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Heating · Mistakes to Avoid

Fireplaces & Stoves: Mistakes to Avoid When Buying

By the Nest & Yard editorial teamUpdated 2026-08-095 min read

Our pick: the VonHaus Electric Stove Heater 1500W, Indoor Log/Wood Burner Effect Freestanding Fireplace with LED Flame — the best Fireplaces & Stoves we tested, from £44.99.

Investing in a fireplace or stove can dramatically transform your living space, but it’s easy to fall into costly mistakes when making the purchase. Many UK homeowners overlook crucial factors like sizing, potential ongoing running costs such as fuel or consumables – think screens and logs – and the often-significant expense of professional installation. Before you bring home a new heating solution from brands like Warmlite, VonHaus or Beldray, let’s look at some common pitfalls to watch out for when buying a fireplace or stove.

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Currently unavailable

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
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£44.99

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
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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
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Currently unavailable

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
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FAQ

I'm struggling to visualise how big a wood-burning stove needs to be; what’s the best way to work out the right size for my room?

Measure the dimensions of your room accurately, taking into account ceiling height and any obstructions like windows or radiators. Then, consider the heat output you need – colder climates and larger rooms require a higher BTU rating stove.

Some stoves have features I don’t need, like airwash systems; is it worth paying extra for these?

Carefully evaluate which features are genuinely important to your usage. Many accessories add significant cost without substantially improving the core burning performance or convenience of the stove.

I've bought a chimney sweep and he’s told me I need a new flue; what does this mean, and how much will it likely cost?

A new flue is typically required if your existing one isn't in good condition or doesn't meet current safety standards. Flue replacements can range from £500 to £2000 depending on the complexity of the chimney.

I’m considering a smokeless stove – are there specific regulations I need to be aware of regarding chimneys?

Smokeless stoves require a swept flue chimney, typically 9ft high or greater, to ensure adequate ventilation and prevent smoke from entering neighbouring properties. Check your local council's guidelines before purchasing.

I’ve bought an open-hearth stove; what kind of fuel should I be using?

Open-hearth stoves are best suited for seasoned logs – aim for a moisture content below 20% to ensure efficient burning and minimise smoke production. Avoid using softwood or treated timber.

What’s the difference between a wood stove and a multifuel stove, and which is better for me?

Wood stoves are designed specifically for burning solid fuel like logs, while multifuel stoves can burn wood, smokeless fuels, and even coal. Consider your primary fuel source and desired flexibility when making your choice.

I’m worried about the installation costs; how much should I budget for a new stove and chimney?

Installation costs can vary significantly depending on the complexity of the job – expect to pay around £800 - £2500, including chimney sweeping, flue lining, and stove installation.

My fireplace isn’t fully lined; will that affect my ability to install a modern stove?

A fully lined chimney is almost always required for installing a new stove – this ensures proper draft and prevents smoke from entering your home. Consider the cost of lining it if yours isn't already suitable.

What should I do to prepare my existing fireplace before installing a new stove?

Before starting any work, have your chimney professionally swept and inspected for obstructions or damage. Ensure the firebox is clean and in good condition.

I’m looking at stoves with catalytic combustors; are these genuinely more efficient than traditional stoves?

Catalytic combustors burn fuel more completely, reducing emissions and improving efficiency – however, they require regular maintenance and can be more expensive to operate.

In depth

Measuring your space accurately is absolutely crucial when considering a fireplace or stove. It’s easy to get carried away with the visual appeal of a beautiful insert or impressive wood-burning stove, but if it doesn't fit properly, it will be an ongoing source of frustration and potentially even safety concerns. Many buyers underestimate the required clearances around their new appliance – these aren’t just aesthetic considerations; they are vital for ventilation, heat distribution, and fire safety. Before you start browsing, meticulously measure the width and depth of your fireplace opening or the available space where you intend to install a freestanding stove. Don't forget to account for any existing chimney features, as their dimensions will dictate the maximum size insert you can accommodate. Crucially, check the manufacturer’s specifications carefully regarding minimum clearances from combustible materials – these typically include walls, flooring, and adjacent furniture. Allow ample space for airflow around the appliance too; a stove or fireplace needs room to breathe properly to function efficiently and safely. If possible, take accurate measurements of your chimney flue dimensions as well, this will influence what types of insert are suitable.

