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.

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.

Conversion

Incredible17.5%

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

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Market size

Great£962K

£962K/yr · 868K searches

Brand share

Good72%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good54%

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

Review moat

Okay2,347.32

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

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

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.

Peak months: Mar · busiest ÷ quietest = 1.9×

Open Trend

Top filler for walls search terms

wall filler233K/yr -10.5%13.6% conv.
filler for walls219K/yr -17.7%16.4% conv.
filler157K/yr -16.4%13.6% conv.
wall filler ready mixed for holes64K/yr -29.7%15.7% conv.
hole filler19K/yr -8.6%8.2% conv.
wall filler ready mixed18K/yr -16.4%12.7% conv.
wall hole filler18K/yr -8.9%8.9% conv.
plaster filler16K/yr -18.3%9.8% conv.
ready mixed wall filler11K/yr -8.2%13.4% conv.
all purpose filler16K/yr -17.9%12.2% conv.

All 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.

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

Ronseal 6886271-HHW Smooth Finish Filler Multi-Purpose Ready Mixed 900g White

Ronseal£5.714.5★9,067 rev

Bartoline Ready Mixed Instant Filler 330g

Bartoline£2.394.2★129 rev

Bartoline 1876 Ready to Use All Purpose Filler 1kg Professional Quality for Plaster Wood Brick and Stone Easy to Apply & Sand

Bartoline£3.274.4★381 rev

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£8.964.6★326 rev

Everbuild All Purpose Ready Mixed Filler Interior And Exterior Use White 600g

Sika£4.114.4★5,408 rev

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£8.3412 rev

4mo ago

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£9.299 rev

5mo ago

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£8.96326 rev

10mo ago

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£7.56140 rev

1y ago

fischer WallHero Repair Filler Ready Mixed with Built in Spatula 570495

fischer£3.4079 rev

1y ago

What buyers say about filler for walls

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

What buyers love

Ease Of Use23%

“Easy to open”

Quality-Overall18%

“Its well-made”

Advertised Vs Actual Product13%

“Better than expected”

Value For Money12%

“Excellent value for money”

Efficiency4%

“does the job”

Moist/Dry4%

“it's good stuff which dries to a nice white finish”

Stitch/Finish/Polish2%

“Clean neat finish”

Size-Overall2%

“a good size”

Maintenance And Repair2%

“Ideal for repairs and making good”

Paint Quality2%

“Looks great once painted over”

What buyers complain about

Ease Of Use17%

“bit awkward to use at times”

Quality-Overall12%

“Useless rubbish really”

Value For Money8%

“which feels a bit disappointing considering the price”

Hard Feel7%

“Arrived half full and hard”

Size-Overall6%

“Smaller tub than I anticipated”

Color6%

“However after a month or so Ive noticed that the whiteness has started to turn yellow”

Leak-Proof6%

“Arrived having completely leaked out into the box”

Thickness5%

“not that deep. half-inch max”

Functionality-Overall3%

“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 Product2%

“Very disappointed that exaggerated claims always seem to be made for so many products these days”

Top return reasons

Leak-Proof40%

Defective Material/Parts14%

Size-Overall8%

Functionality-Overall5%

Ease Of Use4%

Product Condition4%

Quality-Overall3%

Advertised Vs Actual Product3%

Maintenance And Repair3%

Hard Feel3%

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.