---
title: "Rainwater Diverter Kit — £29K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/rainwater-diverter-kit"
last_updated: "2026-07-31T12:42:50.864Z"
locale: en
meta:
description: "Niche score 60/100 · £29K/yr market · 60K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · £29K/yr market · 60K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Rainwater Diverter Kit — £29K/yr Amazon UK Niche (2026) - Flapen"
---
# **rainwater diverter kit**
**Worth a look**
Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 7Growth 85Conversion 48Competition 65Returns 96Price range 28Avg price 57Brand share 81Review moat 91Quality gap 57
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****185.08**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Great****+83.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Great****54%**
top-5 brand share — no brand owns this niche
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£12.82**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****£8.72–£17.46**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£29K**
£29K/yr · 60K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United Kingdom niche tracking, rainwater diverter kit is a £29K/yr Amazon United Kingdom market (60K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 60/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rainwater diverter kit market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **£26K–£32K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#490**
- **Page quality**
- **0%**
- **Prime**
- **58%**
- **Sponsored**
- **54%**
- **Out of stock**
- **11.8%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**41**
**Top-5 brand share**
**54%**
Top 20: 99%
**Top-5 click share**
**46%**
Top 20: 94%
**Open market**
**41%**
- FloPlast17% - Karrma Ltd.14% - Thirrni10% - ANGIX7% - AXXTAN5% - DBS5%
## **Demand & seasonality**
Weekly Amazon search volume, last 53 weeks — +83.9% search growth over the last 90 days.
2K2KSpike '25Spike '26 seasonAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 6.8×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/rainwater-diverter-kit/trend)
## **Top rainwater diverter kit search terms**
- **rainwater diverter kit**26K/yr+81.4%3.1% conv. - **water butt diverter kit**10K/yr+67.5%4.9% conv. - **rainwater diverter**9K/yr+105.4%2.1% conv. - **rain water diverter kit black**5K/yr+121.6%3.0% conv. - **down pipe water butt diverter**4K/yr+158.2%4.3% conv. - **rain diverter square downpipe**4K/yr+85.0%2.5% conv. - **downpipe diverter**3K/yr+11.6%3.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/rainwater-diverter-kit/search-terms)
## **Top rainwater diverter kit 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%£1K8%£2K12%£4K16%£5K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Karrma Ltd Water Butt Diverter Kit | Water Butt Filler Kit fits both Round and Square Downpipes | Connects downpipe to water butt | Saves water and the environment**Karrma Ltd.**£9.94**4.5★330 rev](https://www.amazon.co.uk/dp/B08W265QV4) [2**FloPlast RVS1B Rainwater Diverter - Black**FloPlast**£11.11**4.6★922 rev](https://www.amazon.co.uk/dp/B004NOZO6O) [3**ANGIX | Water Butt Diverter Kit | Easy to Connects Downpipe to Water Butt | Plastic Material | Water Butt Diverter Kit Fits Both Round and Square Downpipes**ANGIX**£8.72**4.3★144 rev](https://www.amazon.co.uk/dp/B0C1SWZDXG) [4**Rainwater Diverter Kit Water Butt Filler with 100cm Hose Rainwater Collector System for Outdoor Use Connects Downpipe to Water Butt Easy Install Rain Barrel Connector Kit Fits Round Downpipes**Thirrni**£16.60**4.4★31 rev](https://www.amazon.co.uk/dp/B0GFW6N88D) [5**AXXTAN Water Butt Diverter Kit Black Easy Connect Downpipe to Water Butt Rainwater Collector Plastic Hose Diverter Fits Round and Square Downpipes for Garden Water Harvesting System**AXXTAN**£8.85**4.1★6 rev](https://www.amazon.co.uk/dp/B0GFF55N8D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Rainwater Diverter Kit Water Butt Filler with 100cm Hose Rainwater Collector System for Outdoor Use Connects Downpipe to Water Butt Easy Install Rain Barrel Connector Kit Fits Round Downpipes**Thirrni**£15.41**31 rev3mo ago](https://www.amazon.co.uk/dp/B0GVY88P4F) [**Rainwater Diverter Kit - Downpipe Water Butt Connector - Fits Round & Square PVC Downpipes - Black Plastic Rectangular Rainwater Diverter with Tap**KetoPlastics**£9.97**9 rev5mo ago](https://www.amazon.co.uk/dp/B0GLJ6FP8Z) [**Rainwater