---
title: "Nappies Size 5 — £1.1M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/baby-products/nappies-size-5"
last_updated: "2026-07-21T11:20:53.420Z"
locale: en
meta:
  description: "Niche score 59/100 · £1.1M/yr market · 452K searches/yr · £19.43 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · £1.1M/yr market · 452K searches/yr · £19.43 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Nappies Size 5 — £1.1M/yr Amazon UK Niche (2026) - Flapen"
---

# **nappies size 5**

**Launch it**

A $1.1M/yr market growing +0.6% this quarter with returns at 0.1% — clears our launch bar.

Market size 79Growth 26Conversion 95Competition 58Returns 100Price range 73Avg price 86Brand share 6Review moat 31Quality gap 50

**Returns**

**Incredible****0.1%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****12.5%**

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

**Avg price**

**Great****£19.43**

avg listing price — sweet spot $15–$100

**Market size**

**Great****£1.1M**

£1.1M/yr · 452K searches

**Price range**

**Good****£5.59–£39.89**

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

**Competition**

**Good****50%**

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

**Quality gap**

**Good****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,445.83**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+0.6%**

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

**Brand share**

**Bad****97%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, nappies size 5 is a £1.1M/yr Amazon United Kingdom market (452K searches/yr). The top 5 brands hold 97% of demand. Verdict: Launch it — 59/100.

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

## **nappies size 5 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**50K–60K**</dd><dd>avg 2,000–2,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£972K–£1.2M**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**—**</dd><dd>1 of 1 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**12.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#137**</dd>

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

<dt>**Prime**</dt><dd>**93%**</dd>

<dt>**Sponsored**</dt><dd>**52%**</dd>

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

<dt>**Avg brand age**</dt><dd>**41 months**</dd>

<dt>**Avg seller age**</dt><dd>**152 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **—flat

**Sellers**

**92**

**Top-5 brand share**

**97%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 91%

**Open market**

**2%**

- Pampers73% - by Amazon18% - HUBSIDIA3% - Joyo roy2% - Pura1% - Heekcaa1% - Open — no brand owns it (2 brands, 2%)

## **Demand & seasonality**

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

13K8KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/uk/baby-products/nappies-size-5/trend)

## **Top nappies size 5 search terms**

- **pampers size 5**161K/yr+6.8%9.2% conv. - **nappies size 5**84K/yr-4.9%10.0% conv. - **size 5 nappies**49K/yr-6.0%11.5% conv. - **pampers pants size 5**19K/yr+15.5%8.6% conv. - **nappy pants size 5**21K/yr-6.2%9.6% conv. - **pampers size 5 pants**15K/yr+35.6%9.7% conv. - **pampers premium protection size 5**15K/yr-3.1%6.5% conv. - **size 5 nappy pants**13K/yr-24.5%12.9% conv. - **pull ups size 5**8K/yr+19.7%8.1% conv. - **pampers nappies size 5**8K/yr+3.0%5.4% conv. [**All search terms **](https://flapen.com/research/uk/baby-products/nappies-size-5/search-terms)

