Fireplaces & Stoves: Common Problems & How to Fix Them
Published 2026-08-01 · Updated 2026-08-01
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-01.
Our pick: the NRG 2kW Black Curved Glass Screen Wall Mounted Electric Fireplace — the best Fireplaces & Stoves we tested, from £318.99.
Having a fireplace or stove can add warmth and ambience to your home, but like any appliance, they occasionally experience minor issues. This guide focuses on diagnosing and resolving frequently encountered problems with electric fireplaces and stoves – perhaps one similar to the NRG 2kW Electric Fireplace, the VonHaus Electric Stove Heater, or the Warmlite Cambridge Fireplace Stove Suite you might find listed on Amazon UK. Before contacting a specialist, let’s start with some simple checks like power connections, battery levels (if applicable), and basic adjustments that can often resolve straightforward problems safely.
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#1 Pick
NRG 2kW Black Curved Glass Screen Wall Mounted Electric Fireplace£318.99
Pros
- 7-colour LED dancing flame gives a realistic layered look
- Slimline wall-mounted curved glass saves floor space
- Flame can run independently of the heater in summer
Cons
- Professional wall fixing recommended for stud walls

#2 Pick
VonHaus Electric Stove Heater 1500W, Indoor Log/Wood Burner Effect Freestanding Fireplace with LED Flame- 1500W
- Steel
£54.99
Pros
- Realistic LED flame effect over a log-burner style fuel bed
- Freestanding and portable — plugs into any standard socket
- Adjustable thermostat with 2 heat settings for year-round use
Cons
- Flame effect runs independently but there is no fan-only cooling mode
- Compact size suits smaller rooms rather than open-plan spaces

#3 Pick
Warmlite WL45043 Cambridge Fireplace Stove Suite with Two Heat Settings and LED Flame Effect, 1850W£186.00
Pros
- Black cast stove-effect body with traditional oak-style mantelpiece
- Realistic LED flame effect runs independently of the heater
- No assembly required — arrives pre-built
Cons
- Flame effect looks less realistic than pricier models

#4 Pick
Beldray EH0982SBQ Black Electric Stove with LED Flame Effect£89.99
Pros
- Panoramic three-sided viewing gives an authentic stove look
- LED flame effect runs independently of the heater for year-round ambience
- Freestanding design works almost anywhere with a socket nearby
Cons
- Heater element only warms a small to medium room
FAQ
My wood burning stove won’t light at all – it just stays dark.+
Firstly, ensure the air intake is clear of any obstructions like dust or debris. Next, check that you’re using seasoned softwood firelighters and not damp kindling; this can significantly impact ignition. Finally, if the igniter appears to be working but no flame develops, consult the manufacturer's guide for specific troubleshooting – it could indicate a low pressure issue.
The glass front of my multifuel stove is frosted over and reducing visibility.+
A build-up of condensation is the most common cause. Gently clean the glass with a damp (not soaking wet) cloth – microfiber works well – and dry it thoroughly. Ensure your room’s humidity isn't excessively high, as this exacerbates the problem.
My wood stove is making a rattling or clicking noise when burning.+
This often stems from unburnt fuel particles within the combustion chamber. Make sure the air controls are adjusted correctly to ensure complete combustion – too much air can cause this. If the noise persists, it may indicate a problem with the baffle system, warranting professional inspection.
My ethanol stove isn’t heating up properly; it's taking ages to warm my room.+
Ethanol stoves require good airflow for efficient burning. Check that the air vents are not blocked by furniture or curtains. Also, ensure you are using a high-quality, pure ethanol fuel – contaminated fuel will significantly reduce heat output.
My wood stove is leaking water from the top – what should I do?+
A leak usually indicates condensation forming on the baffle plate. Ensure the baffle plate is correctly positioned and sealed; check for gaps or damage. If the issue persists, a faulty baffle or incorrect installation could be present - professional assessment is recommended.
My gas stove won’t turn on – it’s completely dead.+
First, verify that the gas supply to your stove is fully open. Then, check the pilot light; if it's out, follow the manufacturer’s instructions for relighting it carefully – safety first! If the pilot remains extinguished, a faulty igniter might be the issue.
My wood stove is producing excessive smoke, even with good airflow.+
Excessive smoke often points to incomplete combustion. Double-check that you’re using dry, seasoned firewood and that your air controls are correctly adjusted. A poorly sized fire can also create a smoky burn – start small and gradually add fuel.
