Conversion of Inda-Gymnasium from G8 to G9
Extension building
Current: Construction site photos November 2025
Extension building
RoA Rongenarchitekten PartG mbB
Occasion and goal
On the basis of the 13th School Law Amendment Act passed by the NRW state parliament on July 11, 2018, the duration of the educational courses at secondary level I was revised. All eight municipal grammar schools in Aachen have decided to switch to nine years (G9). By the 2026/2027 school year, all year groups will once again be taught according to the new curricula.
Key data
- Two-storey extension
- Implementation during ongoing operations
- 6 classrooms, 2 multifunctional rooms
- 4 adjoining rooms
- PV system
- Heat supply: planned geothermal energy
- Climate-neutral operation
- increased Aachen standard
- Start: February 2024
Construction site photos
November 2025 Insulation curtain walling + fine installations Technology
The insulation work on the curtain walls has been completed. Cladding work with fiber cement panels will begin in week 46, 2025.
The installation of the ventilation units and radiators is in progress.September 2025 Plaster + screed + curtain wall
The installation of the PV system has been completed.
The plaster and screed work has been completed.
The curtain walling work has begun. The insulation is currently being installed.August 2025 Photovoltaic modules + facades
The window and façade work is progressing.
The window and façade work is currently underway.
The photovoltaic modules were installed.July 2025 Photovoltaic system + staircase façade
The roof sealing work was completed. The substructure for the photovoltaic elements was installed.
Work on the mullion and transom façades has started. The profiles for the stairwell glazing are currently being installed.June 2025 Shell construction + insulation + installations
The structural work has been completed and the crane has been removed. The roof sealing work is underway.
The laying of the gradient insulation and the waterproofing is in progress.
The installation work for the building services has made further progress.May 2025 Installations + sealing
Preparations were made for the installation work in the existing building to connect the extension.
The vapor barrier or emergency sealing was completed.
The installation work for the building services in the new building has begun.
The installation work for the building services in the new building has begun.April 2025 Shell construction + stairs + attics
The upper floor was completed.
The ceiling above the upper floor has been concreted and the parapets are being installed.
The finished parts of the staircase were laid.
The shell of the connecting corridor has been erected.
The ceiling above the first floor is reinforced.February 2025 Masonry walls
The masonry walls on the ground floor are erected.January 2025 Prefabricated walls
The prefabricated walls on the ground floor are installed.
The existing balcony will be demolished.December 2024 Floor panels
The floor slab of the ground floor is concreted.
The reinforcement of the ground floor slab is being prepared.October 2024 Shell construction basement
The ceiling above the basement is concreted.
The semi-prefabricated walls of the basement have been completed.
The floor slab of the basement has been concreted.July 2024 Site clearance
The construction site has been cleared for the explosive ordnance survey.February 2024 Tree felling
Tree felling in February 2024
Architectural concept
- Two-storey extension with partial basement on building wing 2
- Architecture and design language based on the existing building with a colorful accent
- Room program: 6 classrooms, 2 multifunctional rooms, 2 teaching materials rooms, building services room, storage room
- Glazed connecting element for barrier-free access to the new building and building tracts 1 and 2 with an elevator
- Consideration of a PV system on the new roof area, partial roof areas with a green roof
- Redesign of outdoor facilities with replacement planting
© Jägersküpper Fahl 2025
Energy concept
- Compact design
- Structural thermal insulation in accordance with the increased Aachen standard
- Installation of a PV system on the roof, climate neutrality in operation
- Planned conversion of the heat supply to geothermal energy
Further project information
Basic data inventory
The Inda-Gymnasium includes the multi-winged main building from 1973, a science extension from 2007 and a sports hall. Around 1,350 pupils attend the 5-form grammar school.
Building concept
The planned extension will be built between building wing 2 and the sports hall at Romerich.
In order to be able to carry out the work while the school is open, four classes have to be moved out of wing 2 of the building