---
title: "Sink Overflow Cover — £45K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/sink-overflow-cover"
last_updated: "2026-07-31T13:21:30.389Z"
locale: en
meta:
description: "Niche score 42/100 · £45K/yr market · 108K searches/yr · £3.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £45K/yr market · 108K searches/yr · £3.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sink Overflow Cover — £45K/yr Amazon UK Niche (2026) - Flapen"
---
# **sink overflow cover**
**Skip it**
Prices mostly outside the sweet spot ($2.58–$4.34) — this niche doesn't clear our bar today.
Market size 11Growth 16Conversion 96Competition 26Returns 98Price range 0Avg price 9Brand share 58Review moat 74Quality gap 47
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****544.19**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-17.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£45K**
£45K/yr · 108K searches
**Avg price**
**Bad****£3.24**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£2.58–£4.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, sink overflow cover is a £45K/yr Amazon United Kingdom market (108K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Feb. Verdict: Skip it — 42/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sink overflow cover market data**
- **Units sold / yr**
- **10K–13K**
- avg 750–1,000/product
- **Revenue / yr**
- **£32K–£41K**
- units × avg price
- **Conversion rate**
- **12.9%**
- **Avg BSR**
- **#79**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **25 months**
- **Avg seller age**
- **217 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**22%**
- FYACCD29% - MOXYOY12% - SIYUPU10% - Thinp9% - BTOPB9% - DIAONIAN8%
## **Demand & seasonality**
Weekly Amazon search volume, last 69 weeks — -17.6% search growth over the last 90 days.
3K2KSpike '25 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/sink-overflow-cover/trend)
## **Top sink overflow cover search terms**
- **sink overflow ring**35K/yr-8.5%11.4% conv. - **sink overflow cover**34K/yr-10.3%7.3% conv. - **basin overflow cover**6K/yr-20.9%8.9% conv. - **bathroom sink overflow cover**5K/yr-20.6%10.7% conv. - **kitchen sink overflow cover**5K/yr-5.8%1.4% conv. - **basin overflow ring**4K/yr-29.0%11.2% conv. - **bathroom sink accessories**4K/yr-23.7%3.0% conv. - **bathroom sink overflow ring**5K/yr-40.5%11.8% conv. - **sink overflow cap**4K/yr-45.6%5.0% conv. - **overflow sink hole cover**5K/yr-74.4%6.7% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/sink-overflow-cover/search-terms)
## **Top sink overflow cover 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%10%£5K20%£9K30%£14K40%£18K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sink Overflow Ring 6 PCS Sink Hole Replacement Overflow Hole Round Basin Overflow Trim Sink Hole Cap Drain Cap Cover Insert in Hole for Bathtub Kitchen Sink**FYACCD**£3.42**4.5★3,832 rev](https://www.amazon.co.uk/dp/B0B25JQWZK) [2**MOXYOY 6 PCS Sink Overflow Ring Sink Hole Replacement Overflow Hole**MOXYOY**£2.59**4.4★223 rev](https://www.amazon.co.uk/dp/B0F8B29TKF) [3**Sink Overflow Ring 2 PCS Overflow Sink Hole Cover Kitchen Sink Overflow Cover Bathroom Bath Overflow Cover Sink Hole Round Overflow Cover Basin Trim Overflow Drain Cap Cover Insert in Hole Spares**SIYUPU**£2.75**4.4★370 rev](https://www.amazon.co.uk/dp/B0BXWVPS1Y) [4**Thinp 4 Pcs Sink Overflow Ring Chrome Overflow Cover Sink Hole Cover Replacement Round Drain Cap Covers Insert in Hole for Bathroom Kitchen Washing Vanity Basin Bathtub (Silver)**Thinp**£2.58**4.3★29 rev](https://www.amazon.co.uk/dp/B0G58JGJXQ) [5**Pack of 2 Sink Overflow Cover Sink Overflow Ring Overflow Sink Hole Cover Basin Overflow Insert Bathroom Sink Overflow Ring for Sink Hole with Ø 22-24 mm Opening Silver (Copper Material)**DIAONIAN**£3.41**4.6★776 rev](https://www.amazon.co.uk/dp/B0CF51GLZN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**6Pcs Sink Overflow Rings Universal Round Hole Covers**BTOPB**£2.74**2 rev2mo ago](https://www.amazon.co.uk/dp/B0H1S61BKJ) [**Pack of 6 Sink Overflow Covers Round Overflow Hole Covers Bathroom