---
title: "Plaster of Paris — £142K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/plaster-of-paris"
last_updated: "2026-07-31T20:20:59.216Z"
locale: en
meta:
description: "Niche score 47/100 · £142K/yr market · 128K searches/yr · £10.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £142K/yr market · 128K searches/yr · £10.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Plaster of Paris — £142K/yr Amazon UK Niche (2026) - Flapen"
---
# **plaster of paris**
**Skip it**
Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size 31Growth 41Conversion 89Competition 21Returns 98Price range 49Avg price 38Brand share 12Review moat 74Quality gap 53
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****541.33**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£3.18–£26.57**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+13.1%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****£10.56**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£142K**
£142K/yr · 128K searches
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, plaster of paris is a £142K/yr Amazon United Kingdom market (128K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 47/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plaster of paris market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£158K–£211K**
- units × avg price
- **Conversion rate**
- **10.5%**
- **Avg BSR**
- **#72**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **33%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**17**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**3%**
- Mouldmaster64% - Trustleaf15% - The Glowhouse9% - docrafts4% - Wealike3% - PEBEO2% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +13.1% search growth over the last 90 days.
4K3KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/plaster-of-paris/trend)
## **Top plaster of paris search terms**
- **plaster of paris**99K/yr+16.2%10.2% conv. - **plaster of paris powder**23K/yr+3.1%13.0% conv. - **plaster paris**4K/yr+10.7%10.4% conv. - **plaster powder**3K/yr-8.7%4.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/plaster-of-paris/search-terms)
## **Top plaster of paris 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%£14K20%£28K30%£43K40%£57K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mouldmaster 5 Kg Plaster of Paris White**Mouldmaster**£9.91**4.5★2,252 rev](https://www.amazon.co.uk/dp/B00HHRJW2G) [2**Mouldmaster 2.5 Kg Plaster of Paris White**Mouldmaster**£7.17**4.6★1,122 rev](https://www.amazon.co.uk/dp/B00HHRJW2Q) [3**Mouldmaster Prestia Plaster of Paris 500g**Mouldmaster**£3.43**4.6★297 rev](https://www.amazon.co.uk/dp/B0B9H7TVV4) [4**1kg Tub - Trustleaf Plaster of Paris - Fine Casting Plaster**Trustleaf**£6.79**4.6★311 rev](https://www.amazon.co.uk/dp/B07P7PSZMR) [5**Plaster of Paris 5kg Premium Casting Powder for Moulding Crafts Sculpting & Art Projects Fast Setting Smooth Finish High Strength The Glowhouse**The Glowhouse**£9.55**4.6★13 rev](https://www.amazon.co.uk/dp/B0GYTFFS1S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Plaster of Paris 5kg Premium Casting Powder for Moulding Crafts Sculpting & Art Projects Fast Setting Smooth Finish High Strength The Glowhouse**The Glowhouse**£9.55**13 rev2mo ago](https://www.amazon.co.uk/dp/B0GYTFFS1S) [**Wealike Eco Resin Casting Powder 3000G Water-Based Ceramic Plaster of Paris with 6PCS Pigments 30 Minutes Demold.Easy Mix Self Leveling Non-Toxic for Home Decor &DIY Art**Wealike**£24.33**100 rev1y ago](https://www.amazon.co.uk/dp/B0DHG8T5L3) [**Eco Resin Casting Powder - 2800g Fast Cure Plaster of Paris Powder for Crafts DIY & Home Art 30 Min Demold Easy Mix Water Activated Eco-Friendly Casting Resin Powder for Beginners & Professionals**DecorRom**£25.65**223 rev2y