---
title: "Sash Brush — £77K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/sash-brush"
last_updated: "2026-07-31T12:35:29.129Z"
locale: en
meta:
description: "Niche score 46/100 · £77K/yr market · 73K searches/yr · £10.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £77K/yr market · 73K searches/yr · £10.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sash Brush — £77K/yr Amazon UK Niche (2026) - Flapen"
---
# **sash brush**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 19Growth 32Conversion 86Competition 46Returns 99Price range 41Avg price 40Brand share 9Review moat 78Quality gap 40
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****444.05**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****£2.94–£23.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****£10.76**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+5.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£77K**
£77K/yr · 73K searches
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, sash brush is a £77K/yr Amazon United Kingdom market (73K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sash brush market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£65K–£86K**
- units × avg price
- **Conversion rate**
- **9.8%**
- **Avg BSR**
- **#254**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **38%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**7 **▼falling
**Sellers**
**50**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 99%
**Open market**
**1%**
- HAMILTON74% - CORAL8% - Harris7% - YikuStyle6% - ProDec2% - Invalidism2% - Open — no brand owns it (1 brand, 1%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.7% search growth over the last 90 days.
2K2KSpike '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/sash-brush/trend)
## **Top sash brush search terms**
- **hamilton paint brushes**36K/yr-3.7%7.5% conv. - **sash brush**21K/yr+4.9%8.2% conv. - **hamilton perfection brushes**6K/yr+55.4%2.9% conv. - **sash brushes**4K/yr+30.9%8.0% conv. - **hamilton prestige paint brushes**3K/yr+16.7%6.8% conv. - **hamilton brushes**4K/yr-2.4%8.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/sash-brush/search-terms)
## **Top sash brush 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%£8K20%£15K30%£23K40%£31K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hamilton For The Trade Fine Tip Brushes | 5 Brush Pack | 1 1.5 2 Brown**HAMILTON**£8.32**4.6★955 rev](https://www.amazon.co.uk/dp/B09FF7W1N5) [2**Hamilton Perfection Clean Edge New Technology Paint Brush Set x 4**HAMILTON**£20.51**4.4★44 rev](https://www.amazon.co.uk/dp/B0CSBQPXT2) [3**Hamilton Prestige Pure Synthetic Sash Brushes | 3 Pack | 15mm 18mm 21mm**HAMILTON**£8.14**4.6★2,012 rev](https://www.amazon.co.uk/dp/B00CYLX9PQ) [4**Hamilton Prestige Pure Synthetic Paint Brushes | 5 Box Set | Vapour Box Compatible | 1 1.5 2**HAMILTON**£12.53**4.6★1,703 rev](https://www.amazon.co.uk/dp/B00CYLUMVK) [5**Harris Trade Round Sash Brushes 3 Pack**Harris**£6.68**4.6★142 rev](https://www.amazon.co.uk/dp/B0CYH9WYHS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hamilton Perfection Clean Edge Paint Brush Set X 4 including 3/4 Angled Window Brush**HAMILTON**£19.26**1 rev1y ago](https://www.amazon.co.uk/dp/B0FDG4NZZ8) [**Harris Trade Round Sash Brushes 3 Pack**Harris**£6.68**142 rev2y ago](https://www.amazon.co.uk/dp/B0CYH9WYHS) [**Invalidism 6 Pcs 0.45/0.6/0.7 inch Small Paint Brush for Walls**Invalidism**£8.44**61 rev2y ago](https://www.amazon.co.uk/dp/B0CYT7LH6J) [**Hamilton 3 Pack Clean Edge Synthetic Firm Bristle Sash Paint Brush Set**HAMILTON**£12.28**20 rev2y ago](https://www.amazon.co.uk/dp/B0CT3TQ8ZY) [**Hamilton Perfection Clean Edge New Technology Paint Brush Set x 4**HAMILTON**£20.51**44 