---
title: "Small Oil Filled Radiator — £74K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/small-oil-filled-radiator"
last_updated: "2026-07-31T14:12:39.346Z"
locale: en
meta:
  description: "Niche score 39/100 · £74K/yr market · 98K searches/yr · £22.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 39/100 · £74K/yr market · 98K searches/yr · £22.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Small Oil Filled Radiator — £74K/yr Amazon UK Niche (2026) - Flapen"
---

# **small oil filled radiator**

**Skip it**

Soft demand (-74.1% this quarter) — this niche doesn't clear our bar today.

Market size 19Growth 0Conversion 42Competition 25Returns 39Price range 92Avg price 94Brand share 44Review moat 44Quality gap 86

**Avg price**

**Great****£22.77**

avg listing price — sweet spot $15–$100

**Price range**

**Great****£13.78–£47.47**

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

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****79%**

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

**Review moat**

**Okay****2,131**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****3.3%**

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

**Returns**

**Okay****3.9%**

return rate — above 5% kills the launch gate

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****£74K**

£74K/yr · 98K searches

**Growth**

**Bad****-74.1%**

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

According to Flapen's Amazon United Kingdom niche tracking, small oil filled radiator is a £74K/yr Amazon United Kingdom market (98K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 39/100.

Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **small oil filled radiator market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£91K–£114K**</dd><dd>units × avg price</dd>

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

<dt>**Avg BSR**</dt><dd>**#105**</dd>

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

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

<dt>**Sponsored**</dt><dd>**57%**</dd>

<dt>**Out of stock**</dt><dd>**23.1%**</dd>

<dt>**Avg brand age**</dt><dd>**49 months**</dd>

<dt>**Avg seller age**</dt><dd>**185 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**11 **▼falling

**Sellers**

**32**

**Top-5 brand share**

**79%**

Top 20: 100%

**Top-5 click share**

**71%**

Top 20: 100%

**Open market**

**15%**

- Warmlite34% - Status18% - De'Longhi10% - Schallen9% - Russell Hobbs8% - GEEPAS7% - Open — no brand owns it (5 brands, 15%)

## **Demand**

Weekly Amazon search volume, last 41 weeks — -74.1% search growth over the last 90 days.

9K7KSpike '25Black Friday '25Spike '26Oct '25Nov '25Jan '26Feb '26Mar '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/uk/diy-tools/small-oil-filled-radiator/trend)

## **Top small oil filled radiator search terms**

- **small oil filled radiator**31K/yr-72.8%3.9% conv. - **mini oil filled radiator**17K/yr-72.2%3.5% conv. - **mini radiator**10K/yr-67.0%2.6% conv. - **small electric radiator**7K/yr-62.6%0.9% conv. - **small oil filled radiator for campervan**4K/yr-40.6%2.5% conv. - **small oil heater**10K/yr-79.6%4.6% conv. - **500w oil filled radiators**9K/yr-85.6%6.0% conv. - **oil filled radiator small**5K/yr-79.7%3.9% conv. - **small oil filled radiators free standing**5K/yr-91.1%2.1% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/small-oil-filled-radiator/search-terms)

## **Top small oil filled radiator 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%£15K30%£22K40%£30K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

