---
title: "Styrofoam — £51K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/styrofoam"
last_updated: "2026-07-31T13:04:16.075Z"
locale: en
meta:
  description: "Niche score 35/100 · £51K/yr market · 169K searches/yr · £9.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 35/100 · £51K/yr market · 169K searches/yr · £9.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Styrofoam — £51K/yr Amazon UK Niche (2026) - Flapen"
---

# **styrofoam**

**Skip it**

Prices mostly outside the sweet spot ($4.21–$15.46) — this niche doesn't clear our bar today.

Market size 13Growth 17Conversion 41Competition 23Returns 95Price range 4Avg price 27Brand share 31Review moat 91Quality gap 45

**Returns**

**Great****1.0%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****187.93**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.3%**

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

**Brand share**

**Okay****87%**

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

**Avg price**

**Okay****£9.24**

avg listing price — sweet spot $15–$100

**Competition**

**Bad****72%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-16.1%**

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

**Market size**

**Bad****£51K**

£51K/yr · 169K searches

**Price range**

**Bad****£4.21–£15.46**

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

According to Flapen's Amazon United Kingdom niche tracking, styrofoam is a £51K/yr Amazon United Kingdom market (169K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Nov. Verdict: Skip it — 35/100.

Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **styrofoam market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£46K–£55K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#2,447**</dd>

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

<dt>**Prime**</dt><dd>**79%**</dd>

<dt>**Sponsored**</dt><dd>**71%**</dd>

<dt>**Out of stock**</dt><dd>**6.0%**</dd>

<dt>**Avg brand age**</dt><dd>**37 months**</dd>

<dt>**Avg seller age**</dt><dd>**187 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▼falling

**Sellers**

**16**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**72%**

Top 20: 100%

**Open market**

**10%**

- ASelected56% - Generic10% - YOUEON9% - Triplast6% - Culpitt5% - STORM TRADING GROUP3% - Open — no brand owns it (4 brands, 10%)

## **Demand & seasonality**

Weekly Amazon search volume, last 86 weeks — -16.1% search growth over the last 90 days.

5K4KSpike '25Black Friday '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Nov · busiest ÷ quietest = 1.9×

[**Open Trend **](https://flapen.com/research/uk/home-garden/styrofoam/trend)

## **Top styrofoam search terms**

- **styrofoam**50K/yr-10.2%1.8% conv. - **polystyrene block**47K/yr-11.6%2.5% conv. - **polystyrene**37K/yr-21.9%1.5% conv. - **styrofoam block**18K/yr-29.3%1.5% conv. - **polystyrene foam**7K/yr-8.3%1.9% conv. - **polystyrene blocks**6K/yr-24.6%1.9% conv. - **styrofoam blocks**4K/yr-21.9%2.9% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/styrofoam/search-terms)

