---
title: "Waterproof Box — £172K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/waterproof-box"
last_updated: "2026-07-31T08:31:13.005Z"
locale: en
meta:
description: "Niche score 47/100 · £172K/yr market · 338K searches/yr · £11.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £172K/yr market · 338K searches/yr · £11.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Waterproof Box — £172K/yr Amazon UK Niche (2026) - Flapen"
---
# **waterproof box**
**Skip it**
A deep review moat (3,409 avg reviews) — this niche doesn't clear our bar today.
Market size 35Growth 57Conversion 53Competition 60Returns 63Price range 31Avg price 49Brand share 34Review moat 31Quality gap 33
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Good****+30.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Good****4.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****£11.82**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£172K**
£172K/yr · 338K searches
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,408.79**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£4.05–£20.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, waterproof box is a £172K/yr Amazon United Kingdom market (338K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 47/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **waterproof box market data**
- **Units sold / yr**
- **15K–20K**
- avg 500–750/product
- **Revenue / yr**
- **£177K–£236K**
- units × avg price
- **Conversion rate**
- **4.3%**
- **Avg BSR**
- **#8**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **96%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**53**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 95%
**Open market**
**9%**
- Masterplug36% - Desiretech18% - Hrensaw13% - Restmo10% - ABB8% - SLx6% - Open — no brand owns it (5 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +30.9% search growth over the last 90 days.
25K15KHoliday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 5.1×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/waterproof-box/trend)
## **Top waterproof box search terms**
- **outdoor electrical box waterproof**46K/yr+50.5%4.6% conv. - **waterproof box**39K/yr+8.9%1.7% conv. - **waterproof electrical box**36K/yr+24.1%4.0% conv. - **weatherproof electrical box**35K/yr+43.3%4.1% conv. - **outdoor electrical box**24K/yr+24.6%3.5% conv. - **outdoor waterproof electrical box**12K/yr+44.6%3.8% conv. - **electrical box**16K/yr-8.3%1.0% conv. - **waterproof box for outdoor electrics**16K/yr+46.4%4.4% conv. - **waterproof plug box**6K/yr+229.9%5.1% conv. - **electric box**13K/yr-7.0%0.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/waterproof-box/search-terms)
## **Top waterproof 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%5%£9K10%£17K15%£26K20%£34K101001K10K100K 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**Masterplug WBX-MS Weatherproof Electric Box for Outdoors 345 x 220 x 126.5 mm Grey**Masterplug**£9.70**4.6★6,595 rev](https://www.amazon.co.uk/dp/B00B0X8CYC) [2**Desiretech Weatherproof Outdoor Electric Box IP54 Rated Heavy-Duty Power Supply for Garden Tools DIY and Outdoor Lighting**Desiretech**£12.09**4.5★359 rev](https://www.amazon.co.uk/dp/B0DJDN839B) [3**Masterplug Collapsible Electrical Connection Box Cable Enclosure with 4 Plug Socket 8m Extension Lead Weatherproof Outdoor H154mm x W376mm x D230mm Black IP54 WBCBBFG8B**Masterplug**£16.68**4.7★341 rev](https://www.amazon.co.uk/dp/B0DCBQRLMR) [4**Hrensaw Small Weatherproof Electrical Connection Box(Inner 5.5 x 3 x 2.2inch) Outdoor Electrical Box Waterproof Extension Cord Covers for Plug Extension Cables Holiday Lights Black**Hrensaw**£11.10**4.5★2,884 rev](https://www.amazon.co.uk/dp/B0C5X3DJ1Z) [5**Masterplug WBXBFG10B-MP Weatherproof Electric Box for Outdoors with Four Socket 10 Metre Extension Lead 351 x 220 x 126.5 mm Dark Grey**Masterplug**£17.03**4.6★8,624 rev](https://www.amazon.co.uk/dp/B0062GTL42)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**IP65 Weatherproof Medium Outdoor Electrical Box(26.3x13.5x9.8CM) 6 Cable Outlets Extension Lead Cover with Detachable Ground Stakes for Power Strip/Holiday Lights/Socket/Timer Black**Starxing**£11.67**41 rev3mo ago](https://www.amazon.co.uk/dp/B0GLNF39J8) [**SLx Small Weatherproof Outdoor Electrical Box for Christmas Lights Extension Leads Reels Transformers Fuse Box Cover IP56 Water-Resistant Certified Silicone Mould Small Box 29.5 x 11 x 15.5cm**SLx**£9.68**14 