---
title: "Nappies Size 3 — £593K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/baby-products/nappies-size-3"
last_updated: "2026-08-11T03:45:11.325Z"
locale: en
meta:
  description: "Niche score 47/100 · £593K/yr market · 319K searches/yr · £21.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · £593K/yr market · 319K searches/yr · £21.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Nappies Size 3 — £593K/yr Amazon UK Niche (2026) - Flapen"
---

# **nappies size 3**

**Skip it**

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

Market size 64Growth 24Conversion 81Competition 7Returns 100Price range 71Avg price 92Brand share 0Review moat 30Quality gap 48

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****£21.87**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****8.5%**

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

**Price range**

**Good****£4.51–£41.16**

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

**Market size**

**Good****£593K**

£593K/yr · 319K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,487.14**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-2.4%**

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

**Competition**

**Bad****92%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, nappies size 3 is a £593K/yr Amazon United Kingdom market (319K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.

Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **nappies size 3 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 4,000–5,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£656K–£875K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#81**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**57%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**55 months**</dd>

<dt>**Avg seller age**</dt><dd>**158 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**2 **▼falling

**Sellers**

**37**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**92%**

Top 20: 100%

**Open market**

**0%**

- Pampers93% - by Amazon7%

## **Demand**

Weekly Amazon search volume, last 46 weeks — -2.4% search growth over the last 90 days.

8K6KSpike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/uk/baby-products/nappies-size-3/trend)

## **Top nappies size 3 search terms**

- **pampers size 3**158K/yr+4.5%7.6% conv. - **nappies size 3**51K/yr-11.0%6.4% conv. - **size 3 nappies**45K/yr-13.5%7.0% conv. - **pampers size 3 nappies**12K/yr-14.1%7.0% conv. - **pampers pants size 3**6K/yr+21.4%0.6% conv. - **pampers nappies size 3**7K/yr-2.9%6.7% conv. - **pampers premium protection size 3**5K/yr+4.3%6.3% conv. - **pampers 3**6K/yr+9.8%6.7% conv. - **size 3 pampers nappies**5K/yr+25.6%8.9% conv. - **pampers size 3 pants**5K/yr+10.9%0.4% conv. [**All search terms **](https://flapen.com/research/uk/baby-products/nappies-size-3/search-terms)

## **Top nappies size 3 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%£59K20%£119K30%£178K40%£237K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 7 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Pampers Premium Protection New Baby Size 3 204 Nappies 6kg-10kg Monthly Pack The Only Newborn Nappy Approved by British Skin Foundation](https://m.media-amazon.com/images/I/51WvJ0rmklL.jpg)**Pampers Premium Protection New Baby Size 3 204 Nappies 6kg-10kg Monthly Pack The Only Newborn Nappy Approved by British Skin Foundation**Pampers**£36.81**4.4★970 rev](https://www.amazon.co.uk/dp/B0CVQLR2GP) [2![Pampers Baby-Dry Paw Patrol Edition Size 3 234 Nappies 6kg-10kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night](https://m.media-amazon.com/images/I/51Z5xxYaoPL.jpg)**Pampers Baby-Dry Paw Patrol Edition Size 3 234 Nappies 6kg-10kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night**Pampers**£35.14**4.5★1,762 rev](https://www.amazon.co.uk/dp/B0BT7GLJZS) [3![Pampers Premium Protection S3 x70](https://m.media-amazon.com/images/I/51S7llpn7YL.jpg)**Pampers Premium Protection S3 x70**Pampers**£13.38**4.8★53 rev](https://www.amazon.co.uk/dp/B0CBRLJ5YR) [4![Pampers Premium Protection S3 x40](https://m.media-amazon.com/images/I/51KcIVDQIYL.jpg)**Pampers Premium Protection S3 x40**Pampers**£4.51**4.5★55 rev](https://www.amazon.co.uk/dp/B0CBRK54FN) [5![By Amazon - 86 Ultra Dry Nappies - Size 3 (4-9 kg) (Previously a Mama Bear Brand Same Product)](https://m.media-amazon.com/images/I/41vyIgWFXCL.jpg)**By Amazon - 86 Ultra Dry Nappies - Size 3 (4-9 kg) (Previously a Mama Bear Brand Same Product)**by Amazon**£11.89**4.1★13,268 rev](https://www.amazon.co.uk/dp/B08Y6S477C)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Pampers Premium Protection New Baby Size 3 204 Nappies 6kg-10kg Monthly Pack The Only Newborn Nappy Approved by British Skin Foundation](https://m.media-amazon.com/images/I/51WvJ0rmklL.jpg)**Pampers Premium Protection New Baby Size 3 204 Nappies 6kg-10kg Monthly Pack The Only Newborn Nappy Approved by British Skin Foundation**Pampers**£36.81**970 rev2y ago](https://www.amazon.co.uk/dp/B0CVQLR2GP) [![Pampers Harmonie Nappies Size 3 186 Nappies 6kg-10kg Monthly Pack Gentle Skin Protection with 100 Percent Pampers Protection](https://m.media-amazon.com/images/I/51Cy3wdGnFL.jpg)**Pampers Harmonie Nappies Size 3 186 Nappies 6kg-10kg Monthly Pack Gentle Skin Protection with 100 Percent Pampers Protection**Pampers**£41.16**8,276 rev2y ago](https://www.amazon.co.uk/dp/B0CPM5L1N6) [![Pampers Premium Protection S3 x70](https://m.media-amazon.com/images/I/51S7llpn7YL.jpg)**Pampers Premium Protection S3 x70**Pampers**£13.38**53 rev3y ago](https://www.amazon.co.uk/dp/B0CBRLJ5YR) [![Pampers Premium Protection S3 x40](https://m.media-amazon.com/images/I/51KcIVDQIYL.jpg)**Pampers Premium Protection S3 x40**Pampers**£4.51**55 rev3y ago](https://www.amazon.co.uk/dp/B0CBRK54FN) [![Pampers Baby-Dry Paw Patrol Edition Size 3 234 Nappies 6kg-10kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night](https://m.media-amazon.com/images/I/51Z5xxYaoPL.jpg)**Pampers Baby-Dry Paw Patrol Edition Size 3 234 Nappies 6kg-10kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night**Pampers**£35.14**1,762 rev3y ago](https://www.amazon.co.uk/dp/B0BT7GLJZS)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Pampers Premium Protection S3 x40](https://m.media-amazon.com/images/I/51KcIVDQIYL.jpg)**Pampers Premium Protection S3 x40**Pampers**£4.51**4.5★**▲ 45%**](https://www.amazon.co.uk/dp/B0CBRK54FN) [![Pampers Premium Protection S3 x70](https://m.media-amazon.com/images/I/51S7llpn7YL.jpg)**Pampers Premium Protection S3 x70**Pampers**£13.38**4.8★**▲ 25%**](https://www.amazon.co.uk/dp/B0CBRLJ5YR) [![Pampers Baby-Dry Size 3 Midi 30 Nappies](https://m.media-amazon.com/images/I/510krExtcVL.jpg)**Pampers Baby-Dry Size 3 Midi 30 Nappies**Pampers**£10.19**4.3★**▲ 14%**](https://www.amazon.co.uk/dp/B01BKO9BF4) [![By Amazon - 86 Ultra Dry Nappies - Size 3 (4-9 kg) (Previously a Mama Bear Brand Same Product)](https://m.media-amazon.com/images/I/41vyIgWFXCL.jpg)**By Amazon - 86 Ultra Dry Nappies - Size 3 (4-9 kg) (Previously a Mama Bear Brand Same Product)**by Amazon**£11.89**4.1★**— 7%**](https://www.amazon.co.uk/dp/B08Y6S477C) [![Pampers Baby-Dry Paw Patrol Edition Size 3 234 Nappies 6kg-10kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night](https://m.media-amazon.com/images/I/51Z5xxYaoPL.jpg)**Pampers Baby-Dry Paw Patrol Edition Size 3 234 Nappies 6kg-10kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night**Pampers**£35.14**4.5★**— 2%**](https://www.amazon.co.uk/dp/B0BT7GLJZS)