rev2y ago](https://www.amazon.co.uk/dp/B0CSBQPXT2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**5 Piece Hamilton Perfection Max Stroke Soft Synthetic Flat Brush Set (1 x 1 2 x 1.5 2 x 2)**HAMILTON**£22.68**4.5★**▲ 47%**](https://www.amazon.co.uk/dp/B0CRHZC7JQ) [**Hamilton Perfection Clean Edge Paint Brush Set X 4 including 3/4 Angled Window Brush**HAMILTON**£19.26**4.0★**▲ 34%**](https://www.amazon.co.uk/dp/B0FDG4NZZ8) [**Hamilton Perfection Pure Synthetic Fine Tipped Brushes | 4 Box Set | Vapour Box Compatible | 1 1.5 2**HAMILTON**£23.23**4.6★**▲ 32%**](https://www.amazon.co.uk/dp/B00CYLMG7I) [**Harris Trade Round Sash Brushes 3 Pack**Harris**£6.68**4.6★**▲ 26%**](https://www.amazon.co.uk/dp/B0CYH9WYHS) [**Hamilton Prestige 5pce SYNTHETIC BRISTLE Paint Brush Set + Comb (23199-305)**HAMILTON**£16.10**4.7★**▲ 22%**](https://www.amazon.co.uk/dp/B0DXDL386D)
**~~View all trending →~~**
## **What buyers say about sash brush**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**33%
*“Excellent quality”*
**Value For Money**17%
*“Worth the money”*
**Brush Quality**13%
*“Excellent brushes”*
**Ease Of Cleaning**7%
*“Easy to Clean: Cleaning these brushes is a breeze”*
**Paint Quality**6%
*“paint was perfect”*
**Ease Of Use**5%
*“easy to use”*
**Grip**3%
*“Excellent bristles easy to hold”*
**Durability**3%
*“durable”*
**Advertised Vs Actual Product**3%
*“Better than expected”*
**Soft Feel**2%
*“The soft, firm bristles wash out easily, making maintenance simple and quick”*
### **What buyers complain about **
**Paint Quality**35%
*“some of the bristles have come out during painting which i was hoping they wouldn't”*
**Durability**15%
*“6 brushes, all fell apart after first use”*
**Value For Money**15%
*“they are hard to buy now and expensive”*
**Ease Of Cleaning**10%
*“hard to thoroughly clean”*
**Quality-Overall**10%
*“poor quality”*
**Hard Feel**5%
*“Not the softest”*
**Strength**5%
*“A bit brittle”*
### **Top return reasons **
**Size-Overall**39%
**Quality-Overall**21%
**Paint Quality**11%
**Defective Material/Parts**5%
**Functionality-Overall**4%
**Soft Feel**4%
**Thickness**3%
**Strength**2%
**Ease Of Use**2%
**Value For Money**2%
## **Common questions**
- **Is sash brush profitable to sell on Amazon United Kingdom?**
- The niche generates £77K/yr across 21 tracked products. 90-day search growth is +5.7%. Flapen's verdict: Skip it (46/100).
- **How competitive is the sash brush niche?**
- 7 brands and 50 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in sash brush?**
- Top complaints mined from reviews: Paint Quality, Durability, Value For Money. The return rate is 0.2%.
- **When does demand for sash brush peak?**
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- **What does it cost to enter the sash brush niche?**
- Listings span £2.94–£23.23; the average listing price is £10.76 (sweet spot $15–$100). The average incumbent carries 444 reviews — the moat a new listing must climb.
## **Related niches in DIY & Tools**
- 68 [**cardboard cutter**](https://flapen.com/research/uk/diy-tools/cardboard-cutter)£343K/yr+30.6%**Worth a look**- 68 [**door canopy**](https://flapen.com/research/uk/diy-tools/door-canopy)£202K/yr+187.7%**Worth a look**- 68 [**fence post repair**](https://flapen.com/research/uk/diy-tools/fence-post-repair)£359K/yr-8.2%**Worth a look**- 68 [**cat window guard**](https://flapen.com/research/uk/diy-tools/cat-window-guard)£98K/yr+413.1%**Worth a look**- 68 [**sun shade**](https://flapen.com/research/uk/diy-tools/sun-shade)£202K/yr+187.7%**Worth a look**- 69 [**brass hose connector**](https://flapen.com/research/uk/diy-tools/brass-hose-connector)£66K/yr+122.8%**Worth a look**[**All DIY & Tools niches **](https://flapen.com/research/uk/diy-tools)