Match Heater to Your Site: Outdoor Heating Options for UK Gardens

For a fully open garden, a fire pit or gas patio heater covers the most ground and copes best with breezy conditions. If your patio sits under a pergola, awning or roof overhang, an electric or infrared heater is the safer choice, since gas needs airflow that covered spaces often can’t provide. For a gathering built around atmosphere rather than pure warmth, a wood-burning fire pit or chiminea wins on charm, though you’ll trade some convenience for the smoke and upkeep that come with a live flame.

TL;DR:

• Electric heaters, particularly infrared models, are the safest choice for covered or semi-enclosed patios due to their lack of flame and exhaust.
• Gas heaters offer quick, broad warmth suitable for open gardens but are unsafe in confined or poorly ventilated spaces.
• Fire pits, chimineas, and wood stoves provide atmospheric heat for open areas but produce smoke and require supervision.
• Running costs favor electric heaters at around £3.10 per use in Great Britain, compared to £6.20 for wood and £9.30 for gas heaters.
• Proper setup, including stable placement and ventilation, is crucial for safety across all heater types.

Table of Contents

• 1. Understanding fuel types and mounting styles
• 2. Your practical menu of outdoor heating options
• 3. Running costs and energy efficiency compared
• 4. Safety and site preparation you shouldn’t skip
• 5. How to choose the right heater for your space
• 6. Keeping your heater in good working order
• 7. What Great Gardens Online offers for outdoor heating
• 8. Ambience or efficiency: my honest take
• 9. Where to find the right heater for your garden
• Sources
• FAQ

1. Understanding fuel types and mounting styles

Before you compare individual products, it helps to understand what sits behind the labels you’ll see on every outdoor heating page. Fuel type tells you how the heat is generated, and mounting style tells you how it’s installed. Both decisions are shaped by where you plan to put the heater, so it’s worth settling this first.

Gas heaters, whether bottled propane or connected to a mains supply, produce a strong, immediate heat and work well outdoors because the flame needs a free flow of air. That’s exactly why they’re a poor fit for covered or semi-enclosed patios: burning gas in a confined space raises the risk of a build-up of exhaust gases.

Electric heaters convert power directly into heat with no flame and no exhaust, which makes them the sensible option wherever ventilation is limited. Many modern electric units use infrared technology, which warms people and surfaces directly rather than heating the surrounding air, so less energy is wasted when there’s a breeze or an open side to the space.

Open-flame and solid-fuel options, such as wood-burning fire pits, chimineas and stoves, offer a different kind of heat: slower to build, harder to control, but rich in atmosphere. These need generous clearance and can only really go in open, well-ventilated gardens.

Mounting style then decides how each fuel type fits your layout:

• Freestanding units are the most flexible, easy to reposition and to store away in winter.
• Wall-mounted heaters free up floor space, useful for tighter patios or dining areas.
• Ceiling-mounted units, usually electric infrared, give even coverage where a roof or pergola structure already exists.
• Tabletop heaters suit small gatherings and bistro-style seating without demanding much space at all.

As a rule of thumb, covered or semi-enclosed spaces call for electric or infrared, while anywhere under open sky can accommodate fire pits, chimineas or gas options.

2. Your practical menu of outdoor heating options

With the categories clear, here’s how the common product types stack up against each other, covering what each one does well and where it falls short.

Fire pits are freestanding bowls or pits, usually wood-burning though gas versions exist, and they throw heat in a wide circle, making them ideal for groups sitting around in a loose ring. Coverage typically stretches a few metres in every direction, and the ambience is hard to beat, but expect smoke depending on wind direction and a genuine need for supervision.

Chimineas work on the same wood-burning principle but channel smoke upward through a chimney, which reduces (without eliminating) smoke at head height. They suit smaller open gardens and courtyards better than large lawns, since their heat output is more focused than a fire pit’s.

Wood-burning stoves built for outdoor use offer more contained combustion and often better efficiency than an open fire pit, though they cost more and need a stable, non-combustible base.

Gas patio heaters, whether running on a bottled propane cylinder or connected to the mains, deliver fast, strong heat over a wide radius and are a mainstay of pubs, restaurants and larger gardens. They need to stand upright, away from structures, and cylinders must be stored and swapped outdoors in ventilated conditions.

