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53

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

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Incredible13.6%

search→purchase rate — share of searches ending in a sale

Quality gap

Great4.3★

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

Okay2,222.06

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay89%

top-5 brand share — brands hold most of the demand

Competition

Bad71%

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

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 '26SepDecMarJunAugNovMarMay

Peak months: Apr, May · busiest ÷ quietest = 2.0×

Top wood filler search terms

  • wood filler586K/yr
  • wood filler exterior33K/yr
  • exterior wood filler34K/yr
  • wood filler natural27K/yr
  • outdoor wood filler12K/yr
  • external wood filler9K/yr
  • plastic wood filler14K/yr
  • woodfiller6K/yr
  • bondo wood filler7K/yr
  • flexible wood filler6K/yr
All 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 moat Market 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.

What buyers say about wood filler

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall23%

“Excellent product”

Ease Of Use16%

“The filler was easy to work with”

Value For Money13%

“Good buy”

Wood Quality11%

“Solid as wood”

Advertised Vs Actual Product9%

“100% works as advertised”

Drying Time3%

“Dries really well”

Color2%

“Nice colour and very easy to use”

Efficiency2%

“Does the job”

Moist/Dry2%

“Drys and sands well”

Paint Quality2%

“Sanded down and painted and good overall result”

What buyers complain about

Hard Feel16%

“Rock hard inside”

Value For Money13%

“Costs more”

Quality-Overall11%

“Poor quality”

Ease Of Use11%

“cannot be used”

Durability4%

“This could be a failed batch”

Color4%

“slightly of a lighter colour than what I was expecting”

Thickness4%

“Only a thin Layer to be used”

Functionality-Overall4%

“Crap, doesn't do anything”

Size-Overall3%

“Not fit for purpose”

Suitable For Outdoor2%

“Think twice before using it outdoors”

Top return reasons

Color31%
Leak-Proof11%
Defective Material/Parts11%
Hard Feel8%
Functionality-Overall6%
Size-Overall5%
Product Condition3%
Adhesion/Stickiness3%
Maintenance And Repair3%
Quality-Overall3%

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.