The choice between an orangery, garden room, conservatory or extension isn't just aesthetic - it's about creating a space that bridges indoor and outdoor living perfectly.

When considering adding extra space to your home, the variety of glazed options available can seem overwhelming. Each type of structure has its own characteristics, benefits and ideal uses, making understanding the differences crucial for making the right choice for your home.

Image: Westbury Garden Rooms

Orangeries

Originally designed to nurture citrus trees through British winters, orangeries have evolved into elegant hybrid structures that offer the perfect balance between a traditional extension and a conservatory. Characterised by their solid brick base, substantial columns, and a flat perimeter roof with a central glazed lantern, orangeries typically feature less glass than conservatories - usually 75% or less of the roof.

The proportion of solid construction in an orangery provides excellent temperature regulation and sound insulation. This makes them particularly suitable for kitchen-diners or sitting rooms where comfort is paramount throughout the year. Their architectural heritage often makes them an attractive option for period properties.

Each type of glazed structure offers distinct advantages in light, temperature, and garden connection - understanding these differences is key to choosing the right option.

Image: David Salisbury

Garden Rooms

Garden rooms represent a more contemporary approach to glazed living space. Unlike conservatories, they typically feature a solid, well-insulated roof with strategic glazing to maximise light whilst maintaining comfortable temperatures. The walls often combine full-height glazing with solid panels, creating a modern aesthetic.

Image: Vale Garden Houses

Conservatories

Perhaps the most familiar of glazed additions, conservatories are predominantly glass structures with dwarf walls or full-height glazing and a pitched, glazed roof. Modern conservatories must comply with current building regulations regarding thermal efficiency, making them far more usable than their predecessors.

Image: Fraher and Findlay Architects

Extensions

A traditional extension, while potentially incorporating significant glazing, is fundamentally a continuation of the main house structure. Built to the same standards as the original property, extensions offer the most flexibility in terms of design and use. They typically feature solid walls and a conventional roof, though modern extensions often incorporate large glass panels or sliding doors.

Several factors should influence your decision between these options. Budget plays a significant role - orangeries typically cost more than conservatories but less than full extensions. Planning constraints might limit your choices, particularly in conservation areas or listed buildings.

Consider how you'll use the space throughout the year. If you're looking for a summer room with maximum garden views, a conservatory might be perfect. For a year-round kitchen extension, an orangery could provide the ideal balance of light and comfort. If you need a highly insulated space for a home office, a garden room might be the answer.