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Northern Olympic Cast Iron Plates (1.25kg - 25kg)

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Weight: 2 x 1.25kg (2.5kg) (Selected)

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Forge Old-School Strength with Northern Olympic Cast Iron Weight Plates

Built for lifters, old school premium Olympic weight plates.

Northern Olympic Cast Iron Plates are real, raw iron weight plates designed for your weightlifting and home gym strength training. Engineered to handle the intense use of heavy deadlifts, deep squats, and intense overhead presses. These weight plates are designed to help you to build strong muscles and reach your power lifting goals.

Classic Weight Plates for Home Gym Strength Training

These cast iron weight plates bring a timeless look to your weightlifting station. Made from commercial-grade cast iron with a black powder-coating finish for extra protection against rust. Whether you're strength training, powerbuilding, or weightlifting, these weight plates are built to withstand years of serious lifting.

Load More and Lift for Progressive Strength Gains

Available in a variety of weight increments, Northern Olympic Cast Iron Plates make progressive overload effortless as your strength improves. These plates let you stack way more iron onto the barbell. That means more room on the bar, heavier barbell setups, and heavy compound lifts for advanced strength programs. Perfect for heavy lifts such as squats and deadlifts.

Fits Standard 2-inch (50mm) Olympic Barbell

Each cast iron plate has a precision-machined centre hole of 2 inches (50mm), allowing for effortless loading and unloading onto any standard Olympic bar or any weight machine with a 2-inch sleeve. To ensure a secure and stable lock during your heaviest deadlifts, squats, and overhead presses, lock it with a bar collar.

Clear Markings for Efficient Training

Each weight plate has bold and easy-to-read weight markings, allowing easy identification of the right load for your sets. Also ensures that your fluid transitions between warm-ups, drop-sets, and max-efforts. Maximise your training time and keep your heart rate up with Northern Cast Iron plates. No incorrect loading, just full effort on the lifts and gains.

Versatile Weight Sets for Progressive Overload

Available as individual pairs or in weight bundles :

37.5kg Weight Plate Set: Includes pairs of 1.25kg, 2.5kg, 5kg, and 10kg plates (Ideal for technique and micro-loading)
60kg Weight Plate Set: Includes pairs of 5kg, 10kg, and 15kg plates.
100kg Weight Plate Set: Includes pairs of 5kg, 10kg, 15kg, and 20kg plates.
150kg Weight Plate Set: Includes pairs of 5kg, 10kg, 15kg, 20kg, and 25kg plates (Perfect for heavy-lifting).

Key Features & Benefits

2-inch (50 mm) centre hole

Fit seamlessly onto any standard Olympic barbell sleeve or weight machine. No loose rattling, just smooth loading and secure lifts.

Solid Cast Iron Construction

Made from high-grade molten iron into a single, indestructible iron plate. These weight plates are built to absorb the absolute intensity of heavy powerlifting and old-school bodybuilding.

Compact & Thin Profile

The compact and thin profile lets you load more weight plates into the barbell sleeve, perfect for your home strength training like heavy deadlifts, deep squats, and advanced progressive overload.

Powder Coated Finish

Chip-resistant black powder coating that protects the iron below from moisture and oxidation. Also provides a professional aesthetic design while providing a secure grip when moving weights around the gym or loading up on your next heavy set.

Clear Weight Markings

Instantly grab and load the correct weight load that you need to keep your transitions tight, rest periods precise, and keep your training momentum high. With the easy-to-see weight marks, it ensures you waste a second finding the right plate mid-circuit, letting you focus 100% of your energy on the next heavy lift.

Ideal For:

Perfect for classic strength and weightlifting workouts, including deadlifts, bench presses, squats, and overhead rows.
Designed for compact home gyms, garage gym setups, personal training studios, and commercial fitness studios.
Ideal for lifters to make incremental strength jumps for effective and precision progresssive overload.
High-intensity circuits and full-body strength programs to spike your metabolic rate, lose body fat, and gain muscle.
Suitable for 2-inch Standard Olympic bars and weight machines with 2 inches sleeve.
You can also use these weight plates for plate-only exercises as a substitute for dumbbells or kettlebells.

Shipping & Returns Standard Delivery starts at just £3.99

Dimensions Size guide for product

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Got Questions? We’ve Got Answers

If you can’t find the answer you’re looking for, please contact our dedicated customer service experts, they’ll be happy to assist and provide the support you need

What is the best cast iron weight plates for a home gym?

Our top-selling Northern Cast Iron Weight Plates are the 10kg, 12.5kg and 15kg weight plates. These weights are perfect for home gym training and weightlifting for beginners and intermediate lifters. These weight plates have a precision 2-inch Olympic centre hole that fits perfectly in Olympic bars. It also has a powder-coated finish, making it resistant to rust and sweat. You can also use it for weight machines to add intensity to your workouts.

What are the main benefits of using traditional cast iron plates?

The biggest benefit of cast iron weight plates is their thinner size, so you can fit more weight plates onto your barbell sleeve. These weight plates are also cost-effective, costing much less than bumper plates.

What are Olympic cast iron plates?

These weight plates are used commonly for Olympic barbells that is used for strength training, weightlifting, and home gyms plate-only workouts. Whether you’re loading the bar for a new personal record or doing some plate lunges, these are built to stay locked-in and help you reach your fitness goals, one rep at a time.

Do cast iron plates rust, and how do I prevent it?

Continuous exposure to moisture and sweat can cause surface rust over time in the cast iron plates. To ensure that they stay rust-free, make sure to follow these steps:

Always wipe them down with a dry cloth after your training specially if you use it for high-sweat and humid gym.

Do not store them outdoors; always make sure to store them indoors on dedicated plate racks, toaster weight racks or multi-purpose racks.

Rub a thin coat of oil, machine oil (diesel oil), or WD‑40 and wipe off excess. Reapply periodically specially if you don't use them very often.

What barbells do these cast iron plates fit?

These Olympic cast iron plates are built for any standard 2-inch (50mm) Olympic bar. They’re designed to sit tight and stay locked-in, so you can focus entirely on the lifts.

Which is better cast iron weight plates or bumper plates?

Cast iron weight plates are much thinner than bumper plates, which means you can load up way more weight when doing your weightlifting and brench press. But if your training involves explosive movements like cleans or snatches or overhead drops, bumper plates are your best mate. Because they’re made of high-density rubber, they’re designed to be dropped from overhead without smashing your floor

Will these cast iron plate weights damage my floor?

The cast iron plates may damage flooring if dropped, so buy a heavy duty rubber mats or gym flooring to use during your lifts. It gives you that rock-solid base to stay locked-in during your lifts without any stress. But if your purpose is overhead drops, choose Olympic bumper plates instead.

What is the difference between cast iron plates and bumper plates?

Cast Iron Plates are made from solid molten iron. They are thin and highly durable, but not applicable for overhead drops, as they will crack the concrete or damage your bar. Bumper plates are made of rubber-coated steel core. They are much thicker but specially designed for safe overhead drops and weightlifting, without the worry of damaging your floors.

What does "Olympic size" in cast iron plates mean?

This means that our cast iron weight plates have a standard 2-inch (50mm) centre hole. It can fit into a standard Olympic-sized barbell, EZ curl bar, or plate-loaded gym machine that has a 2-inch sleeve.

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