Updated: 04 Apr 2026

10 Best radiator paints of 2026

Explore up to 10% Off

Updated: 04 Apr 2026

#1

Best Choice

Rust-Oleum Cream Heat Resistant Radiator Paint in Matt Finish - Clotted Cream 750ml

9.6

Rust-Oleum

Read more

Main highlights

With a heat resistant formula, withstanding temperatures of up to 60C, this low odour, water-based radiator paint is durable against everyday scuffs and scratches

Easy to apply by brush or roller, give your horizontal, vertical and column radiators an instant refresh with long-lasting coverage that’s non yellowing and resistant to mould * *This product contains a biocide to protect the dried ﬁlm from fungal & algal degradation. Once dried the paint ﬁlm is classed as a treated article & contains the surface biocide 2-octyl-2H-isothiazol-3-one 0.06%, Diuron 0.15% & Zinc Pyrithione 0.06% by weight.

Are your interiors looking a little lukewarm? Turn up the heat with Rust-Oleum Radiator Paint for a beautifully smooth matt finish that’s highly concentrated for exceptional colour
#2

Best Value

Rust-Oleum Specialty High Heat Brush On Black 946ml – Up to 538°C Heat Resistance, Colour and Finish Retention for BBQs, Stoves, Radiators – Indoor/Outdoor, Rust Protection, Durable Satin Finish, Quick Drying.

9.5

Rust-Oleum

Read more

Main highlights

Indoor and Outdoor Versatility: Whether sprucing up an indoor radiator or giving your outdoor barbecue grill a new lease on life, this paint offers robust, corrosion-resistant coverage that stands up to the elements, making it perfect for any setting.

High-Temperature Durability: Rust-Oleum Specialty High Heat Brush On is specially formulated to withstand temperatures up to 1000°F (538°C), ensuring your metal surfaces are protected and revitalised even under extreme heat.

Convenient Drying Times: With a touch-dry window of 2-4 hours and a complete dry time of 24 hours, this brush-on paint allows for a manageable application process, letting you quickly move on to enjoying your refreshed, heat-resistant metal items.
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3

Interior Metal Protection and Radiator Paint Pure White 0.5 L

9.4

Hammerite

Read more

Main highlights

Non-yellowing

Heat-resistant up to 80°C

For radiators and heating pipes
#4

Rustins - Quick Dry Radiator Enamel Paint Satin White 250ml

9.1

Rustins

Read more

Main highlights

Radiator & Heat Paint & Sprays
#5

Rustins Radiator Enamel Gloss Black 250ml Quick Dry Heavy Duty Long Lasting Radiator Finish

8.8

Rustins

Read more

Main highlights

HEAT RESISTANT AND DURABLE: this enamel paint is designed to meet the requirements of radiators, providing heat resistance as well as longevity and ensuring a long lasting radiance

Fast transformation of radiators: Rustins quick drying enamel paint transforms your radiator with a quick-drying formula and gives it a fresh white finish in no time at all

EFFORTLESS APPLICATION; ADD TO CART NOW: the easy to use formula allows for hassle-free application, making radiator refreshment a quick and satisfying craft project; ADD TO CART NOW for instant radiance
#6

Rust-Oleum Specialty High Heat Spray Bar-B-Que Black 340g – Withstands Up to 648ºC, Superior Colour Retention, Rust Defence for BBQs, Wood Stoves, Radiators, Engines – Indoor/Outdoor Use, Durable Satin Finish, Corrosion-Proof, Quick Dry

8.5

Rust-Oleum

Read more

Main highlights

Rust Protection: Not only does it endure high heat, but it also offers robust protection against rust, ensuring your metal items remain in pristine condition even in harsh weather conditions or when exposed to high temperatures.

Quick Drying: With a touch-dry time of only 30 minutes and a full cure within 1 hour, this spray paint allows for a swift and efficient application process, minimising downtime and enabling you to get back to using your metal items sooner.

Exceptional Heat Resistance: Rust-Oleum Specialty High Heat Spray is engineered to withstand extreme temperatures up to 1200ºF (648ºC), perfect for protecting and renewing grills, stoves, radiators, and more, ensuring your metal surfaces look great and last longer.
#7

Rust-Oleum Specialty High Heat Spray Bar-B-Que Black 340g – Withstands Up to 648ºC, Superior Colour Retention, Rust Defence for BBQs, Wood Stoves, Radiators, Engines – Indoor/Outdoor Use, Durable Satin Finish, Corrosion-Proof, Quick Dry

8.2

Rust-Oleum

-10%

Read more

Main highlights

Rust Protection: Not only does it endure high heat, but it also offers robust protection against rust, ensuring your metal items remain in pristine condition even in harsh weather conditions or when exposed to high temperatures.

Quick Drying: With a touch-dry time of only 30 minutes and a full cure within 1 hour, this spray paint allows for a swift and efficient application process, minimising downtime and enabling you to get back to using your metal items sooner.

Exceptional Heat Resistance: Rust-Oleum Specialty High Heat Spray is engineered to withstand extreme temperatures up to 1200ºF (648ºC), perfect for protecting and renewing grills, stoves, radiators, and more, ensuring your metal surfaces look great and last longer.

-10%
#8

Johnstone's Speciality Gloss Paint for Radiators - Brilliant White 250ml

8.1

Johnstone's

Read more

Main highlights

Suitable for use on hot water pipes

Quick drying

Non-yellowing
#9

Paintsmiths Home Touch Up Paint - Multi Surface Paint for Metals, Radiators, Wood & uPVC - Gloss Finish - Brush for Easy Application - Quick Drying - High Opacity for Scuffs & Scratches (Grey)

8.0

Paintsmiths

Read more

Main highlights

VERSATILE GLOSS FINISH: Our formula is quick drying and designed to blend effortlessly with your existing paint, ensuring that repairs are virtually invisible. Fix scratches or chips on radiators, sinks, tiles, appliances and more, instantly.

FLAWLESS REPAIRS: Achieve flawless repairs in seconds with Paintsmiths Home Touch-Up Paint. This simple, all-in-one solution makes it easy to cover stains, cracks, and scratches without any extra tools or professional help.

EFFORTLESS APPLICATION: Our innovative design features a convenient built-in brush directly in the bottle cap, eliminating the need for separate brushes, messy tins, or time-consuming cleanup. This makes touch-ups quick, easy, and hassle-free. Simply unscrew the cap, apply the paint directly to the affected area, and you're done.
#10

Rustins - Quick Dry Radiator Enamel Paint Gloss White 250ml

7.7

Rustins

Read more

Main highlights

Radiator & Heat Paint & Sprays