Is spülkasten wc profitable to sell on Amazon Germany?

The niche generates €419K/yr across 22 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Worth a look (55/100).

How competitive is the spülkasten wc niche?

16 brands and 48 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 76% of demand.

What do buyers complain about in spülkasten wc?

Top complaints mined from reviews: Qualität insgesamt, Gesamtgröße, Montage/Installation. The return rate is 1.6%.

When does demand for spülkasten wc peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the spülkasten wc niche?

Listings span €13.67–€90.72; the average listing price is €36.93 (sweet spot $15–$100). The average incumbent carries 857 reviews — the moat a new listing must climb.

spülkasten wc

Worth a look

Shows a sweet-spot price point ($36.93 avg), but soft demand (-8.5% this quarter) keeps it on the watch list.

Avg price

Incredible€36.93

avg listing price — sweet spot $15–$100

Price range

Great€13.67–€90.72

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Great1.6%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good856.55

avg incumbent reviews — the moat a new listing must climb

Market size

Good€419K

€419K/yr · 559K searches

Competition

Okay56%

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

Brand share

Okay76%

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

Conversion

Okay2.0%

search→purchase rate — share of searches ending in a sale

Growth

Bad-8.5%

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

According to Flapen's Amazon Germany niche tracking, spülkasten wc is a €419K/yr Amazon Germany market (559K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 55/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

spülkasten wc market data

Units sold / yr: 10K–13K; avg 250–500/product
Revenue / yr: €369K–€462K; units × avg price
Conversion rate: 2.0%
Avg BSR: #122
Page quality: 0%
Prime: 50%
Sponsored: 45%
Out of stock: 6.6%
Avg brand age: 52 months
Avg seller age: 183 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

56%

Top 20: 98%

Open market

19%

Geberit20%
kör4u19%
Cornat15%
GROHE14%
Belvit8%
STABILO Sanitaer5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top spülkasten wc search terms

spülkasten wc224K/yr -9.4%2.1% conv.
spülkasten121K/yr +1.3%1.6% conv.
wc spülkasten61K/yr -24.3%1.1% conv.
toilettenspülkasten38K/yr -7.0%1.2% conv.
wc spülkasten aufputz29K/yr +30.7%2.2% conv.
spülkasten wc aufputz16K/yr -41.0%2.5% conv.
spülkästen11K/yr -14.9%0.5% conv.
spülkasten aufputz8K/yr +8.6%2.0% conv.
aufputz spülkasten wc5K/yr +60.1%2.7% conv.
aufputz spülkasten8K/yr -17.1%2.6% conv.

All search terms

Top spülkasten wc 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 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

GROHE Start Spülkasten 6-9l einstellbar (Start-Stopp-Wassersparfunktion schwitzwassergeschützt geräuscharm Spülung unterbrechbar mit Montageschablone) 37406SH0

GROHE€53.314.2★606 rev

Geberit AP 110 tiefhängend 136.610.11.1 Spülkasten weiß

Geberit€32.554.6★1,345 rev

kör4u Spülkasten mit Start/Stop-Funktion 9 Liter Füllvolumen Weiß Wassersparend universell kompatibel inkl. Füllventil & Zubehör für einfache Montage

kör4u€29.714.1★258 rev

Belvit WC Spülkasten 3-9L - Aufputzspülkasten in Weiß geräuscharm & wassersparend Wasserkasten Toilette mit Start-Stopp-Funktion 2-fach Anschluss Komplettset

Belvit€25.844.2★409 rev

Cornat Spülkasten TRITON weiß / Zweimengenspülung / Toilettenspülung / Aufputzspülkasten / Toilette / Badezimmer / SPK1100

Cornat€34.184.0★298 rev

Newest

by launch date

WC Spülkasten Deluxe mit Voll-Metall Schlauch Messing Anschlüssen und Styropor Isolierung Toilettenspülkasten Spülkasten WC mit Start/Stopp-Funktion 6-9 Liter mit Installations-Video (siehe Bilder)

BigDean€27.7827 rev

5mo ago

Schwab AP-Spülkasten Modell 160.000 weiss

Schwab€37.973 rev

8mo ago

kör4u Spülkasten mit Start/Stop-Funktion 9 Liter Füllvolumen Weiß Wassersparend universell kompatibel inkl. Füllventil & Zubehör für einfache Montage

kör4u€29.71258 rev

1y ago

kör4u Spülkasten mit 2-Mengen-Spülung 6/9 Liter weiß Wassersparend universell kompatibel inkl. Füllventil & Zubehör für einfache Montage

kör4u€33.42162 rev

1y ago

Spülkasten Delta 1 Außen-WC 3/9 l komplett mit Einzelabfluss

CR€31.63318 rev

3y ago

What buyers say about spülkasten wc

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

What buyers love

Montage/Installation25%

“In 5 min installiert”

Qualität insgesamt25%

“super produkt”

Preis-Leistungs-Verhältnis11%

“Preis Leistung OK”

Gesamtgröße9%

“Passt”

beworben Vs Tatsächliches Produkt8%

“Hält was es verspricht”

Materialqualität3%

“das Material ist ok.”

Benutzerfreundlichkeit2%

“Einfach, funktioniert, alles gut”

Anleitung/Benutzerhandbuch/Fehlerbehebung2%

“Super Service und Anleitung”

Haltbarkeit2%

“Zuverlässigkeit im Betrieb”

Wasserfluss2%

“Calmwaters Spülkasten”

What buyers complain about

Qualität insgesamt13%

“Ganz schlechte Qualität”

Gesamtgröße12%

“Das Plasterohr von Spühlkasten zur Toilette ist zu kurz gewesen”

Montage/Installation10%

“Probleme mit der Montage”

Auslaufsicher8%

“Glocke undicht”

beworben Vs Tatsächliches Produkt6%

“die Beschreibung ist absolut unverständlich.”

Geräuschpegel5%

“Sehr laut”

Anleitung/Benutzerhandbuch/Fehlerbehebung5%

“Stolperfalle in der Anleitung”

Funktionalität insgesamt4%

“Ein runtersetzen des Kastens um Freigang zwischen den Wippen und dem Ventil zu bekommen funktioniert nicht, da dann der Deckel des Spülkastens nicht mehr montierbar ist”

Haltbarkeit4%

“Hielt leider nicht sehr lang”

Benutzerfreundlichkeit3%

“Unbrauchbar”

Top return reasons

Gesamtgröße48%

Defekt Material/Teile12%

Kompatibilität – insgesamt6%

Auslaufsicher4%

Konnektivität – insgesamt4%

Qualität insgesamt4%

Farbe3%

Wasserbeständigkeit2%

Mechanismus probleme2%

Add-Ons/Anhänge2%

Common questions

Is spülkasten wc profitable to sell on Amazon Germany?: The niche generates €419K/yr across 22 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Worth a look (55/100).
How competitive is the spülkasten wc niche?: 16 brands and 48 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in spülkasten wc?: Top complaints mined from reviews: Qualität insgesamt, Gesamtgröße, Montage/Installation. The return rate is 1.6%.
When does demand for spülkasten wc peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the spülkasten wc niche?: Listings span €13.67–€90.72; the average listing price is €36.93 (sweet spot $15–$100). The average incumbent carries 857 reviews — the moat a new listing must climb.