Skip to content

Cistern Fill Valve

Fail

The top 5 brands take 96% of clicks, so Cistern Fill Valve is a Fail.

Flapen Score
38
38 / 100
Ranks 660 of 740 Business, Industry & Science niches · −11 vs the category median of 49
Market size
£91K/yr127K searches / yr
90-day growth
+2.4%search demand this quarter
Competition
73%top-5 click share · 7 brands · 53 sellers

Flapen Score

Cistern Fill Valve against its category

The dotted line is the Business, Industry & Science average. Past it, Cistern Fill Valve is stronger. Inside it, weaker.

38Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Cistern Fill Valve market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Cistern Fill Valve 127K times last year and spent an estimated £91K. The top 5 brands take 96% of clicks. Flapen scores it 38 out of 100, a Fail.

01 · Demand

7.3% of searches ended in a purchase last week.

Shoppers searched for this 127K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 7.3% of those searches ended in a purchase. Searches in the last 90 days moved +2.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £91K a year.

Searches, last 12 months
127K
Growth, 90 days vs prior 90
+2.4%
Conversion, latest week
7.3%
Market size, estimated
£91Ka year
Peak month
July1.4× the quietest month
Top search term
toilet fill valve24K searches a year

02 · Price

A sale here is worth £9.84.

Listings sell for £9.84 on average, from £4.23 to £16.19. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At £9.84 that is £2K to £5K a year per listing.

Average price
£9.84under the $15 to $100 sweet spot
Price range
£4.23–£16.19
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
250–500
Revenue per listing a year
£2K–£5K
Returns
2.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

87% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 1.1% of listings are out of stock. The average listing ranks #41 within Hydraulics, Pneumatics & Plumbing. It carries 542 reviews at 4.45 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
93%
Out of stock, average day
1.1%
Average rank
#41in Hydraulics, Pneumatics & Plumbing
Average rating
4.45 starsAmazon United Kingdom average 4.36 stars
Average reviews
542per listing
Listings tracked
15

04 · Newcomers

Amazon counts 1 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 39 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
39 months

Products

Top Cistern Fill Valve products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 73% of clicks. A locked shelf that new listings rarely crack.

£0£9K£18K£27K£37K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

53

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

2%

  • Fluidmaster33%
  • VeeBath31%
  • Fzosinou14%
  • PlumbEZ10%
  • Hulthor8%
  • Taps2Traps2%
  • Open — no brand owns it (1 brand, 2%)

Demand

Cistern Fill Valve search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Cistern Fill Valve search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • toilet fill valve24K/yr
  • cistern fill valve15K/yr
  • fluidmaster flush valve12K/yr
  • toilet cistern fill valve13K/yr
  • bottom entry toilet fill valve8K/yr
  • toilet inlet valve7K/yr
  • toilet fill valve bottom entry8K/yr
  • toilet float valve7K/yr
  • toilet inlet valve bottom entry7K/yr
  • fluidmaster6K/yr

Reviews and returns

What reviews say buyers love and hate about Cistern Fill Valve

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Size-Overall12%+1.18

It was smaller than the original broken one too

sometimes difficult to fit

Short brass screw

Leak-Proof10%

Leaked

mine leaked

Started leaking after 1 day

Noise Level9%−0.03

does seem noisy compared to my previous top fill one

Stopped the awful noise

The noise started as a screech

Quality-Overall8%+0.28

Bad quality

Cheap rubbish

stiill cheap

Durability6%−0.08

as none of them seem to last more than a couple of years

Only 11 months before it stopped working

Keeps failing

Love

Size-Overall21%+1.18

Easy fit

Easy to fit

Perfect fitted in minutes

Quality-Overall16%+0.28

Excellent product

Excellent piece of kit

Quality product excellent price range

Assembly/Installation11%+0.70

Easy to install and set up

Easy Install

Easy to mount

Advertised Vs Actual Product9%+0.93

Perfect works as it should

As described

Just as photo

Value For Money9%+0.87

Decent value

Great value for money

Good for the money

Return

2.0% Return rate 57% Fixable by listing

Size-Overall49%█▇▇▇█▆

It was smaller than the original broken one too

sometimes difficult to fit

Short brass screw

Compatibility-Overall14%▄▆▅▃▇█
Defective Material/Parts11%▇▆█▇▅▇

Product arrived broken

Faulty item, does not include fill sock

But sadly one part was over tightened

Functionality-Overall5%█▄▄▅▃▅

Does not work

Did not work - Screwfix version works perfectly

So all 3 of these useless washers don't work

Maintenance And Repair3%▄▅▁█▆▂

FAQ

Common Cistern Fill Valve questions

Answered from the same tracked data.