Sofas are great for lounging around in your living room, but have you ever considered how they’re positioned? Before placing your sofa in front of a radiator, there are some things that you may want to consider, therefore ensuring that the radiator is working optimally, and you do not damage your prized seating. Although having a radiator behind a sofa is extremely commonplace, having radiators behind sofas is not recommended but, if you decide to do it anyway there are certain things that can be done to prevent any issues that may arise.

Radiator close to sofa

Why Would You Want to Put a Radiator Behind a Sofa?

There are a couple of reasons why radiators end up going behind or next to sofas and other furniture. You may not have much space in your living room/ lounge, or you may want to hide the radiator out of sight to make the room look better.


In the UK, most average size living room areas will usually have a television set, a 2-piece or 3-piece suite and a window with a radiator underneath along with other furniture. With sofas often being placed against a wall, this means space is extremely limited meaning that you may find that you need to place your sofa or other furniture in front of a radiator.


Another reason for having a sofa in front of your radiator is that you may be trying to keep it out of sight for some reason. The radiator may be unsightly, you simply do not like the way that it looks, or the paint could be deteriorating, and you do not have time to paint it properly.

Reasons Why Having a Radiator Behind a Sofa is a Bad Idea

Radiators are great because they create warmth, but when hidden behind furniture they can cause negative effects on furniture and impact their performance and effectiveness.

Damage to Furniture

Radiators are what many of us use to heat our homes during the colder months of the year and furniture that we have in our homes can be very expensive. If sofas or other furniture is placed in front of a radiator, this could end up causing damage. Constant heat through the winter can warp wood, or cause materials to become too dry and stiffen which will increase the chances that your sofa will break or crack over time.

Energy Efficiency

Having a radiator behind your sofa is also not very energy efficient as the sofa or other furniture will absorb much of the heat and prevent it from circulating the room. This may lead to the radiator having to work harder than it needs to, therefore, increasing the cost of heating your home.

Radiator Behind Furniture
Example of Bad Furniture Arrangement Blocking a Radiator

What to Do if You Need to Have a Radiator Behind Your Sofa

If you decide to put a radiator behind a sofa there are certain things that can be done to prevent any issues and keep your furniture as safe as possible whilst heating the room as efficiently as possible.

Leave Space

This may seem obvious to some but maybe not all. If you are limited in space and have a sofa behind a radiator, then it is a good idea to try and leave at least a 6-inch gap between the back of the sofa and the radiator. Although the back of the sofa will still absorb some of the heat, by doing this, you are allowing the air to circulate freely without the sofa absorbing all of the heat.

Note: Whatever you do, do not have the sofa or any of your other furniture touching the radiator.

Change the Radiator

If you are simply trying to hide the radiator with furniture because you do not like the look of it, it is far more beneficial to simply change the radiator. Modern radiators come in all sorts of designs that will be suitable for your decor, so you can just choose the one you like and away you go. If space is the issue, there are many different shapes and sizes of radiators. For example, you could have a vertical radiator that will fit tucked away on a smaller wall space next to a door or window where a standard horizontal-shaped radiator wouldn’t fit.

How Much Space Do I Need Between a Radiator and Sofa?

Though the correct answer may vary depending on the radiator’s size, heating capacity, airflow design, and so on, it is safe to say that you need at least 6-12 inches between your furnishings and radiator surfaces. This allows air to circulate between the two objects and safely move heat away from your sofa.

The heat from radiators can warp wood and cause covers on furniture to dry out, shrink and eventually fade. Too many people either have no space or they plant their furniture too close to radiators or heaters without realising what they are doing.


So, there you have it. Having a radiator behind your sofa is not necessarily a bad idea as long as you take sensible precautions. It is very important that you do not let your sofa or other furniture come into contact with your radiator due to the damage it is likely to cause. Having your sofa in front of your radiator is commonplace in many homes and is at times unavoidable. If you are not happy with your arrangement, you can always change your radiator for something a little more modern.

2 Reasons Not to Have Radiators Behind Furniture Infographic

Plumbing Wizard Tips

“Modern vertical radiators are great for rooms with little space!”

