Npl Open Day 2024. The open day offers visitors the chance to glimpse inside the house, which dates back to the 1660s, including an array of historic photos and artefacts. Stay updated with the latest events, showcasing pioneering advancements in measurement science.

To celebrate world metrology day, we’re opening our doors to the public. Up to 20 days of funded access to npl’s world leading experts and facilities available for small and medium enterprises.