---
title: "Polyfilla — £929K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/polyfilla"
last_updated: "2026-07-31T15:55:42.316Z"
locale: en
meta:
description: "Niche score 54/100 · £929K/yr market · 507K searches/yr. Prices mostly outside the sweet spot ($2.39–$16.31) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £929K/yr market · 507K searches/yr. Prices mostly outside the sweet spot ($2.39–$16.31) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Polyfilla — £929K/yr Amazon UK Niche (2026) - Flapen"
---
# **polyfilla**
**Worth a look**
Shows searches that convert (27.5% search→purchase), but prices mostly outside the sweet spot ($2.39–$16.31) keeps it on the watch list.
Market size 76Growth 18Conversion 100Competition 63Returns 99Price range 9Avg price 19Brand share 43Review moat 30Quality gap 38
**Conversion**
**Incredible****27.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Market size**
**Great****£929K**
£929K/yr · 507K searches
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,459.24**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£6.66**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-14.9%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£2.39–£16.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, polyfilla is a £929K/yr Amazon United Kingdom market (507K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **polyfilla market data**
- **Units sold / yr**
- **100K–125K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **£666K–£833K**
- units × avg price
- **Conversion rate**
- **27.5%**
- **Avg BSR**
- **#22**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **52%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▲rising
**Sellers**
**99**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 91%
**Open market**
**16%**
- Ronseal28% - POLYCELL18% - Polycell12% - Muelo12% - Bartoline10% - Decex5% - Open — no brand owns it (7 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -14.9% search growth over the last 90 days.
13K8KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/polyfilla/trend)
## **Top polyfilla search terms**
- **polyfilla**309K/yr-13.3%18.8% conv. - **polly filler**57K/yr-18.9%16.5% conv. - **polyfilla ready mixed**49K/yr-22.7%20.7% conv. - **polyfiller**24K/yr-13.7%17.5% conv. - **poly filler**14K/yr-28.7%14.1% conv. - **polyfiller for walls**11K/yr+12.9%17.6% conv. - **polycell polyfilla**8K/yr-5.8%8.8% conv. - **poly filler for walls**10K/yr-6.9%15.0% conv. - **polycell**8K/yr-6.9%2.8% conv. - **pollyfilla**6K/yr-11.4%16.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/polyfilla/search-terms)
## **Top polyfilla 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%£37K8%£74K12%£111K16%£149K1101001K10K100K 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**Ronseal 6886271-HHW Smooth Finish Filler Multi-Purpose Ready Mixed 900g White**Ronseal**£5.71**4.5★9,067 rev](https://www.amazon.co.uk/dp/B007DHSG5Y) [2**Polycell Polyfilla Ready Mixed Tube 396g All Purpose Filler Interior Exterior Plaster Wood Stone Cracks Holes Smooth Filler For Walls With Muelo Metal Wall Filler Tool 3 and 3 Mixed Grit Sandpapers**Muelo**£12.73**4.7★159 rev](https://www.amazon.co.uk/dp/B0F1Z7NC5V) [3**Polycell Multi Purpose Polyfilla - Ready Mixed 1KG**Polycell**£5.94**4.6★11,446 rev](https://www.amazon.co.uk/dp/B000TAWG6W) [4**Ronseal Smooth Finish Flexible Filler 330G Super Flexible Interior Wall Filler For Cracks And Holes Easy To Apply Smooth Finish Paintable Long-Lasting Repair Solution**Ronseal**£3.86**4.3★1,115 rev](https://www.amazon.co.uk/dp/B007DHSH08) [5**Bartoline Ready Mixed Instant Filler 330g**Bartoline**£2.39**4.2★129 rev](https://www.amazon.co.uk/dp/B009TAOJH2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Polycell Polyfilla Multi Purpose Ready Mixed Wall Filler 396g Tube with 3 Professional Scraper & Flexible Sanding Block Complete Wall Repair Kit**Decex**£11.60**4 rev2mo ago](https://www.amazon.co.uk/dp/B0GZ5H4DJ9) [**Polycell Polyfilla Ready Mixed Tube 396g All Purpose Filler Interior Exterior Plaster Wood Stone Cracks Holes Smooth Paste For Walls With Muelo Metal Wall Scraper Tool 3 & 3 