Description
Janssens KATHEDRAL glass greenhouse – orangery is a professional line glass greenhouse – orangery from the Belgian manufacturer Janssens, the message of which is embodied in its name. The design is inspired by Italy, the roof structure shows a subtle mannerist style. For extravagant gardens, public outdoor spaces, sanctuaries and historical gardens, where the massive structure will complement or highlight other elements in the garden.
Janssens has developed a special profile system, where the roof structure is based on massive load-bearing aluminum beams, the roof rafters are reinforced, and the eaves and rainwater gutters are different from smaller glass greenhouses, so this construction is completely self-supporting construction and additional supports are not needed inside the glass greenhouse.
Janssens KATHEDRAL glass greenhouse – orangery can be installed on a raised base wall Mur, Retro-style decorative panels or Victorian-style narrow glasses can be added. The glass greenhouse can be free-standing or one of the end walls can be attached to an existing structure, creating a wide orangery – veranda.
DIMENSIONS
- Width: 458cm
- Length: 458cm | 532cm | 605cm | 752cm| 826cm | 900cm
- Wall height: 204cm / 328cm
- Roof ridge height: 267cm / 370cm
- Roof slope: 25 degrees
COLOR
Black, white, fir green or any other RAL color aluminum profiles.
High-quality powder coating is used, which has a long life-time according to Qualicoat standards.
COMPONENTS
This is a custom model, the configuration of which can be freely created by choosing:
- Roof windows
- Side windows – opening or Louvre-style (slatted)
- Doors – one side or double; opening or sliding
It is possible to change the arrangement of doors and windows during assembly.
All glass greenhouses are equipped with water drains and stainless steel screws and nuts.
ADDITIONAL EQUIPMENT
A wide range of additional equipment from the manufacturer is available:
- Roof decoration
- Automatic windows openers
- The low threshold for the entrance door
- Shelves
- Mosquito nets
- Aluminum panel for flue outlet
ADDITIONAL DESIGN ELEMENTS
- Victorian – narrow English-style glasses. The standard width of one glass section is 738mm, the narrow English-style glasses are only 369mm wide. Together with the English-style roof decor, this nuance will bring the scenic English-style mood to your garden. We recommend it especially for English style gardens.
- Retro – this is a special offer from Janssens for gourmets. With two types of decorative retro-style panels, this greenhouse will add a special and vintage feel to the garden space. We recommend choosing for gardens with experience, English-style and historical-style gardens.
- Mur – elevated base of the greenhouse at a height of 20cm, 40cm or 60cm. By choosing the decorative decoration of the raised base, it is possible to match other structures in your garden. The construction of the basic wall is done by separate agreement, it is not included in the price of the greenhouse and assembly.
ACCESSORIES
In our e-shop you will find various useful items that will facilitate the daily care of plants:
- Rain-water barrels
- Self-watering pots
- Solar irrigation systems
- GeoCeramica tiles for greenhouse foundation
ASSEMBLY
For custom models, the assembly price is 20% of the final package amount.
In addition, transportation costs to/from the site are calculated, as well as material costs for creating the foundation, raised beds, garden soil, etc.
Read more below in the Greenhouse assembly section.

















