Garden Room Heating

Infrared Heating

Infrared panels heat people and surfaces rather than primarily heating the surrounding air.
 

They can be:

• wall mounted

• ceiling mounted
   

This can make them useful where floor or wall space is limited.
 

They may also suit rooms used intermittently because the sensation of warmth can be relatively quick.

 

Cheapest Way to Heat a Garden Room

The cheapest way to heat a garden room is usually to reduce the amount of heat it loses in the first place.
 

That means investing in:

• good floor insulation

• good wall insulation

• good roof insulation

• decent glazing

• airtight construction
   

Once that is done, the room needs far less energy to maintain a comfortable temperature.
 

Saving money on insulation and then spending more on heating is usually false economy.

 

Heating a Small Garden Room

A small well insulated room may need surprisingly little heating.
 

A modest panel heater may be enough for:

• small office

• study

• hobby room

• reading room
   

Oversizing the system is unnecessary.
 

The heater should be selected according to the actual heat demand.

 

Heating a Larger Garden Room

Larger rooms may benefit from:

• multiple radiators

• underfloor heating

• air conditioning

• zoned heating
   

This becomes more important where the room contains separate areas.
 

For example:

• office + lounge

• gym + shower room

• studio + storage

• bar + seating area
  
   

Garden Rooms With Large Glazing

Large glazed doors are attractive, but they can increase heat loss.
 

They can also cause significant solar gain during summer.
 

A good design balances:

• glazing

• insulation

• shading

• heating

• ventilation
   

The room should not depend on heating or air conditioning to correct poor design.

 

Heating and Insulation

Heating and insulation should always be considered together.
 

A properly insulated room can:

• heat up faster

• stay warm longer

• use less energy

• feel more comfortable
   

Insulation should normally be considered in:

• floor

• walls

• roof
  
   

Floor Insulation

Poor floor insulation can make the entire room feel cold.
 

This is particularly noticeable where the room is built on a raised timber floor.
 

A properly insulated floor can make a substantial difference to comfort.

 

Roof Insulation

Heat rises, so the roof is especially important.
 

A poorly insulated roof can allow a significant amount of heat to escape.
 

Good roof insulation also helps reduce overheating in summer.

 

Glazing Performance

Doors and windows normally lose more heat than insulated walls.
 

That means large areas of glazing should use suitable double or triple glazed systems.
 

The frames and seals matter as well as the glass itself.

 

Airtightness

Uncontrolled draughts can make a garden room uncomfortable even with a good heater.
 

Common air leakage points include:

• window junctions

• door frames

• floor edges

• roof junctions

• service penetrations
   

Careful construction can significantly improve performance.

 

Ventilation

A warm garden room still needs fresh air.
 

The aim is to control ventilation rather than allow uncontrolled draughts.
 

Possible solutions include:

• opening windows

• trickle vents

• mechanical ventilation

• extract fans
   

Bathrooms and kitchens need additional ventilation.

 

Heating a Garden Gym

A gym needs slightly different thinking.
 

Many people do not want a gym heated to the same temperature as an office.
 

Good ventilation may be more important.
 

A system that can provide both heating and cooling can therefore work particularly well.

 

Heating a Garden Studio

Studios may require stable temperatures where materials or equipment are sensitive.
 

Artists, photographers and musicians may also spend several hours in the room.
 

A programmable heating system can help maintain comfort without wasting energy when the studio is empty.

 

Heating a Garden Bar or Games Room

These spaces may only be used occasionally.
 

That means fast warm up can be more important than continuous background heating.
 

Suitable options may include:

• panel heaters

• infrared heating

• air conditioning with heating
  
   

Heating a Garden Bedroom

A room intended for sleeping requires more careful consideration.
 

The heating should be:

• controllable

• quiet

• safe

• suitable for overnight use
   

Building Regulations and planning may also require separate consideration where sleeping accommodation is provided.

 

Garden Room With Heating

The heating installation should be incorporated into the original design.
 

Decide early:

• what type of heater is required

• where it will be positioned

• how much power is needed

• where controls will go

• whether cooling is also required
   

This avoids awkward surface wiring later.

 

Electrical Supply

Heating can represent one of the largest electrical loads in a garden room.
 

The electrical design may also need to supply:

• sockets

• lighting

• computers

• fridge

• air conditioning

• hot water

• outdoor kitchen equipment
   

The total demand should therefore be considered when sizing the electrical supply.

