French Renaissance Castle Chambord Operation “Rescue” of the François I Wing

Domaine national de Chambord, France

For five centuries, Chambord has stood as one of the crown jewels of world heritage. Today, however, the monument faces a serious threat: the François I Wing, entirely closed to the public, is becoming increasingly fragile —primarily due to climate change. Cracks, foundation instability, and roof deterioration are just some of the alarming signs. An estimated €37 million is required to restore this royal Wing, including €12 million for urgent safety measures. Given the scale of this challenge, the commitment of the French State as owner, private patrons, and the Domaine national de Chambord is imperative. To enable all enthusiasts to play their part, Chambord has launched a global fundraising campaign on September 19th, 2025: “Save the François I Wing — Become a Guardian Angel of Chambord.”

Chambord 2026 © Valentin Pacaut
A global appeal for donations

As a public industrial and commercial institution, Chambord is a pioneer in diversifying its resources, achieving a self-financing rate of 105% in 2025 — a level rarely matched by other French public entities. This economic model enables Chambord to cover its operating expenses, including staff salaries, with minimal state support.

The first phase, costing €12 million, is funded by a one-time grant from the Ministry of Culture, supplemented by an equal amount drawn from the institution’s own funds. To finance the remainder, Chambord is seeking support from patrons and major donors. At the same time, Chambord is appealing to the public through a participatory fundraising campaign launched on September 19th, 2025, during the European Heritage Days, under the theme “Architectural Heritage.”

François I Wing, Chambord © Sophie Lloyd
The French public — whose growing numbers make Chambord the most visited castle in France after Versailles — has demonstrated a deep attachment to this Renaissance masterpiece. Chambord is counting on that bond to help safeguard this unique heritage.

The remaining phases (€15 million and €10 million) require the mobilization of significant resources through a development plan that consolidates revenue and a large-scale sponsorship strategy, both in France and internationally, targeting individuals and businesses.

“Today, we raise a solemn warning to show what is at stake at Chambord goes far beyond its walls. It is about preserving the integrity of a monument listed among France’s first Historic Monuments and listed as a UNESCO World Heritage Site since 1981. Helping us restore this Wing means saving a fragment of the world’s beauty and refusing to let our heritage vanish.”

— Pierre Dubreuil, CEO of the Domaine national de Chambord

François I Wing © Luc Monnet
The François I Wing under threat

Built between 1539 and 1545 on the most waterlogged part of the estate, the François I Wing of the Château de Chambord — home to the king’s private apartments and council chamber — is facing an alarming state of deterioration. Though this issue has been known and documented for over twenty years, its progression has significantly accelerated in recent years.

The first visible signs of structural damage emerged in the early 2000s. Since 2023, nearly the entire wing has been closed to the public for safety reasons. Over the summer, new cracks appeared in the adjoining Robert de Parme Tower, indicating that the stress is now affecting the broader structure.

François I Wing © Leonard de Serres
Studies carried out since 2022 confirm that the deterioration stems from various phases of construction and has been worsened by recent climate-related events. Repeated flooding and prolonged droughts have caused instability in certain floors and structural weakening across the wing.

This situation underscores the deep interdependence between the castle and its surrounding natural environment. Preserving the ecosystem — particularly the natural water system of forest ponds, streams, and wetlands — is now vital to safeguarding Chambord’s architectural heritage.

“Floors, foundations, roofing — restoring the François I Wing means undertaking a comprehensive overhaul. This project marks the beginning of a wider plan for development and renewal. Conservation, visitor experience, enhancement of natural spaces — the François I Wing sets the stage for a major transformation. It is our responsibility to preserve and pass on this legacy”

—Pierre Dubreuil, CEO of the Domaine national de Chambord

Works in the François I Wing © Leonard de Serres
A €37 million project for the future

Under the supervision of Maël de Quelen, Chief Architect for Historic Monuments, this ambitious restoration project is set to begin in 2026, starting with essential safety and emergency works. At the same time, a full restoration of the François I Wing will be launched. Key phases of the project will include structural consolidation of the masonry, restoration of Renaissance sculptures, and reconstruction of the timber roof using traditional period techniques. A third phase will focus on reimagining the museum layout and scenography.

