---
title: "Sandwich Filler — £92K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/sandwich-filler"
last_updated: "2026-07-31T14:14:17.730Z"
locale: en
meta:
description: "Niche score 42/100 · £92K/yr market · 171K searches/yr · £2.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £92K/yr market · 171K searches/yr · £2.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sandwich Filler — £92K/yr Amazon UK Niche (2026) - Flapen"
---
# **sandwich filler**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 23Growth 25Conversion 100Competition 32Returns 100Price range 0Avg price 6Brand share 0Review moat 57Quality gap 72
**Conversion**
**Incredible****24.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,220.26**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****66%**
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**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**22**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**66%**
Top 20: 100%
**Open market**
**0%**
- 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.
4K3K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/grocery/sandwich-filler/trend)
## **Top sandwich filler search terms**
- **sandwich filler**126K/yr-4.1%22.2% conv. - **sandwich spread**29K/yr+12.8%13.0% conv. - **sandwich fillers**9K/yr+18.7%19.4% conv. - **heinz sandwich spread**4K/yr-15.2%12.9% conv. - **sandwich spread heinz**3K/yr-26.6%17.3% conv. [**All search terms **](https://flapen.com/research/uk/grocery/sandwich-filler/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.
0%5%£5K10%£9K15%£14K20%£18K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Heinz Sandwich Spread 300g**HEINZ**£1.65**4.6★1,283 rev](https://www.amazon.co.uk/dp/B019DLRANG) [2**Morrisons Tuna & Sweetcorn 200g**Morrisons**£1.97**4.3★474 rev](https://www.amazon.co.uk/dp/B0BL96J6TQ) [3**Morrisons Chicken & Sweetcorn 200g**Morrisons**£1.97**4.5★308 rev](https://www.amazon.co.uk/dp/B0BL921SJ6) [4**Morrisons Egg Mayonnaise 200g**Morrisons**£2.03**4.4★477 rev](https://www.amazon.co.uk/dp/B0BL8J52MJ) [5**Morrisons Coronation Chicken 400g**Morrisons**£2.74**4.5★837 rev](https://www.amazon.co.uk/dp/B01J13U0DS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Iceland Egg Mayonnaise Sandwich Filler 250g**Iceland**£1.96**24 rev1y ago](https://www.amazon.co.uk/dp/B0CKJ17N5G) [**Iceland Tuna & Sweetcorn Sandwich Filler 250g**Iceland**£1.96**15 rev2y ago](https://www.amazon.co.uk/dp/B0D5MGM6TW) [**Iceland Cheese & Onion Sandwich Filler 250g**Iceland**£1.95**10 rev2y ago](https://www.amazon.co.uk/dp/B0CJVL1P5X) [**Morrisons Tuna & Sweetcorn 200g**Morrisons**£1.97**474 rev3y ago](https://www.amazon.co.uk/dp/B0BL96J6TQ) [**Morrisons Chicken & Sweetcorn 200g**Morrisons**£1.97**308 rev3y ago](https://www.amazon.co.uk/dp/B0BL921SJ6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Morrisons Classic Coleslaw 300g**Morrisons**£1.38**4.4★**▲ 185%**](https://www.amazon.co.uk/dp/B01C5YJEL4) [**Morrisons Egg & Salad Cream 200g**Morrisons**£1.99**4.4★**▲ 135%**](https://www.amazon.co.uk/dp/B0BL89Y4TS) [**Iceland Cheese & Onion Sandwich Filler 250g**Iceland**£1.95**3.6★**▲ 69%**](https://www.amazon.co.uk/dp/B0CJVL1P5X) [**Iceland Egg Mayonnaise Sandwich Filler 250g**Iceland**£1.96**3.9★**▲ 63%**](https://www.amazon.co.uk/dp/B0CKJ17N5G) [**Iceland Tuna & Sweetcorn Sandwich Filler 250g**Iceland**£1.96**3.9★**▲ 57%**](https://www.amazon.co.uk/dp/B0D5MGM6TW)
**~~View all trending →~~**
## **What buyers say about sandwich filler**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**51%
*“VERY TASTY”*
**Quality-Overall**12%
*“Excellent product”*
**Value For Money**6%
*“Good value for the price”*
**Flavor**5%
*“Original flavor, yummy”*
**Freshness**4%
*“Fresh”*
**Ease Of Use**3%
*“Handy to have”*
**Advertised Vs Actual Product**3%
*“As expected”*
**Ingredients-Overall**2%
*“A tasty sandwich ingredient”*
**Blend/Ratio**2%
*“Lovely spread on mixed seed crackers”*
**Storage Temperature**2%
*“If they want to freeze this item it is great”*
### **What buyers complain about **
**Flavor**16%
*“Flavour has changed”*
**Value For Money**9%
*“Maybe a little expensive that it should be”*
**Taste-Overall**9%
*“And the taste was putrid”*
**Salt Content**7%
*“high sodium taste that many other pickles tend to have”*
**Oily/Greasy**6%
*“Sent one that was full of fat”*
**Sour**6%
*“Very Acidic 😞 Not nice”*
**Chunk/Clump/Collection**6%
*“Chopped humpty in mayu”*
**Moist/Dry**4%
*“it tended to dry out too quickly”*
**Cooking Instructions**3%
*“Not nice and cooking instructions are terrible”*
**Durability**3%
*“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.
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