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A conservatory is predominantly glass — usually a fully or mostly glazed pitched roof and walls with large glazed areas for maximum daylight and garden views. An orangery looks and feels more like a traditional extension — it has a flat/solid perimeter roof with a central roof lantern, more masonry/brick piers, and a plastered interior ceiling, so it’s typically better insulated and more “room‑like”.
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The main differences between an Orangery and a Conservatory are the base and the roof. Orangeries typically have a brick base and a flat perimeter roof with a centralised roof lantern whilst conservatories typically have a centralised pitched roof and a frame construction that goes from the ground directly up to the pitched roof edge with no perimeter.
An orangery is a more substantial, extension‑like structure with a brick base and piers (or timber posts), a flat perimeter roof and a central glazed lantern. Inside, the flat roof forms a plastered ceiling that can house downlights and wiring, giving a refined, room‑like finish.
Pros
• Strong, integrated architectural look that blends with the main house.
• Better insulation and temperature stability for year‑round use.
• Ideal for kitchens, dining rooms or multi‑use living spaces.
Considerations
• Typically higher cost and a more involved build than a like‑for‑like conservatory.
A conservatory is a bright, glass‑led space that usually connects to the house on one wall and is topped with a glazed pitched roof. Frames run from the base up to the roof with minimal masonry to maximise views and natural light. Modern conservatories often use uPVC or aluminium for cost‑effective, low‑maintenance performance; timber is chosen for premium aesthetics.
Pros
• Floods the home with natural light and garden views.
• Generally faster to install and lower initial cost than an orangery.
• Wide choice of styles (Victorian, Edwardian, lean‑to, gable, etc.).
Considerations
• Larger expanses of glass can mean greater heat loss in winter and potential overheating in summer if not specified carefully.
• May need additional heating/cooling or solar‑control glazing to improve comfort.
1) Roof structure & light
• Conservatory: pitched roof with extensive glazing for maximum sky views and daylight.
• Orangery: flat/solid perimeter roof with a roof lantern. You still get uplifting top light, but with a more controlled, ambient feel and easier placement of downlights in the plastered ceiling.
2) Walls & materials
• Conservatory: predominantly glazed walls with slim frames; minimal masonry. Common frame choices: uPVC, aluminium, or timber.
• Orangery: more masonry/brick piers or timber posts between glazed screens and doors. Timber is popular for a premium, traditional look; uPVC and aluminium are options too.
3) Energy efficiency & comfort
With more solid roof and wall elements, orangeries generally maintain temperature more easily. Modern conservatories can close the gap using solar‑control/low‑E glass, warm‑edge spacers, trickle vents and, where appropriate, upgraded roof systems — but very large glazed areas can still be harder to heat/cool.
4) Cost drivers
Orangeries are normally more expensive because of the additional structure (brickwork/piers, flat roof build‑up, lantern, interior finish). Conservatories are typically more cost‑effective due to simpler construction and higher glazing ratios.
5) Best‑fit use cases
• Choose a conservatory if you want the brightest garden‑room feel and a more budget‑friendly way to add space.
• Choose an orangery if you want a year‑round, integrated room (e.g. kitchen/diner), stronger insulation, and a premium architectural finish.
Rules depend on your property and the design. Many projects fall under Permitted Development if they meet size and position limits. Building Regulations can still apply, especially for structural openings, thermal performance and electrics. Always check locally before ordering.
Orangeries tend to be more expensive over Conservatories due to the size, style and construction involved. Conservatories can start from as little as £5000 from smaller independent conservatory companies. Wooden conservatories can start from £10,000 but expect to pay more per sq. ft over UPVC. Conservatory Costs in the UK typically start from £10,000.
Hardwood Orangeries can start from £7995 and range up to £100,000 plus depending on style. More decadent Orangeries can cost £50,000 – £100,000+.
To give an idea, a basic 4m x 4m Orangery in a basic finish could cost around £20,000. In the UK standard Orangery Costs are around £19,000.
The cost is entirely dependent on the size, choice of materials, styles, features & more.
Ask yourself:
• What will you use the room for most of the year? (reading lounge vs kitchen/dining)
• Do you prefer maximum daylight and sky views, or a cosier, integrated interior feel?
• What’s your target budget and timeframe?
• Do you need enhanced insulation for year‑round comfort?
If you’re unsure, send us photos and a rough size — we’ll suggest the best route and specification.
Sometimes. Many small/medium orangeries can be built under Permitted Development if they meet the rules for height, depth and position, but Building Regulations may still apply. We’ll advise once we’ve seen your property details.
Generally yes — an orangery’s mix of solid roof/walls and the central lantern makes it easier to insulate and control temperatures. High‑spec glass and ventilation keep both options comfortable.
Yes. Options include solar‑control or low‑E glazing, upgraded roof systems, trickle ventilation and appropriate heating/cooling. We’ll propose a specification based on your room’s size and orientation.
It depends on quality and fit with the house. A well‑designed orangery often feels like a natural extension and can command stronger resale appeal. A well‑sited, quality conservatory also adds value, especially with good energy performance.
Whether you’re leaning toward a bright conservatory or a more integrated orangery, our design team can help you compare options, costs and timescales for your home.
Call 0333 335 5051 or request a fast quote. You can also visit our showrooms to see roof lanterns, frames and finishes up close.
Would you like a free, no obligation instant quote? Call us on 0333 335 5051 or fill out our online form to get an idea of costs.