“Radiators rely on having airflow around them – this means you will need to leave space!”

“Do not leave furniture in place if it is in contact with a radiator, this will end up causing damage!”

“Leave a minimum of 6 inches between a radiator and other furniture. 12-inches would be even better!”

Frequently Asked Questions

Is it OK to put a radiator behind a sofa?

Although it is not advisable, it is generally considered safe to have a radiator behind a sofa as long as the sofa does not impede the heat from ventilating up and out of the radiator. Leaving a 6–12-inch gap between the radiator and sofa will protect your furniture and ensure that the airflow keeps the radiator working optimally.

Can I hide my radiator behind a piece of furniture?

Both materials have their uses and can be used in conjunction with one another. Plastic is As long as you leave enough space between the furniture and radiator to allow for ventilation then it is fine to do this.

Is it OK to have a sofa in front of a radiator?

Yes, it is okay to have a sofa in front of a radiator, but it is not recommended. Having a sofa in front of a radiator means your heating efficiency will be decreased, the chance of damaging your furniture increases, and it can also be more difficult to spot a leakage if one should occur. To try and mitigate these issues, leave a minimum of 6-inches between the sofa and the radiator.

How do you get heat out of a radiator behind a couch?

Radiators primarily work by convection so when a piece of furniture prevents airflow, then heating efficiency will decrease meaning that your energy consumption will increase.

Is It Dangerous to Put Furniture in Front of a Radiator?

It can be dangerous if the furniture becomes too hot to touch and there have been cases in which such placement can lead to a fire, but these are extremely rare. Some older pieces of furniture can also emit harmful particles when heated which lowers air quality if not ventilated well enough.

What materials should I avoid placing near a radiator?

Flammable materials such as certain types of plastics, thin fabrics, and certain treated woods should be kept away from radiators. Always ensure the materials of your furniture can withstand the heat without releasing harmful substances or catching fire.

How can I improve the efficiency of a radiator that’s behind a sofa?

Consider investing in a radiator reflector. This is a panel that sits behind the radiator, reflecting the heat away from the wall and back into the room. It ensures that more of the heat is directed into the room rather than absorbed by the wall or sofa.

Is there a cover I can use to protect my sofa from the radiator heat?

Yes, there are radiator covers available that not only protect furniture from direct heat but also can be aesthetically pleasing. They are designed to allow heat to circulate properly while providing a protective barrier between the radiator and any nearby furniture.

Can a radiator melt a sofa?

It is highly unlikely for a home radiator to produce enough heat to melt a sofa. However, prolonged exposure to the heat can lead to the fabric drying out, fading, or becoming brittle over time. Leather or faux leather sofas can become dried out and may crack if placed too close to a radiator.

How often should I check the space between my sofa and the radiator?

It’s good practice to check the space between your sofa and the radiator at least once every few months, especially during the colder months when the radiator is frequently in use. This ensures that the gap hasn’t decreased due to movement or shifting of the furniture.

What’s the best way to rearrange my living room to avoid putting my sofa in front of the radiator?

Consider alternative layouts like placing the sofa perpendicular to the radiator rather than directly in front of it. If possible, place seating that doesn’t have a tall back, like lounge chairs, in front of the radiator. Also, using room dividers or open shelving can be a way to guide heat flow without entirely blocking it.


Lee Pearce is not just a master plumber; he’s a veritable Plumbing Wizard. With over 30 years of experience in the trenches of pipes and drains, Lee has become the go-to sage for DIY plumbing, saving homeowners thousands in potential call-out charges. As the founder of Plumbing Wizard, he’s dedicated to demystifying the complexities of home plumbing, offering easy-to-follow advice that stands the test of time and pressure. His online blog is a treasure trove of tips, tricks, and tutorials that empower everyday individuals to take charge of their home’s plumbing health. Lee’s practical wisdom is not just about fixing leaks; it’s about imparting confidence and self-reliance. When he’s not writing or elbow-deep in a plumbing project, Lee is passionate about educating the next generation of DIYers, ensuring that practical skills are passed down and preserved.

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