## **Top styrofoam 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%15%£8K30%£15K45%£23K60%£31K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Aselected 15Pcs Styrofoam Blocks For Porject 30 X 15 X 2.5Cm Polystyrene Craft Foam Blocks For Sculpting Modeling Diy Arts Crafting Kids Class Floral Arrangement(White)](https://m.media-amazon.com/images/I/31fcP7yNxuL.jpg)**Aselected 15Pcs Styrofoam Blocks For Porject 30 X 15 X 2.5Cm Polystyrene Craft Foam Blocks For Sculpting Modeling Diy Arts Crafting Kids Class Floral Arrangement(White)**ASelected**£6.85**4.4★281 rev](https://www.amazon.co.uk/dp/B0CCHQGB51) [2![Polystyrene Solid Foam Cubes 100mm (10cm) - Pack of 1 - For Crafts Sculpting Floral Arrangements & Centerpieces Floral Foam Blocks For Artificial Flowers Foam Sheets for Weddings Christmas & Easter](https://m.media-amazon.com/images/I/413FjudJ4OL.jpg)**Polystyrene Solid Foam Cubes 100mm (10cm) - Pack of 1 - For Crafts Sculpting Floral Arrangements & Centerpieces Floral Foam Blocks For Artificial Flowers Foam Sheets for Weddings Christmas & Easter**Generic**£6.03**4.2★16 rev](https://www.amazon.co.uk/dp/B0D9FV86MD) [3![YOUEON 12 PCS Craft Foam Blocks 20x10x5cm White Thick Foam Rectangle Blocks Polystyrene Bricks for Arts and Crafts Sculptures Modeling Packing School Home](https://m.media-amazon.com/images/I/31wDOJNhJHS.jpg)**YOUEON 12 PCS Craft Foam Blocks 20x10x5cm White Thick Foam Rectangle Blocks Polystyrene Bricks for Arts and Crafts Sculptures Modeling Packing School Home**YOUEON**£13.11**4.5★261 rev](https://www.amazon.co.uk/dp/B094Z8HS8C) [4![ASelected 10 Pack 255 X 200Mm Foam Board 5Mm Thick Polystyrene Foam Sheet for Model Making Mounting Photos Presentations Arts and Crafts Projects (White)](https://m.media-amazon.com/images/I/21Xk9+CU+7L.jpg)**ASelected 10 Pack 255 X 200Mm Foam Board 5Mm Thick Polystyrene Foam Sheet for Model Making Mounting Photos Presentations Arts and Crafts Projects (White)**ASelected**£5.89**4.5★56 rev](https://www.amazon.co.uk/dp/B0D5QRG2B5) [5![Culpitt 8 x 2 Round Cake Dummy Square Edge Cake Form Separator For Practice or Displays Smooth Polystyrene](https://m.media-amazon.com/images/I/31-Hs9MBjBL.jpg)**Culpitt 8 x 2 Round Cake Dummy Square Edge Cake Form Separator For Practice or Displays Smooth Polystyrene**Culpitt**£4.21**4.6★689 rev](https://www.amazon.co.uk/dp/B00M1RG8TC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![LOMIMOS 8 Pcs White Craft Polystyrene Foam Block for Project 15 X 10 X 15cm](https://m.media-amazon.com/images/I/219aq3J1xYL.jpg)**LOMIMOS 8 Pcs White Craft Polystyrene Foam Block for Project 15 X 10 X 15cm**LOMIMOS**£8.54**0 rev3mo ago](https://www.amazon.co.uk/dp/B0GY86T3TW) [![6 Pack Foam Board for Crafts 20mm Thick Polystyrene Foam Sheet for DIY Crafts Modeling Sculpture Arts and Crafts Projects 30x20x2cm](https://m.media-amazon.com/images/I/31urwzMGI-L.jpg)**6 Pack Foam Board for Crafts 20mm Thick Polystyrene Foam Sheet for DIY Crafts Modeling Sculpture Arts and Crafts Projects 30x20x2cm**ZYNERY**£12.27**33 rev1y ago](https://www.amazon.co.uk/dp/B0F53JPTHD) [![Polystyrene Solid Foam Cubes 100mm (10cm) - Pack of 1 - For Crafts Sculpting Floral Arrangements & Centerpieces Floral Foam Blocks For Artificial Flowers Foam Sheets for Weddings Christmas & Easter](https://m.media-amazon.com/images/I/413FjudJ4OL.jpg)**Polystyrene Solid Foam Cubes 100mm (10cm) - Pack of 1 - For Crafts Sculpting Floral Arrangements & Centerpieces Floral Foam Blocks For Artificial Flowers Foam Sheets for Weddings Christmas & Easter**Generic**£6.03**16 rev2y ago](https://www.amazon.co.uk/dp/B0D9FV86MD) [![ASelected 10 Pack 255 X 200Mm Foam Board 5Mm Thick Polystyrene Foam Sheet for Model Making Mounting Photos Presentations Arts and Crafts Projects (White)](https://m.media-amazon.com/images/I/21Xk9+CU+7L.jpg)**ASelected 10 Pack 255 X 200Mm Foam Board 5Mm Thick Polystyrene Foam Sheet for Model Making Mounting Photos Presentations Arts and Crafts Projects (White)**ASelected**£5.89**56 rev2y ago](https://www.amazon.co.uk/dp/B0D5QRG2B5) [![sanvpwsan 4pcs Floral Foam Polystyrene Blocks Bricks Perfect Flower Foam Block Ideal for Floristry Supplies Artificial & Fresh Flowers Weddings and Funeral Arrangements](https://m.media-amazon.com/images/I/317ppTwQZML.jpg)**sanvpwsan 4pcs Floral Foam Polystyrene Blocks Bricks Perfect Flower Foam Block Ideal for Floristry Supplies Artificial & Fresh Flowers Weddings and Funeral Arrangements**sanvpwsan**£7.04**20 rev2y ago](https://www.amazon.co.uk/dp/B0D1XVLBMB)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![LOMIMOS 8 Pcs White Craft Polystyrene Foam Block for Project 15 X 10 X 15cm](https://m.media-amazon.com/images/I/219aq3J1xYL.jpg)**LOMIMOS 8 Pcs White Craft Polystyrene Foam Block for Project 15 X 10 X 15cm**LOMIMOS**£8.54**0.0★**▲ 284%**](https://www.amazon.co.uk/dp/B0GY86T3TW) [![YOUEON 12 PCS Craft Foam Blocks 20x10x5cm White Thick Foam Rectangle Blocks Polystyrene Bricks for Arts and Crafts Sculptures Modeling Packing School Home](https://m.media-amazon.com/images/I/31wDOJNhJHS.jpg)**YOUEON 12 PCS Craft Foam Blocks 20x10x5cm White Thick Foam Rectangle Blocks Polystyrene Bricks for Arts and Crafts Sculptures Modeling Packing School Home**YOUEON**£13.11**4.5★**▲ 68%**](https://www.amazon.co.uk/dp/B094Z8HS8C) [![6 Pack Foam Board for Crafts 20mm Thick Polystyrene Foam Sheet for DIY Crafts Modeling Sculpture Arts and Crafts Projects 30x20x2cm](https://m.media-amazon.com/images/I/31urwzMGI-L.jpg)**6 Pack Foam Board for Crafts 20mm Thick Polystyrene Foam Sheet for DIY Crafts Modeling Sculpture Arts and Crafts Projects 30x20x2cm**ZYNERY**£12.27**4.5★**▲ 25%**](https://www.amazon.co.uk/dp/B0F53JPTHD) [![Triplast Expanded Polystyrene Foam Sheets EPS 70 (10 Sheets 600 x 400 x 10mm Each) - BBA Certified Wall & Floor Insulation Board - Box Lining & Packaging Foam Board - White Blocks for DIY Projects](https://m.media-amazon.com/images/I/41UYtGTPwSL.jpg)**Triplast Expanded Polystyrene Foam Sheets EPS 70 (10 Sheets 600 x 400 x 10mm Each) - BBA Certified Wall & Floor Insulation Board - Box Lining & Packaging Foam Board - White Blocks for DIY Projects**Triplast**£12.55**4.5★**— 10%**](https://www.amazon.co.uk/dp/B0CZTVNM5B) [![Triplast Expanded Polystyrene Foam Sheets EPS 70 (10 Sheets 600 x 400 x 25mm Each) - BBA Certified Wall & Floor Insulation Board - Box Lining & Packaging Foam Board - White Blocks for DIY Projects](https://m.media-amazon.com/images/I/41WQXI2X+uL.jpg)**Triplast Expanded Polystyrene Foam Sheets EPS 70 (10 Sheets 600 x 400 x 25mm Each) - BBA Certified Wall & Floor Insulation Board - Box Lining & Packaging Foam Board - White Blocks for DIY Projects**Triplast**£15.46**4.5★**— 6%**](https://www.amazon.co.uk/dp/B0CZTXPWYD)

