---
title: "Bloc — £36K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/bloc"
last_updated: "2026-07-31T12:03:15.034Z"
locale: en
meta:
description: "Niche score 56/100 · £36K/yr market · 60K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · £36K/yr market · 60K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bloc — £36K/yr Amazon UK Niche (2026) - Flapen"
---
# **bloc**
**Worth a look**
Shows a sweet-spot price point ($27.57 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 9Growth 84Conversion 27Competition 84Returns 90Price range 30Avg price 95Brand share 36Review moat 42Quality gap 60
**Avg price**
**Incredible****£27.57**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Growth**
**Great****+81.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Great****31%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,318.36**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****£10.70–£293.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£36K**
£36K/yr · 60K searches
According to Flapen's Amazon United Kingdom niche tracking, bloc is a £36K/yr Amazon United Kingdom market (60K searches/yr). The top 5 brands hold 84% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bloc market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **£28K–£34K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#462**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **58%**
- **Out of stock**
- **1.0%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.
**Brands**
**17 **▲rising
**Sellers**
**33**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**31%**
Top 20: 67%
**Open market**
**12%**
- Bloc51% - ICECUBE15% - Perfectmiaoxuan8% - RIVBOS5% - PUKCLAR5% - Rayruling4% - Open — no brand owns it (11 brands, 12%)
## **Top bloc search terms**
- **bloc sunglasses mens**21K/yr+145.1%2.7% conv. - **bloc sunglasses**13K/yr+107.7%1.8% conv. - **bloc**17K/yr-9.4%0.5% conv. - **bloc sunglasses uk**3K/yr+280.7%1.6% conv. - **bloc sunglasses womens**5K/yr+102.0%2.3% conv. [**All search terms **](https://flapen.com/research/uk/fashion/bloc/search-terms)
## **Top bloc 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%£3K12%£4K101001K10K 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**Bloc Eyewear Womens Capricorn Sunglasses Choc/ Cream F216 One Size**Bloc**£28.66**4.7★122 rev](https://www.amazon.co.uk/dp/B003P8QG02) [2**Bloc Hornet POLARISED Lens Sun Glasses (Black)**Bloc**£28.82**4.6★417 rev](https://www.amazon.co.uk/dp/B001YAOJXO) [3**Bloc Eyewear Daytona Sunglasses - Black/Blue Lens**Bloc**£28.78**4.5★347 rev](https://www.amazon.co.uk/dp/B005XGXGP2) [4**Rayruling Polarized Sunglasses Men Women Sport Sunglasses Men Black Retro TR90 Ultralight Frame UV400 HD Golf/Driving/Fishing/Travel Glasses/Outdoor Sports Fashion**Rayruling**£13.26**4.5★428 rev](https://www.amazon.co.uk/dp/B0F24SND9D) [5**Perfectmiaoxuan 3-Pack Polarised Sunglasses for Men & Women - Lightweight TR90 Retro Frames - UV400 Protection CAT-3 HD Lenses for Driving Fishing & Travel - Unisex Classic Shades**Perfectmiaoxuan**£15.70**4.1★2,583 rev](https://www.amazon.co.uk/dp/B0DDXRVK7H)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Rayruling Polarized Sunglasses Men Women Sport Sunglasses Men Black Retro TR90 Ultralight Frame UV400 HD Golf/Driving/Fishing/Travel Glasses/Outdoor Sports Fashion**Rayruling**£13.26**428 rev1y ago](https://www.amazon.co.uk/dp/B0F24SND9D) [**Perfectmiaoxuan 3-Pack Polarised Sunglasses for Men & Women - Lightweight TR90 Retro Frames - UV400 Protection CAT-3 HD Lenses for Driving Fishing & Travel - Unisex Classic Shades**Perfectmiaoxuan**£15.70**2,583 rev1y ago](https://www.amazon.co.uk/dp/B0DDXRVK7H) [**Perfectmiaoxuan Polarized sunglasses for men/women; Vintage/classic/elegant light frame; HD pilot lenses; Golf/driving/fishing/travel Eyewear**Perfectmiaoxuan**£12.65**3,924 rev4y