NPL (National Physical Laboratory)

The National Physical Laboratory (NPL) is the UK’s National Measurement Institute and is a world-leading centre of excellence in developing and applying the most accurate measurement standards, science and technology available to man.

For more than a century, NPL has developed and maintained the UK’s primary measurement standards. These standards underpin an infrastructure of traceability throughout the UK and the world that ensures accuracy and consistency of measurement.

Phone Number

+44 (0)20 8977 3222

Fax Number

+44 (0)20 8614 0446

Website Address

General Email Address


National Physical Laboratory Hampton Road Teddington Middlesex TW11 0LW