Freestanding electric heaters plug into an outdoor-rated socket and suit patios, decking and courtyards where gas ventilation would be a concern. They’re quieter, flame-free and simple to switch on and off, though their reach is generally more modest than a comparable gas unit.

Tabletop heaters, usually small electric or gas units, warm one table or a couple of chairs rather than a whole seating area, and they’re a low-cost way to extend a single evening without investing in a full-size heater.

Infrared wall and ceiling units are the standout choice for covered or semi-enclosed spaces. Because they direct heat at people and surfaces rather than warming the air, they perform well even with a breeze passing through, and fixed installation keeps the floor clear.

Pizza-oven multiuse features double as both a cooking appliance and a heat source, giving a garden two functions from one structure, though they need careful siting and venting to work safely; anyone considering a built-in wood-fired oven should look at proper installation and venting requirements before committing to a permanent structure.

Solar and eco-focused heaters remain a niche option, generally producing gentler warmth suited to extending a mild evening rather than replacing a primary heat source in colder months.

Pro Tip: Choose your fuel by how sheltered your space is, not by how it looks in a showroom: a beautiful gas heater is wasted on a windy open lawn, and a chiminea underperforms squeezed against a covered wall.

3. Running costs and energy efficiency compared

Choosing between fuel types isn’t just about ambience or ventilation, it’s also about what each session actually costs you. According to Energy Saving Trust analysis, an electric patio heater costs around £3.10 per use in Great Britain, compared with £6.20 for a wood-burning fire pit and £9.30 for a gas heater, with electric use in Northern Ireland running slightly higher at £3.60.

Electric patio heaters cost roughly £3.10 per use in Great Britain, less than half the cost of running a gas heater for the same session, according to Energy Saving Trust figures.

That gap comes down to how the heat is delivered. Infrared electric heaters warm the people sitting beneath them rather than the air around the whole patio, so less energy escapes into open space. Gas and open-flame heaters throw heat more broadly, which can mean better coverage per unit in a large open garden, even though they cost more to run per session.

A few simple habits help keep costs down whichever type you choose:

• Switch electric or infrared heaters on shortly before guests arrive rather than leaving them running all evening.
• Position heaters to face seating directly rather than an open expanse of lawn or patio.
• Use a heater with thermostatic or infrared intensity controls to avoid running it at full power unnecessarily.
• Group seating close together so one heater does the work of two poorly placed units.

If your patio is sheltered on most sides already, fitting shutters or screens can improve how effectively an electric heater performs, since reducing draughts around a covered patio keeps warmth where you need it rather than losing it to the wind.

4. Safety and site preparation you shouldn’t skip

Whichever heater you choose, getting the setup right matters more than the model itself. Fire and safety guidance points to a handful of rules that apply across almost every type.

1. Stand fire pits and chimineas on a stable, level, non-combustible surface, never directly on decking or near overhanging structures, following firepit safety guidance.
2. Check wind direction before lighting any open flame, since a shift can send sparks or smoke toward buildings, fences or seating.
3. Keep an extinguishing method close at hand, whether that’s a hose, a bucket of sand or a proper extinguisher.
4. Only burn kiln-dried or seasoned wood with moisture under 20%, and avoid treated, painted or household waste, which the Ready to Burn guidance flags as a source of excess smoke and toxic emissions.
5. Store gas cylinders outdoors in a ventilated spot, and change them away from any naked flame or ignition source.
6. Never use gas heaters in a fully enclosed or poorly ventilated area, and treat covered spaces as an electric-only zone unless the structure is genuinely open on multiple sides.
7. Check local restrictions on open fires or smoke nuisance before lighting a fire pit regularly, particularly in built-up areas.

5. How to choose the right heater for your space

Start with the site itself before you look at a single product. Walk your garden or patio and note whether it’s fully open, partly covered, or boxed in on most sides, since that single fact rules out or rules in entire categories of heater.

