Cast Iron Radiators

Why Cast Iron Radiators Are a Popular Choice in the UK

Cast iron radiators have been a popular choice among UK households for generations, and it's easy to see why. Radiators made of cast iron are not only timeless in terms of design, but they are built to last and have the exceptional ability to retain heat.

As a result of that, they are often found in period properties, traditional homes, and, as of recent, in modern interior spaces where character and long-lasting warmth are a priority. Some other reasons why cast iron radiators remain a popular choice to this day include:

• They provide a consistent and even heat output
• They are available in a wide range of sizes, orientations, and finishes
• They are compatible with modern heating systems
• Their long lifespan makes them a worthwhile investment

Explore the Most Popular Cast Iron Radiator Sizes

To suit different room layouts, personal preferences, and heating requirements, cast iron radiators are available in a range of sizes. Some of the most commonly preferred sizes for cast iron radiators in the UK include:

• For horizontal models: 660mm x 760mm, 760mm x 1020mm, and 760mm x 1260mm
• For vertical models: 760mm x 380mm, 760mm x 600mm, and 954mm x 380mm

In addition to the horizontal and vertical dimensions mentioned above, the cast iron radiators we carry are also available in many other height and width combinations, so don't worry if you didn't see a size option that would be suitable for you.

Key Factors to Consider When Buying a Cast Iron Radiator

When shopping for the perfect cast iron radiator, there are a couple of factors that you need to consider, which will help you choose a model that perfectly suits both your heating requirements and the style of your space. They include:

Heat output (BTU rating)

One of the most important factors you need to consider when choosing a cast iron radiator is how much heat it can produce, as this will directly determine whether it can effectively warm your space. So, when browsing through your options, choose a radiator with a BTU rating that matches the BTU requirements of your room.

Size & orientation

To suit different room layouts and design preferences, cast iron radiators are available in a wide range of sizes and orientations. So, carefully consider your available wall or floor space, ceiling height (if you want to opt for a vertical radiator), and the position of windows, doors, and furniture before settling on a particular model.

Construction quality

The build quality of your cast iron radiator will have a direct impact on how durable it is, how well it can retain heat, and how long it will last. So, when buying a radiator made of cast iron, look for solid, well-cast sections with consistent thickness and a smooth overall appearance.

Installation requirements

Cast iron is a heavy material by nature, which makes cast iron radiators more demanding and trickier to install. This is especially true for designer radiators, which often feature larger dimensions, deeper profiles, or bespoke designs that add to their overall weight.

Whatever the case might be, whether you plan on mounting your radiator to the wall or want to have it installed on the floor, adequate structural support is essential. So, carefully consider the radiator's installation requirements to see if it's compatible with the structure of your space and your current heating setup before buying.

Cast Iron vs Stainless Steel Radiators: Which Radiator Material is Best?

Despite both types of radiators serving the same purpose, cast iron and stainless steel radiators differ quite significantly in terms of performance, installation requirements, and visual appeal. To help you choose the right radiator material for your home, consider the following scenarios where one option may be more suitable than the other:

Choose a cast iron radiator if:

• You want the radiator to emit heat long after the system has been switched off
• You use the room for extended periods of time throughout the day
• Durability and long lifespan are key priorities
• A traditional or period-style aesthetic is important for you

Choose a stainless steel radiator if:

• You prefer a radiator that can heat up faster
• You're looking for a radiator for your bathroom or kitchen
• You prefer a modern and minimalist style
• Your wall or floor space can't support a heavy cast iron radiator

Measurement Tips & Installation Guidance

To help you measure and install your cast iron radiator correctly, here are a couple of measurement and installation tips to follow:

Measurement tips

• Measure the wall width and height accurately to ensure the radiator fits comfortably
• Check the radiator's depth clearance to avoid obstruction of walkways or furniture
• Allow plenty of space for the valves and pipework on either side of the radiator
• Confirm pipe centre measurements to minimise the need for pipe adjustments
• Account for skirting boards and wall fixtures that may affect positioning

Installation tips

• Check the wall strength or floor support before mounting the radiator
• Use fixings and brackets that are specifically designed for cast iron radiators
• Level the radiator carefully to ensure proper heat distribution
• Bleed and pressure-test the system once the installation has been completed

If you don't think you are capable of measuring and installing your cast iron radiator by yourself, look for a professional installer from your local area who can handle the whole job for you.

How to Maintain and Care for a Cast Iron Radiator

While cast iron radiators have been built to last, regular care will play an important role in maintaining their performance and timeless appearance. To help you prolong the life of your cast iron radiator and preserve its period aesthetic, here are a couple of simple steps you can follow as part of your routine maintenance:

• Clean the surface regularly to prevent dust and dirt from building up
• Bleed the radiator when needed to remove trapped air
• Inspect for signs of rust and address any areas early to prevent corrosion
• Check the valves and connections often for leaks or stiffness
• Maintain correct system pressure to get consistent heating performance
• Use a corrosion inhibitor to protect the radiator and pipework over the long term

Why Buy Your Cast Iron Radiator From Heat and Plumb?

At Heat and Plumb, we carry a selection of premium cast iron radiators from some of the industry's most reputable and trusted manufacturers, including Prestige and Paladin. Every cast iron radiator you'll come across on this page is fairly priced and comes with a long guarantee from the manufacturer.

In addition to all of the above, other reasons why you should buy your cast iron radiator from Heat and Plumb include:

• We will ship your radiator directly to your doorstep, completely for free
• We deliver to 98% of addresses across the United Kingdom
• We have over 25,000 positive customer reviews across Trustpilot and Google
• We have an exceptional, 5-star customer service team