joint compound
Skip itSoft demand (-25.9% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great10.8%search→purchase rate — share of searches ending in a sale
Price range
Good£2.95–£44.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good£13.16avg listing price — sweet spot $15–$100
Review moat
Okay2,108.11avg incumbent reviews — the moat a new listing must climb
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Market size
Bad£67K£67K/yr · 47K searches
Brand share
Bad94%top-5 brand share — brand-locked demand
Growth
Bad-25.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, joint compound is a £67K/yr Amazon United Kingdom market (47K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 45/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
joint compound market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- £53K–£66K
- units × avg price
- Conversion rate
- 10.8%
- Avg BSR
- #225
- Page quality
- 0%
- Prime
- 74%
- Sponsored
- 26%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 171 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
78
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
3%
- Ronseal52%
- Bartoline14%
- Polycell14%
- POLYCELL9%
- GORILLA5%
- Toupret3%
- Open — no brand owns it (2 brands, 3%)
Demand
Weekly Amazon search volume, last 38 weeks — -25.9% search growth over the last 90 days.Top joint compound search terms
- joint compound12K/yr
- ronseal smooth finish filler5K/yr
- ronseal filler4K/yr
- polycell smoothover8K/yr
- polyfilla smoothover5K/yr
- joint compound for walls4K/yr
- drywall mud3K/yr
- joint filler3K/yr
- drywall joint compound3K/yr
Top joint compound 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.
All 19 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 Plaster Skim and Repair 2.5 L
Bartoline£8.424.4★653 rev
Ronseal Smooth Finish Filler Multi-Purpose Ready Mixed 1.8kg white
Ronseal£7.334.4★4,140 rev
Polycell SmoothOver for Damaged and Textured Walls 5L
Polycell£37.993.9★337 rev
Polycell Finishing Skim Polyfilla 2.5 Ltr
POLYCELL£14.054.4★141 rev
Newest
by launch date
FERNOX Hawk White Jointing Compound 200gm
AIGHER£8.704 rev
Wall Filler 600g All Purpose Wall Repair Kit with Filling Tool and Sanding Block Crack and Hole Filler for Plaster Wood Brick and Masonry Easy Smooth Finish DIY Decorating
Epished£10.908 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£8.96326 rev
Toupret Joint Skim & Fill Quick Dry - Crack Resistant Easy Sand Paintable Wall & Ceiling Filler - 10kg
Toupret£22.34111 rev
Bartoline Ready Mixed Plaster Skim and Repair 2.5 L
Bartoline£8.42653 rev
Trending
90-day click momentum
Bartoline Patching Plaster 1.5kg All-Purpose Filler for Cracks & Holes Smooth Finish for Walls Ceilings Wood Brick & More
Bartoline£4.124.5★
FERNOX Hawk White Jointing Compound 200gm
AIGHER£8.705.0★
Wall Filler 600g All Purpose Wall Repair Kit with Filling Tool and Sanding Block Crack and Hole Filler for Plaster Wood Brick and Masonry Easy Smooth Finish DIY Decorating
Epished£10.905.0★
Polycell SmoothOver for Damaged and Textured Walls 5L
Polycell£37.993.9★
Ronseal Smooth Finish Multi Purpose Interior Wall Filler Ready Mixed 330g
Ronseal£2.954.4★
What buyers say about joint compound
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“brilliant product, good for practising”
“As advertised”
“Excellent value for money”
“Great finish”
“Surprisingly effective”
“The colour change was really handy so i could see what bits were ready”
“The texture is smooth”
“very smooth”
“Its a reliable”
What buyers complain about
“Absolutely rubbish”
“Easy to use - more difficult than I expected”
“Arrived having completely leaked out into the box”
“However after a month or so Ive noticed that the whiteness has started to turn yellow”
“is abit too big for filler”
“Sets as hard as steel”
“Don't believe everything that's advertised”
“A paint scraper won't do it”
“Not worth the price”
“falls on ground”
Top return reasons
Common questions
- Is joint compound profitable to sell on Amazon United Kingdom?
- The niche generates £67K/yr across 19 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -25.9%. Flapen's verdict: Skip it (45/100).
- How competitive is the joint compound niche?
- 8 brands and 78 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in joint compound?
- Top complaints mined from reviews: Quality-Overall, Ease Of Use, Leak-Proof. The return rate is 0.4%.
- What does it cost to enter the joint compound niche?
- Listings span £2.95–£44.88; the average listing price is £13.16 (sweet spot $15–$100). The average incumbent carries 2,108 reviews — the moat a new listing must climb.