rev9mo ago](https://www.amazon.co.uk/dp/B0FXGJMNWC) [**Desiretech Weatherproof Outdoor Electric Box IP54 Rated Heavy-Duty Power Supply for Garden Tools Christmas Lights and DIY Tasks (Electrical Box Only Small)**Desiretech**£8.38**359 rev10mo ago](https://www.amazon.co.uk/dp/B0FP5S1TJL) [**iwillink Large Outdoor Electrical Box (12.6 x 8.6 x 5.1 inch) IP54 Waterproof Extension Cord Cover Weatherproof with 8 Cable Seal Entry Power Strip Timer Outlet Plug Holiday Light Black**iwillink**£15.00**83 rev1y ago](https://www.amazon.co.uk/dp/B0F9WTWS1T) [**Innfeeltech 1 Pcs Electrical Junction Box Waterproof Outdoor Waterproof Cable Connection Box LF-2068-2H 2 Ways for Wire Diameter 3.5 to 10mm**Innfeeltech**£6.71**90 rev1y ago](https://www.amazon.co.uk/dp/B0F5974YGK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**IP65 Weatherproof Medium Outdoor Electrical Box(26.3x13.5x9.8CM) 6 Cable Outlets Extension Lead Cover with Detachable Ground Stakes for Power Strip/Holiday Lights/Socket/Timer Black**Starxing**£11.67**4.6★**▲ 347%**](https://www.amazon.co.uk/dp/B0GLNF39J8) [**SLx Small Weatherproof Outdoor Electrical Box for Christmas Lights Extension Leads Reels Transformers Fuse Box Cover IP56 Water-Resistant Certified Silicone Mould Small Box 29.5 x 11 x 15.5cm**SLx**£9.68**4.8★**▲ 310%**](https://www.amazon.co.uk/dp/B0FXGJMNWC) [**Innfeeltech 1 Pcs Electrical Junction Box Waterproof Outdoor Waterproof Cable Connection Box LF-2068-2H 2 Ways for Wire Diameter 3.5 to 10mm**Innfeeltech**£6.71**4.6★**▲ 136%**](https://www.amazon.co.uk/dp/B0F5974YGK) [**RESTMO IP54 Weatherproof Electrical Box (29 × 13.2 × 10cm) Outdoor Waterproof Box for Multi Plug Extension Lead Protect Outlet Plug Christmas String Lights from Water Snow Dust Black**Restmo**£14.50**4.5★**▲ 82%**](https://www.amazon.co.uk/dp/B0DHSP4MR6) [**iwillink Large Outdoor Electrical Box (12.6 x 8.6 x 5.1 inch) IP54 Waterproof Extension Cord Cover Weatherproof with 8 Cable Seal Entry Power Strip Timer Outlet Plug Holiday Light Black**iwillink**£15.00**4.8★**▲ 67%**](https://www.amazon.co.uk/dp/B0F9WTWS1T)
**~~View all trending →~~**
## **What buyers say about waterproof box**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Excellent quality”*
**Value For Money**10%
*“Excellent value for money”*
**Size-Overall**10%
*“Easy fit”*
**Water Resistance**10%
*“Seems waterproof”*
**Advertised Vs Actual Product**10%
*“It does the job”*
**Strength**7%
*“the clips feel sturdy”*
**Weather Proof**6%
*“Weather proof electrical box”*
**Socket/Port/Plug**3%
*“Does exactly what is promised - extension socket”*
**Efficiency**3%
*“does the job”*
**Ease Of Use**3%
*“Easy to use”*
### **What buyers complain about **
**Water Resistance**19%
*“Not Waterproof”*
**Size-Overall**15%
*“Bigger”*
**Durability**9%
*“this one didnt last ten minutes”*
**Value For Money**7%
*“A bit flimsy for the money”*
**Quality-Overall**5%
*“Guess it is due to the poor QC control”*
**Strength**5%
*“Very fragile”*
**Leak-Proof**4%
*“there is a leakage in the boxes”*
**Advertised Vs Actual Product**3%
*“However, false advertisement aside:”*
**Thickness**3%
*“The plastic shell is quite thin so when you do fasten all clasps the box bows in slightly”*
**Instructions/User Manual/Troubleshooting**2%
*“As per the instructions there's just no give whatsoever”*
### **Top return reasons **
**Size-Overall**77%
**Water Resistance**3%
**Add-Ons/Attachments**2%
**Defective Material/Parts**2%
**Socket/Port/Plug**2%
**Compatibility-Overall**2%
**Advertised Vs Actual Product**2%
**Functionality-Overall**1%
**Strength**1%
**Quality-Overall**1%
## **Common questions**
- **Is waterproof box profitable to sell on Amazon United Kingdom?**
- The niche generates £172K/yr across 24 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +30.9%. Flapen's verdict: Skip it (47/100).
- **How competitive is the waterproof box niche?**
- 11 brands and 53 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in waterproof box?**
- Top complaints mined from reviews: Water Resistance, Size-Overall, Durability. The return rate is 2.5%.
- **When does demand for waterproof box peak?**
- Demand peaks in Nov–Dec; the busiest month runs 5.1× the quietest.
- **What does it cost to enter the waterproof box niche?**
- Listings span £4.05–£20.01; the average listing price is £11.82 (sweet spot $15–$100). The average incumbent carries 3,409 reviews — the moat a new listing must climb.
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