Mixed Grit Sanding Blocks**Muelo**£14.44**38 rev6mo ago](https://www.amazon.co.uk/dp/B0GH18JS6H) [**Polyfilla Wall Filler Kit 400g Ready Mixed Crack and Hole Repair Paste with 3 Inch Scraper and 10 Sandpaper Sheets in Three Grits for Interior Walls Plasterboard and Wood Paint Ready**Verlo**£13.50**23 rev6mo ago](https://www.amazon.co.uk/dp/B0GGDMZDTP) [**Gorilla Smooth Finish Wall Filler 473ml Applies Purple & Dries White | Repairs Small and Large Holes in Walls & Ceiling Smooth Finish Wont Shrink or Crack Fills any Depth| Indoor & Outdoor Use**GORILLA**£8.96**326 rev10mo ago](https://www.amazon.co.uk/dp/B0FP4WYY8C) [**Polycell Polyfilla Ready Mixed Tube 396g All Purpose Filler Interior Exterior Plaster Wood Stone Cracks Holes Smooth Filler For Walls With Muelo Metal Wall Filler Tool 3 and 3 Mixed Grit Sandpapers**Muelo**£12.73**159 rev1y ago](https://www.amazon.co.uk/dp/B0F1Z7NC5V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Polycell Polyfilla Multi Purpose Ready Mixed Wall Filler 396g Tube with 3 Professional Scraper & Flexible Sanding Block Complete Wall Repair Kit**Decex**£11.60**4.5★**▲ 326%**](https://www.amazon.co.uk/dp/B0GZ5H4DJ9) [**Bartoline Ready Mixed Instant Filler 330g**Bartoline**£2.39**4.2★**▲ 278%**](https://www.amazon.co.uk/dp/B009TAOJH2) [**Polyfilla Wall Filler Kit 400g Ready Mixed Crack and Hole Repair Paste with 3 Inch Scraper and 10 Sandpaper Sheets in Three Grits for Interior Walls Plasterboard and Wood Paint Ready**Verlo**£13.50**4.9★**▲ 268%**](https://www.amazon.co.uk/dp/B0GGDMZDTP) [**Ronseal Smooth Finish Multi Purpose Interior Wall Filler Ready Mixed 330g**Ronseal**£2.95**4.4★**▲ 241%**](https://www.amazon.co.uk/dp/B0046QF3H4) [**Bartoline 1876 Ready to Use All Purpose Filler 1kg Professional Quality for Plaster Wood Brick and Stone Easy to Apply & Sand**Bartoline**£3.27**4.4★**▲ 241%**](https://www.amazon.co.uk/dp/B0BGSCNWZN)
**~~View all trending →~~**
## **What buyers say about polyfilla**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**22%
*“its so handy”*
**Quality-Overall**18%
*“Overall, its a good and straightforward product,”*
**Value For Money**12%
*“Good Price”*
**Advertised Vs Actual Product**12%
*“Works advertised”*
**Moist/Dry**4%
*“it's good stuff which dries to a nice white finish”*
**Efficiency**4%
*“Does the job well”*
**Stitch/Finish/Polish**3%
*“Lovely smooth finish”*
**Maintenance And Repair**2%
*“Ideal for repairs and making good”*
**Paint Quality**2%
*“Looks great once painted over”*
**Texture/Consistency-Overall**2%
*“great texture”*
### **What buyers complain about **
**Ease Of Use**18%
*“bit awkward to use at times”*
**Quality-Overall**10%
*“Really not as good as it used to be”*
**Hard Feel**6%
*“Arrived half full and hard”*
**Color**6%
*“Definitely NOT White - it's Cream”*
**Leak-Proof**6%
*“Arrived having completely leaked out into the box”*
**Size-Overall**6%
*“not really fit for purpose”*
**Value For Money**5%
*“the Price Too Expensive”*
**Thickness**3%
*“If the filler becomes too thick in the tub”*
**Paint Quality**3%
*“needs painting over”*
**Strength**2%
*“If you do manage to get anything out of the tube it is gritty”*
### **Top return reasons **
**Leak-Proof**43%
**Defective Material/Parts**14%
**Size-Overall**6%
**Functionality-Overall**6%
**Product Condition**4%
**Ease Of Use**4%
**Quality-Overall**3%
**Hard Feel**3%
**Maintenance And Repair**3%
**Advertised Vs Actual Product**2%
## **Common questions**
- **Is polyfilla profitable to sell on Amazon United Kingdom?**
- The niche generates £929K/yr across 29 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the polyfilla niche?**
- 13 brands and 99 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in polyfilla?**
- Top complaints mined from reviews: Ease Of Use, Quality-Overall, Hard Feel. The return rate is 0.2%.
- **When does demand for polyfilla peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the polyfilla niche?**
- Listings span £2.39–£16.31; the average listing price is £6.66 (sweet spot $15–$100). The average incumbent carries 3,459 reviews — the moat a new listing must climb.
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