10 Best Dulux Wall Primer Undercoat in The UK

Last updated on 16/07/2025
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Best Choice
1
9.8
Exceptional
Dulux Trade Drywall Primer Sealer 10L
Dulux Trade
Dulux Trade Drywall Primer Sealer 10L
Why We Love It
  • Evens Drywall Porosity Perfectly.
  • Seals Powdery Surfaces Effectively.
  • Promotes High Opacity Finish.
Main Highlights
  • Evens Drywall Porosity
  • Binds & Seals Powdery Surfaces
  • Promotes a Good Finish & High Opacity
  • Coverage: Up to 15m2 per litre
  • Recoatable: 2-4 hours
9.8
Exceptional
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Best Value
2
9.7
Exceptional
Dulux Trade Quick Dry Wood Primer Undercoat 5L
Dulux Trade
Dulux Trade Quick Dry Wood Primer Undercoat 5L
Why We Love It
  • Great for all surfaces.
  • Sticks wonderfully and hides.
  • Highly efficient coverage.
Main Highlights
  • Ideal for use on interior and exterior woodwork, fibre hardboard etc.
  • Excellent adhesion and opacity.
  • Coverage: up to 13m² per litre
9.7
Exceptional
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3
9.6
Superb
DULUX - Dulux Trade Undercoat White 5 Litre - (5091207)
Dulux Trade
DULUX - Dulux Trade Undercoat White 5 Litre - (5091207)
Why We Love It
  • Smooth and even coverage.
  • Quick drying formula.
  • Long-lasting protection.
Main Highlights
  • dulux
  • undercoat
  • dulux undercoat
9.6
Superb
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4
9.5
Superb
Dulux Trade Quick Dry MDF Primer Undercoat 2.5 Litres Tracked Postage
Dulux Trade
Dulux Trade Quick Dry MDF Primer Undercoat 2.5 Litres Tracked Postage
Why We Love It
  • Quick-drying for faster results.
  • Ideal for all surfaces.
  • Low odour, safer use.
Main Highlights
  • This is a quick-drying paint
  • Great for preparing a surface for a fresh coat of paint
  • Good for indoor and outdoor surfaces
  • Low odour when compared to solvent-based primers
  • Comes a 2.5 litres
9.5
Superb
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5
9.4
Superb
Save 9%
Dulux Trade Undercoat Brilliant White 5L
Dulux Trade
Dulux Trade Undercoat Brilliant White 5L
9% Off
Why We Love It
  • High quality, durable finish.
  • Covers up to 17m².
  • Excellent brush mark flow.
Main Highlights
  • For interior and exterior surfaces.
  • High quality, durable, high gloss.
  • Up to 17m² per litre on sealed surfaces.
  • Provides good build and obliteration.
  • Excellent flow out of brush marks.
9.4
Superb
Save 9%
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6
9.4
Superb
Save 6%
Dulux Primer & Undercoat Paint - 2.5L, White
Dulux
Dulux Primer & Undercoat Paint - 2.5L, White
6% Off
Why We Love It
  • Saves time with quick drying.
  • Convenient interior and exterior application.
  • Water-based for easy cleanup.
Main Highlights
  • Simple and easy surface preparation
  • Quick drying
  • Water based
  • Suitable for interior or exterior wood, metal and masonry surfaces
9.4
Superb
Save 6%
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7
9.3
Superb
Leyland Trade Multi-Surface Primer Undercoat - Brilliant White - 5L
Leyland
Leyland Trade Multi-Surface Primer Undercoat - Brilliant White - 5L
Free Shipping
Why We Love It
  • Versatile for various surfaces.
  • Ideal for interior and exterior.
  • Excellent adhesion on multiple materials.
Main Highlights
  • Our Multi-Surface Primer Undercoat is suitable for a range of interior and exterior surfaces.
  • Can be used on many different interior and exterior surfaces including; walls, wood, masonry, metal, plaster, wallboard, concrete, cement rendering, brickwork and blockwork, galvanised steel, tile and kitchen cupboards (melamine).
9.3
Superb
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8
9.2
Superb
Save 9%
Leyland Trade Acrylic Primer Undercoat - White 5L
Leyland
Leyland Trade Acrylic Primer Undercoat - White 5L
9% Off
Why We Love It
  • Quick drying, low odour product.
  • Ideal for diverse surfaces.
  • Water-based, general purpose undercoat.
Main Highlights
  • Quick drying With low odour
  • Suitable for bare timber surfaces, MDF, plaster, drywall and render
  • General purpose, water-based undercoat
  • Package Weight: 7.21 kilograms
9.2
Superb
Save 9%
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9
9.1
Superb
Save 4%
Dulux Weathershield Quick Dry Multi Surface Paint, Satin Black Wood and Metal (No Primer/Undercoat Required), 750 ml for UPVC
Dulux
Dulux Weathershield Quick Dry Multi Surface Paint, Satin Black Wood and Metal (No Primer/Undercoat Required), 750 ml for UPVC
4% Off
Why We Love It
  • Long lasting protection assured.
  • Resists mould effectively.
  • Superior flexible paint film.
Main Highlights
  • Long lasting protection
  • Mould resistant
  • Flexible paint film
  • Water based
9.1
Superb
Save 4%
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10
8.9
Excellent
Dulux Trade Weathershield Quick Drying Exterior Undercoat Pure Brilliant White 2.5 Litre
Dulux Trade
Dulux Trade Weathershield Quick Drying Exterior Undercoat Pure Brilliant White 2.5 Litre
8.9
Excellent
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For interior and exterior surfaces.
AMK® Dulux Primer And Undercoat Multi Surface 250ml Water Based Quick Dry Interior Exterior for Wood Metal Tile Melamine uPVC MDF Excellent Adhesion Base Coat Paint Preparation Stain Block
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AMK® Dulux Primer And Undercoat Multi Surface 250ml Water Based Quick Dry Interior Exterior for Wood Metal Tile Melamine uPVC MDF Excellent Adhesion Base Coat Paint Preparation Stain Block