ago](https://www.amazon.co.uk/dp/B0B5LLJBWQ) [**RIVBOS Mens Polarized Sunglasses TR90 Unbreakable Frame RB831 32-Black Ice Blue Lens M 32-black Ice Blue Lens M**RIVBOS**£15.07**2,287 rev4y ago](https://www.amazon.co.uk/dp/B09RGYHRFF) [**RIVBOS Sunglasses Men Women Polarized UV400 Cycling Glasses Sports Glasses Cycling Hiking Running Golf and Fishing Driving RB831**RIVBOS**£15.08**2,287 rev4y ago](https://www.amazon.co.uk/dp/B09R8SGDK1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Perfectmiaoxuan Polarized sunglasses for men/women;HD pilot lenses light frame; Golf/driving/fishing/travel Eyewear**Perfectmiaoxuan**£14.24**4.2★**▲ 55%**](https://www.amazon.co.uk/dp/B09BFZ62YB) [**Perfectmiaoxuan 3-Pack Polarised Sunglasses for Men & Women - Lightweight TR90 Retro Frames - UV400 Protection CAT-3 HD Lenses for Driving Fishing & Travel - Unisex Classic Shades**Perfectmiaoxuan**£15.70**4.1★**▲ 55%**](https://www.amazon.co.uk/dp/B0DDXRVK7H) [**Rayruling Polarized Sunglasses Men Women Sport Sunglasses Men Black Retro TR90 Ultralight Frame UV400 HD Golf/Driving/Fishing/Travel Glasses/Outdoor Sports Fashion**Rayruling**£13.26**4.5★**▲ 53%**](https://www.amazon.co.uk/dp/B0F24SND9D) [**Perfectmiaoxuan Polarized sunglasses for men/women; Vintage/classic/elegant light frame; HD pilot lenses; Golf/driving/fishing/travel Eyewear**Perfectmiaoxuan**£12.65**4.2★**▲ 50%**](https://www.amazon.co.uk/dp/B0B5LLJBWQ) [**RIVBOS Mens Polarized Sunglasses TR90 Unbreakable Frame RB831 32-Black Ice Blue Lens M 32-black Ice Blue Lens M**RIVBOS**£15.07**4.4★**▲ 46%**](https://www.amazon.co.uk/dp/B09RGYHRFF)
**~~View all trending →~~**
## **What buyers say about bloc**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**28%
*“not expensive”*
**Quality-Overall**19%
*“Excellent product”*
**Comfort-Overall**14%
*“He said they make everything clear and comfortable”*
**Size-Overall**11%
*“Fit perfectly”*
**Shape/Style**5%
*“nice style”*
**Advertised Vs Actual Product**4%
*“Works as should”*
**Weight Light**3%
*“Lightweight Sunglasses That Stay Put”*
**Design-Overall**3%
*“The design is awesome”*
**Strength**2%
*“They are sturdy”*
**Exercise/Sports Suitability**2%
*“Great for cycling jogging or driving”*
### **What buyers complain about **
**Quality-Overall**26%
*“Read the feedback these are poor cheap crap”*
**Durability**17%
*“Bad durability”*
**Strength**10%
*“flimsy”*
**Size-Overall**5%
*“they suddenly felt loose”*
**Advertised Vs Actual Product**5%
*“Misleading”*
**Value For Money**4%
*“Rubbish not worth the money looks very cheap as well”*
**Color**3%
*“Would have liked a darker pair in which other colours are available”*
**Material Quality**2%
*“Very plasticky like something you'd buy in a bargain/pound shop”*
**Comfort-Overall**1%
*“They aren't very good the side arm's don't line up making them uncomfortable to wear”*
**Adjustability/Rotatability/Reclining**1%
*“no ability to adjust”*
### **Top return reasons **
**Size-Overall**55%
**Quality-Overall**9%
**Shape/Style**9%
**Advertised Vs Actual Product**4%
**Color**4%
**Comfort-Overall**4%
**Durability**2%
**Functionality-Overall**2%
**Width**2%
**Connectivity-Overall**1%
## **Common questions**
- **Is bloc profitable to sell on Amazon United Kingdom?**
- The niche generates £36K/yr across 55 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +81.3%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the bloc niche?**
- 17 brands and 33 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in bloc?**
- Top complaints mined from reviews: Quality-Overall, Durability, Strength. The return rate is 1.2%.
- **What does it cost to enter the bloc niche?**
- Listings span £10.70–£293.26; the average listing price is £27.57 (sweet spot $15–$100). The average incumbent carries 2,318 reviews — the moat a new listing must climb.
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