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Exterior Filler

Maybe

Returns run at only 0.4% of orders. But products sell for $8.40 on average, outside the sweet spot, so Exterior Filler is a Maybe.

Flapen Score
60
60 / 100
Top 7% of 2,225 DIY & Tools niches · +11 vs the category median of 49
Market size
£110K/yr107K searches / yr
90-day growth
+62.2%search demand this quarter
Competition
53%top-5 click share · 16 brands · 112 sellers

Flapen Score

Exterior Filler against its category

The dotted line is the DIY & Tools average. Past it, Exterior Filler is stronger. Inside it, weaker.

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Exterior Filler market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Exterior Filler 107K times last year and spent an estimated £110K. The top 5 brands take 75% of clicks. Demand peaks in Apr–May–Jul–Aug. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

12.3% of searches ended in a purchase last week.

Shoppers searched for this 107K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 12.3% of those searches ended in a purchase. Searches in the last 90 days moved +62.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £110K a year.

Searches, last 12 months
107K
Growth, 90 days vs prior 90
+62.2%
Conversion, latest week
12.3%
Market size, estimated
£110Ka year
Peak month
May4.0× the quietest month
Top search term
exterior filler16K searches a year

02 · Price

A sale here is worth £8.40.

Listings sell for £8.40 on average, from £3.27 to £22.22. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 250 to 500 of them. At £8.40 that is £2K to £4K a year per listing.

Average price
£8.40under the $15 to $100 sweet spot
Price range
£3.27–£22.22
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
10K–13K
Units per listing a year
250–500
Revenue per listing a year
£2K–£4K
Returns
0.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

57% of listings pay for placement with sponsored ads. 89% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #125 within Building Supplies. It carries 1,736 reviews at 4.33 stars, so a new listing needs social proof before a better product.

Sponsored listings
57%
Prime listings
89%
Out of stock, average day
0.0%
Average rank
#125in Building Supplies
Average rating
4.33 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,736per listing
Listings tracked
28

04 · Newcomers

Amazon counts 1 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 58 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
58 months

Products

Top Exterior Filler products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 53% of clicks. Leaders hold, but buyers still shop past them.

£0£4K£9K£13K£18K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 rising

Sellers

112

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

53%

Top 20: 93%

Open market

20%

  • Toupret24%
  • Ronseal19%
  • Bartoline14%
  • Bostik12%
  • Sika5%
  • Sandtex5%

Demand

Exterior Filler search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jul, Aug · busiest ÷ quietest = 4.0×

Search terms

Top Exterior Filler search terms shoppers use

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

  • exterior filler16K/yr
  • toupret masonry repair filler7K/yr
  • render repair exterior6K/yr
  • exterior masonry filler7K/yr
  • render7K/yr
  • masonry filler exterior6K/yr
  • render repair10K/yr
  • masonry filler5K/yr
  • exterior filler for masonry8K/yr
  • outdoor filler4K/yr

Reviews and returns

What reviews say buyers love and hate about Exterior Filler

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Ease Of Use14%+1.68

Hard to squeeze out

Difficult to use

Not very convenient to hard

Quality-Overall13%−0.07

Good product let down by poor quality control

Poor quality

Absolutely rubbish

Hard Feel10%−0.07

It went off hard by next day

Not very convenient to hard

Very hard,

Leak-Proof8%

Arrived having completely leaked out into the box

spilled out everywhere

It popped off in transport spilling its contents over the other items in the parcel

Color8%

not brilliant white maybe

BUT Very light colour

Not grey as stated on the tub

Love

Ease Of Use23%+1.68

Easy to use

Easy to store

it was very easy to apply

Quality-Overall22%−0.07

Overall, the quality of the product itself emphasizes reliability,

Quality item delivered on time many thanks

Excellent Product

Advertised Vs Actual Product12%+0.55

As Advertised

It does the job

Worked as expected

Value For Money8%+0.28

Excellent value

GOOD VALUE

Worth the money

Efficiency4%+0.43

Works great

Worked very well

It still works fine

Return

0.4% Return rate 16% Fixable by listing

Leak-Proof29%▅█▄▅▅▅

Arrived having completely leaked out into the box

spilled out everywhere

It popped off in transport spilling its contents over the other items in the parcel

Defective Material/Parts14%█▅▆▅▅▅
Functionality-Overall8%▇█▅▇▆█

Not fit for purpose

Small jobs only

Crap, doesn't do anything

Size-Overall7%▃▄▇█▄▅

NOT FITFOR PURPOSE

I suspect the box which was used to transport the container was too small

I must say that even though I saw the size before ordering it was somehow a smaller pot that I expected

Color6%▂▄██▇▅

not brilliant white maybe

BUT Very light colour

Not grey as stated on the tub

FAQ

Common Exterior Filler questions

Answered from the same tracked data.