EXCEPTIONAL MULTI SURFACE ADHESION: Advanced formulation delivers outstanding grip adhesion challenging interior exterior substrates including bare previously painted wood metal melamine ceramic tiles MDF uPVC more creates reliable stable foundation ensuring subsequent topcoats bond securely prevents peeling flaking essential achieving durable professional finish difficult surfaces simplifying preparation process significantly effectively reliably prepared surfaces suitable wide range paints.
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RUSTINS WHPU500 500ml Quick Dry Primer Undercoat - White
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AMK® Dulux Primer and Undercoat for Wood 250ml Water Based Quick Dry Interior Exterior Paint Preparation Base Coat Smooth Finish Improved Adhesion Topcoat Ready 2 in 1 Sealer Stain Block
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AMK® Dulux Primer and Undercoat for Wood 250ml Water Based Quick Dry Interior Exterior Paint Preparation Base Coat Smooth Finish Improved Adhesion Topcoat Ready 2 in 1 Sealer Stain Block

COMBINED PRIMER UNDERCOAT: Streamline your decorating projects this convenient 2 in 1 formulation acts both effective primer sealer provides solid undercoat foundation single application saves significant time effort eliminates need purchase apply separate products perfect preparing interior exterior bare previously painted wood surfaces quickly efficiently ensures excellent base topcoat adhesion.
AMK® Ronseal One Coat All Surface Primer Undercoat 250ml Water Based Quick Dry Stain Block Interior Exterior Wood Metal Tile Melamine uPVC MDF Plaster Excellent Adhesion Base Paint Prep
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AMK® Ronseal One Coat All Surface Primer Undercoat 250ml Water Based Quick Dry Stain Block Interior Exterior Wood Metal Tile Melamine uPVC MDF Plaster Excellent Adhesion Base Paint Prep

SINGLE COAT PRIMER UNDERCOAT SYSTEM: Advanced formula engineered combine crucial priming sealing properties robust undercoat single efficient application saves considerable time laborious effort compared traditional separate stage preparation streamlines decorating projects preparing diverse surfaces quickly provides excellent adhesion solid smooth foundation accepts most topcoats readily ideal fast track painting renovations simplifying workflow significantly conveniently effectively completing prep stage faster.
Dulux Professional Undercoat 1.25L Brilliant White
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We scanned 1437 products

We reviewed these offers relevant to the Dulux Wall Primer Undercoat within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Dulux Trade, Dulux, Leyland, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Dulux Wall Primer Undercoat in the market, we considered we took a deep dive into 7186 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is Dulux Trade Drywall Primer Sealer 10L. We love many things about this product by Dulux Trade. What sets it apart from the competition is Evens Drywall Porosity Perfectly, Seals Powdery Surfaces Effectively, Promotes High Opacity Finish.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is Dulux Trade Quick Dry Wood Primer Undercoat 5L by Dulux Trade based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for Dulux Wall Primer Undercoat and the best cost-to-value ratio is Leyland Trade Acrylic Primer Undercoat - White 5Lat Leyland with a 9% discount.
  • Our list of the best Dulux Wall Primer Undercoat is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.