It’s far too common to fall prey to ‘feature creep’ when selecting a fireplace or stove. Manufacturers often pack their models with a plethora of options – catalytic converters, secondary air systems, variable-flue controls, automatic ignition – many of which add significantly to the cost without offering a tangible benefit for most homeowners. Consider your actual usage patterns before investing in these advanced features. If you primarily intend to burn seasoned logs for short periods during the colder months, a sophisticated multi-fuel stove with all the bells and whistles will likely be overkill and represent a considerable waste of money. Similarly, a large wood-burning stove might seem appealing if you’re planning on stockpiling vast quantities of fuel, but the cost of storage, handling, and maintaining such a high fuel consumption is something to factor in. Before committing to any specific model, ask yourself honestly: “Do I genuinely need this feature?” Prioritise the core functionality – efficient heating and reliable combustion – over unnecessary extras.

Beyond the initial purchase price, neglecting to assess the ongoing running costs and installation expenses can lead to unexpected financial strain. A high-efficiency wood-burning stove might appear economical at first glance, but the cost of sourcing sufficient fuel regularly could quickly outweigh any savings. Factor in the expense of transporting logs, storing them safely, and splitting them – these tasks can be physically demanding and time-consuming. Similarly, installing a new fireplace or stove often involves more than just the appliance itself. Chimney lining repairs may be necessary to ensure adequate draft and prevent smoke spillage. Professional installation is almost always recommended for safety reasons, and costs can vary considerably depending on the complexity of the job – factors like brickwork alterations, electrical wiring upgrades, and flue extensions will all contribute to the overall expense. Obtain several quotes from reputable installers before proceeding with any work.

The marketing language used by manufacturers and retailers often focuses heavily on technical specifications, which can be misleading for the average homeowner. Terms like ‘high efficiency,’ ‘secondary combustion,’ and ‘variable flue’ are frequently employed without sufficient explanation of their practical implications. Don't allow yourself to be swayed solely by a headline specification – focus instead on understanding how that feature will genuinely benefit your heating needs. For example, a stove with a 'high efficiency' rating might only offer a marginal improvement in heat output compared to a more basic model, while the increased complexity could also lead to higher maintenance costs. Read independent reviews and seek advice from experienced professionals to help you interpret the technical details and assess their relevance to your circumstances.

Another significant pitfall is failing to adequately research the installation process itself. Different types of fireplaces and stoves – open fires, wood-burning stoves, multi-fuel appliances – require vastly different installation procedures. A simple open fire insert can often be installed by a competent DIY enthusiast with careful attention to detail and adherence to manufacturer’s instructions, but a complex multi-fuel stove demands the expertise of a qualified HETAS registered installer. Using an unqualified individual to install a multi-fuel appliance is not only dangerous but also carries significant legal implications. Ensure that any installer you engage holds the necessary certifications (HETAS registration is essential for wood-burning appliances) and has proven experience in installing similar models. Check references, verify their insurance coverage, and obtain a detailed written quotation outlining the scope of work before signing anything.

Finally, consider the long-term maintenance requirements associated with your chosen appliance. Wood-burning stoves, particularly those with catalytic converters or secondary air systems, require regular cleaning and maintenance to ensure optimal performance and prevent problems like creosote build-up. These components can be costly to repair or replace if they fail prematurely. Multi-fuel stoves also necessitate careful fuel management – burning damp wood will damage the appliance and reduce its efficiency. Invest time in learning how to properly season your logs, and factor in the ongoing cost of purchasing fuel and replacing any worn parts. A little preventative maintenance can save you a great deal of money and hassle in the long run.

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 2026-08-09.

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