My stove’s display isn't showing any information – it’s blank.+
The simplest check is to ensure the battery is charged or replace it with a new one. If the display remains blank, try resetting the unit according to the manufacturer's instructions – this usually involves holding down a button for several seconds.
My stove’s flame is flickering erratically and unevenly.+
An inconsistent flame can be caused by fluctuations in air supply. Check your air controls are set correctly to maintain a stable burn. A dirty or blocked flue could also contribute, so inspect the chimney for obstructions.
My stove’s fan isn't running – it’s completely silent.+
First, verify that the power supply is connected and switched on correctly. Check if there are any blockages within the fan housing or a dirty impeller; gently cleaning this area might resolve the issue. If the fan continues to fail, professional diagnosis is necessary.
In depth
The fireplace or stove won’t turn on/start
A frustratingly common issue is when your appliance simply refuses to ignite or maintain a flame. The initial cause could stem from numerous relatively simple problems. First, check the power source – if it's an electric model, ensure the fuse hasn't blown and that the mains supply is functioning correctly; test another appliance on the same circuit as a precaution. For gas models, verify the gas supply valve is fully open. A partially closed valve will obviously prevent ignition. Next, examine the air intake – many stoves and fireplaces rely on adequate airflow to sustain combustion. Obstructions such as dust or debris can severely limit this. Carefully inspect the air shutter (often located near the door) for blockages; a simple cleaning with a soft brush might resolve the issue. Similarly, check the flue pipe leading from the stove or fireplace – ensure it’s not kinked or blocked by soot buildup. A partially blocked flue significantly reduces airflow and can prevent ignition. Finally, some stoves have a manual ‘priming’ function designed to establish an initial draft. Ensure this has been activated correctly according to your appliance's instructions, as improper priming is a frequent culprit. If after these checks the stove remains unresponsive, or if you suspect a problem with the gas supply (a noticeable odour of gas should always be treated with extreme caution), immediately cease use and contact a qualified gas engineer or the manufacturer’s technical support for assistance. Never attempt to diagnose or repair gas appliances yourself; this is a job for a trained professional.
The fireplace or stove is underperforming
If your appliance isn't producing as much heat as it should, several factors could be contributing to the problem. Firstly, assess the efficiency of the fire itself. Ensure you’re using appropriately sized logs – excessively large logs can smother the flames and reduce heat output. Conversely, too few logs will lead to incomplete combustion and diminished warmth. Check that the chimney flue is clear; a build-up of soot restricts airflow, impacting combustion efficiency. Regular chimney sweeping is crucial for maintaining optimal performance. Examine the door seals around the firebox – damaged or worn seals allow heat to escape, reducing the stove’s effectiveness. Replacing these seals will improve heat retention. Furthermore, ensure the stove's air shutter settings are correctly adjusted; this controls the amount of air entering the combustion chamber, directly affecting flame size and heat output. Experimenting with slight adjustments according to your fuel type can optimise performance. If you’re using an electric stove, verify that the heating element is functioning correctly – a faulty heating element will obviously reduce its ability to generate warmth. Again, if these surface-level checks don't resolve the issue, or if you have concerns about the stove’s operation, consult a qualified appliance engineer or contact the manufacturer for guidance.
Unusual noises emanating from the fireplace or stove
Strange rattling, hissing, popping, or whistling sounds coming from your stove can indicate several potential issues. A common cause is ash buildup – excessive ash accumulating around the firebox can vibrate and create noise during operation. Regularly removing ash using a proper ash tool (never using metal tools directly in the firebox) will often eliminate this problem. Another possibility is that air is being drawn through cracks or gaps in the stove’s construction; inspect the door seals, the back panel, and any other visible seams for signs of damage or movement. Small adjustments to the door hinges might alleviate the issue. Excessive noise from a wood-burning stove can sometimes be caused by logs settling unevenly within the firebox – rearranging the logs carefully may help. However, if you hear a loud hissing sound, particularly during operation, this could indicate a problem with the air shutter mechanism or a potential gas leak (if applicable). Immediately shut down the appliance and contact a qualified gas engineer or stove technician; hissing sounds can be indicative of serious issues requiring professional attention.
