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.

waterproof box

Skip it

A deep review moat (3,409 avg reviews) — this niche doesn't clear our bar today.

Returns

Good2.5%

return rate — above 5% kills the launch gate

Competition

Good49%

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

Growth

Good+30.9%

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

Conversion

Good4.3%

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

Okay85%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,408.79

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

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

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

49%

Top 20: 95%

Open market

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.

Peak months: Nov, Dec · busiest ÷ quietest = 5.1×

Open Trend

Top waterproof box search terms

outdoor electrical box waterproof46K/yr +50.5%4.6% conv.
waterproof box39K/yr +8.9%1.7% conv.
waterproof electrical box36K/yr +24.1%4.0% conv.
weatherproof electrical box35K/yr +43.3%4.1% conv.
outdoor electrical box24K/yr +24.6%3.5% conv.
outdoor waterproof electrical box12K/yr +44.6%3.8% conv.
electrical box16K/yr -8.3%1.0% conv.
waterproof box for outdoor electrics16K/yr +46.4%4.4% conv.
waterproof plug box6K/yr +229.9%5.1% conv.
electric box13K/yr -7.0%0.9% conv.

All 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.

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

Masterplug WBX-MS Weatherproof Electric Box for Outdoors 345 x 220 x 126.5 mm Grey

Masterplug£9.704.6★6,595 rev

Desiretech Weatherproof Outdoor Electric Box IP54 Rated Heavy-Duty Power Supply for Garden Tools DIY and Outdoor Lighting

Desiretech£12.094.5★359 rev

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£16.684.7★341 rev

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£11.104.5★2,884 rev

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£17.034.6★8,624 rev

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£11.6741 rev

3mo ago

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£9.6814 rev

9mo ago

Desiretech Weatherproof Outdoor Electric Box IP54 Rated Heavy-Duty Power Supply for Garden Tools Christmas Lights and DIY Tasks (Electrical Box Only Small)

Desiretech£8.38359 rev

10mo ago

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£15.0083 rev

1y ago

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£6.7190 rev

1y ago

What buyers say about waterproof box

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

What buyers love

Quality-Overall18%

“Excellent quality”

Value For Money10%

“Excellent value for money”

Size-Overall10%

“Easy fit”

Water Resistance10%

“Seems waterproof”

Advertised Vs Actual Product10%

“It does the job”

Strength7%

“the clips feel sturdy”

Weather Proof6%

“Weather proof electrical box”

Socket/Port/Plug3%

“Does exactly what is promised - extension socket”

Efficiency3%

“does the job”

Ease Of Use3%

“Easy to use”

What buyers complain about

Water Resistance19%

“Not Waterproof”

Size-Overall15%

“Bigger”

Durability9%

“this one didnt last ten minutes”

Value For Money7%

“A bit flimsy for the money”

Quality-Overall5%

“Guess it is due to the poor QC control”

Strength5%

“Very fragile”

Leak-Proof4%

“there is a leakage in the boxes”

Advertised Vs Actual Product3%

“However, false advertisement aside:”

Thickness3%

“The plastic shell is quite thin so when you do fasten all clasps the box bows in slightly”

Instructions/User Manual/Troubleshooting2%

“As per the instructions there's just no give whatsoever”

Top return reasons

Size-Overall77%

Water Resistance3%

Add-Ons/Attachments2%

Defective Material/Parts2%

Socket/Port/Plug2%

Compatibility-Overall2%

Advertised Vs Actual Product2%

Functionality-Overall1%

Strength1%

Quality-Overall1%

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.