Modern Glass Box Extension

Costs, Warmth, Planning, and Real-World Tips for your perfcect Glass Extension

Thinking about a glass box extension? Learn why some feel cold and how high-performance glazing, insulated detailing and smart heating create year-round comfort.

In recent years, glass rooms have rapidly evolved from a luxury addition to a mainstream aspiration for UK homeowners.

When it comes to expanding your living space, the choice often comes down to two main options: a glass extension or a traditional brick-and-mortar extension. Both can completely transform your home.

Adding a glass box extension is one of the most effective ways to transform your home — both visually and functionally. These striking, contemporary structures flood interiors with natural light, connect living spaces to the outdoors, and add significant value to your property.

📍 Derbyshire