**~~View all trending →~~**

## **What buyers say about nappies size 3**

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

### **What buyers love **

**Value For Money**28%

*“Cheap”*

**Quality-Overall**9%

*“the quality is so good”*

**Design-Overall**8%

*“They are a cute yet minimal design”*

**Leak-Proof**8%

*“are leakproof”*

**Smell**6%

*“theres no bad smell”*

**Ease Of Use**3%

*“Easy to use”*

**Storage Capacity**3%

*“can hold a lot”*

**Comfort-Overall**3%

*“Good comfort with no imprints left”*

**Size-Overall**3%

*“Sizing is good”*

### **What buyers complain about **

**Quality-Overall**27%

*“Poor quality for pampers”*

**Smell**21%

*“Strong chemical odour”*

**Leak-Proof**14%

*“they would leak through”*

**Size-Overall**12%

*“looks way too small they are really tight on our 12lb baby”*

**Allergies**6%

*“Baby rash”*

**Absorbency**5%

*“Not very absorbent - baby got nappy rash”*

**Strap/String Quality**3%

*“Straps sometimes just tear off”*

## **Common questions**

<dl>

<dt>**Is nappies size 3 profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £593K/yr across 7 tracked products. 90-day search growth is -2.4%. Flapen's verdict: Skip it (47/100).</dd>

<dt>**How competitive is the nappies size 3 niche?**</dt><dd>2 brands and 37 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in nappies size 3?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Smell, Leak-Proof. The return rate is 0.1%.</dd>

<dt>**What does it cost to enter the nappies size 3 niche?**</dt><dd>Listings span £4.51–£41.16; the average listing price is £21.87 (sweet spot $15–$100). The average incumbent carries 3,487 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Baby Products**

- 63 [**baby toys**](https://flapen.com/research/uk/baby-products/baby-toys)£1.5M/yr+4.3%**Launch it**- 63 [**buggy fan**](https://flapen.com/research/uk/baby-products/buggy-fan)£133K/yr>1,000%**Worth a look**- 63 [**car seat travel bag**](https://flapen.com/research/uk/baby-products/car-seat-travel-bag)£184K/yr+80.2%**Worth a look**- 63 [**retractable stair gate**](https://flapen.com/research/uk/baby-products/retractable-stair-gate)£469K/yr+11.0%**Worth a look**- 63 [**christening gifts for girls**](https://flapen.com/research/uk/baby-products/christening-gifts-for-girls)£323K/yr+34.9%**Worth a look**- 64 [**playpen**](https://flapen.com/research/uk/baby-products/playpen)£963K/yr+15.6%**Launch it**[**All Baby Products niches **](https://flapen.com/research/uk/baby-products)