Valves

Popular cast iron radiator styles

Cast iron radiators play a defining role in how a space looks and feels, not just how it heats. The Paladin range splits broadly into three style groups, each suited to a different type of home.

Traditional cast iron radiators are the cornerstone of the range. Models like the Neo Georgian, offer clean column profiles with the classic proportions associated with Victorian and Edwardian homes. These traditional cast iron radiators sit well in period terraces, Georgian townhouses, new builds designed with heritage cues, and properties where the radiator needs to feel authentic without being overly decorative.

Ornate and Victorian cast iron radiators are our most decorative models. The Oxford and Piccadilly carry deep floral and geometric patterns with crisp casting detail throughout, making them well suited to formal living rooms, hallways and dining rooms in Victorian or Edwardian properties. The Kensington sits in similar territory with a slightly softer profile. If you're restoring original features or specifying for a listed building, these are the Victorian cast iron radiators most often chosen by interior designers and heritage architects.

Modern cast iron radiators bring the material into contemporary homes with simpler castings and cleaner lines. The Bartholomew and Sloane work particularly well in modern extensions, commercial interiors and open-plan spaces where the radiator needs to feel considered rather than ornate. Paired with polished or metallic finishes, these modern cast iron radiators let the material itself do the work without period detailing.

Column configuration shapes both visual presence and heating performance. A 2-column cast iron radiator provides a slimmer profile for tighter spaces or under windows. 3-column and 4-column cast iron radiators offer greater depth and higher heat output for medium to large rooms. 6-column and tall cast iron radiators are specified for high-ceilinged rooms and spaces needing maximum output from limited wall length. The compact Churchill (141 watts / 480 BTUs per section) suits low bay windows, conservatories and loft conversions where vertical space is limited.

For a fuller overview of each model, see our top 10 cast iron radiator models guide.

Types of cast iron radiators explained

Wet system (central heating) cast iron radiators are the standard Paladin installation. They connect to your boiler through existing or new pipework and are built to the exact section count the room requires. This suits whole-home heating in properties with functional pipework. The sectional construction allows precise sizing across room types, from compact bedrooms and hallways through to larger, open-plan living spaces. They work with combi boilers, system boilers and conventional setups with no special requirements beyond correct sizing and appropriate valves.

Electric cast iron radiators offer a practical alternative where central heating is unavailable or independent control is needed. Rather than circulating hot water, they use an integrated 240V heating element with thermostat and frost protection built in. This makes them well suited to loft conversions, garden rooms, bathrooms, outbuildings and listed buildings where extending pipework would damage historic fabric. They also allow room-by-room temperature control without any modification to existing pipework. Read our full guide to how electric cast iron radiators work.

Cast iron radiators for heat pumps are increasingly specified as the UK transitions away from gas boilers. Air source and ground source heat pumps run at lower flow temperatures (typically 40–55°C) than gas boilers (65–75°C), which means radiators need to transfer more heat at lower water temperatures. Cast iron's high thermal mass, large internal water volume and large surface area make this transfer efficient and consistent, and the slower heat cycles of a heat pump match cast iron's natural heating characteristics. For heat-pump installations, cast iron radiators typically need to be sized larger than the equivalent steel panel: often 1–2 additional sections per radiator. Our team can specify correct sizing based on your heat loss calculations and planned flow temperature. Read more about cast iron radiator efficiency and green heating.

Across all configurations, the core principle is the same: precise, long-lasting heat delivered through solid cast iron construction, built to suit the space and the specification.

How much do cast iron radiators cost?

Paladin cast iron radiators are built to order, so final cast iron radiators price depends on your chosen design, column count, section count, finish and valves. The table below gives typical starting prices across our range (inc. VAT).

Prices are before painting

For an exact quote, use our radiator configurator and we'll reply within 24 hours.

Cast iron radiators cost more upfront than steel panel radiators, but the total cost of ownership is lower over the life of the installation. Steel panel radiators typically have a shorter lifespan than cast iron; a Paladin cast iron radiator is built to last 50 years or more. Factor in reduced boiler cycling thanks to cast iron's heat retention, and the running costs are competitive with any modern radiator type.

Complete your cast iron radiator installation

Every Paladin cast iron radiator ships with wall stays and is designed to work with our full range of cast iron radiator valves and accessories: including thermostatic radiator valves, manual valves, bush ends and pipe shrouds in matching finishes.

For installation guidance, see our installation guide or read how to safely carry and install cast iron radiators. Heating engineers working on cast iron installations can access dedicated technical resources on our heating engineers page. For larger multi-room projects, use our project builder to spec out multiple radiators efficiently.