---
title: "Filler for Walls — £962K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/filler-for-walls"
last_updated: "2026-07-31T14:11:37.836Z"
locale: en
meta:
description: "Niche score 56/100 · £962K/yr market. 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 · £962K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Filler for Walls — £962K/yr Amazon UK Niche (2026) - Flapen"
---
# **filler for walls**
**Worth a look**
Shows searches that convert (17.5% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 77Growth 17Conversion 98Competition 52Returns 98Price range 9Avg price 18Brand share 55Review moat 42Quality gap 55
**Conversion**
**Incredible****17.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Market size**
**Great****£962K**
£962K/yr · 868K searches
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,347.32**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£6.34**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-15.8%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£1.04–£16.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, filler for walls is a £962K/yr Amazon United Kingdom market (868K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Mar. Verdict: Worth a look — 56/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **filler for walls market data**
- **Units sold / yr**
- **125K–150K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **£793K–£951K**
- units × avg price
- **Conversion rate**
- **17.5%**
- **Avg BSR**
- **#38**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **3.4%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**99**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 95%
**Open market**
**23%**
- Ronseal27% - Bartoline27% - Everbuild7% - GORILLA6% - Palace6% - Sika5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.
25K15KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/filler-for-walls/trend)
## **Top filler for walls search terms**
- **wall filler**233K/yr-10.5%13.6% conv. - **filler for walls**219K/yr-17.7%16.4% conv. - **filler**157K/yr-16.4%13.6% conv. - **wall filler ready mixed for holes**64K/yr-29.7%15.7% conv. - **hole filler**19K/yr-8.6%8.2% conv. - **wall filler ready mixed**18K/yr-16.4%12.7% conv. - **wall hole filler**18K/yr-8.9%8.9% conv. - **plaster filler**16K/yr-18.3%9.8% conv. - **ready mixed wall filler**11K/yr-8.2%13.4% conv. - **all purpose filler**16K/yr-17.9%12.2% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/filler-for-walls/search-terms)
## **Top filler for walls 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%5%£48K10%£96K15%£144K20%£192K1101001K10K100K 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**Bartoline Ready Mixed Instant Filler 330g**Bartoline**£2.39**4.2★129 rev](https://www.amazon.co.uk/dp/B009TAOJH2) [3**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★381 rev](https://www.amazon.co.uk/dp/B0BGSCNWZN) [4**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**4.6★326 rev](https://www.amazon.co.uk/dp/B0FP4WYY8C) [5**Everbuild All Purpose Ready Mixed Filler Interior And Exterior Use White 600g**Sika**£4.11**4.4★5,408 rev](https://www.amazon.co.uk/dp/B001323YJ8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wall Repair Kit Ready Mixed Filler for Walls Holes & Gaps 3 Sand Paper 3 Wall Patches Plastic Filling Tools Plaster & Wood Filler 3x100**Striyco Essentials**£8.34**12 rev4mo ago](https://www.amazon.co.uk/dp/B0GS7JZH55) [**Wall Repair Kit with Ready Mixed Filler 330g Wall Filler for Cracks Holes Gaps Plaster Plasterboard Wood Brick Includes Scraper Sandpaper Gloves Interior Exterior**JBL General**£9.29**9 rev5mo ago](https://www.amazon.co.uk/dp/B0GKD322H8) [**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) [**Plaster Wood & Instant Wall Filler 330g + 3 Filling Tool & Sandpaper Ready Mixed White Crack Hole & Gap Repair Kit | For Plaster Plasterboard & Wood Smooth Finish Interior & Exterior**PackPioneer**£7.56**140 rev1y ago](https://www.amazon.co.uk/dp/B0F2GWYGCN) [**fischer WallHero Repair Filler Ready Mixed with Built in Spatula 570495**fischer**£3.40**79 rev1y ago](https://www.amazon.co.uk/dp/B0F196R844)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Wall Repair Kit Ready Mixed Filler for Walls Holes & Gaps 3 Sand Paper 3 Wall Patches Plastic Filling Tools Plaster & Wood Filler 3x100**Striyco Essentials**£8.34**3.9★**▲ 194%**](https://www.amazon.co.uk/dp/B0GS7JZH55) [**Bartoline Ready Mixed Instant Filler 330g**Bartoline**£2.39**4.2★**▲ 172%**](https://www.amazon.co.uk/dp/B009TAOJH2) [**Palace Fine Surface FIller Tub 600gm - Durable Multi-Purpose Filler for Repairing Shallow Gaps Cracks and Fine Nicks Sandable & Paintable**Palace**£1.04**4.6★**▲ 159%**](https://www.amazon.co.uk/dp/B07XGMLGRX) [**Wall Repair Kit with Ready Mixed Filler 330g Wall Filler for Cracks Holes Gaps Plaster Plasterboard Wood Brick Includes Scraper Sandpaper Gloves Interior Exterior**JBL General**£9.29**4.3★**▲ 145%**](https://www.amazon.co.uk/dp/B0GKD322H8) [**Bartoline Patching Plaster 1.5kg All-Purpose Filler for Cracks & Holes Smooth Finish for Walls Ceilings Wood Brick & More**Bartoline**£4.12**4.5★**▲ 138%**](https://www.amazon.co.uk/dp/B00EVSCU6E)
**~~View all trending →~~**
## **What buyers say about filler for walls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**23%
*“Easy to open”*
**Quality-Overall**18%
*“Its well-made”*
**Advertised Vs Actual Product**13%
*“Better than expected”*
**Value For Money**12%
*“Excellent value for money”*
**Efficiency**4%
*“does the job”*
**Moist/Dry**4%
*“it's good stuff which dries to a nice white finish”*
**Stitch/Finish/Polish**2%
*“Clean neat finish”*
**Size-Overall**2%
*“a good size”*
**Maintenance And Repair**2%
*“Ideal for repairs and making good”*
**Paint Quality**2%
*“Looks great once painted over”*
### **What buyers complain about **
**Ease Of Use**17%
*“bit awkward to use at times”*
**Quality-Overall**12%
*“Useless rubbish really”*
**Value For Money**8%
*“which feels a bit disappointing considering the price”*
**Hard Feel**7%
*“Arrived half full and hard”*
**Size-Overall**6%
*“Smaller tub than I anticipated”*
**Color**6%
*“However after a month or so Ive noticed that the whiteness has started to turn yellow”*
**Leak-Proof**6%
*“Arrived having completely leaked out into the box”*
**Thickness**5%
*“not that deep. half-inch max”*
**Functionality-Overall**3%
*“Wouldnt recommend use its for a crack in my bedroom and even though it was applied as instructed the crack still reappears.”*
**Advertised Vs Actual Product**2%
*“Very disappointed that exaggerated claims always seem to be made for so many products these days”*
### **Top return reasons **
**Leak-Proof**40%
**Defective Material/Parts**14%
**Size-Overall**8%
**Functionality-Overall**5%
**Ease Of Use**4%
**Product Condition**4%
**Quality-Overall**3%
**Advertised Vs Actual Product**3%
**Maintenance And Repair**3%
**Hard Feel**3%
## **Common questions**
- **Is filler for walls profitable to sell on Amazon United Kingdom?**
- The niche generates £962K/yr across 25 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: Worth a look (56/100).
- **How competitive is the filler for walls niche?**
- 17 brands and 99 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in filler for walls?**
- Top complaints mined from reviews: Ease Of Use, Quality-Overall, Value For Money. The return rate is 0.3%.
- **When does demand for filler for walls peak?**
- Demand peaks in Mar; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the filler for walls niche?**
- Listings span £1.04–£16.31; the average listing price is £6.34 (sweet spot $15–$100). The average incumbent carries 2,347 reviews — the moat a new listing must climb.
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