A leak is present around the fireplace or stove
Detecting a leak in your stove or fireplace requires careful observation. If you’re using a wood-burning stove, check for soot deposits around the door seals and firebox edges – excessive soot indicates incomplete combustion and potential fuel spillage. Regularly replacing the door seals will address this issue. For gas stoves, any noticeable smell of gas is a serious concern. Immediately open windows and doors to ventilate the area, shut off the gas supply at the regulator, and contact your gas supplier or a qualified gas engineer – never attempt to repair a gas leak yourself. Similarly, if you notice water dripping from the chimney or flue, this could indicate a problem with the weatherproofing around the stove’s chimney collar. Ensure the collar is properly sealed and that there are no gaps allowing rainwater ingress. If leaks persist despite these checks, engage a qualified specialist for an inspection; underlying issues such as damaged flue liners may require professional repair or replacement.
The fireplace or stove isn't charging (for electric models)
If you own an electric fireplace or stove, and it’s not charging correctly, begin with the simplest checks. Verify that the appliance is properly connected to a functioning electrical outlet – test the outlet with another device. Ensure the charger cable is undamaged and securely plugged into both the appliance and the wall socket. Check the charging indicator light on the appliance; if the light isn't illuminated, it suggests there’s no power being supplied. Inspect the charger itself for any signs of damage – a faulty charger won’t charge the appliance effectively. Attempt using a different compatible charger (if available) to rule out a charger-specific fault. If the charging indicator light illuminates but the appliance still isn't charging, it could indicate an internal fault within the stove or its charging circuitry. Do not attempt to disassemble or repair the appliance yourself; contact the manufacturer’s technical support or a qualified electrician for assistance – electrical appliances should only be serviced by trained professionals.
Excessive smoke is being produced
Increased smoke output from your fireplace or stove is a significant concern, indicating incomplete combustion and potentially hazardous emissions. The most frequent cause is an inadequate air supply. Carefully adjust the air shutter settings to increase airflow into the combustion chamber. Ensure the flue pipe is clear of obstructions – soot buildup severely restricts airflow. Regularly cleaning the chimney flue is paramount for maintaining efficient combustion and minimising smoke production. Using the correct type and size of fuel (logs, kindling) appropriate for your stove model will also contribute to cleaner burning. If you are using an electric stove with a ceramic heater element, ensure the element itself isn't damaged or covered in excessive soot, as this can impede heat transfer and increase smoke output. Again, if these checks don’t resolve the issue, particularly if accompanied by unusual smells or noises, contact a qualified appliance engineer for thorough inspection and repair.
The stove is overheating
Overheating can damage your stove and pose a safety risk. Regularly inspect the air shutter settings – incorrect settings contribute to excessive heat buildup. Ensure adequate ventilation around the stove; avoid placing it in cramped spaces with poor airflow. If you’re using an electric model, check that the thermostat isn't malfunctioning, as this controls temperature regulation. Overheating can also be caused by excessively large logs or a build-up of soot, which restricts airflow and traps heat. Regularly cleaning the firebox and flue is essential for maintaining optimal performance and preventing overheating. If you observe excessive heat radiating from the stove’s exterior or notice unusual smells, immediately shut down the appliance and contact a qualified appliance engineer for assessment – overheating can lead to serious damage or even fire hazards.
The fireplace or stove has developed a strange odour
An unfamiliar smell emanating from your fireplace or stove demands immediate attention. The most common cause is incomplete combustion, resulting in the release of harmful gases and smoke. Ensure adequate airflow by adjusting the air shutter settings and cleaning the chimney flue regularly. Using appropriately sized logs and kindling contributes to cleaner burning. If you suspect a gas leak (particularly with gas stoves), immediately shut off the gas supply at the regulator and ventilate the area before contacting your gas supplier or a qualified engineer. A persistent chemical odour could indicate a problem with the stove’s sealant or components – contact the manufacturer for advice. Never attempt to mask the smell with cleaning products; this can exacerbate the problem and create additional hazards.
The appliance is making unusual grinding noises
Unusual grinding noises originating from your fireplace or stove typically signal mechanical issues within the mechanism responsible for controlling airflow or flame operation. These noises often arise from worn bearings, damaged gears, or a malfunctioning air shutter. If you're operating a wood-burning stove, excessive ash accumulation can contribute to these grinding sounds – regular ash removal is crucial. Similarly, if you’re using an electric stove, a faulty thermostat could cause the air shutter mechanism to operate erratically, generating unusual noises. However, any persistent or loud grinding noises require immediate attention from a qualified appliance engineer; attempting self-diagnosis or repair can worsen the problem and potentially create safety hazards.