---
title: "Thetford Toilet Spares — £66K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/thetford-toilet-spares"
last_updated: "2026-08-09T19:06:46.635Z"
locale: en
meta:
  description: "Niche score 52/100 · £66K/yr market · 48K searches/yr · £58.38 avg price. A small market ($66K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · £66K/yr market · 48K searches/yr · £58.38 avg price. A small market ($66K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Thetford Toilet Spares — £66K/yr Amazon UK Niche (2026) - Flapen"
---

# **thetford toilet spares**

**Worth a look**

Shows demand growing +99.2% this quarter, but a small market ($66K/yr) keeps it on the watch list.

Market size 17Growth 91Conversion 29Competition 27Returns 91Price range 70Avg price 90Brand share 18Review moat 68Quality gap 65

**Growth**

**Great****+99.2%**

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

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****£58.38**

avg listing price — sweet spot $15–$100

**Price range**

**Good****£4.83–£126.04**

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

**Review moat**

**Good****781.56**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.4%**

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

**Competition**

**Okay****69%**

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

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****£66K**

£66K/yr · 48K searches

**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")

According to Flapen's Amazon United Kingdom niche tracking, thetford toilet spares is a £66K/yr Amazon United Kingdom market (48K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in May–Jun–Jul–Aug–Sep. Verdict: Worth a look — 52/100.

Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **thetford toilet spares market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£73K–£88K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,181**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**78%**</dd>

<dt>**Sponsored**</dt><dd>**44%**</dd>

<dt>**Out of stock**</dt><dd>**13.2%**</dd>

<dt>**Avg brand age**</dt><dd>**32 months**</dd>

<dt>**Avg seller age**</dt><dd>**198 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **▲rising

**Sellers**

**38**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**69%**

Top 20: 100%

**Open market**

**5%**

- Thetford79% - Generic6% - URAQT3% - ACOLY2% - teasteam2% - VHEUHZ2% - Open — no brand owns it (3 brands, 5%)

## **Demand & seasonality**

Weekly Amazon search volume, last 54 weeks — +99.2% search growth over the last 90 days.

2K1KSpike '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: May, Jun, Jul, Aug, Sep · busiest ÷ quietest = 5.7×

[**Open Trend **](https://flapen.com/research/uk/automotive/thetford-toilet-spares/trend)

## **Top thetford toilet spares search terms**

- **thetford toilet cassette**28K/yr+76.4%1.9% conv. - **thetford toilet spares**9K/yr+170.0%0.8% conv. - **thetford cassette toilet spare parts**5K/yr+118.4%0.8% conv. - **thetford cassette toilet parts**2K/yr+227.6%0.9% conv. - **thetford c200 cassette**3K/yr+113.5%2.8% conv. [**All search terms **](https://flapen.com/research/uk/automotive/thetford-toilet-spares/search-terms)