• Measure the area you actually want warmed rather than the whole garden, since most heaters cover a defined zone, not a whole plot.
• Note how close the nearest structure, fence or overhanging roof sits to your intended spot.
• Think about how often you’ll use it: a weekly barbecue crowd has different needs from the odd chilly evening.
• Ask any seller or installer whether gas or electric fitting is licensed, and whether a fixed electrical circuit is needed for a wall or ceiling unit.
• Ask about warranty length and what maintenance, if any, is included.

Treat a lack of clear safety documentation or vague installation notes as a red flag, whatever the heater type. Budget roughly in tiers: a portable tabletop or freestanding electric heater suits an occasional-use budget, a durable gas or mid-range fire pit suits regular entertaining, and a fixed ceiling-mounted infrared system or built-in pizza oven suits homeowners investing in a permanent outdoor room.

Pro Tip: If you’re weighing up a permanent structure such as a covered outdoor kitchen with integrated heating, it’s worth understanding typical build costs before you commit, since extension and structure pricing can shift the maths considerably compared with a freestanding heater.

6. Keeping your heater in good working order

A little routine care keeps any outdoor heater safer and cheaper to run over the years. Before each season, check gas heaters for leaks at the hose and regulator connections, and have wiring on electric or infrared units inspected if anything looks worn or damaged.

• Clear ash from fire pits and chimineas regularly, and check for rust or cracking in the metal or mortar.
• Store cushions, covers and any removable parts indoors or under waterproof cover through winter.
• Stick to kiln-dried or Ready to Burn wood, and never burn painted, treated or chemically coated timber.
• Wipe down electric heating elements and check plugs and sockets are dry and undamaged before each use.
• Reposition seating or add a reflective screen behind a heater to make the most of the warmth it produces.

7. What Great Gardens Online offers for outdoor heating

Great Gardens Online’s chimeneas and heating range covers the fire pits, chimineas and accessories most homeowners are weighing up after reading this far, alongside outdoor dining furniture and garden decor to build out a finished space around them. Orders over £70 qualify for free delivery, with next-day delivery available on many lines, and returns within 14 days keep the decision low-risk if a heater doesn’t suit your space once it arrives. The company’s Trustpilot ratings reflect that focus on getting the practical side, delivery, returns, support, right.

8. Ambience or efficiency: my honest take

I’d never talk anyone out of a wood fire pit for a garden party. The crackle and the glow do something an electric heater simply can’t. But for the evenings you actually use most, the school-night barbecue, the quiet weekend coffee outside, an infrared or electric unit under cover wins every time on convenience. My rule: keep one atmospheric option for occasions, and one practical, flame-free option for everyday use. Most gardens are better served by both than by either alone.

— Peter

9. Where to find the right heater for your garden

If you’ve settled on a fire pit for open-air evenings or an infrared unit for a covered patio, the chimeneas and heating category brings together the range without the guesswork of comparing separate retailers. Pair it with pieces from outdoor dining or garden decor to finish the space in one order. Free delivery applies on orders over £70, with next-day delivery available on many products and a straightforward 14-day return if something isn’t quite right once it’s in place. Browse the outdoor-living range and find the heating option that fits your patio, your budget and how you actually plan to use it this season.

Sources

• Energy Saving Trust: summer energy saving
• Firepit safety advice
• Open fires and wood-burning stoves - a practical guide (DEFRA)

FAQ

What is the best type of heating for outdoor use?

It depends on your site: an open garden suits a fire pit or gas heater for wide coverage, while a covered or semi-enclosed patio suits electric or infrared units because they don’t need the ventilation gas requires.

What is the cheapest way to heat my patio?

Electric patio heaters cost around £3.10 per use in Great Britain, according to Energy Saving Trust data, compared with £6.20 for a fire pit and £9.30 for gas, making electric the cheapest option per session.

What is the best way to heat an outdoor patio?

For most patios, an infrared or electric wall or ceiling unit gives the most reliable warmth, since it heats people and surfaces directly rather than relying on airflow. Open, larger patios can also work well with a gas heater or fire pit where ventilation isn’t a concern.

What are the different types of outdoor heating options?

The main categories are gas patio heaters, electric and infrared heaters, and open-flame or solid-fuel options such as fire pits, chimineas and wood-burning stoves. Each is available as freestanding, wall-mounted, ceiling-mounted or tabletop, depending on your space and how it’s installed.