The Hounslow Conservatory at Chiswick House has been added to Historic England’s ‘Heritage at Risk Register’ giving it another opportunity to be saved. The Grade I listed Conservatory is now closed to the public due to structural fragility and urgent repair needs.
You may recognise the elegant 18th-century Chiswick House from Bridgerton. Especially, in Season 3 Episode 6, ‘Romancing Mr. Bridgerton’. Behind the film and glamour, the Conservatory is crumbling.
Credit: Bridgerton Season 3 Episdode 6
Originally built in 1813, it has undergone major reconstruction three times. The structural issues stem mainly from the timber and glass materials used in the second repair in the 1930s. This changed the entire superstructure of the building.
‘At the moment you’ve just got a pile of rotting wood’
David Jacques OBE, a landscape and garden historian and former trustee at Chiswick House, told City News:
“Since the structure is highly non original, the only thing worth keeping is the door falls and the paths and the surviving plants. The superstructure in cultural terms is worth nothing.”
“At the moment you’ve just got a pile of rotting wood.”
Funding issues
Exact cumulative figures since its opening are not publicly available, but records show multiple rounds of maintenance and refurbishments since the major rebuild in 1934.
Councillor Salman Shaheen, Cabinet Member for Culture, Leisure and Public Spaces at Hounslow Council, hopes its addition to the ‘Heritage at Risk Register’ will help secure the necessary grant funding to return the conservatory to its former glory.
Reports in 2022–2025 highlight that repairing the fragile timber and glass structure could cost £4.5 million.
Director of Chiswick House and Gardens Trust, Xanthe Arvanitakis, has stated they want to find a way to build on excellent work down to transform the Victoria working areas, behind the Conservatory, into artist’s studios.
Asked what he thought Hounslow Council and Chiswick House’s future plans should be, Mr Jacques responded: “What I think would be a crime is if they’d really tried to reconstruct it yet again in the 1934 form.”
Instead, he suggested, “a new superstructure in modern materials, but reflecting as much as possible the original 1813 design.”
‘UK heritage is in worse condition than it’s been for 50 years’
Simon Thurley, Chair of the National Lottery Heritage Fund, said in April 2025 that “heritage is in worse condition than it’s been for 50 years”, suggesting widespread disrepair in museums, galleries, and historic building.
Sites like the Chiswick House Conservatory, once vibrant symbols of national pride, now face closure and costly repairs due to structural fragility and chronic underfunding.
With 81% of UK heritage groups citing financial strain as their primary concern, it is clear that without urgent, innovative intervention, the nation risks losing pieces of its history.
Is it worth saving these historic sites, or are we prepared to let centuries of culture, craftsmanship, and collective memory quietly vanish?
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HeadlineChiswick House Conservatory added to Historic England’s ‘Heritage at Risk Register’
Short HeadlineIs Chiswick House's historic Conservatory worth saving?
Standfirst Former Chiswick House trustee and historian discusses Hounslow Conservatory's urgent repairs needs.
The Hounslow Conservatory at Chiswick House has been added to Historic England’s ‘Heritage at Risk Register’ giving it another opportunity to be saved. The Grade I listed Conservatory is now closed to the public due to structural fragility and urgent repair needs.
You may recognise the elegant 18th-century Chiswick House from Bridgerton. Especially, in Season 3 Episode 6, ‘Romancing Mr. Bridgerton’. Behind the film and glamour, the Conservatory is crumbling.
Credit: Bridgerton Season 3 Episdode 6
Originally built in 1813, it has undergone major reconstruction three times. The structural issues stem mainly from the timber and glass materials used in the second repair in the 1930s. This changed the entire superstructure of the building.
‘At the moment you’ve just got a pile of rotting wood’
David Jacques OBE, a landscape and garden historian and former trustee at Chiswick House, told City News:
“Since the structure is highly non original, the only thing worth keeping is the door falls and the paths and the surviving plants. The superstructure in cultural terms is worth nothing.”
“At the moment you’ve just got a pile of rotting wood.”
Funding issues
Exact cumulative figures since its opening are not publicly available, but records show multiple rounds of maintenance and refurbishments since the major rebuild in 1934.
Councillor Salman Shaheen, Cabinet Member for Culture, Leisure and Public Spaces at Hounslow Council, hopes its addition to the ‘Heritage at Risk Register’ will help secure the necessary grant funding to return the conservatory to its former glory.
Reports in 2022–2025 highlight that repairing the fragile timber and glass structure could cost £4.5 million.
Director of Chiswick House and Gardens Trust, Xanthe Arvanitakis, has stated they want to find a way to build on excellent work down to transform the Victoria working areas, behind the Conservatory, into artist’s studios.
Asked what he thought Hounslow Council and Chiswick House’s future plans should be, Mr Jacques responded: “What I think would be a crime is if they’d really tried to reconstruct it yet again in the 1934 form.”
Instead, he suggested, “a new superstructure in modern materials, but reflecting as much as possible the original 1813 design.”
‘UK heritage is in worse condition than it’s been for 50 years’
Simon Thurley, Chair of the National Lottery Heritage Fund, said in April 2025 that “heritage is in worse condition than it’s been for 50 years”, suggesting widespread disrepair in museums, galleries, and historic building.
Sites like the Chiswick House Conservatory, once vibrant symbols of national pride, now face closure and costly repairs due to structural fragility and chronic underfunding.
With 81% of UK heritage groups citing financial strain as their primary concern, it is clear that without urgent, innovative intervention, the nation risks losing pieces of its history.
Is it worth saving these historic sites, or are we prepared to let centuries of culture, craftsmanship, and collective memory quietly vanish?
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