Diverter Kit Water Butt Filler with 100cm Hose Rainwater Collector System for Outdoor Use Connects Downpipe to Water Butt Easy Install Rain Barrel Connector Kit Fits Round Downpipes**Thirrni**£16.60**31 rev6mo ago](https://www.amazon.co.uk/dp/B0GFW6N88D) [**AXXTAN Water Butt Diverter Kit Black Easy Connect Downpipe to Water Butt Rainwater Collector Plastic Hose Diverter Fits Round and Square Downpipes for Garden Water Harvesting System**AXXTAN**£8.85**6 rev6mo ago](https://www.amazon.co.uk/dp/B0GFF55N8D) [**AOOWU Rainwater Diverter Kit Water Butt Filler Kit for Downpipe Water Butt Connector Kit Connects Downpipe to Water Butt Water Collection System Catch Rain Water for Outdoor Fits Round Downpipes**AOOWU**£12.27**12 rev6mo ago](https://www.amazon.co.uk/dp/B0GCZZXBHD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Rainwater Diverter Kit Water Butt Filler with 100cm Hose Rainwater Collector System for Outdoor Use Connects Downpipe to Water Butt Easy Install Rain Barrel Connector Kit Fits Round Downpipes**Thirrni**£15.41**4.4★**▲ 123%**](https://www.amazon.co.uk/dp/B0GVY88P4F) [**Rain Diverter Kit Universal Water Butt Diverter for Plastic Down Pipes**W-Direct**£10.92**4.9★**▲ 93%**](https://www.amazon.co.uk/dp/B0G8TZFD32) [**AXXTAN Water Butt Diverter Kit Black Easy Connect Downpipe to Water Butt Rainwater Collector Plastic Hose Diverter Fits Round and Square Downpipes for Garden Water Harvesting System**AXXTAN**£8.85**4.1★**▲ 78%**](https://www.amazon.co.uk/dp/B0GFF55N8D) [**Rainwater Diverter Kit Water Butt Filler with 100cm Hose Rainwater Collector System for Outdoor Use Connects Downpipe to Water Butt Easy Install Rain Barrel Connector Kit Fits Round Downpipes**Thirrni**£16.60**4.4★**▲ 59%**](https://www.amazon.co.uk/dp/B0GFW6N88D) [**Rainwater Diverter Kit - Downpipe Water Butt Connector - Fits Round & Square PVC Downpipes - Black Plastic Rectangular Rainwater Diverter with Tap**KetoPlastics**£9.97**3.9★**▲ 55%**](https://www.amazon.co.uk/dp/B0GLJ6FP8Z)
**~~View all trending →~~**
## **What buyers say about rainwater diverter kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“Perfect fit”*
**Quality-Overall**23%
*“Good quality”*
**Advertised Vs Actual Product**12%
*“Does the job”*
**Assembly/Installation**10%
*“Easy to install”*
**Value For Money**9%
*“Excellent kit for the money”*
**Efficiency**7%
*“Does the job well”*
**Ease Of Use**5%
*“Easy”*
**Instructions/User Manual/Troubleshooting**3%
*“Clear instructions, very easy to put together & fit with more than enough equipment”*
**Functionality-Overall**1%
*“This rain diverta did what it said it should do”*
**Water Resistance**1%
*“A must have for a water butt”*
### **What buyers complain about **
**Size-Overall**19%
*“Pipe is too tight”*
**Leak-Proof**15%
*“Leaks”*
**Value For Money**11%
*“Expensive”*
**Advertised Vs Actual Product**11%
*“Didn't do what it said”*
**Instructions/User Manual/Troubleshooting**11%
*“No fitting instructions provided- not that they would make a difference”*
**Design-Overall**7%
*“Poor design”*
**Assembly/Installation**6%
*“Not easy to install and pipe leaks”*
**Functionality-Overall**6%
*“Doesn't work”*
**Water Resistance**3%
*“no water”*
**Quality-Overall**3%
*“Utter junk”*
### **Top return reasons **
**Size-Overall**62%
**Compatibility-Overall**8%
**Advertised Vs Actual Product**7%
**Defective Material/Parts**6%
**Color**4%
**Shape/Style**3%
**Quality-Overall**2%
**Functionality-Overall**2%
**Water Resistance**2%
**Connectivity-Overall**1%
## **Common questions**
- **Is rainwater diverter kit profitable to sell on Amazon United Kingdom?**
- The niche generates £29K/yr across 26 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +83.9%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the rainwater diverter kit niche?**
- 22 brands and 41 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 54% of demand.
- **What do buyers complain about in rainwater diverter kit?**
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Value For Money. The return rate is 0.8%.
- **When does demand for rainwater diverter kit peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 6.8× the quietest.
- **What does it cost to enter the rainwater diverter kit niche?**
- Listings span £8.72–£17.46; the average listing price is £12.82 (sweet spot $15–$100). The average incumbent carries 185 reviews — the moat a new listing must climb.
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