Is exterior wood filler profitable to sell on Amazon United Kingdom?

The niche generates £247K/yr across 17 tracked products. 90-day search growth is +25.7%. Flapen's verdict: Worth a look (56/100).

How competitive is the exterior wood filler niche?

8 brands and 99 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in exterior wood filler?

Top complaints mined from reviews: Value For Money, Ease Of Use, Adhesion/Stickiness. The return rate is 0.4%.

When does demand for exterior wood filler peak?

Demand peaks in Apr–May; the busiest month runs 2.5× the quietest.

What does it cost to enter the exterior wood filler niche?

Listings span £3.64–£37.74; the average listing price is £11.80 (sweet spot $15–$100). The average incumbent carries 2,251 reviews — the moat a new listing must climb.

exterior wood filler

Worth a look

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Great11.6%

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

Price range

Good£3.64–£37.74

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Good+25.7%

90-day search growth — must beat 0% to launch

Avg price

Okay£11.80

avg listing price — sweet spot $15–$100

Market size

Okay£247K

£247K/yr · 181K searches

Review moat

Okay2,251.18

avg incumbent reviews — the moat a new listing must climb

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay90%

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

According to Flapen's Amazon United Kingdom niche tracking, exterior wood filler is a £247K/yr Amazon United Kingdom market (181K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 56/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

exterior wood filler market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: £177K–£236K; units × avg price
Conversion rate: 11.6%
Avg BSR: #204
Page quality: 0%
Prime: 94%
Sponsored: 29%
Out of stock: 0.0%
Avg brand age: 52 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

Ronseal54%
Roxil15%
Everbuild11%
J-B Weld5%
3C Sealants5%
EAZYFIX4%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +25.7% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 2.5×

Open Trend

Top exterior wood filler search terms

ronseal wood filler44K/yr +20.9%12.4% conv.
epoxy wood filler28K/yr +31.5%4.3% conv.
2 part wood filler26K/yr +12.6%7.4% conv.
ronseal high performance wood filler14K/yr +61.5%15.6% conv.
wood repair resin10K/yr +40.6%1.8% conv.
two part wood filler9K/yr +29.0%7.5% conv.
2 part epoxy resin wood filler5K/yr +74.3%3.5% conv.
wood epoxy filler5K/yr +6.0%4.5% conv.
resin wood filler5K/yr +30.4%3.2% conv.
epoxy wood filler for rotted wood3K/yr +53.1%3.7% conv.

All search terms

Top exterior 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ronseal 35304 High Performance Wood Filler - Natural 550g

Ronseal£9.954.4★935 rev

Roxil Two-Part Wood Filler White - 220cm Coverage. Premium High-Strength Wood Repair Filler for Interior & Exterior Timber Fully Stainable & Sandable Superior Moulding Low Hazard Formula

Roxil£9.184.4★1,313 rev

J-B Weld 8257UK KwikWood Epoxy Putty 57 grams - Strength 900 PSI 1 Hour Cure Time Tan

J-B Weld£4.384.1★334 rev

Ronseal High Performance Wood Filler - White 550g

Ronseal£12.874.6★527 rev

Everbuild 2-Part High Performance Wood Filler Fast Drying Weatherproof Easy to Mix and Apply Pine 500g

Everbuild£9.574.5★1,313 rev

Newest

by launch date

EAZYFIX Wood Rot Filler Premium 2-Component Epoxy for Wood Repair Durable No Shrink Paste 150 ml

EAZYFIX£28.27201 rev

3y ago

Roxil Two-Part Wood Filler White - 220cm Coverage. Premium High-Strength Wood Repair Filler for Interior & Exterior Timber Fully Stainable & Sandable Superior Moulding Low Hazard Formula

Roxil£9.181,313 rev

5y ago

Roxil Two-Part Wood Filler Natural - 220cm Coverage. Premium High-Strength Wood Repair Filler for Interior & Exterior Timber Fully Stainable & Sandable Superior Moulding Low Hazard Formula

Roxil£9.211,313 rev

5y ago

J-B Weld 8257UK KwikWood Epoxy Putty 57 grams - Strength 900 PSI 1 Hour Cure Time Tan

J-B Weld£4.38334 rev

7y ago

3C Sealants Wood Repair 2-Part Filler 620ml Long Lasting Heavy Duty Wood Filler for Durable Repairs & Restoration Projects

3C Sealants£37.7483 rev

8y ago

What buyers say about exterior wood filler

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

What buyers love

Quality-Overall18%

“Great product and simple to use”

Ease Of Use16%

“The filler was easy to work with”

Adhesion/Stickiness9%

“Very pleased with adhesion and spread”

Wood Quality9%

“Great woodfiller, great price”

Value For Money8%

“Great value”

Advertised Vs Actual Product8%

“Does the job nicely”

Efficiency4%

“Works well, does the job,”

Maintenance And Repair3%

“It good to repair”

Durability3%

“durable”

Drying Time3%

“Solid as rock once dried in 15mins great time saver”

What buyers complain about

Value For Money13%

“More expensive”

Ease Of Use11%

“then an immense struggle trying to get actual filler out of the tube”

Adhesion/Stickiness11%

“Terrible glue”

Hard Feel10%

“it had gone rock hard”

Quality-Overall8%

“Poor product”

Functionality-Overall6%

“doesnt work properly”

Size-Overall3%

“Not fit for purpose”

Color3%

“It's almost white”

Durability2%

“Does not hold”

Assembly/Installation2%

“Terrible product,20 minutes later still not set”

Top return reasons

Color31%

Functionality-Overall11%

Size-Overall9%

Defective Material/Parts8%

Adhesion/Stickiness5%

Leak-Proof5%

Compatibility-Overall4%

Hard Feel4%

Value For Money3%