## **Top thetford toilet spares 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%£7K20%£13K30%£20K40%£26K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Thetford 9339362 Fresh-Up Set C250 C260](https://m.media-amazon.com/images/I/31SxWAakLfL.jpg)**Thetford 9339362 Fresh-Up Set C250 C260**Thetford**£105.25**4.8★368 rev](https://www.amazon.co.uk/dp/B01ER7XPRG) [2![Thetford C200 Series Fresh Up Kit Replacement Cassette with Toilet Seat Caravan Motorhome](https://m.media-amazon.com/images/I/31EJm8UzGjL.jpg)**Thetford C200 Series Fresh Up Kit Replacement Cassette with Toilet Seat Caravan Motorhome**Thetford**£102.76**4.6★390 rev](https://www.amazon.co.uk/dp/B07K2811MM) [3![Thetford C250 Toilet Fresh-up-Set](https://m.media-amazon.com/images/I/41Xj5sf8q8L.jpg)**Thetford C250 Toilet Fresh-up-Set**Thetford**£103.58**4.7★422 rev](https://www.amazon.co.uk/dp/B006VV0PPC) [4![Thetford Porta Potty Portable Toilet Camping/Caravans/Motorhomes Lightweight and Easy to Clean 38.3 x 41.3 x 42.7 cm](https://m.media-amazon.com/images/I/41VWF5NomoL.jpg)**Thetford Porta Potty Portable Toilet Camping/Caravans/Motorhomes Lightweight and Easy to Clean 38.3 x 41.3 x 42.7 cm**Thetford**£51.12**4.7★4,368 rev](https://www.amazon.co.uk/dp/B0056PS6SM) [5![Thetford 9338262](https://m.media-amazon.com/images/I/41wxwoNovML.jpg)**Thetford 9338262**Thetford**£126.04**4.7★296 rev](https://www.amazon.co.uk/dp/B06XB21Z7V)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![23271 Cassette Toilet Lip Seal Compatible with Thetford C200 C250 C400 C500 C2 C3 C4 Rubber Waste Tank Seal for Caravan & Motorhome Toilets](https://m.media-amazon.com/images/I/31vkPuqw1LL.jpg)**23271 Cassette Toilet Lip Seal Compatible with Thetford C200 C250 C400 C500 C2 C3 C4 Rubber Waste Tank Seal for Caravan & Motorhome Toilets**Generic**£4.83**2 rev8mo ago](https://www.amazon.co.uk/dp/B0G1M7FYS7) [![ACOLY Toilet Flush Button Switches RV Flushing Switch Printed Circuit Board 50709 Replacement for Thetford C250 C250 C260](https://m.media-amazon.com/images/I/31NhvnzjpJL.jpg)**ACOLY Toilet Flush Button Switches RV Flushing Switch Printed Circuit Board 50709 Replacement for Thetford C250 C250 C260**ACOLY**£19.06**5 rev8mo ago](https://www.amazon.co.uk/dp/B0FZ95KZQX) [![URAQT Replacement 110mm Toilet Lip Seal 23721 for Thetford Toilets C200 C250 C400 C500 C2 C3 C4 Caravan RV Toilet Waste Tank Motorhome Toilet Waste Tank Seal Toilets Spares and Cassette Seals Fix](https://m.media-amazon.com/images/I/41k-5pyb7QL.jpg)**URAQT Replacement 110mm Toilet Lip Seal 23721 for Thetford Toilets C200 C250 C400 C500 C2 C3 C4 Caravan RV Toilet Waste Tank Motorhome Toilet Waste Tank Seal Toilets Spares and Cassette Seals Fix**URAQT**£5.09**17 rev9mo ago](https://www.amazon.co.uk/dp/B0FWRBNYN9) [![Infinity & Breathe 110mm Replacement Toilet Lip Seal Compatible with Thetford C2 C3 C4 C200 C250 C400 C500 - Caravan Motorhome Cassette Toilet Waste Tank Spares Parts](https://m.media-amazon.com/images/I/31YSx8S9IXL.jpg)**Infinity & Breathe 110mm Replacement Toilet Lip Seal Compatible with Thetford C2 C3 C4 C200 C250 C400 C500 - Caravan Motorhome Cassette Toilet Waste Tank Spares Parts**Infinity & Breathe**£6.78**2 rev10mo ago](https://www.amazon.co.uk/dp/B0FRSTZ6NG) [![Aartner 23721 Replacement cassette Toilet lip seal 110mm compatible with Thetford toilets C200 C250 C400 C500 C2 C3 C4 models for Caravan & Motorhome toilets and waste Tanks](https://m.media-amazon.com/images/I/414nL7c8CLL.jpg)**Aartner 23721 Replacement cassette Toilet lip seal 110mm compatible with Thetford toilets C200 C250 C400 C500 C2 C3 C4 models for Caravan & Motorhome toilets and waste Tanks**Aartner**£5.04**2 rev10mo ago](https://www.amazon.co.uk/dp/B0FPM2TVL1)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![23271 Cassette Toilet Lip Seal Compatible with Thetford C200 C250 C400 C500 C2 C3 C4 Rubber Waste Tank Seal for Caravan & Motorhome Toilets](https://m.media-amazon.com/images/I/31vkPuqw1LL.jpg)**23271 Cassette Toilet Lip Seal Compatible with Thetford C200 C250 C400 C500 C2 C3 C4 Rubber Waste Tank Seal for Caravan & Motorhome Toilets**Generic**£4.83**1.0★**▲ 160%**](https://www.amazon.co.uk/dp/B0G1M7FYS7) [![Infinity & Breathe 110mm Replacement Toilet Lip Seal Compatible with Thetford C2 C3 C4 C200 C250 C400 C500 - Caravan Motorhome Cassette Toilet Waste Tank Spares Parts](https://m.media-amazon.com/images/I/31YSx8S9IXL.jpg)**Infinity & Breathe 110mm Replacement Toilet Lip Seal Compatible with Thetford C2 C3 C4 C200 C250 C400 C500 - Caravan Motorhome Cassette Toilet Waste Tank Spares Parts**Infinity & Breathe**£6.78**5.0★**▲ 137%**](https://www.amazon.co.uk/dp/B0FRSTZ6NG) [![URAQT Replacement 110mm Toilet Lip Seal 23721 for Thetford Toilets C200 C250 C400 C500 C2 C3 C4 Caravan RV Toilet Waste Tank Motorhome Toilet Waste Tank Seal Toilets Spares and Cassette Seals Fix](https://m.media-amazon.com/images/I/41k-5pyb7QL.jpg)**URAQT Replacement 110mm Toilet Lip Seal 23721 for Thetford Toilets C200 C250 C400 C500 C2 C3 C4 Caravan RV Toilet Waste Tank Motorhome Toilet Waste Tank Seal Toilets Spares and Cassette Seals Fix**URAQT**£5.09**4.3★**▲ 135%**](https://www.amazon.co.uk/dp/B0FWRBNYN9) [![ACOLY Toilet Flush Button Switches RV Flushing Switch Printed Circuit Board 50709 Replacement for Thetford C250 C250 C260](https://m.media-amazon.com/images/I/31NhvnzjpJL.jpg)**ACOLY Toilet Flush Button Switches RV Flushing Switch Printed Circuit Board 50709 Replacement for Thetford C250 C250 C260**ACOLY**£19.06**4.0★**▲ 130%**](https://www.amazon.co.uk/dp/B0FZ95KZQX) [![Aartner 23721 Replacement cassette Toilet lip seal 110mm compatible with Thetford toilets C200 C250 C400 C500 C2 C3 C4 models for Caravan & Motorhome toilets and waste Tanks](https://m.media-amazon.com/images/I/414nL7c8CLL.jpg)**Aartner 23721 Replacement cassette Toilet lip seal 110mm compatible with Thetford toilets C200 C250 C400 C500 C2 C3 C4 models for Caravan & Motorhome toilets and waste Tanks**Aartner**£5.04**5.0★**▲ 125%**](https://www.amazon.co.uk/dp/B0FPM2TVL1)

