LONDON--(BUSINESS WIRE)--Jun 11, 2026--
The Harley Street Health District has today launched its first annual impact report, demonstrating significant growth in market value and private healthcare activity.
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For the first time, The Harley Street Health District 2026 Impact Report, looks at the combined market value of the activity conducted by the District’s occupiers and the changes in clinical trends over the last 12 months. Under the guidance of The Howard de Walden Estate, landlord and long-term steward of the Harley Street Health District brand, the District has seen significant growth across multiple measures.
Spanning 95 acres of Marylebone, the historic District has grown into a thriving private healthcare ecosystem with nearly 300 occupiers. Key healthcare organisations within the District include HCA Healthcare UK, The London Clinic with Northwestern, Welbeck Health Partners, Mayo Clinic Healthcare, Cleveland Clinic, King Edward VII, Cedars-Sinai, Fortius, Weymouth Clinic and NHS Private Patient Units.
In addition to economic growth, the District has seen significant growth in private chemotherapy activity.
Responding to The Harley Street Health District 2026 Impact Report, Mark Kildea, Chief Executive of The Howard de Walden Estate said:
“For over 150 years Harley Street has been synonymous with quality healthcare. Today, it is evolving into a powerhouse of innovation, collaboration and economic growth. Our Impact Report demonstrates that the District is booming, driving real market value and positive change across the UK healthcare system. We are just getting started, with new occupiers and developments happening constantly and we look forward to further growth and innovation to come.”
The Rt Hon Lord Kakkar KG KBE, Emeritus Professor of Surgery at University College London and said:
“These results underline the important economic and clinical impact of the Harley Street Health District. Uniquely positioned in the centre of London, the District has the potential to serve global healthcare, attracting international patients, world-leading providers and inward investment, and strengthening the UK’s position as a destination for both care and innovation.”
Harley Street Health District has been the home of health since 1860. To find out more visit https://harleystreethealthdistrict.com/
NOTES TO EDITORS
About Harley Street Health District:
The Harley Street Health District is a historic and ever-evolving ecosystem, shaping and delivering world-class whole health support from a single postcode in London’s iconic heart. Situated between UCLH, Guy’s & St Thomas’ and Imperial, with leading universities just minutes away, the District’s unique positioning turns geography into global collaboration and holistic healthcare impact.
The District is home to over 2,500 consultants, many of whom work across both NHS and private settings. Key occupiers include HCA Healthcare UK, The London Clinic with Northwestern, Welbeck Health Partners, Mayo Clinic Healthcare, Cleveland Clinic, King Edward VII, Cedars-Sinai, Fortius, Weymouth Clinic and NHS Private Patient Units.
For more information visit harleystreethealthdistrict.com
About The Howard de Walden Estate
The Howard de Walden Estate manages a portfolio of over 800 property interests, the majority of which are freehold-owned, in a 95-acre area of Marylebone, central London. This portfolio spans healthcare, residential, office, retail & leisure, and education sectors.
Howard de Walden’s purpose is to create the environment for Marylebone to flourish. Howard de Walden strives to enhance the community through its responsible stewardship, excellent service and unique offering, so Marylebone remains a coveted place for generations to come.
The business is based around the management of a large portfolio of rental properties, but activities extend far beyond those of most landlords. With roots in Marylebone that extend back several centuries, Howard de Walden is thoroughly invested in the progress of the entire area - its success reflects the success of the community it serves.
For more information visit https://www.hdwe.co.uk/about-us/the-estate
Harley Street road sign
Damaging storms swept through the Midwest, knocking out power to hundreds of thousands of customers and causing more than a thousand flight delays or cancellations at Chicago airports with more potentially severe weather expected Thursday.
The National Weather Service said it received more than a dozen reports of tornadoes Wednesday across northern Missouri, Iowa, Kansas and Illinois. There were no immediate reports of injuries or deaths.
Weather service meteorologist Frank Pereira said the frontal system that produced the storms, including high winds and hail, was moving eastward Thursday. There was also a slight risk of severe thunderstorms in parts of the Northeast and mid-Atlantic, where expected high heat and humidity spurred heat advisories by the weather service for Thursday and Friday.
The storms are being fueled by cool air from Canada clashing with warm, humid air from the South.
“Going forward, we’re expecting another area of severe weather to develop across portions of the central Plains, Midwest, particularly from Iowa, northern Missouri, northeastward through the Great Lakes,” Pereira said. “Again, it’s all tied into a pretty well-defined frontal system.”
Potentially dangerous heat and high humidity also was forecast Thursday and Friday for a swath of the East Coast from the mid-Atlantic to the Northeast, where daily high record temperatures could be broken in numerous places, the weather service said. Temperatures in the mid-90s Fahrenheit (mid-30s Celsius) were expected, but with the humidity it could feel like 100 degrees Fahrenheit (38 degrees Celsius) or more, the service said.
Philadelphia declared a heat health emergency for Thursday and Friday, activating cooling centers, home visits by field teams, outreach to people experiencing homelessness and other services. New York City officials were also urging residents to take precautions, including drinking plenty of water and finding a cool place to stay if they do not have air conditioning.
Wednesday storms moved into the Chicago area in the afternoon, downing trees and damaging some buildings.
The two major Chicago airports, Chicago O’Hare International Airport and Chicago Midway International Airport, temporarily put all flights on hold in the evening due to thunderstorms. A similar ground stop was issued at John F. Kennedy International Airport in New York due to thunderstorms.
By Wednesday evening, more than 1,000 flights going into and out of Chicago had been delayed or canceled, according to FlightAware, a flight tracking website.
Air traffic appeared to return to normal Thursday morning, with only 24 flight cancellations and 34 delays nationwide, FlightAware reported.
Strong winds blew part of the roof off an apartment building in the Chicago area, forcing residents to leave, according to NBC 5 Chicago. Elsewhere, barns collapsed in Wisconsin, buildings were crushed in rural northern Missouri and some large trees and power lines were downed in other areas across the Midwest, photos and video online showed.
Around 390,000 customers had no electricity in the Midwest on Thursday. There were nearly 226,000 outages in Illinois, including around 150,000 in Cook County, while 85,000 homes and businesses were without power in Michigan, according to poweroutage.us.
Commonwealth Edison Company, which provides electric service across northern Illinois, said the storms had downed poles and wires.
“We know this is challenging and will restore service as safely and quickly as conditions allow,” the company said in a post on X.
The storms soaked Rate Field in Chicago before Wednesday night’s game between the White Sox and the Atlanta Braves.
The story has been updated to correct the name of the White Sox stadium to Rate Field, from Guaranteed Rate Field.
Associated Press reporter Dave Collins contributed from Hartford, Connecticut.
This frame grab from video shows a downed tree after storms struck Amherst, Ohio, west of Cleveland on Wednesday, June 10, 2026. (AP Photo/Courtesy WEWS/NEWS5) TELEVISION OUT
Grounds crew remove water from the field after severe thunderstorms came through the Chicago area before a baseball game between the Chicago White Sox and the Atlanta Braves, Wednesday, June 10, 2026, in Chicago. (AP Photo/David Banks)
This frame grab from aerial video shows a building in Stickney, Illinois, after its roof was damaged by the severe storms that struck the Chicago area on Wednesday, June 10, 2026. (AP Photo/Courtesy WMAQ-TV in Chicago) TELEVISION OUT