## **Top nappies size 5 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%4%£44K8%£88K12%£132K16%£176K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 29 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Pampers Baby-Dry Paw Patrol Edition Size 5 186 Nappies 11kg-16kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night](https://m.media-amazon.com/images/I/51-46dmN+SL.jpg)**Pampers Baby-Dry Paw Patrol Edition Size 5 186 Nappies 11kg-16kg Monthly Pack Up to a 100% Leak-Free & Comfortable Night**Pampers**£36.69**4.5★1,762 rev](https://www.amazon.co.uk/dp/B0C74Q6QCG) [2![Pampers Premium Protection Size 5 152 Baby Nappies 11kg-16kg Monthly Pack with Pampers Harmonie Aqua Baby Wipes 1 Pack of 10 Wipes](https://m.media-amazon.com/images/I/5119JTqUiuL.jpg)**Pampers Premium Protection Size 5 152 Baby Nappies 11kg-16kg Monthly Pack with Pampers Harmonie Aqua Baby Wipes 1 Pack of 10 Wipes**Pampers**£35.17**4.4★180 rev](https://www.amazon.co.uk/dp/B097JV5P6W) [3![Pampers Baby-Dry Characters Paw Patrol Nappy Pants S5](https://m.media-amazon.com/images/I/51gRnESX3xL.jpg)**Pampers Baby-Dry Characters Paw Patrol Nappy Pants S5**Pampers**£36.48**4.7★2,617 rev](https://www.amazon.co.uk/dp/B0BLW7L6S5) [4![By Amazon - 76 Ultra Dry Nappies - Size 5 (10-16 kg) (Previously a Mama Bear Brand Same Product)](https://m.media-amazon.com/images/I/418YmnzNnuL.jpg)**By Amazon - 76 Ultra Dry Nappies - Size 5 (10-16 kg) (Previously a Mama Bear Brand Same Product)**by Amazon**£11.49**4.1★13,268 rev](https://www.amazon.co.uk/dp/B08Y6VVTMG) [5![by Amazon Disney Nappy Pants Size 5 (12-17 kg) 70 Count White (Previously a Mama Bear brand same product)](https://m.media-amazon.com/images/I/41BVcMj1TBL.jpg)**by Amazon Disney Nappy Pants Size 5 (12-17 kg) 70 Count White (Previously a Mama Bear brand same product)**by Amazon**£11.53**4.2★7,046 rev](https://www.amazon.co.uk/dp/B092DPZ7G7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Baby-Dry Nappy Size 5 (12-17kg) Pants Bundle 2 Packs of 33](https://m.media-amazon.com/images/I/41KUsR3h0yL.jpg)**Baby-Dry Nappy Size 5 (12-17kg) Pants Bundle 2 Packs of 33**HUBSIDIA**£26.01**1 rev9mo ago](https://www.amazon.co.uk/dp/B0FTNSSCGS) [![Rascals Premium Baby Diapers - Comfortable & Leak-Proof Diaper for Babies 13-18 kg - Soft & Gentle Diapers Size 5 - Pack of 32 Count](https://m.media-amazon.com/images/I/31im-JzQV6L.jpg)**Rascals Premium Baby Diapers - Comfortable & Leak-Proof Diaper for Babies 13-18 kg - Soft & Gentle Diapers Size 5 - Pack of 32 Count**Rascals**£5.80**30 rev1y ago](https://www.amazon.co.uk/dp/B0DL67L63W) [![PAMPERS Pants Nappies Pull ON Size 5 Junior 58 Pack](https://m.media-amazon.com/images/I/51C5qB3sosL.jpg)**PAMPERS Pants Nappies Pull ON Size 5 Junior 58 Pack**Pampers**£16.78**4 rev1y ago](https://www.amazon.co.uk/dp/B0DDLDF4W8) [![Pura Nappy Pants Size 5 20 Count 12-17kg 360 Stretch Fit Potty Training Pants for Hypoallergenic & Sensitive Skin Up to 12 Hours Overnight Leak Protection Totally Chlorine Free](https://m.media-amazon.com/images/I/51BaaUyjkaL.jpg)**Pura Nappy Pants Size 5 20 Count 12-17kg 360 Stretch Fit Potty Training Pants for Hypoallergenic & Sensitive Skin Up to 12 Hours Overnight Leak Protection Totally Chlorine Free**Pura**£5.59**88 rev2y ago](https://www.amazon.co.uk/dp/B0D6G4B5Z4) [![Pampers Pants Pull-on Size 5 Junior 27pk](https://m.media-amazon.com/images/I/51CR2kpmNEL.jpg)**Pampers Pants Pull-on Size 5 Junior 27pk**Pampers**£6.76**13 rev2y ago](https://www.amazon.co.uk/dp/B0D1GH6F9T)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Joyo roy Reusable Training Pants for Baby Boy 5T 4Pack Potty Training Pants 100% Cotton Cloth Nappies Size 5 Padded Underwear for Toddlers Toilet Potty Trainer Underwear for Boys Reusable Diapers](https://m.media-amazon.com/images/I/51CzHJihdPL.jpg)**Joyo roy Reusable Training Pants for Baby Boy 5T 4Pack Potty Training Pants 100% Cotton Cloth Nappies Size 5 Padded Underwear for Toddlers Toilet Potty Trainer Underwear for Boys Reusable Diapers**Joyo roy**£14.94**4.0★**▲ 292%**](https://www.amazon.co.uk/dp/B0923M5V8K) [![Potty Training Pants for Boys Girls6 Packs Reusable Baby Toddler Training Pants Soft Washable 2-6 Years (as8 Age 3_Years Regular Blue)](https://m.media-amazon.com/images/I/51--LaJgotL.jpg)**Potty Training Pants for Boys Girls6 Packs Reusable Baby Toddler Training Pants Soft Washable 2-6 Years (as8 Age 3_Years Regular Blue)**Heekcaa**£19.49**4.2★**▲ 288%**](https://www.amazon.co.uk/dp/B0BX3CYK3H) [![Pampers Night Nappy Pants Size 5 160 Nappies 11kg-17kg](https://m.media-amazon.com/images/I/51S0J+yb8VL.jpg)**Pampers Night Nappy Pants Size 5 160 Nappies 11kg-17kg**Pampers**£38.81**4.5★**▲ 229%**](https://www.amazon.co.uk/dp/B0BLW45661) [![Pampers Baby Dry Size 5 Nappies 11 to 23kg with Absorbing Channels](https://m.media-amazon.com/images/I/41913TPBOsL.jpg)**Pampers Baby Dry Size 5 Nappies 11 to 23kg with Absorbing Channels**Pampers**£19.34**0.0★**▲ 162%**](https://www.amazon.co.uk/dp/B010132GUM) [![Pampers Premium Protection S5 x32](https://m.media-amazon.com/images/I/51NztC-wGlL.jpg)**Pampers Premium Protection S5 x32**Pampers**£6.19**4.3★**▲ 68%**](https://www.amazon.co.uk/dp/B0CBRKD5T5)

