Is it always cheaper to heat one room instead of the whole house?

No — not always. Heating one room is usually cheaper only when you lower your central heating and use a cost-effective heat source in the room you are actually using. If the boiler is still running as normal, or you are using an expensive electric heater for long periods, the savings can disappear quickly.

What is the cheapest way to heat one room in the UK?

For homes connected to the gas grid, a high-efficiency gas fire is often one of the most cost-effective ways to heat a main living space for several hours at a time. Gas is much cheaper per kWh than electricity, which makes a big difference for regular evening use.

Should I turn my central heating off completely if I am only using one room?

No. It is usually better to keep your central heating at a low background temperature rather than switching it off completely. Letting the rest of the house get too cold can increase the risk of condensation, damp, and mould, which can be more expensive to deal with in the long run.

Are electric fires cheaper to run than gas fires?

Not usually for long periods of heating. Electric fires are convenient and efficient at the point of use, but electricity costs much more per kWh than mains gas in the UK. That means electric heating can become noticeably more expensive when used for several hours every day.

When does heating one room stop being cost-effective?

Heating one room becomes less cost-effective when you leave the central heating on high, heat multiple rooms anyway, use an expensive appliance for too long, or try to warm a poorly insulated room that loses heat quickly. In those situations, the cost advantage of zonal heating can shrink or disappear altogether.

Can zonal heating help lower heating bills in winter?

Yes, zonal heating can help reduce heating bills when used properly. The idea is to keep the rest of the home at a lower background temperature while using a suitable heat source to warm the room you spend the most time in. The key is doing it deliberately, rather than just adding extra heat on top of your normal central heating use.

Do bioethanol fires offer an efficient way to heat a room?

Yes, in terms of appliance efficiency, bioethanol fires are 100% efficient. Because they produce real flames without smoke or soot, they don’t require a chimney or flue, so no heat is lost externally. However, bioethanol fuel is relatively expensive compared to mains gas. While they are highly efficient at the point of use and ideal for homes without a chimney, they are best suited to occasional, atmospheric heating rather than everyday use.

Are wood-burning stoves more efficient than open fires?

Yes, significantly. A traditional open fire can lose up to 80% of its heat up the chimney, whereas modern Ecodesign wood-burning stoves typically operate at around 75–85% efficiency. Because stoves use a closed combustion chamber, they control airflow and direct heat into the room rather than letting it escape.

How does home insulation impact the efficiency of my fireplace?

A fireplace can only heat a room efficiently if that heat stays inside. Poor insulation, single-glazed windows, or draughty floors will quickly drain warmth from even the most efficient appliance. Before upgrading your heating, it’s worth improving draught-proofing — otherwise, you’re effectively paying to heat the outside.

How often should I service my gas fire to maintain its efficiency?

Your gas fire should be serviced once a year by a Gas Safe registered engineer. Over time, debris or partially blocked burners can reduce heat output. A poorly maintained fire has to use more gas to produce the same level of warmth, increasing running costs.

Can I use a fireplace efficiently alongside an air source heat pump?

Yes, they work well together. Air source heat pumps provide steady, low-level background heat across the home. A gas or electric fire can then be used to deliver a quick boost of warmth in the main living room during colder evenings. This combination allows you to stay comfortable without pushing your heat pump harder than necessary.

Do gas fires produce soot?

No, not in the same way as wood burners, but minor residue and debris can still occur over time.

Can a gas fire cause a chimney blockage?

Yes, but usually from external debris like bird nests or crumbling masonry, rather than combustion buildup.

Do I need a chimney sweep every year for a gas fire?

No, but you should have an annual inspection to confirm the flue is clear. Sweeping is only necessary if a blockage is found.

Is chimney sweeping required by law in the UK?

No, but annual servicing and checks are strongly recommended in the UK for safety and insurance purposes.

Do balanced flue gas fires need sweeping?

No, they use a sealed system that vents directly through a wall, not a traditional chimney.

Do gas fires always need a chimney?

No, many modern gas fires use balanced flue or flueless systems, which do not require a chimney.

What size TV for a 1500mm media wall fire?

A 55–65-inch TV pairs best with a 1500mm fire. This keeps the proportions balanced without the TV overpowering the fire.

What size TV for a 1800mm media wall fire?

A 65–75-inch TV works best with a 1800mm media wall fire. This keeps the proportions balanced while maintaining an immersive viewing experience.

What size TV for a small media wall?

For smaller media walls under 3 metres wide, a 43–55-inch TV works best. This keeps the layout balanced without overwhelming the space.

Is a 75-inch TV too big for a media wall?

A 75-inch TV is not too big for a media wall if you have at least a 3-metre viewing distance and a fireplace width of 1500mm or more. In smaller rooms, it can feel oversized.

