Orangery vs Conservatory: UK Trends, Costs & What's Popular in 2025

The orangery vs conservatory debate has dominated UK home improvement discussions for years, but 2025 is bringing fresh perspectives to this classic dilemma. We're seeing dramatic shifts in what homeowners actually want from their garden extensions, with thermal performance now trumping square footage and hybrid designs blurring the lines between traditional categories. ## Key Takeaways Modern conservatories are moving away from all-glass designs toward solid roofs with minimal glazing, effectively becoming insulated garden rooms Orangeries now start from around £25,000–£35,000 (up 12% from 2023), while quality conservatories range from £8,000–£22,000 depending on specification Retrofit roof replacements are the fastest-growing segment, with homeowners converting old conservatories rather than building new Planning permission rules remain generous for both, but Building Regulations Part L now drives design choices more than aesthetics The "lifestyle room" concept is replacing traditional conservatories, with year-round usability the primary concern ## What Is the Difference Between an Orangery and Conservatory? The technical distinction has become muddier in 2025, but the fundamentals still matter. A traditional conservatory features a glazed roof (typically at least 75% glass or polycarbonate) and predominantly glazed walls. Orangeries have solid perimeter walls with brick pillars, flat roof sections with a glazed lantern, and generally no more than 50% glass on the roof