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

### **Top sellers**

by 90-day click share

[1![Warmlite 5 Fin Oil Filled Radiator with Adjustable Thermostat and Overheat Protection 650W White WL43002YW](https://m.media-amazon.com/images/I/21GaC8GrIZL.jpg)**Warmlite 5 Fin Oil Filled Radiator with Adjustable Thermostat and Overheat Protection 650W White WL43002YW**Warmlite**£16.22**4.0★4,114 rev](https://www.amazon.co.uk/dp/B07XYJ3K1F) [2![STATUS 5 Fin Oil Filled Radiator 500W Portable Electric Heater with Adjustable Thermostat Overheat & Tip-Over Safety Carry Handle for Home Bedroom Office Caravan White (OFH5-500W1PKB)](https://m.media-amazon.com/images/I/31syyL7noGL.jpg)**STATUS 5 Fin Oil Filled Radiator 500W Portable Electric Heater with Adjustable Thermostat Overheat & Tip-Over Safety Carry Handle for Home Bedroom Office Caravan White (OFH5-500W1PKB)**Status**£13.78**4.1★220 rev](https://www.amazon.co.uk/dp/B00F42AC1G) [3![DeLonghi TRNS0505M Oil Filled Radiator - White](https://m.media-amazon.com/images/I/41A0CUg5DxL.jpg)**DeLonghi TRNS0505M Oil Filled Radiator - White**De'Longhi**£47.47**4.5★2,562 rev](https://www.amazon.co.uk/dp/B01M0UHYDT) [4![Russell Hobbs 650W Oil Filled Radiator 5 Fin Portable Electric Heater - Black Adjustable Thermostat Safety Cut-off 10 m sq Room Size RHOFR3001 2 Year Guarantee](https://m.media-amazon.com/images/I/3171PHy-vwL.jpg)**Russell Hobbs 650W Oil Filled Radiator 5 Fin Portable Electric Heater - Black Adjustable Thermostat Safety Cut-off 10 m sq Room Size RHOFR3001 2 Year Guarantee**Russell Hobbs**£22.38**4.0★3,975 rev](https://www.amazon.co.uk/dp/B08BCRYWHG) [5![Schallen 800W 6 Fins Black Portable Electric Slim Oil Filled Radiator Heater with Adjustable Temperature Thermostat Modern Fast Home Heating (Black 800W)](https://m.media-amazon.com/images/I/31DSLTWvOOL.jpg)**Schallen 800W 6 Fins Black Portable Electric Slim Oil Filled Radiator Heater with Adjustable Temperature Thermostat Modern Fast Home Heating (Black 800W)**Schallen**£20.34**4.0★1,508 rev](https://www.amazon.co.uk/dp/B082WH3H8K)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Abode 5 Fin Oil Filled Radiator 650W Portable Electric Heater in White Overheat Protection & Tip Over Protection Portable with Integrated Handle AOFR5001](https://m.media-amazon.com/images/I/31YjQTFWwgL.jpg)**Abode 5 Fin Oil Filled Radiator 650W Portable Electric Heater in White Overheat Protection & Tip Over Protection Portable with Integrated Handle AOFR5001**Abode**£17.46**152 rev10mo ago](https://www.amazon.co.uk/dp/B0FPRHF3RZ) [![Schallen Portable Electric Slim Oil Filled Radiator Heater with Adjustable Temperature Thermostat & Safety Cut Off (WHITE 800W with 6 Fins)](https://m.media-amazon.com/images/I/31lc+OazMlL.jpg)**Schallen Portable Electric Slim Oil Filled Radiator Heater with Adjustable Temperature Thermostat & Safety Cut Off (WHITE 800W with 6 Fins)**Schallen**£18.13**1 rev1y ago](https://www.amazon.co.uk/dp/B00D8WVIV2) [![Rediffusion Oil Filled Radiator 650W 5 Fin Adjustable Thermostat Compact & Portable Overheat Protection Rapid Heat Convection Technology White - REDB125A](https://m.media-amazon.com/images/I/31UX78MRXrL.jpg)**Rediffusion Oil Filled Radiator 650W 5 Fin Adjustable Thermostat Compact & Portable Overheat Protection Rapid Heat Convection Technology White - REDB125A**Rediffusion**£23.16**10 rev2y ago](https://www.amazon.co.uk/dp/B0D4RBYTYY) [![GEEPAS Oil Filled Radiator Heater 5 Fin | Adjustable Thermostat 450W White](https://m.media-amazon.com/images/I/21zLm41CAkL.jpg)**GEEPAS Oil Filled Radiator Heater 5 Fin | Adjustable Thermostat 450W White**GEEPAS**£20.25**640 rev2y ago](https://www.amazon.co.uk/dp/B0CLRGF433) [![GEEPAS Oil Filled Radiator Heater 5 Fin | Adjustable Thermostat 450W Black](https://m.media-amazon.com/images/I/319Hvg2wyGL.jpg)**GEEPAS Oil Filled Radiator Heater 5 Fin | Adjustable Thermostat 450W Black**GEEPAS**£22.71**640 rev2y ago](https://www.amazon.co.uk/dp/B0CLRJTGMD)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Schallen Portable Electric Slim Oil Filled Radiator Heater with Adjustable Temperature Thermostat & Safety Cut Off (WHITE 800W with 6 Fins)](https://m.media-amazon.com/images/I/31lc+OazMlL.jpg)**Schallen Portable Electric Slim Oil Filled Radiator Heater with Adjustable Temperature Thermostat & Safety Cut Off (WHITE 800W with 6 Fins)**Schallen**£18.13**5.0★**▲ 352%**](https://www.amazon.co.uk/dp/B00D8WVIV2) [![Belaco 1200W Mini Oil Filled Radiator 11 Fin Portable Electric Heater with Adjustable Thermostat Quiet Energy Efficient Room Heater](https://m.media-amazon.com/images/I/31mP4ohGgaL.jpg)**Belaco 1200W Mini Oil Filled Radiator 11 Fin Portable Electric Heater with Adjustable Thermostat Quiet Energy Efficient Room Heater**Belaco**£24.79**4.3★**▲ 181%**](https://www.amazon.co.uk/dp/B0CLB7W423) [![Rediffusion Oil Filled Radiator 650W 5 Fin Adjustable Thermostat Compact & Portable Overheat Protection Rapid Heat Convection Technology White - REDB125A](https://m.media-amazon.com/images/I/31UX78MRXrL.jpg)**Rediffusion Oil Filled Radiator 650W 5 Fin Adjustable Thermostat Compact & Portable Overheat Protection Rapid Heat Convection Technology White - REDB125A**Rediffusion**£23.16**2.9★**▲ 152%**](https://www.amazon.co.uk/dp/B0D4RBYTYY) [![Warmlite 650W 5 Fin Oil Filled Radiator with Adjustable Thermostat and Overheat Protection Dark Titanium WL43002YDT](https://m.media-amazon.com/images/I/315H+ML0wEL.jpg)**Warmlite 650W 5 Fin Oil Filled Radiator with Adjustable Thermostat and Overheat Protection Dark Titanium WL43002YDT**Warmlite**£19.85**4.0★**▲ 152%**](https://www.amazon.co.uk/dp/B08K8YTC6B) [![STATUS 5 Fin Oil Filled Radiator 500W Portable Electric Heater with Adjustable Thermostat Overheat & Tip-Over Safety Carry Handle for Home Bedroom Office Caravan White (OFH5-500W1PKB)](https://m.media-amazon.com/images/I/31syyL7noGL.jpg)**STATUS 5 Fin Oil Filled Radiator 500W Portable Electric Heater with Adjustable Thermostat Overheat & Tip-Over Safety Carry Handle for Home Bedroom Office Caravan White (OFH5-500W1PKB)**Status**£13.78**4.1★**▲ 31%**](https://www.amazon.co.uk/dp/B00F42AC1G)