How far should a TV be from a fireplace?

Leave a gap of 100–300mm between the fireplace and TV. This improves heat safety and helps visually separate the two elements.

Can a TV be wider than the fire?

It can, but it usually looks unbalanced. For the best visual result, the TV should be equal to or slightly narrower than the fireplace.

What’s the best height for a TV above a media wall fire?

The centre of the screen should sit around 1.2–1.5m from the floor. If mounted above a fire, a slight tilt bracket helps maintain a comfortable viewing angle.

Should the TV or fire be centred first?

Centre the fire first. It should be the anchor of the media wall, with the TV sized to complement it. Both should feel visually balanced rather than competing.

Installation & Safety

Looking for expert information on how to fit a fireplace at home? You’ve come to the right place. Here at Direct Fireplaces we have a wealth of fireplace installation articles jam-packed with tips and advice to help you do a professional and safe job. Whether you need to know how to install a gas or electric fire, or you want advice on choosing the right fireplace installer, we have plenty of essential insight thanks to our many years in the industry - and we’re adding to it all the time, so keep checking back regularly for more fireplace installation advice so you can fit a fire at home with minimum effort.

How to Get a Traditional Fireplace Look in a New Build (No Chimney Needed)

Posted On: April 24, 2026

Discover how to create a traditional fireplace look in a new build without a chimney. From bioethanol fireplace suites with real flames to simple plug-in electric options, explore the best no-chimney solutions for your home.

Read More
Gas Fires Without a Chimney: What Are Your Options? (UK Guide)

Posted On: April 21, 2026

Most modern homes don’t have a chimney — but that doesn’t mean a gas fire is off the table. In this guide, we break down your real options, from balanced flue and flueless gas fires to electric alternatives, helping you choose the right solution based on your layout, installation constraints, and budget.

Read More
Is It Cheaper to Heat One Room or the Whole House? (UK Guide)

Posted On: April 17, 2026

Is it cheaper to heat one room or the whole house? In most UK homes, zonal heating can reduce costs — but only with the right setup. Learn when it works, common mistakes to avoid, and why your choice of heating matters more than you think.

Read More
What's the Most Efficient Way to Heat Your Home? (And Why It Depends on How You Heat It)

Posted On: April 9, 2026

Most people assume the most efficient heater is the cheapest to run — but that’s not how real-world heating works. This guide breaks down the difference between efficiency, fuel cost, and how you actually use your home, helping you choose the most cost-effective way to stay warm without wasting money.

Read More
Does My Gas Fire Need Chimney Sweeping?

Posted On: April 2, 2026

⏱️ Time to read: You’ve chosen a gas fire for its clean burn, instant heat, and lack of messy ash. So, it’s easy to assume your chimney maintenance days are over, right? Not quite. It’s one of the most common questions we get asked: does a gas fireplace need a chimney sweep? While you won’t […]

Read More
How to Pick the Right TV Size for Your Media Wall

Posted On: March 31, 2026

⏱️ Time to read: Key Takeaways What is a Media Wall TV Setup? A media wall TV setup combines a wall-mounted television and a built-in electric fire into a single feature wall, designed to create a balanced focal point in a living room. This guide will help you choose the right TV size for your […]

Read More
How to Light a Bioethanol Fireplace

Posted On: March 13, 2026

Key Points Safety First, Then Simplicity Lighting a bioethanol fire is straightforward – but it must be done safely. Because there is no chimney, no gas line, and no electricity, you are dealing strictly with fuel and a real flame. However, when used correctly, bioethanol fires are clean, controlled, and incredibly easy to manage. What […]

Read More
Everything You Need to Know About Opening Up an Old Fireplace

Posted On: January 30, 2026

For decades, fireplaces were boarded up in favour of central heating radiators. Today, the trend has come full circle. Homeowners are once again looking to reveal the original character of their property by opening up these hidden recesses. However, the way we use fireplaces has changed. While the look of a traditional Victorian fireplace is […]

Read More
What Types of Fires Can You Use in a Media Wall?

Posted On: December 12, 2025

A modern media wall looks incredible – but only certain fire types are safe, practical, and regulation-friendly for this setup. This guide breaks down every fire option compatible with a media wall, how to choose the right one for your home, and the key installation factors. What is a Media Wall & Why Fire Choice […]

Read More
Should You Remove Your Chimney Breast?

Posted On: December 5, 2025

The chimney breast, that familiar brick projection in the rooms of many older homes, is often at the centre of a significant renovation debate. For decades, it was the heart of the house, but as central heating became the norm, many have been left dormant. Today, homeowners are increasingly asking: Should you remove your chimney […]

Read More

Latest Posts...

Categories