---
title: "Caster Sugar — £124K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/caster-sugar"
last_updated: "2026-07-31T15:57:29.635Z"
locale: en
meta:
description: "Niche score 39/100 · £124K/yr market · 100K searches/yr · £6.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · £124K/yr market · 100K searches/yr · £6.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Caster Sugar — £124K/yr Amazon UK Niche (2026) - Flapen"
---
# **caster sugar**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 20Conversion 100Competition 17Returns 100Price range 37Avg price 17Brand share 0Review moat 74Quality gap 24
**Conversion**
**Incredible****20.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****558.54**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£1.26–£22.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****£124K**
£124K/yr · 100K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-10.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Avg price**
**Bad****£6.16**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, caster sugar is a £124K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **caster sugar market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **£123K–£154K**
- units × avg price
- **Conversion rate**
- **20.1%**
- **Avg BSR**
- **#13**
- **Page quality**
- **0%**
- **Prime**
- **77%**
- **Sponsored**
- **31%**
- **Out of stock**
- **5.9%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**68**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**0%**
- Tate & Lyle86% - Saras Flavours of Asia8% - Silver Spoon3% - Old India2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 59 weeks — -10.4% search growth over the last 90 days.
3K2KSpike '25Holiday '25Spike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/grocery/caster-sugar/trend)
## **Top caster sugar search terms**
- **caster sugar**93K/yr-10.3%19.5% conv. - **castor sugar**6K/yr-2.3%16.4% conv. - **caster sugar for baking**1K/yr-50.6%7.5% conv. [**All search terms **](https://flapen.com/research/uk/grocery/caster-sugar/search-terms)
## **Top caster sugar 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%£12K20%£25K30%£37K40%£50K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Tate & Lyle Caster Sugar 500g**Tate & Lyle**£1.86**4.5★56 rev](https://www.amazon.co.uk/dp/B06WLL7DYB) [2**Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 1 kg**Tate & Lyle**£2.39**4.7★838 rev](https://www.amazon.co.uk/dp/B07D7CT3W6) [3**Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 2kg**Tate & Lyle**£4.45**4.8★39 rev](https://www.amazon.co.uk/dp/B01BLFMIHU) [4**Pure Cane Caster Sugar 500g Bag (Pack of 2) | Ultra-Fine Granulated Cane Sugar for Baking & Dessert Use Vegan Vegetarian & Kosher-Friendly | Packed by Saras Foods UK**Saras Flavours of Asia**£5.49**4.6★44 rev](https://www.amazon.co.uk/dp/B0FKHGHRD3) [5**Tate & Lyle Fairtrade Golden Caster Sugar - 1kg**Tate & Lyle**£2.66**4.5★62 rev](https://www.amazon.co.uk/dp/B07PBBLD5F)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Silver Spoon Caster Sugar 500g**Silver Spoon**£1.36**2 rev5mo ago](https://www.amazon.co.uk/dp/B07PNHS187) [**Pure Cane Caster Sugar 500g Bag (Pack of 2) | Ultra-Fine Granulated Cane Sugar for Baking & Dessert Use Vegan Vegetarian & Kosher-Friendly | Packed by Saras Foods UK**Saras Flavours of Asia**£5.49**44 rev11mo ago](https://www.amazon.co.uk/dp/B0FKHGHRD3) [**Pure Cane Caster Sugar 500g Bag (Pack of 6) | Ultra-Fine Granulated Cane Sugar for Baking & Dessert Use Vegan Vegetarian & Kosher-Friendly | Packed by Saras Foods UK**Saras Flavours of Asia**£9.00**34 rev11mo ago](https://www.amazon.co.uk/dp/B0FKHGDCTS) [**Old India Caster Sugar 5kg**Old India**£10.13**206 rev5y ago](https://www.amazon.co.uk/dp/B08MDFLBKL) [**Tate & Lyle Caster Sugar 500g**Tate & Lyle**£1.86**56 rev7y ago](https://www.amazon.co.uk/dp/B06WLL7DYB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Silver Spoon Caster Sugar 500g**Silver Spoon**£1.36**4.5★**▲ 76%**](https://www.amazon.co.uk/dp/B07PNHS187) [**Tate and Lyle Granulated Sugar 1 kg**Tate & Lyle**£1.32**4.7★**▲ 60%**](https://www.amazon.co.uk/dp/B002RRE4QA) [**Old India Caster Sugar 5kg**Old India**£10.13**4.6★**▲ 35%**](https://www.amazon.co.uk/dp/B08MDFLBKL) [**Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 1 kg**Tate & Lyle**£2.39**4.7★**▲ 20%**](https://www.amazon.co.uk/dp/B07D7CT3W6) [**Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 2kg**Tate & Lyle**£4.45**4.8★**— 8%**](https://www.amazon.co.uk/dp/B01BLFMIHU)
**~~View all trending →~~**
## **What buyers say about caster sugar**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sweetness**36%
*“Good sugar”*
**Value For Money**24%
*“Good price”*
**Quality-Overall**17%
*“PERFECT AS USUAL”*
**Advertised Vs Actual Product**6%
*“Just as advertised”*
**Taste-Overall**6%
*“Great taste”*
**Size-Overall**2%
*“Good size”*
**Artificial Sweeteners**2%
*“This is how sugar has always tasted to me and my elder siblings and parents, pure sugar, the texture is also right”*
**Baking**2%
*“Great for baking”*
**Ease Of Use**1%
*“easy to use”*
**Durability**1%
*“Durability of this sugar is great and price”*
### **What buyers complain about **
**Sweetness**32%
*“Too Sweet”*
**Value For Money**32%
*“It's VERY VERY POOR VALUE”*
**Artificial Sweeteners**18%
*“Well at sometime I can not have my honey on food”*
**Size-Overall**5%
*“Small packs”*
**Color**5%
*“disappointed as I thought is darker when I selected it”*
## **Common questions**
- **Is caster sugar profitable to sell on Amazon United Kingdom?**
- The niche generates £124K/yr across 13 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -10.4%. Flapen's verdict: Skip it (39/100).
- **How competitive is the caster sugar niche?**
- 4 brands and 68 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in caster sugar?**
- Top complaints mined from reviews: Sweetness, Value For Money, Artificial Sweeteners. The return rate is 0.0%.
- **When does demand for caster sugar peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the caster sugar niche?**
- Listings span £1.26–£22.97; the average listing price is £6.16 (sweet spot $15–$100). The average incumbent carries 559 reviews — the moat a new listing must climb.
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