10 Best Plinth Heater Central Heating in The UK

Last updated on 24/06/2025

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Best Choice

9.8

Exceptional

Smiths

Smith`s Space Saver SS9 Central Heating Kitchen Plinth Heater

Why We Love It

Highly efficient space saving.
Five year parts warranty.
Easy to install, use.

Main Highlights

EFFICIENCY - Highly efficient fan convector radiator for central heating systems - saves space and up to 24% more efficient than panel radiators
TECHICAL INFORMATION Room size guide: 49m3. Heat output: Normal - 2.2kW (7500 BTU); Boost - 2.4kW (8200 BTU)
GUARANTEE - UK manufactured, 5 year parts and labour warranty
WHATS INCLUDED - Flexible hoses included. 22mm flow and return connections, 2.0m mains cable
CHOICE - Supplied with Brushed Steel grille - 6 other overlay grilles available (in Brown, Chrome, White, Gold, Black, Aluminium)
EASY TO INSTALL - The plinth heater is very easy to install and use. There is no need to switch the unit on and off manually. If you need more heat, you can swtich the fan to boost mode to push more heat into the room. There’s also a manual override switch to disable the fan if you don’t require it.

Smith`s Space Saver SS5 Central Heating Kitchen Plinth Heater

Why We Love It

Efficiency saves cost and space.
Quiet system with powerful output.
Secure with 5-year warranty.

Main Highlights

EFFICIENCY- The great thing about these heaters is that they work off your central heating system so are a very cost effective way to heat your room. They saves space and up to 24% more efficient than panel radiators.
TECHNICAL INFORMATION - Room size guide: 29m3. Heat output: Normal - 1.3kW (4400 BTU); Boost - 1.7kW (5800 BTU). This quiet system (43 dBA on boost) produces a similar sound to your fridge and other common kitchen appliances.
GUARANTEE - UK manufactured, 5 year parts and labour warranty.
WHATS INCLUDED - Flexible hoses included. 15mm flow and return connections, 2.0m mains cable.
CHOICE - Supplied with Brushed Steel grille - 6 other overlay grilles available (in Brown, Chrome, White, Gold, Black, Aluminium).
EASY TO INSTALL - The plinth heater is very easy to install and use. There is no need to switch the unit on and off manually. If you need more heat, you can swtich the fan to boost mode to push more heat into the room. There’s also a manual override switch to disable the fan if you don’t require it.

Smith`s Space Saver SS7 Central Heating Kitchen Plinth Heater

Why We Love It

Up to 24% more efficient.
Supplied with brushed steel grille.
Made in the UK.

Main Highlights

Highly efficient fan convector radiator for central heating sytems - saves space and up to 24% more efficient than panel radiators
Room size guide: 36m3. Heat output: Normal - 1.6kW (5500 BTU); Boost - 1.9kW (65800 BTU)
UK manufactured, 5 year parts and labour warranty
Flexible hoses included. 15mm flow and return connections, 2.0m mains cable
Supplied with Brushed Steel grille - 6 other overlay grilles available (in Brown, Chrome, White, Gold, Black, Aluminium)

Thermix KPH-2400 Wireless (Pat Pending) - Kitchen plinth heater - Central Heating - Hydronic - 2.4kW (White)

Why We Love It

Excellent wireless thermostat control.
High power heat output.
Versatile connection sizes.

Main Highlights

Thermostatically controlled heater with wireless thermostat
Power supply 230V-50Hz via 3A fused spur 
Heat output of 1820 watts @ Normal speed and 2105 watts @ Boost speed
Max. Operating pressure : 6bar 
Pipe connection size: 15mm

Smith`s Space Saver SS5 Dual Fuel Kitchen Plinth Heater

Why We Love It

Highly efficient and space-saving.
Versatile dual fuel options.
Easy to install.