**~~View all trending →~~**

## **What buyers say about thetford toilet spares**

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

### **What buyers love **

**Quality-Overall**24%

*“Fantastic piece of kit”*

**Size-Overall**15%

*“Fits perfectly”*

**Ease Of Cleaning**11%

*“easy to clean”*

**Efficiency**7%

*“Does the job”*

**Ease Of Use**6%

*“Ease of use”*

**Value For Money**6%

*“offers excellent value for money”*

**Portability**5%

*“well made portable potty”*

**Leak-Proof**4%

*“completely leak-proof”*

**Comfort-Overall**4%

*“comfortable”*

**Mounting**4%

*“Great to see I can get a spare part for 25-year-old Caravan”*

### **What buyers complain about **

**Compatibility-Overall**20%

*“Not compatible”*

**Value For Money**20%

*“It's an expensive”*

**Connectivity-Overall**10%

*“disconnected and binned”*

**Advertised Vs Actual Product**10%

*“To be returned did not fit as advertised”*

**Wheel Quality**5%

*“But as I was taking it if my boat the wheels fell off into the canal”*

**Quality-Overall**5%

*“Bad make”*

**Size-Overall**3%

*“I believe the capacity is slightly less as they have fitted some unnesary whells that reduces the capacity”*

**Mechanism Issues**3%

*“The mechanism had failed”*

**Smell**2%

*“masking nasty smells”*

### **Top return reasons **

**Size-Overall**51%

**Compatibility-Overall**10%

**Advertised Vs Actual Product**7%

**Defective Material/Parts**6%

**Functionality-Overall**6%

**Leak-Proof**5%

**Product Condition**4%

**Color**2%

**Quality-Overall**2%

**Compactness**2%

## **Common questions**

<dl>

<dt>**Is thetford toilet spares profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £66K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +99.2%. Flapen's verdict: Worth a look (52/100).</dd>

<dt>**How competitive is the thetford toilet spares niche?**</dt><dd>9 brands and 38 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in thetford toilet spares?**</dt><dd>Top complaints mined from reviews: Compatibility-Overall, Value For Money, Connectivity-Overall. The return rate is 1.2%.</dd>

<dt>**When does demand for thetford toilet spares peak?**</dt><dd>Demand peaks in May–Jun–Jul–Aug–Sep; the busiest month runs 5.7× the quietest.</dd>

<dt>**What does it cost to enter the thetford toilet spares niche?**</dt><dd>Listings span £4.83–£126.04; the average listing price is £58.38 (sweet spot $15–$100). The average incumbent carries 782 reviews — the moat a new listing must climb.</dd>

</dl>

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