30K/yr+3.5%6.1% conv. - **wago box**39K/yr-32.5%6.8% conv. - **electrical junction box**30K/yr-21.4%3.1% conv. - **junction box waterproof**28K/yr-4.8%3.6% conv. - **waterproof junction box outdoor**21K/yr+1.8%5.0% conv. - **ip65 junction box**19K/yr+8.4%3.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/junction-box/search-terms)
## **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.
0%3%£7K6%£15K9%£22K12%£29K101001K10K 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**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**£2.56**4.6★141 rev](https://www.amazon.co.uk/dp/B0DX7FWH28) [2**IP66 External/Outdoor Waterproof Junction Box (86x86x50mm)**ArmaKit**£5.84**4.4★1,000 rev](https://www.amazon.co.uk/dp/B08HZ7LXV2) [3**ABB IP65 Junction Box Fully Dust Sealed Enclosure Waterproof Electric Cable Connector Unit Shockproof Adaptable Indoor/Outdoor Box 105 x 70 x 50mm**ABB**£4.16**4.6★300 rev](https://www.amazon.co.uk/dp/B07CRGS9T2) [4**ABB IP55 Junction Box Waterproof Electric Cable Connector Unit Shockproof Adaptable Electric Box Indoor/Outdoor Box 100 x 100 x 50mm**ABB**£4.05**4.4★413 rev](https://www.amazon.co.uk/dp/B0156QPJNU) [5**Wagobox 221-4 Junction Box Pack of 10 Plastic Gray**Wagobox**£22.00**4.6★191 rev](https://www.amazon.co.uk/dp/B09GB1WNZ4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**£2.56**141 rev1y ago](https://www.amazon.co.uk/dp/B0DX7FWH28) [**IP68 Waterproof Junction Box Outdoor Cable Connector Extension Electrical Cable Protector for Cable Diameter Ø5mm-8mm (Pack of 2)**Malajess**£4.27**1,659 rev3y ago](https://www.amazon.co.uk/dp/B0BB6W3P82) [**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**£5.58**863 rev3y ago](https://www.amazon.co.uk/dp/B0B3RXTPMP) [**30A 3-Terminal Heavy Duty Junction Box Black**Generic**£4.81**397 rev4y ago](https://www.amazon.co.uk/dp/B00XEUC8ZS) [**IP68 Waterproof Junction Box Outdoor Cable Connector Extension Electrical Cable Protector for Cable Diameter Ø5mm-8mm (1 Pack)**Malajess**£3.39**1,675 rev4y ago](https://www.amazon.co.uk/dp/B09WDLB9CR)
**~~View all new products →~~**
### **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**£4.15**4.5★**▲ 214%**](https://www.amazon.co.uk/dp/B00AP2ZHAQ) [**ABB IP44 Water Resistant Cable Connector Unit T Box Hafobox Shockproof Indoor/Outdoor Electric Box 60 x 35mm**ABB**£2.71**4.6★**▲ 163%**](https://www.amazon.co.uk/dp/B01N9Y54OI) [**WAGO WAGOBOX 207-3302 Classic Junction Box Suitable for WAGO 222 & 773 Series Grey Pack of 1**WAGO**£2.31**4.0★**▲ 83%**](https://www.amazon.co.uk/dp/B00NJSXRCS) [**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**£3.40**4.6★**▲ 75%**](https://www.amazon.co.uk/dp/B07KPGDLVB) [**IP68 Waterproof Junction Box Outdoor Cable Connector Extension Electrical Cable Protector for Cable Diameter Ø5mm-8mm (Pack of 2)**Malajess**£4.27**4.6★**▲ 50%**](https://www.amazon.co.uk/dp/B0BB6W3P82)
**~~View all trending →~~**
## **What buyers say about junction box**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“The build quality is immediately noticeable”*
**Advertised Vs Actual Product**14%
*“PRODUCT AS DESCRIBED”*
**Ease Of Use**10%
*“Easy to use”*
**Value For Money**10%
*“Good for the price”*
**Water Resistance**9%
*“Very water proof”*
**Connectivity-Overall**7%
*“Easy to connect up”*
**Size-Overall**5%
*“fit fine”*
**Design-Overall**3%
*“Really good quality and design”*
**Efficiency**2%
*“Does the job great”*
**Compactness**2%
*“Compact design with plenty of room for connections”*
### **What buyers complain about **
**Size-Overall**11%
*“Smaller than expected”*
**Quality-Overall**9%
*“Total rubbish”*
**Strength**7%
*“Box extremely brittle”*
**Value For Money**6%
*“little expensive”*
**Water Resistance**5%
*“Its not waterproof”*
**Instructions/User Manual/Troubleshooting**5%
*“No instructions”*
**Material Quality**4%
*“Made from cheap plastic and abit flimsy”*
**Advertised Vs Actual Product**4%
*“mounting buttons, this is not mentioned in the advert”*
**Ease Of Use**3%
*“Nothing easy to use”*
**Compatibility-Overall**3%
*“5 way Wago 221 do not fit”*
### **Top return reasons **
**Size-Overall**65%
**Compatibility-Overall**6%
**Quality-Overall**5%
**Advertised Vs Actual Product**3%
**Water Resistance**3%
**Functionality-Overall**2%
**Defective Material/Parts**2%
**Strength**2%
**Connectivity-Overall**2%
**Assembly/Installation**1%
## **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.
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