Main Highlights

EFFICIENCY - Highly efficient dual fuel fan convector radiator for electric only or central heating sytems - saves space and up to 24% more efficient than panel radiators.
TECHNICAL INFORMATION - Room size guide: 29m3. Heat output: Hydronic Normal - 1.3kW (4400 BTU); Hydronic Boost - 1.7kW (5800 BTU); Electric Only - 1.0kW (3450 BTU)
GUARANTEE - UK manufactured, 5 year parts and labour warranty.UK manufactured, 5 year parts and labour warranty.
WHATS INCLUDED - Flexible hoses included. 15mm flow and return connections, 2.0m mains cable.
CHOICE - Supplied with Brushed Steel grille - 6 other overlay grilles available (in Brown, Chrome, White, Gold, Black, Aluminium)
EASY TO INSTALL - The plinth heater is very easy to install and use. There is no need to switch the unit on and off manually. If you need more heat, you can swtich the fan to boost mode to push more heat into the room. There’s also a manual override switch to disable the fan if you don’t require it.

KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (Silver)

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Why We Love It

High power output with options.
Easy electrical connection setup.
Sustains maximum operating pressure.

Main Highlights

Power supply 230V-50Hz       Pipe connection size: 15mm 
Electrical Connection via 3A fused spur
Heat output of 1260 watts @ Normal speed and 1450 watts @ Boost speed. (Based on entering water temperature of 70°C)
Max. Operating pressure : 6bar
Pipe connection size: 15mm

Thermix KPH-1800 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.8Kw (Silver)

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Why We Love It

High wattage for efficient heating.
Incorporates a secure electrical connection.
Supports a maximum operating pressure.

Main Highlights

Power supply 230V-50Hz
Electrical Connection via 3A fused spur 
Heat output of 1505 watts @ Normal speed and 1702 watts @ Boost speed.
Max. Operating pressure : 6bar 
Pipe connection size: 15mm

KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (Black)

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Why We Love It

Sleek and modern design.
Efficient central heating.
Compact and space-saving.

Main Highlights

KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW Black
Product tpe: SPACE HEATER
Brand: Thermix
Color: White

Thermix KPH-1500 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.5Kw (Anthracite))

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Why We Love It

Optimal use of kitchen space.
Suitable for large room heating.
Quality assured British craftsmanship.

Main Highlights

Kitchen plinth heater + Anthracite grill for use with central heating systems (1.26kW - 1.45kW).
Fits under a 500mm wide kitchen cabinet
Room Size Guide suitable for up to 27mtr3
British Made Product

Smiths Hydronic Plinth Heater Space Saver 5 in Stainless Steel Effect

Why We Love It

Low noise for quiet operation.
Efficient energy consumption.
Suits large room sizes.

Main Highlights

Max Room Size 37m³
Decibel Level 27-43dB
Energy Consumption 21-30W
Power Supply 3A
15mm Plumbing Connection

8.8

Excellent

We scanned 1587 products

We reviewed these offers relevant to the Plinth Heater Central Heating 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 Smiths, Smith's, Thermix, SS5, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Plinth Heater Central Heating in the market, we considered we took a deep dive into 7936 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 Smith`s Space Saver SS9 Central Heating Kitchen Plinth Heater. We love many things about this product by Smiths. What sets it apart from the competition is Highly efficient space saving. , Five year parts warranty, Easy to install, use.
The best value product for most shoppers and where user satisfaction is continuously the highest is Smith`s Space Saver SS5 Central Heating Kitchen Plinth Heater by Smiths based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Plinth Heater Central Heating and the best cost-to-value ratio is Smiths Hydronic Plinth Heater Space Saver 5 in Stainless Steel Effectat Smith's with a % discount.
Our list of the best Plinth Heater Central Heating 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.

10 Best Plinth Heater Central Heating in The UK

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KPH-2400 Classic - Kitchen Plinth heater - Central Heating - Hydronic - 2.4kW (Silver)

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We scanned 1587 products

We concluded that: