---
title: "Slytherin — £18K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/slytherin"
last_updated: "2026-07-31T13:43:51.313Z"
locale: en
meta:
description: "Niche score 40/100 · £18K/yr market · 105K searches/yr · £16.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £18K/yr market · 105K searches/yr · £16.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Slytherin — £18K/yr Amazon UK Niche (2026) - Flapen"
---
# **slytherin**
**Skip it**
A small market ($18K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 17Conversion 13Competition 40Returns 92Price range 76Avg price 78Brand share 47Review moat 81Quality gap 42
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****388.7**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****£16.29**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£2.62–£54.16**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-15.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£18K**
£18K/yr · 105K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, slytherin is a £18K/yr Amazon United Kingdom market (105K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 40/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **slytherin market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£24K–£33K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#669**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **74%**
- **Out of stock**
- **3.7%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**73**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 96%
**Open market**
**20%**
- Merchoid23% - AAA Merchandise22% - GWCC12% - Navachi11% - Harry Potter8% - Widdop and Co3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.
8K6KSpike '24Holiday '24Prime Day '25Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 5.6×
[**Open Trend **](https://flapen.com/research/uk/fashion/slytherin/trend)
## **Top slytherin search terms**
- **slytherin**52K/yr-18.6%0.4% conv. - **slytherin gifts**27K/yr+1.4%1.1% conv. - **harry potter slytherin**25K/yr-22.0%1.1% conv. [**All search terms **](https://flapen.com/research/uk/fashion/slytherin/search-terms)
## **Top slytherin 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%£2K20%£4K30%£5K40%£7K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Merchoid Harry Potter Slytherin Slipper Socks - House Crest Embroidered Striped Knit - Cosy Non-Slip Gripper - HP Gifts for Women Men Kids Adults**Merchoid**£15.47**4.6★192 rev](https://www.amazon.co.uk/dp/B09VH9M45F) [2**AAA Merchandise Harry Potter Slytherin Scarf - Thin Stripes Knitted House Crest Design - Boxed Wizarding World Costume Accessory - HP Gifts for Men Women Adults Kids**AAA Merchandise**£18.99**5.0★1 rev](https://www.amazon.co.uk/dp/B0F1NGFCXM) [3**Navachi 18k Gold Plated Crystal Pear-shaped Green Zirconia Snake Az6003p Pendant Necklace 16+2**Navachi**£11.60**4.5★1,003 rev](https://www.amazon.co.uk/dp/B074884LJ6) [4**AAA Merchandise Harry Potter Slytherin Scarf - Bold Striped House Design with Crest - Green Grey Knitted Winter Accessory - HP Gifts for Men Women Adults Kids**AAA Merchandise**£17.47**0.0★0 rev](https://www.amazon.co.uk/dp/B0F8QW5XQ3) [5**Harry Potter Womens Wearable Blanket Hoodie | Adults Gray Hooded Pullover with Hogwarts Graphic All Over Print | One Size Sherpa Lined Loungewear with Pockets | Classic Wizard Movie Merchandise Gift**Harry Potter**£31.59**4.8★1,371 rev](https://www.amazon.co.uk/dp/B0DFM1V6MT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Profusion Cosmetics Harry Potter Holiday Slytherin Lip Duo Set**Profusion Cosmetics**£2.62**0 rev4mo ago](https://www.amazon.co.uk/dp/B0GN9PYGVD) [**Care Bears x Harry Potter Slytherin Grumpy Bear 30cm Hoodie Plush Premium Hogwarts House Collectible Ages 4+ Brown**Care