By 2032, the François I Wing will once again be open to the public through a redesigned visitor circuit. The new exhibition will shed light on the life and reign of King François I, who commissioned the castle, and on the key figures of the Renaissance. The space will also serve as a platform for dialogue and exploration of the “New Renaissances” — the major cultural, environmental, and societal challenges of the 21st century.

François I Wing
A new auditorium will be built to host a wide range of events — conferences, symposia, and concerts — welcoming thinkers, scientists, artists, and economic stakeholders. The restored Wing will become a space for reflection and exchange, exploring the relationship between humanity and nature, and fostering a renewed sense of humanism.

This transformative initiative is part of Chambord’s Master Plan for Restoration and Development, currently in preparation. The plan will guide and prioritize work across the estate over the next decade, including:

The castle itself
Marshal Saxe’s stables
The surrounding grounds
The vast forest estate

French Renaissance Castle Chambord
Operation “Rescue” of the François I Wing

Domaine national de Chambord, France

For five centuries, Chambord has stood as one of the crown jewels of world heritage. Today, however, the monument faces a serious threat: the François I Wing, entirely closed to the public, is becoming increasingly fragile —primarily due to climate change. Cracks, foundation instability, and roof deterioration are just some of the alarming signs. An estimated €37 million is required to restore this royal Wing, including €12 million for urgent safety measures. Given the scale of this challenge, the commitment of the French State as owner, private patrons, and the Domaine national de Chambord is imperative. To enable all enthusiasts to play their part, Chambord has launched a global fundraising campaign on September 19th, 2025: “Save the François I Wing — Become a Guardian Angel of Chambord.”

Chambord 2026 © Valentin Pacaut
A global appeal for donations

As a public industrial and commercial institution, Chambord is a pioneer in diversifying its resources, achieving a self-financing rate of 105% in 2025 — a level rarely matched by other French public entities. This economic model enables Chambord to cover its operating expenses, including staff salaries, with minimal state support.

The first phase, costing €12 million, is funded by a one-time grant from the Ministry of Culture, supplemented by an equal amount drawn from the institution’s own funds. To finance the remainder, Chambord is seeking support from patrons and major donors. At the same time, Chambord is appealing to the public through a participatory fundraising campaign launched on September 19th, 2025, during the European Heritage Days, under the theme “Architectural Heritage.”

François I Wing, Chambord © Sophie Lloyd
The French public — whose growing numbers make Chambord the most visited castle in France after Versailles — has demonstrated a deep attachment to this Renaissance masterpiece. Chambord is counting on that bond to help safeguard this unique heritage.

The remaining phases (€15 million and €10 million) require the mobilization of significant resources through a development plan that consolidates revenue and a large-scale sponsorship strategy, both in France and internationally, targeting individuals and businesses.

“Today, we raise a solemn warning to show what is at stake at Chambord goes far beyond its walls. It is about preserving the integrity of a monument listed among France’s first Historic Monuments and listed as a UNESCO World Heritage Site since 1981. Helping us restore this Wing means saving a fragment of the world’s beauty and refusing to let our heritage vanish.”

— Pierre Dubreuil, CEO of the Domaine national de Chambord

François I Wing © Luc Monnet
The François I Wing under threat

Built between 1539 and 1545 on the most waterlogged part of the estate, the François I Wing of the Château de Chambord — home to the king’s private apartments and council chamber — is facing an alarming state of deterioration. Though this issue has been known and documented for over twenty years, its progression has significantly accelerated in recent years.

The first visible signs of structural damage emerged in the early 2000s. Since 2023, nearly the entire wing has been closed to the public for safety reasons. Over the summer, new cracks appeared in the adjoining Robert de Parme Tower, indicating that the stress is now affecting the broader structure.

François I Wing © Leonard de Serres
Studies carried out since 2022 confirm that the deterioration stems from various phases of construction and has been worsened by recent climate-related events. Repeated flooding and prolonged droughts have caused instability in certain floors and structural weakening across the wing.

