Is sandwich filler profitable to sell on Amazon United Kingdom?

The niche generates £92K/yr across 19 tracked products. 90-day search growth is -0.6%. Flapen's verdict: Skip it (42/100).

How competitive is the sandwich filler niche?

5 brands and 22 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in sandwich filler?

Top complaints mined from reviews: Flavor, Value For Money, Taste-Overall. The return rate is 0.0%.

When does demand for sandwich filler peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the sandwich filler niche?

Listings span £1.38–£3.23; the average listing price is £2.19 (sweet spot $15–$100). The average incumbent carries 1,220 reviews — the moat a new listing must climb.

sandwich filler

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible24.6%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,220.26

avg incumbent reviews — the moat a new listing must climb

Competition

Okay66%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-0.6%

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

Market size

Bad£92K

£92K/yr · 171K searches

Avg price

Bad£2.19

avg listing price — sweet spot $15–$100

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£1.38–£3.23

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

According to Flapen's Amazon United Kingdom niche tracking, sandwich filler is a £92K/yr Amazon United Kingdom market (171K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

sandwich filler market data

Units sold / yr: 40K–50K; avg 1,500–2,000/product
Revenue / yr: £88K–£110K; units × avg price
Conversion rate: 24.6%
Avg BSR: #97
Page quality: 0%
Prime: 100%
Sponsored: 0%
Out of stock: 0.0%
Avg brand age: 71 months
Avg seller age: 174 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

Morrisons75%
HEINZ19%
Iceland3%
Mrs Elswood2%
Mash Direct1%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top sandwich filler search terms

sandwich filler126K/yr -4.1%22.2% conv.
sandwich spread29K/yr +12.8%13.0% conv.
sandwich fillers9K/yr +18.7%19.4% conv.
heinz sandwich spread4K/yr -15.2%12.9% conv.
sandwich spread heinz3K/yr -26.6%17.3% conv.

All search terms

Top sandwich filler 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.

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

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Heinz Sandwich Spread 300g

HEINZ£1.654.6★1,283 rev

Morrisons Tuna & Sweetcorn 200g

Morrisons£1.974.3★474 rev

Morrisons Chicken & Sweetcorn 200g

Morrisons£1.974.5★308 rev

Morrisons Egg Mayonnaise 200g

Morrisons£2.034.4★477 rev

Morrisons Coronation Chicken 400g

Morrisons£2.744.5★837 rev

Newest

by launch date

Iceland Egg Mayonnaise Sandwich Filler 250g

Iceland£1.9624 rev

1y ago

Iceland Tuna & Sweetcorn Sandwich Filler 250g

Iceland£1.9615 rev

2y ago

Iceland Cheese & Onion Sandwich Filler 250g

Iceland£1.9510 rev

2y ago

Morrisons Tuna & Sweetcorn 200g

Morrisons£1.97474 rev

3y ago

Morrisons Chicken & Sweetcorn 200g

Morrisons£1.97308 rev

3y ago

What buyers say about sandwich filler

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

What buyers love

Taste-Overall51%

“VERY TASTY”

Quality-Overall12%

“Excellent product”

Value For Money6%

“Good value for the price”

Flavor5%

“Original flavor, yummy”

Freshness4%

“Fresh”

Ease Of Use3%

“Handy to have”

Advertised Vs Actual Product3%

“As expected”

Ingredients-Overall2%

“A tasty sandwich ingredient”

Blend/Ratio2%

“Lovely spread on mixed seed crackers”

Storage Temperature2%

“If they want to freeze this item it is great”

What buyers complain about

Flavor16%

“Flavour has changed”

Value For Money9%

“Maybe a little expensive that it should be”

Taste-Overall9%

“And the taste was putrid”

Salt Content7%

“high sodium taste that many other pickles tend to have”

Oily/Greasy6%

“Sent one that was full of fat”

Sour6%

“Very Acidic 😞 Not nice”

Chunk/Clump/Collection6%

“Chopped humpty in mayu”

Moist/Dry4%

“it tended to dry out too quickly”

Cooking Instructions3%

“Not nice and cooking instructions are terrible”

Durability3%

“It doesnt last long in my house”

Common questions

Is sandwich filler profitable to sell on Amazon United Kingdom?: The niche generates £92K/yr across 19 tracked products. 90-day search growth is -0.6%. Flapen's verdict: Skip it (42/100).
How competitive is the sandwich filler niche?: 5 brands and 22 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sandwich filler?: Top complaints mined from reviews: Flavor, Value For Money, Taste-Overall. The return rate is 0.0%.
When does demand for sandwich filler peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the sandwich filler niche?: Listings span £1.38–£3.23; the average listing price is £2.19 (sweet spot $15–$100). The average incumbent carries 1,220 reviews — the moat a new listing must climb.