Bears**£16.14**741 rev6mo ago](https://www.amazon.co.uk/dp/B0FPSDCG8X) [**Care Bears x Harry Potter Slytherin Good Luck Bear 20cm Plush Official Hogwarts House Collectible Soft Toy Ages 4+**Care Bears**£13.58**717 rev9mo ago](https://www.amazon.co.uk/dp/B0FPXQ8NKJ) [**greenxl Costume Robe Adult 5PCS Wizard Costume Magic School Uniform Wizard Robe With Wand Tie Scarf Wizard Fancy Dress Cosplay Costume for Men and Women Halloween World Book Day Carnival Party**Kitimi**£18.78**32 rev1y ago](https://www.amazon.co.uk/dp/B0F9DSQSXJ) [**AAA Merchandise Harry Potter Slytherin Scarf - Bold Striped House Design with Crest - Green Grey Knitted Winter Accessory - HP Gifts for Men Women Adults Kids**AAA Merchandise**£17.47**0 rev1y ago](https://www.amazon.co.uk/dp/B0F8QW5XQ3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Harry Potter Gryffindor Hufflepuff Ravenclaw Slytherin Infant Baby Boys 4 Pack Bodysuits 18 Months**Harry Potter**£44.28**4.8★**▲ 152%**](https://www.amazon.co.uk/dp/B0B2KC3THJ) [**Profusion Cosmetics Harry Potter Holiday Slytherin Lip Duo Set**Profusion Cosmetics**£2.62**0.0★**▲ 141%**](https://www.amazon.co.uk/dp/B0GN9PYGVD) [**AAA Merchandise Harry Potter Slytherin Scarf - Bold Striped House Design with Crest - Green Grey Knitted Winter Accessory - HP Gifts for Men Women Adults Kids**AAA Merchandise**£17.47**0.0★**▲ 134%**](https://www.amazon.co.uk/dp/B0F8QW5XQ3) [**AAA Merchandise Harry Potter Slytherin Scarf - Thin Stripes Knitted House Crest Design - Boxed Wizarding World Costume Accessory - HP Gifts for Men Women Adults Kids**AAA Merchandise**£18.99**5.0★**▲ 105%**](https://www.amazon.co.uk/dp/B0F1NGFCXM) [**Harry Potter Womens Wearable Blanket Hoodie | Adults Gray Hooded Pullover with Hogwarts Graphic All Over Print | One Size Sherpa Lined Loungewear with Pockets | Classic Wizard Movie Merchandise Gift**Harry Potter**£31.59**4.8★**▲ 104%**](https://www.amazon.co.uk/dp/B0DFM1V6MT)
**~~View all trending →~~**
## **What buyers say about slytherin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**39%
*“Good quality”*
**Design-Overall**14%
*“Great design and material, easy to hang”*
**Size-Overall**12%
*“it fits great”*
**Soft Feel**9%
*“Super squishy and cute”*
**Writing Experience**9%
*“Good pen, good colour write nice”*
**Advertised Vs Actual Product**9%
*“Was as expected”*
**Material Quality**5%
*“material”*
**Washability**3%
*“Good quality, Ive washed it and it still looks great”*
### **What buyers complain about **
**Quality-Overall**33%
*“Only used them about 6-7 times so the quality isnt great”*
**Shape/Style**17%
*“Strange shape”*
**Advertised Vs Actual Product**17%
*“Looks nothing like the picture”*
**Size-Overall**11%
*“would equally fit a smaller person”*
### **Top return reasons **
**Size-Overall**83%
**Wood Quality**6%
**Quality-Overall**6%
**Sleeve Fit**6%
**Arm Fit**3%
**Advertised Vs Actual Product**3%
## **Common questions**
- **Is slytherin profitable to sell on Amazon United Kingdom?**
- The niche generates £18K/yr across 23 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.8%. Flapen's verdict: Skip it (40/100).
- **How competitive is the slytherin niche?**
- 15 brands and 73 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in slytherin?**
- Top complaints mined from reviews: Quality-Overall, Shape/Style, Advertised Vs Actual Product. The return rate is 1.2%.
- **When does demand for slytherin peak?**
- Demand peaks in Oct–Nov–Dec; the busiest month runs 5.6× the quietest.
- **What does it cost to enter the slytherin niche?**
- Listings span £2.62–£54.16; the average listing price is £16.29 (sweet spot $15–$100). The average incumbent carries 389 reviews — the moat a new listing must climb.
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