caster sugar
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible20.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Review moat
Good558.54avg incumbent reviews — the moat a new listing must climb
Price range
Okay£1.26–£22.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£124K£124K/yr · 100K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-10.4%90-day search growth — must beat 0% to launch
Competition
Bad80%top-5 click share — a locked-up shelf
Avg price
Bad£6.16avg listing price — sweet spot $15–$100
Brand share
Bad100%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
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.No pronounced peak months · busiest ÷ quietest = 1.7×
Top caster sugar search terms
- caster sugar93K/yr
- castor sugar6K/yr
- caster sugar for baking1K/yr
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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Tate & Lyle Caster Sugar 500g
Tate & Lyle£1.864.5★56 rev
Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 1 kg
Tate & Lyle£2.394.7★838 rev
Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 2kg
Tate & Lyle£4.454.8★39 rev
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£5.494.6★44 rev
Tate & Lyle Fairtrade Golden Caster Sugar - 1kg
Tate & Lyle£2.664.5★62 rev
Newest
by launch date
Silver Spoon Caster Sugar 500g
Silver Spoon£1.362 rev
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£5.4944 rev
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£9.0034 rev
Old India Caster Sugar 5kg
Old India£10.13206 rev
Tate & Lyle Caster Sugar 500g
Tate & Lyle£1.8656 rev
Trending
90-day click momentumSilver Spoon Caster Sugar 500g
Silver Spoon£1.364.5★
Tate and Lyle Granulated Sugar 1 kg
Tate & Lyle£1.324.7★
Old India Caster Sugar 5kg
Old India£10.134.6★
Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 1 kg
Tate & Lyle£2.394.7★
Tate & Lyle Fairtrade Caster Sugar Finely Ground Granulated Sugar - 2kg
Tate & Lyle£4.454.8★
What buyers say about caster sugar
What buyers praise and complain about, mined from review topics.What buyers love
“Good sugar”
“Good price”
“PERFECT AS USUAL”
“Just as advertised”
“Great taste”
“Good size”
“This is how sugar has always tasted to me and my elder siblings and parents, pure sugar, the texture is also right”
“Great for baking”
“easy to use”
“Durability of this sugar is great and price”
What buyers complain about
“Too Sweet”
“It's VERY VERY POOR VALUE”
“Well at sometime I can not have my honey on food”
“Small packs”
“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.