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Umbau von Einfamilienhäusern: „Mindestens 20 Prozent zurückhalten“ – Architekt rät zu Puffer beim Hausumbau
Wer eine Bestandsimmobilie saniert, kalkuliert oft zu knapp. Ein Architekt erläutert die Notwendigkeit finanzieller Reserven und warum Zeitdruck bei Handwerkern fatale Folgen hat.

Einfamilienhaus vor dem Umbau und danach, umgestaltet von dem Architektenpaar Holger Hoffmann und Daniela Hake vom Büro one fine day.
one fine day/Marie Kreibich
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