**~~View all trending →~~**

## **What buyers say about small oil filled radiator**

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

### **What buyers love **

**Value For Money**15%

*“GREAT VALUE”*

**Noise Level**11%

*“Quiet and works well”*

**Quality-Overall**10%

*“Really well made”*

**Remote Control**8%

*“Convenient remote”*

**Ease Of Use**6%

*“Easy to use”*

**Heating**5%

*“Great heater”*

**Advertised Vs Actual Product**4%

*“This was exactly as described”*

**Compactness**4%

*“Cute and compact”*

**Strength**4%

*“Powerful little item”*

**Size-Overall**4%

*“I was impressed with the compact size”*

### **What buyers complain about **

**Leak-Proof**18%

*“Leaks Oil”*

**Size-Overall**17%

*“Size isn't everything”*

**Durability**11%

*“Broken after 1 year”*

**Heating**8%

*“not great heat even in smaller place”*

**Quality-Overall**7%

*“Not very good after only a couple of weeks”*

**Value For Money**5%

*“more expensive-dont buy”*

**Noise Level**3%

*“Makes a clicking sound every so often which gets annoying”*

**Flammable**2%

*“it caused a fire”*

**Product Condition**2%

*“Item had obviously previously been returned”*

**Rusts/Corrodes**2%

*“The unit had rust spots on it”*

### **Top return reasons **

**Size-Overall**32%

**Functionality-Overall**14%

**Heating**10%

**Defective Material/Parts**7%

**Strength**6%

**Leak-Proof**5%

**Noise Level**4%

**Quality-Overall**3%

**Value For Money**3%

**Smell**2%

## **Common questions**

<dl>

<dt>**Is small oil filled radiator profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £74K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -74.1%. Flapen's verdict: Skip it (39/100).</dd>

<dt>**How competitive is the small oil filled radiator niche?**</dt><dd>11 brands and 32 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 79% of demand.</dd>

<dt>**What do buyers complain about in small oil filled radiator?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Size-Overall, Durability. The return rate is 3.9%.</dd>

<dt>**What does it cost to enter the small oil filled radiator niche?**</dt><dd>Listings span £13.78–£47.47; the average listing price is £22.77 (sweet spot $15–$100). The average incumbent carries 2,131 reviews — the moat a new listing must climb.</dd>

</dl>

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