ago](https://www.amazon.co.uk/dp/B0CRDJT73J) [**Baker Ross FX917 Casting Powder - 1kg Mould Supplies and Model Making Accessories**Baker Ross**£4.42**10 rev2y ago](https://www.amazon.co.uk/dp/B0CGM4MJ4K) [**Mouldmaster Prestia Plaster of Paris 500g**Mouldmaster**£3.43**297 rev3y ago](https://www.amazon.co.uk/dp/B0B9H7TVV4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Plaster of Paris 5kg Premium Casting Powder for Moulding Crafts Sculpting & Art Projects Fast Setting Smooth Finish High Strength The Glowhouse**The Glowhouse**£9.55**4.6★**▲ 233%**](https://www.amazon.co.uk/dp/B0GYTFFS1S) [**Wealike Eco Resin Casting Powder 3000G Water-Based Ceramic Plaster of Paris with 6PCS Pigments 30 Minutes Demold.Easy Mix Self Leveling Non-Toxic for Home Decor &DIY Art**Wealike**£24.33**4.4★**▲ 222%**](https://www.amazon.co.uk/dp/B0DHG8T5L3) [**Baker Ross FX917 Casting Powder - 1kg Mould Supplies and Model Making Accessories**Baker Ross**£4.42**3.2★**▲ 130%**](https://www.amazon.co.uk/dp/B0CGM4MJ4K) [**Gedeo 1 Kg Light Plaster White**PEBEO**£3.18**4.5★**▲ 25%**](https://www.amazon.co.uk/dp/B0027IVQFG) [**1kg Tub - Trustleaf Plaster of Paris - Fine Casting Plaster**Trustleaf**£6.79**4.6★**— 7%**](https://www.amazon.co.uk/dp/B07P7PSZMR)
**~~View all trending →~~**
## **What buyers say about plaster of paris**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“Excellent product”*
**Value For Money**17%
*“Good value for money”*
**Ease Of Use**16%
*“Easy to use”*
**Advertised Vs Actual Product**12%
*“Item 100% accurate with advert on website”*
**Color**5%
*“The pigment colours are also good that came with it”*
**Strength**4%
*“Strong”*
**Assembly/Installation**2%
*“quick to set which makes it perfect for making Christmas decorations with my young daughter”*
**Pockets/Compartments**2%
*“Excellent results, no air pockets, now comes the fun part”*
**Design-Overall**2%
*“Great modelling product”*
**Functionality-Overall**2%
*“You can take it out of the molds after 20 minutes”*
### **What buyers complain about **
**Color**40%
*“Grey, not white”*
**Quality-Overall**10%
*“Buy cheap, buy twice”*
**Material Quality**6%
*“Not White Plaster”*
**Strength**3%
*“not so strong”*
**Natural Resource Wastage**3%
*“Waste of time and money”*
**Leak-Proof**3%
*“it was still leaking a lot of water at the top”*
**Instructions/User Manual/Troubleshooting**3%
*“No instructions, had to guess the measurements and wasted quite a bit of the product as it was setting too quickly or not enough for a finished model”*
**Assembly/Installation**3%
*“Doesnt set adequately”*
**Mixing/Blending**3%
*“Needs alot of work to mix to consistency”*
**Weight Heavy**3%
*“it is heavy stuff I suppose”*
### **Top return reasons **
**Color**30%
**Advertised Vs Actual Product**9%
**Quality-Overall**9%
**Functionality-Overall**8%
**Material Quality**5%
**Assembly/Installation**5%
**Smell**4%
**Compatibility-Overall**3%
**Weight Heavy**3%
**Durability**3%
## **Common questions**
- **Is plaster of paris profitable to sell on Amazon United Kingdom?**
- The niche generates £142K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +13.1%. Flapen's verdict: Skip it (47/100).
- **How competitive is the plaster of paris niche?**
- 8 brands and 17 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in plaster of paris?**
- Top complaints mined from reviews: Color, Quality-Overall, Material Quality. The return rate is 0.5%.
- **When does demand for plaster of paris peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the plaster of paris niche?**
- Listings span £3.18–£26.57; the average listing price is £10.56 (sweet spot $15–$100). The average incumbent carries 541 reviews — the moat a new listing must climb.
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