Is milk cartons profitable to sell on Amazon United Kingdom?

The niche generates £558K/yr across 23 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +4.2%. Flapen's verdict: Skip it (47/100).

How competitive is the milk cartons niche?

7 brands and 28 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 95% of demand.

What do buyers complain about in milk cartons?

Top complaints mined from reviews: Value For Money, Natural Resource Wastage, Quality-Overall. The return rate is 0.0%.

When does demand for milk cartons peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the milk cartons niche?

Listings span £5.27–£13.31; the average listing price is £7.55 (sweet spot $15–$100). The average incumbent carries 3,034 reviews — the moat a new listing must climb.

milk cartons

Skip it

Prices mostly outside the sweet spot ($5.27–$13.31) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible15.8%

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

Market size

Good£558K

£558K/yr · 467K searches

Competition

Okay56%

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

Review moat

Okay3,033.78

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+4.2%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.55

avg listing price — sweet spot $15–$100

Brand share

Bad95%

top-5 brand share — brand-locked demand

Price range

Bad£5.27–£13.31

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

According to Flapen's Amazon United Kingdom niche tracking, milk cartons is a £558K/yr Amazon United Kingdom market (467K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 47/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

milk cartons market data

Units sold / yr: 60K–80K; avg 3,000–4,000/product
Revenue / yr: £453K–£604K; units × avg price
Conversion rate: 15.8%
Avg BSR: #26
Page quality: 0%
Prime: 65%
Sponsored: 74%
Out of stock: 1.1%
Avg brand age: 53 months
Avg seller age: 169 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

56%

Top 20: 97%

Open market

Lakeland Dairies52%
Espresso Yourself21%
Generic8%
lakeland7%
AB.GROCERIES6%
WOODZYCO3%
Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top milk cartons search terms

milk sachets173K/yr +2.6%16.7% conv.
uht milk sachets44K/yr +13.3%17.1% conv.
milk pods36K/yr -14.6%8.6% conv.
uht milk pots27K/yr +5.7%11.4% conv.
long life milk sachets23K/yr +11.7%13.5% conv.
milk pots20K/yr -8.5%8.3% conv.
milk sachets semi skimmed longlife17K/yr +9.3%20.2% conv.
lakeland milk17K/yr -11.8%10.1% conv.
milk portions12K/yr +16.0%12.3% conv.
milk cartons14K/yr -7.1%5.7% conv.

All search terms

Top milk cartons 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Lakeland Dairies UHT Semi Skimmed Milk Sticks - 10ml (120)

Lakeland Dairies£6.704.5★16,068 rev

30 x Lakeland Dairies Milk In A Stick - UHT Semi Skimmed Milk Sachets - 10ml Each. Ideal for Travel Camping Work Hotels Airplanes and Letterbox Friendly Packaging By Espresso Yourself

Espresso Yourself£5.384.7★491 rev

Lakeland Semi Skimmed Milk Jiggers Portion Pots (120)

Lakeland Dairies£6.384.5★16,068 rev

LAKELAND Semi-Skimmed Milk Pots (Pack of 120)

Lakeland Dairies£6.214.5★16,068 rev

Lakeland Dairies UHT Semi Skimmed Milk Sticks - 10ml (50)

Lakeland Dairies£5.274.5★16,068 rev

Newest

by launch date

Lakeland Semi-Skimmed Milk Pods 12ml (Pack of 120) UHT Long-Life Milk Portions | Coffee Machine Compatible Pods | No Refrigeration Required | Ideal for Office Catering & Home

Lakeland Dairies£7.9719 rev

4mo ago

Lakeland UHT Semi-Skimmed Milk Sticks 10ml (Pack of 240) Long-Life Portion Milk Sachets for Tea & Coffee | No Refrigeration Needed | Ideal for Office Travel & Catering

Lakeland Dairies£9.344 rev

4mo ago

50 x Lakeland Dairies Milk In A Stick UHT Semi Skimmed Milk Sachets 10ml Individually Wrapped Portions Travel Camping Work Hotels Letterbox Friendly Packaging by Espresso Yourself

Espresso Yourself£7.027 rev

5mo ago

Lakeland Dairies UHT Semi-Skimmed Milk in a Stick Sachets 100 x 10ml

Lakeland Dairies£6.9115 rev

8mo ago

Lakeland Dairies UHT Semi-Skimmed Milk in a Stick Sachets 50 x 10ml

Lakeland Dairies£5.8750 rev

8mo ago

What buyers say about milk cartons

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

What buyers love

Ease Of Use20%

“Easy to use”

Quality-Overall17%

“Great quality and easy to store”

Advertised Vs Actual Product15%

“As described”

Value For Money13%

“Excellent value for money”

Taste-Overall11%

“creamy taste”

Portability10%

“Easy to carry around”

Freshness3%

“Fresh”

Durability2%

“have a long shelf life”

Cooking Instructions1%

“These are great for the shed at my Allotment, to go with essential supplies of tea bags, sugar and biscuits, just waiting for the kettle to boil”

Storage Temperature1%

“Easy to store and taste fine in tea and coffee”

What buyers complain about

Value For Money17%

“which is extraordinarily expensive”

Natural Resource Wastage11%

“ending up wasting it because I don't use it often enough”

Quality-Overall10%

“Rubbish avoid”

Ease Of Use9%

“hard to open”

Size-Overall7%

“Not very big”

Powdered/Crumbled4%

“Sadly most of these sachets curdled as I used them”

Product Condition4%

“It seems like the box was only reused”

Smell4%

“Putrid this time round”

Taste-Overall2%

“no long-life taste to the milk”