**~~View all trending →~~**

## **What buyers say about nappies size 5**

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

### **What buyers love **

**Quality-Overall**23%

*“Excellent product”*

**Absorbency**13%

*“absorbent”*

**Comfort-Overall**13%

*“Comfort and versatile”*

**Value For Money**10%

*“Great value for money”*

**Smell**5%

*“However, they dont smell as chemical so I think theyre better for babies”*

**Advertised Vs Actual Product**5%

*“The product is exactly as advertised”*

**Eco Friendliness**5%

*“also your dedication to eco-friendly materials”*

**Leak-Proof**3%

*“Pee doesn't leak”*

**Soft Feel**3%

*“Soft, airy when dry and spacious”*

**Design-Overall**3%

*“Tot loved the designs on them”*

### **What buyers complain about **

**Leak-Proof**53%

*“They still leak”*

**Value For Money**10%

*“Waste of money”*

**Quality-Overall**6%

*“the quality has gone down massively”*

**Allergies**5%

*“My Daughter had a severe reaction to this blistering her Bottom I got this as meant for sensitive skin one screaming 2 year old and a red and blistered bottom avoid”*

**Absorbency**3%

*“does not absorb so well not very comfortable too”*

**Smell**2%

*“during the day you could smell strong odor of urine”*

**Thickness**2%

*“But this batch I noticed looked thinner and smaller”*

**Sensitivity-Overall**2%

*“My Daughter had a severe reaction to this blistering her Bottom I got this as meant for sensitive skin one screaming 2 year old and a red and blistered bottom avoid”*

**Design-Overall**2%

*“What a shame the design was changed”*

**Fabric Quality**2%

*“Little cotton & bits falling off”*

### **Top return reasons **

**Size-Overall**100%

## **Common questions**

<dl>

<dt>**Is nappies size 5 profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £1.1M/yr across 29 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.6%. Flapen's verdict: Launch it (59/100).</dd>

<dt>**How competitive is the nappies size 5 niche?**</dt><dd>8 brands and 92 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 97% of demand.</dd>

<dt>**What do buyers complain about in nappies size 5?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Value For Money, Quality-Overall. The return rate is 0.1%.</dd>

<dt>**When does demand for nappies size 5 peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the nappies size 5 niche?**</dt><dd>Listings span £5.59–£39.89; the average listing price is £19.43 (sweet spot $15–$100). The average incumbent carries 3,446 reviews — the moat a new listing must climb.</dd>

</dl>

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