sink overflow cover
Skip itPrices mostly outside the sweet spot ($2.58–$4.34) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Incredible12.9%search→purchase rate — share of searches ending in a sale
Review moat
Good544.19avg incumbent reviews — the moat a new listing must climb
Brand share
Good70%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay69%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£3.24avg listing price — sweet spot $15–$100
Price range
Bad£2.58–£4.34cheapest 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
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.Peak months: Feb · busiest ÷ quietest = 1.5×
Top sink overflow cover search terms
- sink overflow ring35K/yr
- sink overflow cover34K/yr
- basin overflow cover6K/yr
- bathroom sink overflow cover5K/yr
- kitchen sink overflow cover5K/yr
- basin overflow ring4K/yr
- bathroom sink accessories4K/yr
- bathroom sink overflow ring5K/yr
- sink overflow cap4K/yr
- overflow sink hole cover5K/yr
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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£3.424.5★3,832 rev

MOXYOY 6 PCS Sink Overflow Ring Sink Hole Replacement Overflow Hole
MOXYOY£2.594.4★223 rev

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£2.754.4★370 rev

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£2.584.3★29 rev

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£3.414.6★776 rev
Newest
by launch date
6Pcs Sink Overflow Rings Universal Round Hole Covers
BTOPB£2.742 rev

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£3.332 rev

4-Piece Sink Overflow Rings (Ø 2224 mm) Universal for Sinks Bathtubs & Bathrooms Easy Installation & Durable
BTOPB£3.0615 rev

2 Pcs Sink Overflow Rings Refined Copper Basin Overflow Covers 22-24mm Sink Hole Inserts Ideal for Bathroom and Kitchen Silver Finish
Vexorlian£4.278 rev

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£2.5829 rev
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£3.335.0★

6Pcs Sink Overflow Rings Universal Round Hole Covers
BTOPB£2.745.0★

4-Piece Sink Overflow Rings (Ø 2224 mm) Universal for Sinks Bathtubs & Bathrooms Easy Installation & Durable
BTOPB£3.064.6★

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£2.584.3★

Wemoralix Pack of 2 Sink Overflow Rings Silver Refined Copper Basin Overflow Inserts for 22-24 mm Sink Holes Bathroom Kitchen Accessory
Wemoralix£4.344.6★
What buyers say about sink overflow cover
What buyers praise and complain about, mined from review topics.What buyers love
“Brilliant fit”
“Good price”
“Excellent Quality and Easy to install”
“As described”
“very nice looking”
“Easy”
“Nice and shiny”
“easy to clean”
“Easy to install”
“Solid product”
What buyers complain about
“Didn't fit”
“Poor quality - break quickly”
“However, when I tested it in my sink, it would not drain water fast enough to prevent an overflow”
“Break really quickly”
“Cheap and plasticky”
“Overflow Rings”
“Cheap”
“gets rusty quickly”
“Awful and cheap - after only a matter of days the plastic has lost its colour and started to degrade”
Top return reasons
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.