3 March 2025

Are Orangeries Energy-Efficient?

Are Orangeries Energy-Efficient?

Written by Paul Davies

 

With the latest gloomy predictions of a five per cent rise in household heating bills by April 2025, it’s no surprise that any homeowner considering an extension will be more than concerned about any potential hike in heating their new abode.

Added to this is the question of the environment. If we are planning to build on our existing property, shouldn’t we be looking at the most eco-friendly solution we can?

If you’re considering a new build and both these issues are running through your mind, why not consider investing in a timber orangery? An increasingly popular choice among homeowners in the know, an orangery is a superb addition to all styles of home.

What is an orangery?

orangeries stow on the woldOrangeries are home extensions with large windows and glass-lanterned flat roofs, and originated in the 17th century to protect exotic fruit trees.  Initially status symbols for the aristocracy, these structures evolved, incorporating more glass and leading to the development of conservatories. Today, modern orangeries blend extension and conservatory elements, featuring less glass and roof lanterns for light and energy efficiency.

Orangery construction

Unlike traditional conservatories that feature mostly glass construction, orangeries combine solid brick bases with large windows and lantern roofs. This fundamental design creates several important benefits for energy efficiency. Firstly, solid walls provide superior insulation compared to glass construction, reducing heat loss through the structure. By incorporating roof lanterns, natural light is maximised while limiting thermal transfer through the building. Double or triple glazing options enhance the overall thermal performance of the space. The modern frame materials we use offer excellent heat resistance properties. Finally, this balanced design approach helps maintain comfortable temperatures throughout the year.

The role of materials in thermal performance

At The Little Conservatory Company, we specialise in timber orangeries using premium hardwoods including Sapele, Idigbo and Oak. These sustainable materials offer natural insulating properties and exceptional durability. When combined with modern glazing technology, timber frames help create spaces that maintain comfortable temperatures throughout the year.

interior of a timber orangery.

Modern glazing options have evolved significantly from traditional single-glazed panels. Today’s glass technology offers superior heat retention, with options including solar control glass that helps manage excess heat during summer months. This advanced glazing, paired with our quality hardwood frames, creates a space that requires minimal additional heating or cooling.

Seasonal performance and climate control

A well-designed orangery performs efficiently across all seasons. During winter months, the combination of insulated walls and high-performance glazing helps retain heat, reducing energy consumption and heating costs. In summer, strategic ventilation and solar control glass prevent overheating, maintaining a comfortable environment without excessive cooling requirements.

Smart design features for maximum efficiency

Effective orangery design considers several key factors that influence energy efficiency. The roof system plays a crucial role in temperature management, combining solid sections with glazed lanterns to regulate heat while maximising natural light. Strategic placement of windows and doors ensures optimal ventilation and temperature control.

Our designs can incorporate bi-fold or French doors, adding both aesthetic appeal and practical ventilation options. This thoughtful approach to air flow helps maintain good air quality while managing internal temperatures effectively.

Creating your energy-efficient space

When planning your orangery with The Little Conservatory Company, we’ll guide you through all the options that affect thermal performance. Our expertise allows us to create bespoke designs that work effectively in local conditions.

interior of orangery.Whether you’re planning to use your orangery as a home office, dining room or versatile living space, understanding your specific needs helps us optimise the design for energy efficiency. We carefully consider the orientation of your extension, local weather patterns, your intended use of the space, preferred heating and cooling methods, and all building regulations and thermal requirements.

Long-term benefits

An energy-efficient orangery isn’t just about immediate comfort – it’s an investment in your property’s future. Proper thermal performance means lower running costs, reduced energy consumption and a more sustainable home extension. The combination of traditional timber construction, modern glazing technology and our premium hardwood frames creates a space that’s both beautiful and practical.

For a detailed discussion about creating an energy-efficient timber orangery for your property, contact us today. We’ll help you understand how our materials and design approach can create a comfortable, efficient space that adds value to your home while keeping running costs manageable.

A Lantern roof of a conservatory

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Reach out to our approachable Cheltenham team through our convenient online form. We’re here to answer your questions and make communication effortless. Let us help bring your vision of a modern conservatory or creative living space to life!

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