Electric vs Gas Pergola Heaters: Which Is Best for UK Gardens?

Nov 5, 2025

Keeping your garden warm and cozy starts with choosing the right pergola heater. When it comes to Electric vs Gas Pergola Heaters, electric ones are usually the best choice for UK gardens. They are easy to install, safe to use under covered pergolas, and give quick, steady warmth. Electric heaters are clean, use less power, and work well in cool weather.

Gas heaters can produce strong heat, but they cost more, need gas bottles, and must be used with care. For small or medium pergolas, or when you sit outside in the evening, electric heaters are simple, safe, and the best way to keep your garden warm all year.

What are Pergola Heaters and Why You Need One?

When you have a pergola in your garden, you want to use it even when it’s cold. A pergola heater keeps you warm so you can spend more time outside. You can enjoy evenings with family or friends, or just relax under cover. It works for small garden structures or big, fancy pergolas in the UK.

There are two main types of heaters: electric and gas. Knowing the difference between Electric vs Gas Pergola Heaters will help you choose the best one for your garden.

How Electric Pergola Heaters Work?

Electric heaters use electricity to generate heat, typically via infrared or convection. They’re mounted on the wall, ceiling, or underside of the pergola roof and switch on when you need warmth. Because they draw from the mains (or a dedicated circuit) they’re simple if you have power nearby. One form is the pergola-mounted electric patio heater, which blends into the pergola structure.

Key features:

  • Simple installation: No fuel tank, no gas line, just an electric supply.

  • Quick heat: Infrared electric heaters give almost immediate warmth as they heat objects first, then the air.

  • Control: Often, they can be used with remote controls, timers, or smart home systems.

  • Clean: No direct emissions or open flame, ideal for more enclosed or covered outdoor spaces.

  • Integration: They can combine with lighting, blinds, or other accessories to deliver a full outdoor living experience.

If your pergola is made for outdoor living, an electric heater fits perfectly. It works well in a pergola with lights in the UK. You can control both the heater and lights easily for a smooth, simple setup.

How Gas Pergola Heaters Work?

Gas‑powered heaters use propane or natural gas. They burn the fuel to produce heat, often via a radiant element or flame, and this heat is directed into the space beneath the pergola. They can be very powerful and cover large open areas.

Key features:

  • High heat output: Good for large patios, open gardens where you need more warmth over a bigger area.

  • Fuel dependency: Requires a gas supply (bottle or pipeline), so the infrastructure is more complex.

  • Heat spread: Radiant gas heaters tend to warm people and surfaces rather than air, so in open spaces this works well.

  • Safety & ventilation: Because of combustion, you need to ensure proper ventilation, a safe distance, and checks.

  • Running cost & maintenance: Fuel cost and servicing can add up more than with electric, especially in the UK, where energy costs matter.

So while gas heaters are strong, they carry extra cost and complexity. That’s why we do not prefer them much.

Electric vs Gas Pergola Heaters

Feature

Electric Pergola Heater

Gas Pergola Heater

Heat source

Electricity

Propane or natural gas

Installation

Simple wall/ceiling mount, plug, or dedicated circuit

Requires gas line or bottle, flame considerations

Heat‑up speed

Fast (especially infrared)

Strong heat, but may take more setup

Suitable for UK garden types

Medium to small‑covered pergolas

Very large open patios

Running cost

Generally lower for moderate use

Can be higher due to fuel cost

Emissions/cleanliness

Zero on‑site emissions

Burns fuel → CO₂, possible smell

Maintenance & safety

Minimal maintenance, safer indoors

Requires checks, must follow safety guidelines

Ideal for “outdoor living”

Very good for covered/semi‑covered pergolas

Best for open, uncovered patios

Keyword tie‑in

Links easily with “Energy Efficient Pergola Heating”

More traditional/heavy-duty use

Factors to Consider Before Buying for UK Gardens

Before buying, you should think about several factors to make sure you get the right fit for your garden and pergola.

Garden Size and Type of Pergola

Think about the size of your garden and the type of pergola you have. Is your pergola fully covered, or partly open? Are the sides closed or open to the garden? Open spaces lose heat quickly, while a more enclosed pergola keeps the warmth for longer.

Distance to Power or Gas Supply

Check if there is an electric socket or circuit near your pergola. If you want to use a gas heater, make sure you have space for a gas bottle or a gas line. The closer the power or gas supply, the easier it is to install your heater.

How often will you use it?

Think about how often you will use your pergola. Do you only go out there sometimes, or do you want to use it most of the year? If you use it in the evenings and cooler months, a heater will make your outdoor space more comfortable.

Safety and Installation Rules

Electric heaters need safe wiring and protection from rain. It’s best to have a qualified electrician install them. Gas heaters need a proper distance from walls and the roof, good ventilation, and a flame guard. A professional should install gas heaters to keep everything safe.

Running Cost and Energy Use

How much it will cost to run the heater depends on how often you use it. Electric heaters save energy and are cheaper to run for normal garden use. Gas heaters can be more expensive if you use them a lot. Choosing an energy-efficient heater saves money in the long run.

Features and Extra Options

Some heaters come with remotes, timers, or smart home controls. They can also work well with pergola lights, blinds, or sliding glass walls. Think about how the heater will look with your pergola. Many people in the UK pick electric heaters because they are easy to set up. They work well in semi-covered pergolas or rooftop patios where there is electricity.

Costs and Running Expenses in the UK

Let’s break down cost considerations so you understand what you’ll pay upfront and ongoing.

