undercoat paint
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.1%return rate — above 5% kills the launch gate
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Price range
Good£5.99–£25.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£11.49avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad£100K£100K/yr · 100K searches
Review moat
Bad5,687.67avg incumbent reviews — the moat a new listing must climb
Competition
Bad73%top-5 click share — a locked-up shelf
Growth
Bad-13.5%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, undercoat paint is a £100K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
undercoat paint market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- £69K–£92K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #144
- Page quality
- 0%
- Prime
- 87%
- Sponsored
- 67%
- Out of stock
- 4.4%
- Avg brand age
- 59 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
60
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
0%
- Leyland42%
- Johnstone's33%
- RUSTINS13%
- THE ONE6%
- Dulux5%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top undercoat paint search terms
- undercoat paint for wood21K/yr
- undercoat paint23K/yr
- white undercoat paint for wood17K/yr
- undercoat10K/yr
- white undercoat paint9K/yr
- acrylic primer undercoat5K/yr
- white undercoat4K/yr
- undercoat paint for walls6K/yr
- white undercoat paint for walls3K/yr
- oil based undercoat3K/yr
Top undercoat paint 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Johnstones - Quick Dry Gloss Primer Undercoat - Brilliant White - Water Based - Interior Wood & Metal - Fast Drying - Low Odour - Dry in 1-2 Hours - 13m2 Coverage per Litre - 0.75 L
Johnstone's£7.134.6★5,997 rev
Leyland Trade - White - Wood & Metal Undercoat - 20% Extra Free - 3L
Leyland£6.184.8★37 rev
Leyland Trade Acrylic Primer Undercoat - White 2.5L
Leyland£12.884.6★2,797 rev
RUSTINS WHPU500 500ml Quick Dry Primer Undercoat - Fast-Drying Paint Base for Smooth Coverage; Easy-to-Use Interior & Exterior Prep Coat for Walls Woodwork & DIY Home Decorating
RUSTINS£9.124.5★4,760 rev
THE ONE All-In-One Paint & Primer - White Matt 250 ml | Multi-Surface 1 Coat Formula | Easy Indoor & Outdoor Decorating for Home & Garden Walls Floors & Furniture | Durable Water-Based & Low VOC
THE ONE£11.344.4★26,529 rev
Newest
by launch dateLeyland Trade - White - Wood & Metal Undercoat - 20% Extra Free - 3L
Leyland£6.1837 rev
Leyland Trade - Multi-Surface Undercoat - Quick Dry - Brilliant White - 750ml
Leyland£10.6027 rev
Johnstones - Quick Dry Gloss Primer Undercoat - Brilliant White - Water Based - Interior Wood & Metal - Fast Drying - Low Odour - Dry in 1-2 Hours - 13m2 Coverage per Litre - 1.25 L
Johnstone's£10.895,997 rev
Johnstones - Quick Dry Gloss Primer Undercoat - Brilliant White - Water Based - Interior Wood & Metal - Fast Drying - Low Odour - Dry in 1-2 Hours - 13m2 Coverage per Litre - 2.5 L
Johnstone's£16.155,997 rev
Johnstones - Quick Dry Gloss Primer Undercoat - Brilliant White - Water Based - Interior Wood & Metal - Fast Drying - Low Odour - Dry in 1-2 Hours - 13m2 Coverage per Litre - 0.25 L
Johnstone's£7.86105 rev
Trending
90-day click momentumLeyland Trade - White - Wood & Metal Undercoat - 20% Extra Free - 3L
Leyland£6.184.8★
Leyland Trade Acrylic Primer Undercoat - White 5L
Leyland£25.354.5★
THE ONE All-In-One Paint & Primer - White Matt 250 ml | Multi-Surface 1 Coat Formula | Easy Indoor & Outdoor Decorating for Home & Garden Walls Floors & Furniture | Durable Water-Based & Low VOC
THE ONE£11.344.4★
Johnstones - Quick Dry Gloss Primer Undercoat - Brilliant White - Water Based - Interior Wood & Metal - Fast Drying - Low Odour - Dry in 1-2 Hours - 13m2 Coverage per Litre - 2.5 L
Johnstone's£16.154.6★
RUSTINS Small Job Primer & Undercoat White 250ml
RUSTINS£5.994.5★
What buyers say about undercoat paint
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent value and great paint”
“Excellent price”
“Excellent Product”
“Covers well”
“Easy to use”
“As described”
“Good Paint”
“conveniently sized amount 0.75l- perfect for touching up”
“does dry quickly”
“this is so smooth and no drag”
What buyers complain about
“Absolutely rubbish paint”
“Ridiculous small size”
“you get better coverage with Dulux”
“the manufacturing company could be better”
“To thick”
“Misleading”
“it a fraction of the price”
“Returned as this is just primer - my fault for not reading properly”
“gloss would not bind to it”
“This doesnt last long”
Top return reasons
Common questions
- Is undercoat paint profitable to sell on Amazon United Kingdom?
- The niche generates £100K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Skip it (37/100).
- How competitive is the undercoat paint niche?
- 5 brands and 60 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in undercoat paint?
- Top complaints mined from reviews: Paint Quality, Size-Overall, Coverage. The return rate is 1.1%.
- When does demand for undercoat paint peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the undercoat paint niche?
- Listings span £5.99–£25.35; the average listing price is £11.49 (sweet spot $15–$100). The average incumbent carries 5,688 reviews — the moat a new listing must climb.