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Polyfilla

Polyfilla shows searches that convert (27.5% search→purchase), but prices mostly outside the sweet spot ($2.39–$16.31) keeps it on the watch list.

Flapen Score

54
Worth a look
Market size 76Growth 18Conversion 100Competition 63Returns 99Price range 9Avg price 19Brand share 43Review moat 30Quality gap 38
This niche Category average

Is Polyfilla profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Polyfilla is a £929K/yr Amazon United Kingdom market (507K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 54/100.

Polyfilla: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -14.9% over the last 90 days and 27.5% of searches end in a purchase.

£929K

revenue / yr

Units sold / yr125K
Search volume / yr-14.9%507K
Conversion rate27.5%
Avg price£6.66

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers13 · 99
Top-5 product click share47%
Open market21%
Avg brand age47 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 29 products

Sponsored placement52%
New entrants (1y)4· 3 succeeded
Avg rating4.5★
Avg reviews3,459

Top Polyfilla products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

£0£37K£74K£111K£149K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 rising

Sellers

99

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

47%

Top 20: 91%

Open market

16%

  • Ronseal28%
  • POLYCELL18%
  • Polycell12%
  • Muelo12%
  • Bartoline10%
  • Decex5%
  • Open — no brand owns it (7 brands, 16%)

Polyfilla demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume507KCVR27.5%Products29Brands13Top 5 Brands79%OOS Rate0.0%Rating4.5★Reviews3,459Avg BSR#22
13K8KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top Polyfilla search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • polyfilla309K/yr
  • polly filler57K/yr
  • polyfilla ready mixed49K/yr
  • polyfiller24K/yr
  • poly filler14K/yr
  • polyfiller for walls11K/yr
  • polycell polyfilla8K/yr
  • poly filler for walls10K/yr
  • polycell8K/yr
  • pollyfilla6K/yr

What reviews say buyers love and hate about Polyfilla

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Ease Of Use22%

its so handy

Quality-Overall18%

Overall, its a good and straightforward product,

Value For Money12%

Good Price

Advertised Vs Actual Product12%

Works advertised

Moist/Dry4%

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

What buyers complain about

65% of reviews
Ease Of Use18%

bit awkward to use at times

Quality-Overall10%

Really not as good as it used to be

Hard Feel6%

Arrived half full and hard

Color6%

Definitely NOT White - it's Cream

Leak-Proof6%

Arrived having completely leaked out into the box

Polyfilla return rate & reasons

Why buyers send it back, as a share of all return requests.

0.2%

Return rate

9%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Leak-Proof
43%
2Defective Material/Parts
14%
3Size-Overall
6%
4Functionality-Overall
6%
5Product Condition
4%

Common Polyfilla questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Polyfilla 54/100 on Amazon United Kingdom — Worth a look. The niche generates £929K/yr across 29 tracked products. 3 of 4 products launched in the last 360 days are still selling. Search demand moved -14.9% over the last 90 days.
Search demand for Polyfilla on Amazon United Kingdom is steady year-round — the busiest month runs 1.5× the quietest.