Type

Wattage / Output

Price

Best For

Electric Heater

1.8 kW

~ £175

Most covered or semi‑enclosed UK pergolas

Gas Heater

~3 kW – 14 kW

~ £250 – £500

Very large open gardens or spaces with many users

Upfront cost

  • Electric heaters tend to cost less for the unit and installation if power is already nearby.

  • Gas heaters cost more because of the fuel supply setup, possibly a gas line or a bottle, and safety installations.

Example: A standard electric heater for a pergola in London might be around £175 for the unit (as one UK supplier lists).

Running Costs

Running a pergola heater doesn’t have to be expensive. 

For Example, a small 1.8 kW electric heater used for three hours costs just over £1. That’s less than a cup of coffee to keep your garden warm and cozy for the evening.

Gas heaters can give strong heat, but you have to buy fuel, which can add up. For most UK gardens, using an electric heater a few times a week is cheaper and much easier. You don’t need to worry about bottles or topping up fuel.

Maintenance and Lifespan

Electric Pergola heaters UK do not need much maintenance. You just need to dust them occasionally, check that they’re mounted safely, and make sure the power supply is okay.

Gas heaters need more attention. You have to check the burners, gas lines, flames, and ventilation regularly. For everyday garden use, electric heaters are simpler and less stressful to manage.

Value for Money

A good electric heater is a smart investment. A good electric heater lets you enjoy your garden for more months, keeps you and your family warm, and makes your outdoor space better. Spending a bit more on a good heater can save money later because it uses less energy and lasts a long time.

Maintenance, Safety & Practical Use in UK Gardens

It’s not just about buying and installing; how you use and maintain your heater contributes to cost, safety, and lifespan.

Electric Heaters

Electric heaters are very easy to care for. Just keep them clean, check the power is safe, and make sure nothing is blocking the heat. That’s it! They work well with very little effort.

Gas Heaters

Gas heaters need a little more attention. Check the fuel, keep space around them, and make sure air can flow. With a few quick checks, they stay safe and warm your pergola perfectly.

Practical Tips for UK Use

  • Even in summer evenings, a UK garden can get chilly. Turning the heater on early helps you use the space earlier in the day.

  • If your pergola is partially open, consider side‑screens, blinds, or a glass‑enclosed pergola variant to retain heat.

  • Lighting matters: combining a heater with lighting makes the space welcoming and lets you use it beyond just summer.

  • Position seating close to the heater’s footprint so people feel the warmth directly, instead of heating the full air volume.

This will help you choose the best pergola heaters UK to keep your garden warm and cozy.

Which Type Really Suits UK Weather & Garden Spaces?

Putting all the above together, which type of heater is best for typical UK gardens?  The answer: for most, electric is the best choice.

Why Electric Heaters Tend to Win in UK Gardens?

  • Pergolas: UK gardens often have pergolas that are partially covered or semi‑enclosed rather than large open spaces.

  • Electric heaters: These work best in covered or semi‑enclosed pergolas and give warmth quickly.

  • Weather: With cooler evenings and changeable UK weather, you need a heater that’s fast, safe, and easy to use.

  • Running cost and simplicity: Many people like plug-in electric heaters because they are simple and don’t need gas bottles or extra care.

  • Green living and efficiency: Electric heaters use less energy and work well with lights, blinds, or remotes.

  • Outdoor living: For pergolas used as part of the home, electric heaters are seamless and easy to manage.

When Gas Heaters Might Make Sense?

  • Large outdoor space: If your garden is very big, open, or used by many people, a gas heater’s strong heat can be useful.

  • Electricity limits: If your electricity supply is limited or very costly, using gas can sometimes be cheaper.

  • Existing gas supply: If you already have a gas line installed, a gas heater can be easier to set up with minimal changes.

Pros & Cons 

Type

Pros

Cons

Electric

Easy to install, lower maintenance, safer indoors, better for moderate use, cleaner, and efficient

Slightly less powerful for huge open spaces

Gas

High output, good for large open patios

Higher running cost, more complex install, safety matters, less efficient for smaller spaces

Conclusion

In answering the question, Electric vs Gas Pergola Heaters: Which Is Best for UK Gardens? The clear winner for most UK homeowners is an electric heater. It offers the best mix of practicality, safety, running cost, and adaptability to typical garden setups. 

For very big open gardens, gas heaters can work. But for most home pergolas used in the evenings or for family time, electric heaters are better. Pick a good electric heater, install it safely, and enjoy your garden more with less hassle.

Ready to upgrade your outdoor space and make your garden a year‑round haven? Contact us today to start your journey to comfort, style, and more outdoor evenings!

FAQs

Q1: What is the most efficient pergola heater for UK gardens?

Electric heaters are usually the most efficient. They work well in partially covered pergolas, give quick warmth, and need very little maintenance.

Q2: Are electric pergola heaters safe for enclosed spaces?

Yes. Electric heaters don’t burn fuel, so they are safe in covered or semi-enclosed pergolas. Always follow the installation rules.

Q3: Can gas heaters be used under covered pergolas?

They can, but you must have good airflow, keep safe distances, and follow local safety rules. It’s more complicated than electric heaters.

Q4: How long do pergola heaters last?

Both electric and gas heaters can last many years if taken care of. Electric heaters usually last longer because they need less maintenance.

Q5: Does it cost a lot to run a pergola heater in the UK?

It depends on use and energy cost. For example, a 1.8 kW electric heater running 3 hours costs about £1.35, very cheap for a warm garden.


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