Basin Trim Drain Caps Kitchen Sink Hole Cover Set Universal Fit for Kitchen Bathroom and Bathtub Fixtures**DreamAug**£3.33**2 rev3mo ago](https://www.amazon.co.uk/dp/B0GVQZWP7R) [**4-Piece Sink Overflow Rings (Ø 2224 mm) Universal for Sinks Bathtubs & Bathrooms Easy Installation & Durable**BTOPB**£3.06**15 rev4mo ago](https://www.amazon.co.uk/dp/B0GSV97RSP) [**2 Pcs Sink Overflow Rings Refined Copper Basin Overflow Covers 22-24mm Sink Hole Inserts Ideal for Bathroom and Kitchen Silver Finish**Vexorlian**£4.27**8 rev7mo ago](https://www.amazon.co.uk/dp/B0G64LPYGW) [**Thinp 4 Pcs Sink Overflow Ring Chrome Overflow Cover Sink Hole Cover Replacement Round Drain Cap Covers Insert in Hole for Bathroom Kitchen Washing Vanity Basin Bathtub (Silver)**Thinp**£2.58**29 rev7mo ago](https://www.amazon.co.uk/dp/B0G58JGJXQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Pack of 6 Sink Overflow Covers Round Overflow Hole Covers Bathroom Basin Trim Drain Caps Kitchen Sink Hole Cover Set Universal Fit for Kitchen Bathroom and Bathtub Fixtures**DreamAug**£3.33**5.0★**▲ 331%**](https://www.amazon.co.uk/dp/B0GVQZWP7R) [**6Pcs Sink Overflow Rings Universal Round Hole Covers**BTOPB**£2.74**5.0★**▲ 330%**](https://www.amazon.co.uk/dp/B0H1S61BKJ) [**4-Piece Sink Overflow Rings (Ø 2224 mm) Universal for Sinks Bathtubs & Bathrooms Easy Installation & Durable**BTOPB**£3.06**4.6★**▲ 243%**](https://www.amazon.co.uk/dp/B0GSV97RSP) [**Thinp 4 Pcs Sink Overflow Ring Chrome Overflow Cover Sink Hole Cover Replacement Round Drain Cap Covers Insert in Hole for Bathroom Kitchen Washing Vanity Basin Bathtub (Silver)**Thinp**£2.58**4.3★**▲ 200%**](https://www.amazon.co.uk/dp/B0G58JGJXQ) [**Wemoralix Pack of 2 Sink Overflow Rings Silver Refined Copper Basin Overflow Inserts for 22-24 mm Sink Holes Bathroom Kitchen Accessory**Wemoralix**£4.34**4.6★**▲ 61%**](https://www.amazon.co.uk/dp/B0FX2LSGXF)
**~~View all trending →~~**
## **What buyers say about sink overflow cover**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**35%
*“Brilliant fit”*
**Value For Money**16%
*“Good price”*
**Quality-Overall**14%
*“Excellent Quality and Easy to install”*
**Advertised Vs Actual Product**12%
*“As described”*
**Design-Overall**4%
*“very nice looking”*
**Ease Of Use**4%
*“Easy”*
**Brightness/Shine/Glow**2%
*“Nice and shiny”*
**Ease Of Cleaning**2%
*“easy to clean”*
**Assembly/Installation**1%
*“Easy to install”*
**Strength**1%
*“Solid product”*
### **What buyers complain about **
**Size-Overall**37%
*“Didn't fit”*
**Quality-Overall**11%
*“Poor quality - break quickly”*
**Drainage**7%
*“However, when I tested it in my sink, it would not drain water fast enough to prevent an overflow”*
**Durability**7%
*“Break really quickly”*
**Material Quality**6%
*“Cheap and plasticky”*
**Leak-Proof**5%
*“Overflow Rings”*
**Value For Money**3%
*“Cheap”*
**Rusts/Corrodes**2%
*“gets rusty quickly”*
**Color**2%
*“Awful and cheap - after only a matter of days the plastic has lost its colour and started to degrade”*
### **Top return reasons **
**Size-Overall**76%
**Quality-Overall**12%
**Strength**4%
**Compatibility-Overall**2%
**Defective Material/Parts**2%
**Material Quality**1%
**Paint Quality**1%
**Functionality-Overall**1%
**Drainage**1%
**Grip**1%
## **Common questions**
- **Is sink overflow cover profitable to sell on Amazon United Kingdom?**
- The niche generates £45K/yr across 16 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -17.6%. Flapen's verdict: Skip it (42/100).
- **How competitive is the sink overflow cover niche?**
- 15 brands and 20 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in sink overflow cover?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Drainage. The return rate is 0.5%.
- **When does demand for sink overflow cover peak?**
- Demand peaks in Feb; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the sink overflow cover niche?**
- Listings span £2.58–£4.34; the average listing price is £3.24 (sweet spot $15–$100). The average incumbent carries 544 reviews — the moat a new listing must climb.
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