Transform Your Home with BestHeating - Discover Our Diverse Collection of Aspirational Heating

Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm

Product Code
Credit available from for purchases over £500.00
0% Interest Free Credit options available.
Representative APR (variable) 18.9% APR with an assumed credit limit of £1,200 and a purchase rate of 18.9% p.a.
inc VAT
Free Delivery
Delivery in 2-5 days
Only 3 left
Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm
Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm
Ask the BestHeating Experts!

Create a warm and welcoming environment in your home that you can enjoy with the stylish Stelrad Compact Type 21 double panel plus convector radiator. Boasting a look that is classic but contemporary, the steel radiator offers a high heat output to quickly and efficiently warm your living space and features a white powder coat finish to complement any décor perfectly.

Compact Type 21 Double Panel Plus Convector Radiator Features:

  • 600mm x 900mm x 77mm
  • 5,809 BTUs (1,703 Watts)
  • White powder coat finish
  • 10 year guarantee
  • Tested and Certified BS EN 442 Standards
  • CE Marked
  • Includes Wall fixings, Wall plugs, Blanking and Bleed plug
  • Made in the UK
More Information
Range Stelrad
Style Modern
Colour White
RAL Code 9016
Installation Type Hot Water
Material Steel
Floor to Centre of Tapping (mm) Min. 300
Pipe Centres (mm) 990 (approx.)
Wall to Centre Tapping (mm) 62/73
Volume (litres) 5.94
Inlet Connection 1/2"
Maximum Water Pressure 10 bar
BTU at Delta T30 2128
BTU at Delta T50 4132
BTU at Delta T65 5809
Watts at Delta T30 624
Watts at Delta T50 1211
Watts at Delta T65 1703
Height (mm) 600
Width (mm) 900
Depth (mm) 77
Projection from Wall (mm) 101/112
Weight (kg) 26.8
Certification CE, EN442
Guarantee 10 Years

For unbeatable warmth throughout your home, simply add this stylish and efficient, 600mm x 900mm, Type 21 Double Panel Plus convector radiator by Stelrad to your living space. In next to no time, it will achieve your ideal room temperature, create a cosy atmosphere and look stylish on your wall. It is also surprisingly affordable.

You are able to install this model in rooms of any décor and interior, thanks to its understated, versatile design. It has an integrated top grille, and in keeping with classic convector radiator design, a contoured front panel. It has a white finish which will complement any existing colour scheme you may have.

This radiator has a height of 600mm and a width of 900mm. It is 77mm deep and has a projection from wall of 112mm.

The hourly heat output of this radiator is impressively solid, at over 5800 BTUs. As with any Stelrad radiator, this model, from the Savanna range of radiators, can be relied upon to heat your home to a significant but comfortable level of warmth, whatever the weather.

This radiator is made from mild steel, so you can relax knowing it is durable and resilient. It has a powder coat finish which not only looks flawless and professional, it also protects the panels from superficial damage.

As with all Stelrad radiators, this model is covered by a 10 year guarantee.

Please note: valves are not supplied with this radiator.


By shopping at you can benefit from a quick and efficient delivery service.

Our standard 2-5 working day delivery is free of charge, and is offered to postcodes in England, Wales, Scotland, Northern Ireland, Isle of Wight, Isle of man, Channel Islands, Isles of Scilly, Shetland & Orkney.

We also offer a selection of premium delivery options on UK orders only such as: Named Day, Next Working Day, Saturday and 2-Person Delivery. The lead times, prices and availability of these options are calculated and displayed during the checkout process and are dependent upon the contents of your order and the location of your delivery.

To give us the flexibility to ensure that your delivery reaches you in perfect condition, we use a range of courier services. Deliveries will not be made on bank holidays, so please allow extra time for your order to arrive during these times, especially throughout the Easter and Christmas periods.

For more details please visit our Delivery & Returns page.


At BestHeating we operate a 30 day returns policy, so, if you’re not completely satisfied with your purchase, you can return your order within 30 days of receiving it.

To speak with a member of our customer service team, call 0344 417 2563 – Lines are open Monday to Friday 8.30am-5pm.

Full details of our returns policy can be found here.

How Can I Finance My Order?

In the checkout, select 'Monthly Financing with Klarna' and provide your information to complete the simple online application.

Read the pre-contract document & Klarna Account Agreement and click "sign" to confirm that you wish to apply - you’ll get an instant credit decision.

When approved, Klarna sends you a confirmation email and an account agreement by post.

You’re ready to go - and future orders can be made with just one click!

Heating Credit Calculator

Choose between Interest Free or Classic Credit (9.9% APR) options on any order over £500.

1 Select A Payment Option*  
2 Loan Amount Enter the amount you want to spend (min £500) £
3 Loan Term Choose how long you would like to pay
4 Get your quote

Finance Summary

Total amount to spend:
Amount of Credit:
Typical APR:
Monthly Payment:
Total Amount Payable:
< Edit Quote

* 'Interest' Free and 9.9% are promotional rates, if a payment is missed the account will revert to the following. Purchase rate 18.9% p.a. (variable). Representative 18.9% APR (variable). Assumed Credit Limit £1,200.

For further information on BestHeating finance options, please visit our Heating Finance page.

Top Tip

Not all Radiators are created equally
Check the Certification

This radiator is tested and certified to EN442 standards, meaning we can guarantee the quality and performance of this product. Ensure you check the 'Declaration of Performance' certificates as proof of quality.

Check the finish

This radiator features a powder coated finish that will look like new for many years. The powder coated finish is highly durable and helps to protect the radiator, adding extra resilience.

Cost Effective

Our convector radiators provide a cost-effective way to heat any room in your home. Each radiator boasts a high heat output, ensuring your room feels warm and inviting in next to no time.

Check the Guarantee

A company that has confidence in its product will offer a longer guarantee than those that don't. Use the length of guarantee as an indicator of quality!

Item was added to your basket
Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm

Stelrad Compact - Type 21 Double Panel Plus Convector Radiator (P+) - 600mm x 900mm

Basket contains item items
Go to Basket