---
title: "Wood Filler — £645K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/wood-filler"
last_updated: "2026-07-31T09:42:33.011Z"
locale: en
meta:
description: "Niche score 53/100 · £645K/yr market · 761K searches/yr. Prices mostly outside the sweet spot ($2.66–$11.08) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · £645K/yr market · 761K searches/yr. Prices mostly outside the sweet spot ($2.66–$11.08) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Wood Filler — £645K/yr Amazon UK Niche (2026) - Flapen"
---
# **wood filler**
**Worth a look**
Shows low returns (0.4%), but prices mostly outside the sweet spot ($2.66–$11.08) keeps it on the watch list.
Market size 66Growth 46Conversion 96Competition 24Returns 98Price range 0Avg price 17Brand share 26Review moat 43Quality gap 75
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****£645K**
£645K/yr · 761K searches
**Growth**
**Okay****+16.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,222.06**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Avg price**
**Bad****£6.23**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£2.66–£11.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, wood filler is a £645K/yr Amazon United Kingdom market (761K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 53/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **wood filler market data**
- **Units sold / yr**
- **80K–100K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **£498K–£623K**
- units × avg price
- **Conversion rate**
- **13.6%**
- **Avg BSR**
- **#78**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **69%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**80**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**8%**
- Sika34% - Bartoline20% - Ronseal17% - Everbuild15% - ZUNAX4% - Sinto3% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +16.9% search growth over the last 90 days.
20K15KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/wood-filler/trend)
## **Top wood filler search terms**
- **wood filler**586K/yr+4.6%10.9% conv. - **wood filler exterior**33K/yr+479.4%11.7% conv. - **exterior wood filler**34K/yr+107.7%8.7% conv. - **wood filler natural**27K/yr-7.5%12.8% conv. - **outdoor wood filler**12K/yr+95.1%9.1% conv. - **external wood filler**9K/yr+85.4%11.3% conv. - **plastic wood filler**14K/yr-11.3%6.1% conv. - **woodfiller**6K/yr+12.8%11.3% conv. - **bondo wood filler**7K/yr+4.4%2.5% conv. - **flexible wood filler**6K/yr+15.2%4.4% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/wood-filler/search-terms)
## **Top wood filler 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%£65K20%£129K30%£194K40%£258K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Everbuild Multipurpose Wood Filler Suitable for Indoor and Outdoor Use Sandable Light Stainable 250ml**Sika**£3.64**4.5★9,053 rev](https://www.amazon.co.uk/dp/B0046LZI88) [2**Everbuild Multipurpose Wood Filler Suitable for Indoor and Outdoor Use Sandable Light Oak 250ml**Everbuild**£3.67**4.5★6,861 rev](https://www.amazon.co.uk/dp/B007PCPVKK) [3**Bartoline Ready Mixed Wood Filler White 500g**Bartoline**£2.66**4.2★875 rev](https://www.amazon.co.uk/dp/B07B5PBDDM) [4**Ronseal 35304 High Performance Wood Filler - Natural 550g**Ronseal**£9.95**4.4★935 rev](https://www.amazon.co.uk/dp/B001GU2H6S) [5**Everbuild Multipurpose Wood Filler Suitable For Indoor And Outdoor Use Sandable White 250ml**Sika**£3.47**4.4★2,888 rev](https://www.amazon.co.uk/dp/B007PCQ0M8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MOLLOR All Purpose Wood Filler 150g White Wood Putty Repair for Holes Quickly Restore Any Broken and Defective Wooden Furniture Door Frame Repair Kit Stainable**Mollor**£8.24**164 rev1y ago](https://www.amazon.co.uk/dp/B0DRJJLV2V) [**Bartoline Ready Mixed Wood Filler White 330gm