---
title: "Dog Halloween Costumes — £41K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/pet-supplies/dog-halloween-costumes"
last_updated: "2026-07-31T08:13:32.221Z"
locale: en
meta:
description: "Niche score 50/100 · £41K/yr market · 729K searches/yr · £12.08 avg price. Weak search conversion (0.5%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £41K/yr market · 729K searches/yr · £12.08 avg price. Weak search conversion (0.5%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Dog Halloween Costumes — £41K/yr Amazon UK Niche (2026) - Flapen"
---
# **dog halloween costumes**
**Worth a look**
Shows beatable incumbent ratings (4.0★), but weak search conversion (0.5%) keeps it on the watch list.
Market size 10Growth 37Conversion 6Competition 77Returns 33Price range 62Avg price 51Brand share 76Review moat 90Quality gap 95
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****201.87**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Brand share**
**Great****59%**
top-5 brand share — no brand owns this niche
**Price range**
**Good****£3.81–£33.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£12.08**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+9.9%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****£41K**
£41K/yr · 729K searches
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United Kingdom niche tracking, dog halloween costumes is a £41K/yr Amazon United Kingdom market (729K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **dog halloween costumes market data**
- **Units sold / yr**
- **8K–10K**
- avg 0–100/product
- **Revenue / yr**
- **£97K–£121K**
- units × avg price
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#267**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **74%**
- **Out of stock**
- **39.5%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **201 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**36 **▼falling
**Sellers**
**54**
**Top-5 brand share**
**59%**
Top 20: 88%
**Top-5 click share**
**38%**
Top 20: 72%
**Open market**
**41%**
- WAFUNNE25% - Bprtcra10% - OXFUZZ8% - PEPAXON8% - Molain4% - DELIFUR4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.9% search growth over the last 90 days.
150K100KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 51.7×
[**Open Trend **](https://flapen.com/research/uk/pet-supplies/dog-halloween-costumes/trend)
## **Top dog halloween costumes search terms**
- **dog costume**80K/yr-22.8%0.8% conv. - **costumes for dogs**58K/yr+5.5%0.1% conv. - **dog halloween costume**294K/yr+126.3%0.1% conv. - **dog fancy dress**14K/yr+45.2%0.6% conv. - **dog fancy dress costumes**16K/yr+74.0%0.3% conv. - **dog outfit**17K/yr-16.0%0.0% conv. - **dog costumes**19K/yr+15.1%0.1% conv. - **dog costumes for small dogs**19K/yr+23.0%0.5% conv. - **dog costumes for medium dogs**15K/yr+40.1%0.4% conv. - **dog costumes for large dogs**11K/yr+6.3%0.8% conv. [**All search terms **](https://flapen.com/research/uk/pet-supplies/dog-halloween-costumes/search-terms)
## **Top dog halloween costumes 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%3%£1K6%£2K9%£4K12%£5K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Deadly Doll Dog Clothes Bprtcra Pets Costume Halloween Cosplay for Dogs Funny Dog Party Clothes Hat Christmas Costume Dog Party Clothes (M)**Bprtcra**£10.51**4.2★467 rev](https://www.amazon.co.uk/dp/B08L1WNLVQ) [2**WAFUNNE Flannel Animal Hooded Costume Onesie for Kids Boys Girls Cosplay Halloween Easter Dog Tedy 120 Brown**WAFUNNE**£22.88**3.9★12 rev](https://www.amazon.co.uk/dp/B0D4QNFJGR) [3**PEPAXON Pet Halloween Costumes Funny Dog Costume Cowboy Rider Dog Costume for Small Medium Large Dogs (XL)**PEPAXON**£10.84**4.2★27 rev](https://www.amazon.co.uk/dp/B08JPH27WF) [4**Dog Bee Hoodies Halloween Pet Bee Costume Hoodies Cat Dog Clothing Cute Dress Up Costume Apparel Coat Clothes Pet Supplies For Small Medium Dogs Kitten Puppy**OXFUZZ**£7.45**3.9★61 rev](https://www.amazon.co.uk/dp/B0CKMWXW6X) [5**WAFUNNE Flannel Dog Costume Cosplay Halloween Animal Onesie for Kids Adults Boys Girls Child Pug 120**WAFUNNE**£20.56**4.7★4 rev](https://www.amazon.co.uk/dp/B0C2YT89S3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WLLHYF Pet Cowboy Costume Dog Halloween Costumes Pet Mini Cowboy Hat Bandana Scarf West Accessories for Small Medium Large Dogs Cat Daily Wearing Holiday Halloween Festival Party Decoration**WLLHYF**£6.02**14 