This situation underscores the deep interdependence between the castle and its surrounding natural environment. Preserving the ecosystem — particularly the natural water system of forest ponds, streams, and wetlands — is now vital to safeguarding Chambord’s architectural heritage.

“Floors, foundations, roofing — restoring the François I Wing means undertaking a comprehensive overhaul. This project marks the beginning of a wider plan for development and renewal. Conservation, visitor experience, enhancement of natural spaces — the François I Wing sets the stage for a major transformation. It is our responsibility to preserve and pass on this legacy”

—Pierre Dubreuil, CEO of the Domaine national de Chambord

Works in the François I Wing © Leonard de Serres
A €37 million project for the future

Under the supervision of Maël de Quelen, Chief Architect for Historic Monuments, this ambitious restoration project is set to begin in 2026, starting with essential safety and emergency works. At the same time, a full restoration of the François I Wing will be launched. Key phases of the project will include structural consolidation of the masonry, restoration of Renaissance sculptures, and reconstruction of the timber roof using traditional period techniques. A third phase will focus on reimagining the museum layout and scenography.

By 2032, the François I Wing will once again be open to the public through a redesigned visitor circuit. The new exhibition will shed light on the life and reign of King François I, who commissioned the castle, and on the key figures of the Renaissance. The space will also serve as a platform for dialogue and exploration of the “New Renaissances” — the major cultural, environmental, and societal challenges of the 21st century.

François I Wing
A new auditorium will be built to host a wide range of events — conferences, symposia, and concerts — welcoming thinkers, scientists, artists, and economic stakeholders. The restored Wing will become a space for reflection and exchange, exploring the relationship between humanity and nature, and fostering a renewed sense of humanism.

This transformative initiative is part of Chambord’s Master Plan for Restoration and Development, currently in preparation. The plan will guide and prioritize work across the estate over the next decade, including:

The castle itself
Marshal Saxe’s stables
The surrounding grounds
The vast forest estate

François I Wing © Leonard de Serres
Phase 1 – Safety measures: €12 million

Structural consolidation essential to preserving the integrity of the castle: regeneration of foundations, treatment of cracks, chaining of beams, reinforcement of partition walls and floors

Phase 2 – Complete restoration: €15 million

Restoration of the facades, roofing, sculptures, and potentially accessibility improvements for people with reduced mobility.

Phase 3 – Museography and scenography: €10 million

Museographic circuit covering the highlights of François I’s reign, knight king, humanist king, prince of the Renaissance, patron of the arts and letters, father of hunters.

François I Wing, Chambord – Illustration © Agence Mael de Quelen
Maël de Quélen, new Chief Architect for Historic Monuments at Chambord

On March 19th, 2025, the French Ministry of Culture appointed Maël de Quélen as Chief Architect for Historic Monuments for the Château de Chambord. A renowned specialist in the restoration of French heritage, Maël de Quélen has overseen major conservation projects, including work at the Palais du Luxembourg and the Medici Fountain in Paris. Her in-depth knowledge of the Loir-et-Cher region is a key asset for Chambord, where she now takes over from François Chatillon and Philippe Villeneuve — respectively appointed to lead the restoration of the Louvre and Notre-Dame de Paris. Her appointment marks a new chapter in the conservation of one of France’s most iconic landmarks, as Chambord embarks on an ambitious restoration and transformation plan for the coming decade.

Pratical Information

Chambord: Operation “Rescue” of the François I Wing

Domaine national de Chambord
41250 Chambord
Accessible from Paris via the A10 highway or Austerlitz train station

Opening hours :
March 20 to 27: 9 a.m. to 5 p.m.;
March 28 to June 21: 9 a.m. to 6 p.m.

Full price €31 (€21 for EEA nationals/residents)/
Reduced price €28.50 (€18.50 for EEA nationals/residents, with valid documentation)
Free admission for visitors under 18 years old and EU citizens under 26.
www.chambord.org