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A Glasshouse at Trelissick

Artist’s rendering of Trelissick/ Helen Thomas Cookson & Tickner

Royal Oak is raising money to help the National Trust restore the glasshouse in the walled garden at Trelissick in Cornwall.

The historic, horticultural garden will thrive as a fully productive garden once more. Within its walls, with your help, the Trust will pay homage to the garden’s glorious past while creating new relevance for the future, celebrating people, place and produce.

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Artist’s rendering of Trelissick/ Helen Thomas Cookson & Tickner

Preserving Britain's Treasures

Royal Oak provides $4 Million in funding to the Decorative Arts Conservation Studio at Knole enabling the Trust to conserve hundreds of important objects in their collection over the next 5 years.

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Featured Initiatives

Artist’s rendering of Trelissick/ Helen Thomas Cookson & Tickner

2025 Campaign

A Glorious New Glasshouse for Trelissick in Cornwall

In 2025, Royal Oak is raising money to help the National Trust restore the glasshouse in the walled garden at Trelissick in Cornwall.

2025 Annual Fund
Please consider making a gift to Royal Oak today to support educational events, undertake substantial conservation and preservation projects and provide essential scholarship opportunities.
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  • A slight mist rises from the moat at dawn at fourteenth century Bodiam Castle, East Sussex.. ©National Trust Images/David Sellman
  • The South Front at Blickling Estate, Norfolk. ©National Trust Images/Andrew Butler
  • The Orangery and Italian Garden in July at Belton House, Lincolnshire. The Orangery was designed by Wyatville and built in 1819.
  • The Temple of Concord and Victory, in the early morning, at Stowe Landscape Gardens, Buckinghamshire ©National Trust Images/Andrew Butler
  • A view of Chartwell, the home of Sir Winston Churchill, taken from the garden. ©National Trust Images/Ian Shaw
  • The house and garden in May at Clandon Park, Surrey. ©National Trust Images/Beata Moore
  • Aerial view of the Lismore Castle
  • View across the Parterre garden at Blickling with topiary towards the East Front of Blickling Hall, Norfolk ©National Trust Images/Mike Williams
  • Osbourne House - English-Heritage
  • View through the Italianate Garden to the Rotunda at Ickworth, Suffolk ©National Trust Images/Arnhel de Serra
  • A slight mist rises from the moat at dawn at fourteenth century Bodiam Castle, East Sussex.. ©National Trust Images/David Sellman
  • The South Front at Blickling Estate, Norfolk. ©National Trust Images/Andrew Butler
  • The Orangery and Italian Garden in July at Belton House, Lincolnshire. The Orangery was designed by Wyatville and built in 1819.
  • The Temple of Concord and Victory, in the early morning, at Stowe Landscape Gardens, Buckinghamshire ©National Trust Images/Andrew Butler