London Hospital Creates Innovative Outdoor Ward for Critically Ill Patients

A hospital in the United Kingdom has taken a historic step in patient care by introducing an outdoor medical environment to give critically ill patients access to sunlight, greenery  and outdoor air.¹

King’s College Hospital in south London recently opened a purpose-built rooftop critical care garden directly integrated into its intensive care infrastructure. This facility marks the first time a British hospital has established an outdoor ward capable of supporting the country’s most critically ill patients.² Health care experts view this project as a potential blueprint for the future of clinical environments worldwide.³

Bridging Nature and Critical Care

The innovative rooftop facility integrates directly into the hospital’s existing 60-bed intensive care unit.⁴ This unit ranks as one of the largest intensive care facilities in the U.K. and Europe.⁵ The specialized outdoor ward sits on top of the critical care unit and accommodates up to six patient beds simultaneously. To ensure patient safety, engineers installed a protective canopy design along with weatherproof medical cabinets next to each bed space. These cabinets house vital power, data, and medical gas supplies similar to standard indoor care. Designed as an extension of the critical care unit, the setup allows patients to receive full life support while safely spending hours in the open air.^{6 7}

A Critically Ill Patient’s Perspective on Recovery

Hollie Allan, a 29-year-old patient awaiting a crucial heart surgery, became the first person to experience the rooftop ward. Prior to the garden’s opening, Allan’s severe medical condition had prevented her from going outside for months, even before her official hospital admission.

Upon entering the sunlit rooftop, Allan expressed deep emotional relief after being confined indoors for an extended period. She noted that prolonged isolation inside a standard ward drains a patient’s motivation to fight for a normal life. Medical professionals emphasize that feeling natural elements helps patients readjust after the institutionalizing experience of long-term hospitalization.⁸

Addressing Delirium and Mental Well-being

Clinical experts point out that treating a patient requires addressing both the mind and the body. Dr. Tom Best, Clinical Director of King’s Critical Care, explained that the most seriously ill patients frequently spend weeks or months receiving highly invasive treatments in a closed building setting. This clinical isolation often causes patients to experience frightening hallucinations or delirium, which heavily delays their physical recovery.

Hospital data and research show that exposure to fresh air, greenery, and natural light reduces delirium, lowers blood pressure, and significantly lifts the spirits of vulnerable individuals who have been sick a long time. He stated:

It’s important to treat the whole person and this outdoor critical care unit helps meet our goal of caring for the mind as well as the body.⁹

Sensory Design and Therapeutic Benefits

Award-winning garden designers Sarah Price and the late Nigel Dunnett curated the sensory experience of the rooftop garden.  The duo previously collaborated on the landscape design for the London 2012 Olympic Park. The beds are surrounded by a variety of textured foliage, grasses, and scented flowers, including jasmine, honeysuckle, lavender, woodland sage, and sour cherry trees. “It’s the “antithesis of a hospital ward,” Price said.¹⁰

The intentional planting strategy also incorporates aromatic species like rosemary and oregano alongside tactile plants such as lamb’s ear. This low-maintenance design encourages active engagement rather than passive observation, allowing patients to touch and smell the plants from their beds.¹¹ “You can see the change not only on their face, but just in the way that they breathe,” added Price.¹²

Funding Innovation and Researching Outcomes

King’s College Hospital Charity raised a £2 million donation to fund the visionary project, with additional support coming from the hospital trust. Iona Joy, Director of Grants and Insight at the charity, stated that the initiative transforms intensive care into compassionate care by combining technology with empathy.¹³

Moving forward, the critical care team will conduct ongoing research to track patients’ long-term physical, cognitive, and psychological outcomes. Clinicians plan to study heart rates, respiratory rates, and pain levels to scientifically evaluate if the space reduces overall hospital stays.¹⁴

Furthermore, the rooftop serves as a vital sanctuary for medical staff and families to manage high stress levels.¹⁵ Clive Kay, Chief Executive of King’s College Hospital NHS Foundation Trust, hopes the project serves as a milestone dedicated to dignity and hope for those facing life-threatening conditions.

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