Tube with 2 Spreaders and 2 Sandpapers - 5pcs Wood Filler Set - Ideal for Interior and Exterior Hardwood and Furniture Repair(Packaging may vary)**ZUNAX**£9.91**203 rev1y ago](https://www.amazon.co.uk/dp/B0DJRCKQHL) [**Bartoline 1876 Ready to Use All Purpose Filler 1kg Professional Quality for Plaster Wood Brick and Stone Easy to Apply & Sand**Bartoline**£3.27**381 rev3y ago](https://www.amazon.co.uk/dp/B0BGSCNWZN) [**Bartoline Ready Mixed Wood Filler Brown 500g Durable & Easy-to-Use Filler for Interior & Exterior Wood Repairs**Bartoline**£5.18**875 rev3y ago](https://www.amazon.co.uk/dp/B071G35RKW) [**Toupret Wood Filler - Professional-Grade Pre-Mixed Interior & Exterior Wood Repair Paste - Quick-Drying Sandable Paintable - Fills Cracks & Holes - Natural Wood - 1.25 kg**Toupret**£11.08**107 rev5y ago](https://www.amazon.co.uk/dp/B097DW5V9P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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★**▲ 118%**](https://www.amazon.co.uk/dp/B0BGSCNWZN) [**Everbuild Multipurpose Wood Filler Suitable for Indoor and Outdoor Use Sandable Light Oak 250ml**Everbuild**£3.67**4.5★**▲ 66%**](https://www.amazon.co.uk/dp/B007PCPVKK) [**SINTO Filler Large Holes & Cracks Light Wood 500 g**Sinto**£6.25**4.3★**▲ 49%**](https://www.amazon.co.uk/dp/B00LXES2UM) [**Bartoline Ready Mixed Wood Filler Brown 500g Durable & Easy-to-Use Filler for Interior & Exterior Wood Repairs**Bartoline**£5.18**4.2★**▲ 44%**](https://www.amazon.co.uk/dp/B071G35RKW) [**Ronseal 35304 High Performance Wood Filler - Natural 550g**Ronseal**£9.95**4.4★**▲ 39%**](https://www.amazon.co.uk/dp/B001GU2H6S)
**~~View all trending →~~**
## **What buyers say about wood filler**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Excellent product”*
**Ease Of Use**16%
*“The filler was easy to work with”*
**Value For Money**13%
*“Good buy”*
**Wood Quality**11%
*“Solid as wood”*
**Advertised Vs Actual Product**9%
*“100% works as advertised”*
**Drying Time**3%
*“Dries really well”*
**Color**2%
*“Nice colour and very easy to use”*
**Efficiency**2%
*“Does the job”*
**Moist/Dry**2%
*“Drys and sands well”*
**Paint Quality**2%
*“Sanded down and painted and good overall result”*
### **What buyers complain about **
**Hard Feel**16%
*“Rock hard inside”*
**Value For Money**13%
*“Costs more”*
**Quality-Overall**11%
*“Poor quality”*
**Ease Of Use**11%
*“cannot be used”*
**Durability**4%
*“This could be a failed batch”*
**Color**4%
*“slightly of a lighter colour than what I was expecting”*
**Thickness**4%
*“Only a thin Layer to be used”*
**Functionality-Overall**4%
*“Crap, doesn't do anything”*
**Size-Overall**3%
*“Not fit for purpose”*
**Suitable For Outdoor**2%
*“Think twice before using it outdoors”*
### **Top return reasons **
**Color**31%
**Leak-Proof**11%
**Defective Material/Parts**11%
**Hard Feel**8%
**Functionality-Overall**6%
**Size-Overall**5%
**Product Condition**3%
**Adhesion/Stickiness**3%
**Maintenance And Repair**3%
**Quality-Overall**3%
## **Common questions**
- **Is wood filler profitable to sell on Amazon United Kingdom?**
- The niche generates £645K/yr across 16 tracked products. 90-day search growth is +16.9%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the wood filler niche?**
- 10 brands and 80 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in wood filler?**
- Top complaints mined from reviews: Hard Feel, Value For Money, Quality-Overall. The return rate is 0.4%.
- **When does demand for wood filler peak?**
- Demand peaks in Apr–May; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the wood filler niche?**
- Listings span £2.66–£11.08; the average listing price is £6.23 (sweet spot $15–$100). The average incumbent carries 2,222 reviews — the moat a new listing must climb.
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