The Story of a Townhouse: Tradition Meets Modernity

When Ralf first saw this 19th century townhouse in the historic district of the city, he immediately knew it would be a challenge. The brick facade with its characteristic mansard windows bore traces of time, but retained its dignity. “It was an impulse - I saw this building and thought about all its possibilities. I wanted to restore it to its former glory, while bringing it into the 21st century,” he recalls.

A key insight into the project goes here

When Ralf first saw this 19th century townhouse in the historic district of the city, he immediately knew it would be a challenge. The brick facade with its characteristic mansard windows bore traces of time, but retained its dignity. “It was an impulse - I saw this building and thought about all its possibilities. I wanted to restore it to its former glory, while bringing it into the 21st century,” he recalls.

Challenge: Preserve history or go with the times?

As a corporate manager accustomed to the implementation of complex projects, Ralf approached the renovation methodically. The biggest challenge was to combine conservation requirements with the ambition to create an energy-efficient building. “In our state there are very strict regulations regarding the installation of photovoltaic installations on historic buildings. However, I wanted to find a solution that would reduce energy costs for all residents.”

Breakthrough: Discovery of eTile Flat

The turning point turned out to be a consultation with an energy advisor. “He presented me with a solution that I had never heard of before - the eTile Flat solar roof. The key for me was that the system is virtually invisible from street level,” says Ralf.

After receiving a sample of the material and a detailed presentation by the Electrotile consultant, even the historic conservator had to admit that the solution blends perfectly with the historic character of the building. The anthracite-colored hemming plate harmonizes harmoniously with the original architecture, while discreetly producing energy.

Execution: Every detail counts

The renovation project included not only the installation of a solar roof, but a comprehensive energy modernization of the building. Thanks to a grant from KfW, it was possible to carry out a complete renovation of the roof structure and insulation of the basement and attic.

The eTile Flat system with a capacity of 12 kWp was installed in the east-west layout, which proved to be the optimal solution for urban development. “At first I was worried about whether such a system would be efficient enough, but the reality surprised me positively - the installation covers about half of the energy demand of the entire building,” explains Ralf.

Life after renovation

Today, living with his family on the top two floors of a townhouse, Ralf can watch his vision come true. “Tenants appreciate lower electricity bills, and passers-by often stop to admire the renovated facade. No one guesses that under the elegant roof hides a modern solar power plant,” he says proudly.

“This shows that we don't have to choose between preserving cultural heritage and innovation. One can connect one with the other, maintaining respect for history and at the same time thinking about the future”, concludes Ralf.

Technical data of the project:

  • System: eTile Flat in east-west layout
  • Installation power: 12 kWp
  • Coverage of demand: approximately 50% of the total energy consumption of the building
  • Special Features: Integration with Historic Architecture, Historic Preserver Acceptance
  • Additional Modernizations: Renovation of the roof structure, insulation of the basement and attic
  • Funding: KfW grant for energy modernisation

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Klient
Nom complet
Datum
Marzo 2023
Roles
Nom de rol
Webbplats
www.relume.io
Other Inspirations:

Architectural Styles

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The Story of a Townhouse: Tradition Meets Modernity

When Ralf first saw this 19th century townhouse in the historic district of the city, he immediately knew it would be a challenge. The brick facade with its characteristic mansard windows bore traces of time, but retained its dignity. “It was an impulse - I saw this building and thought about all its possibilities. I wanted to restore it to its former glory, while bringing it into the 21st century,” he recalls.
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