 

Thermostats and Controls

Good controls can reduce unnecessary energy use.
 

Useful features include:

• programmable timer

• digital thermostat

• app control

• zoning

• frost protection
   

A garden office can be programmed to warm shortly before the working day begins rather than remaining heated all night.

 

Smart Garden Room Heating

Smart controls can be particularly convenient for detached buildings.
 

Instead of walking down the garden to switch the heater on, you may be able to control it remotely.
 

This works well for rooms used on a regular schedule.

 

Portable Heaters

Portable electric heaters can be useful temporarily.
 

However, for a finished year round garden room, a permanent heating system will normally provide:

• better control

• cleaner appearance

• less floor clutter
   

Portable appliances should always be used safely and in accordance with manufacturer guidance.

 

Outdoor Room Heaters

There is an important difference between heating an enclosed garden room and heating an outdoor terrace.
 

An outdoor heater is designed to provide local warmth in an open or semi open area.
 

These might include:

• electric patio heaters

• infrared outdoor heaters
   

They can be useful beside:

• outdoor kitchens

• covered terraces

• garden bars

• seating areas
   

But they are not a substitute for properly heating an insulated garden room.

 

Outdoor Portable Gas Heaters

Portable gas heaters are intended for appropriate outdoor environments and should not be treated as normal indoor garden room heating.
 

Combustion appliances can create:

• carbon monoxide

• moisture

• fire risk
   

Only use appliances in the environment for which they are specifically designed and follow the manufacturer's ventilation and safety requirements.
 

For an enclosed garden room, fixed electric heating is generally much simpler.

 

Electric Wall Patio Heater

A wall mounted electric patio heater can work well beneath a garden room canopy.
 

This can extend the use of:

• covered dining areas

• outdoor kitchens

• bar seating

• terraces
   

The electrical supply and mounting position should be planned during construction.

 

Garden Room Heating Cost

The cost depends on the system selected.
 

A simple wall mounted electric heater may involve relatively little installation.
 

Other systems such as:

• underfloor heating

• air conditioning

• multiple heating zones
   

will cost more initially.
 

The correct comparison should include both:

• installation cost

• running cost
  
   

Running Costs

Running costs depend heavily on:

• insulation

• room size

• glazing

• external temperature

• thermostat setting

• hours of use
   

Two identical heaters can have very different running costs depending on the buildings they are heating.

 

Don't Overspecify the Heater

Bigger is not automatically better.
 

An oversized heater may cycle unnecessarily and use more power than required.
 

The system should be appropriate for:

• floor area

• heat loss

• intended temperature
   

This is another reason to decide the construction specification before selecting heating equipment.

 

Future Proof the Garden Room

Even if heating is not being installed immediately, it can be useful to make provision for it.
 

This might include:

• suitable electrical circuit

• spare cable route

• wall position

• air conditioning route
   

That makes future upgrades easier.

 

Design Heating Into the Garden Room

Heating should not be an afterthought.
 

The location of the heater affects:

• furniture

• glazing

• electrical sockets

• wall space

• circulation
   

Planning it alongside the room layout creates a much cleaner result.

 

APN Garden Room Plans and Heating

When choosing or adapting an APN Garden Room design, consider how the room will be used throughout the year.
 

The design can accommodate:

• wall mounted electric heaters

• underfloor heating

• air conditioning

• heating controls

• electrical provision
   

This can all be coordinated with:

• insulation

• glazing

• furniture

• electrical layout
   

so that the finished room works properly rather than simply looking good.

 

Potential Savings of 40 to 50%

Depending on the design, location, specification and how the project is managed, it may be possible to reduce the overall cost by around 40 to 50% compared with some equivalent turnkey garden room packages.
 

The aim is not to build a cheaper room.
 

It is to spend more of your budget on the room itself and less on the layers surrounding it.
 

That could mean:

• better glazing

• better insulation

• better cladding

• better internal finishes

• a larger room

• more money left for landscaping or furniture
  
   

Start With the Design

The first step is choosing the right garden room.
 

From there, you can:

• use the design as shown

• adapt it to suit your garden

• obtain planning advice if required

• add Building Regulations information where needed

• request builder quotations

• source products and materials

• control the final build cost
   

Choose the design. Control the build. Keep more of the budget.
 

Browse Our Garden Room Designs

Explore the APN Garden Rooms collections and find the design that works for your space, your lifestyle and your budget.