In Otwock, near Warsaw, a thorough renovation of the historic Bojarów manor house – a site of great historical significance in Mazovia – has begun. The building was once home to one of Poland’s first centres promoting healthy eating, but had been falling into disrepair for several decades. Now, thanks to the commitment of Władysław Grochowski, chairman of the Arche Group, it has a chance to regain its former glory. The property renovation project will encompass the historic Bojarów manor house, as well as the construction of a residential estate and accommodation for senior citizens.
Poland’s historic buildings on the brink of decay
In Poland, there are nearly 80,000 properties listed in the register of historic monuments, many of which are falling into disrepair due to complex regulations and bureaucratic barriers. Władysław Grochowski has been involved in the protection of national heritage for years, calling for legislative changes. His recent initiative, a draft bill on the preservation of historic buildings, is intended to serve as a starting point for a wide-ranging debate on the future of historic buildings in Poland. Meanwhile, the chairman of the Arche Group has undertaken to save another dilapidated building – the 19th-century Bojarów manor house in Otwock.
Photo: Arche Group
The Bojar Manor – history and future
The Bojarów Manor was built in 1883 as part of the Anielin estate, owned by Konstanty Moës Oskragiełło, a doctor and advocate of natural healing methods. His centre treated, among other things, nervous system disorders and rheumatism. After the Second World War, the building housed a school of arts and crafts, which operated until 1990. Over the past few decades, the building gradually fell into disrepair, and in 2014 it was partially destroyed by fire. Now, the Arche Group intends to restore it to its former glory through the “Arche Pokolenia” project, which aims to create a multi-functional housing estate that fosters intergenerational integration. In addition to flats and premises for senior citizens, the complex, covering over two hectares, will feature green terraces, recreational spaces and areas for community engagement. The historic part of the former farmstead will also be restored, preserving its unique architecture.
The Arche Group breathes new life into historic buildings
The Arche Group is Poland’s largest family-owned hotel and property development network, with numerous successful projects to its name, including the Żnin Sugar Factory, Uphagen Manor in Gdańsk and the castle in Janów Podlaski. Thanks to his involvement in projects of great historical and social significance, Władysław Grochowski has received prestigious awards, such as the Nansen Award from the UN and the Indian Mother Teresa of Calcutta Award. The renovation of the Bojar Manor is another step towards protecting Poland’s heritage and creating a modern space that respects history.
Edit dated 14 April 2026.
When we produced this publication in March 2025, we had no knowledge of the form and layout of the new development surrounding the manor house. Today we can see the result, and we are not impressed. The blocks arranged in a circle around the historic building destroy the entire original layout of the site from 150 years ago, which should never have happened. Let us preserve our heritage, but above all with respect.
Source: Grupa Arche
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