rev11mo ago](https://www.amazon.co.uk/dp/B0FLY78JCV) [**HSSPYY Halloween Pet Vampire Cape Adjustable Red & Black Fancy Dress for Medium Dogs (Beagle Shiba Inu French Bulldog) Spooky Cloak with Stand-Up Collar 50cm**HSSPYY**£7.22**157 rev1y ago](https://www.amazon.co.uk/dp/B0FDPZTQV5) [**XIMISHOP 2PCS Halloween Dog King Cloak CostumeCute Funny Halloween Dog King Cape with Crown Adjustable Pet King Cloak for Medium Dogs Large Cats Cosplay Party Supplies AccessoriesM**XIMISHOP**£4.81**11 rev1y ago](https://www.amazon.co.uk/dp/B0FDKGZT7X) [**Poptrend Inflatable Costume Dachshund Double Dog Costume for Adult Inflatable Double Dog Blow up Costumes Halloween Dachshund Costumes Men Women Funny Fancy Dress Party**Poptrend**£33.34**49 rev1y ago](https://www.amazon.co.uk/dp/B0DYJXN4S3) [**Molain Funny Dog Cat Cosplay Wig Pet Wigs Trimmable Pet Costume (Brown)**Molain**£4.84**35 rev1y ago](https://www.amazon.co.uk/dp/B0DL3DYJMN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WAFUNNE Flannel Animal Hooded Costume Onesie for Kids Boys Girls Cosplay Halloween Easter Dog Tedy 130 Brown**WAFUNNE**£22.91**3.9★**▲ 610%**](https://www.amazon.co.uk/dp/B0D4QPR3GW) [**WAFUNNE Flannel Animal Hooded Costume Onesie for Kids Boys Girls Cosplay Halloween Easter Dog Tedy 120 Brown**WAFUNNE**£22.88**3.9★**▲ 596%**](https://www.amazon.co.uk/dp/B0D4QNFJGR) [**WAFUNNE Flannel Animal Hooded Costume Onesie for Kids Boys Girls Cosplay Halloween Easter Dog Tedy 140 Brown**WAFUNNE**£22.57**3.9★**▲ 586%**](https://www.amazon.co.uk/dp/B0D4QNT4T4) [**WAFUNNE Flannel Animal Hooded Costume Onesie for Kids Boys Girls Cosplay Halloween Easter Dog Tedy 110 Brown**WAFUNNE**£21.23**3.9★**▲ 579%**](https://www.amazon.co.uk/dp/B0D4QS4TXL) [**WAFUNNE Flannel Dog Costume Cosplay Halloween Animal Onesie for Kids Adults Boys Girls Child Pug 120**WAFUNNE**£20.56**4.7★**▲ 528%**](https://www.amazon.co.uk/dp/B0C2YT89S3)
**~~View all trending →~~**
## **What buyers say about dog halloween costumes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**27%
*“A good quality dressing up item”*
**Size-Overall**14%
*“not a bad fit whatsoever”*
**Fun/Entertainment Experience**13%
*“along with his favourite toy”*
**Value For Money**9%
*“Good value”*
**Inflation/Deflation**6%
*“Stays inflated, works great, looks funny, 10/10 - it's a sausage dog costume for 2 people, the only thing left to decide is who is the front and who is the butt”*
**Advertised Vs Actual Product**6%
*“Great costume as described”*
**Soft Feel**4%
*“Soft material and comfortable to wear”*
**Design-Overall**3%
*“The design means it will fit a variety of sizes of dogs”*
**Assembly/Installation**3%
*“It was very easy to set up - it has clear instructions”*
**Warmth**1%
*“The onesie is soft and fluffy and it is warm and comfortable to wear”*
### **What buyers complain about **
**Size-Overall**36%
*“Sizes big”*
**Value For Money**17%
*“Really cheap item not worth the money”*
**Quality-Overall**11%
*“Not what I was expecting disappointed in quality”*
**Instructions/User Manual/Troubleshooting**6%
*“instructions not at all clear”*
**Strength**2%
*“it's a wobbly struggle sound”*
**Stiffness**2%
*“it's a wobbly struggle sound”*
### **Top return reasons **
**Size-Overall**79%
**Quality-Overall**9%
**Advertised Vs Actual Product**2%
**Defective Material/Parts**2%
**Inflation/Deflation**2%
**Functionality-Overall**2%
**Length**1%
**Material Quality**1%
**Comfort-Overall**1%
**Weight Light**1%
## **Common questions**
- **Is dog halloween costumes profitable to sell on Amazon United Kingdom?**
- The niche generates £41K/yr across 54 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is +9.9%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the dog halloween costumes niche?**
- 36 brands and 54 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 59% of demand.
- **What do buyers complain about in dog halloween costumes?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Quality-Overall. The return rate is 4.3%.
- **When does demand for dog halloween costumes peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 51.7× the quietest.
- **What does it cost to enter the dog halloween costumes niche?**
- Listings span £3.81–£33.34; the average listing price is £12.08 (sweet spot $15–$100). The average incumbent carries 202 reviews — the moat a new listing must climb.
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