7,500+
scientists, engineers and innovators
scientists, engineers and innovators
of scientific infrastructure
acres in Oxfordshire
organisations on site

Over 200+ organisations on site

Our unique constellation of national facilities are part of a vibrant ecosystem where scientists take small steps and giant leaps forward every day.
Harwell has always blown the world of science wide open. For over three quarters of a century we’ve advanced human understanding of the forces that govern our universe. We have created a unique environment where perspectives, notions and methods can be exchanged across traditional divides.

Pioneers and experts work side by side at Harwell to deliver innovation across the worlds of science and technology. Start-ups, scale-ups and leading companies are part of a vibrant community of some of the planet’s most enlightened businesses and brightest minds.
5th Jun
19:00 – 20:00 | TBC
Join us for a fascinating talk as part of Talking Science, a series of free…
6th Mar
19:00 – 20:00 | Rutherford Appleton Laboratory, Harwell Campus
Join us for a fascinating talk as part of Talking Science, a series of free…

The most illuminating journey you’ll ever take – inside the human body. An immersive light and science experience like never before, running 23 – 25 January 2026.
Harwell is a powerhouse of research and development in space, clean energy, quantum computing and life sciences.
Financial Times, 2021