**~~View all trending →~~**

## **What buyers say about styrofoam**

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

### **What buyers love **

**Advertised Vs Actual Product**27%

*“As advertised”*

**Foam**13%

*“Great foam boards for model makers”*

**Value For Money**12%

*“great value for money”*

**Quality-Overall**10%

*“Great product”*

**Strength**7%

*“Good value and seem nice and strong”*

**Efficiency**7%

*“Worked great on my model railway”*

**Drawing Experience**3%

*“Good for crafting with children”*

**Durability**3%

*“Lightweight and durable”*

**Weight Light**2%

*“very lightweight”*

**Thickness**2%

*“Right thickness,”*

### **What buyers complain about **

**Durability**21%

*“It breaks up”*

**Thickness**17%

*“These are thin”*

**Paper Quality**17%

*“Not paper covered”*

**Quality-Overall**6%

*“Poor quality”*

**Ease Of Cleaning**4%

*“One downside is that it can get quite messy during cutting and shaping”*

### **Top return reasons **

**Size-Overall**45%

**Material Quality**9%

**Strength**6%

**Thin**6%

**Advertised Vs Actual Product**4%

**Quality-Overall**4%

**Foam**3%

**Hard Feel**3%

**Thickness**2%

**Functionality-Overall**2%

## **Common questions**

<dl>

<dt>**Is styrofoam profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £51K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.1%. Flapen's verdict: Skip it (35/100).</dd>

<dt>**How competitive is the styrofoam niche?**</dt><dd>10 brands and 16 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in styrofoam?**</dt><dd>Top complaints mined from reviews: Durability, Thickness, Paper Quality. The return rate is 1.0%.</dd>

<dt>**When does demand for styrofoam peak?**</dt><dd>Demand peaks in Nov; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the styrofoam niche?**</dt><dd>Listings span £4.21–£15.46; the average listing price is £9.24 (sweet spot $15–$100). The average incumbent carries 188 reviews — the moat a new listing must climb.</dd>

</dl>

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