Open Barnet is the data portal for the London Borough of Barnet. it is an important tool in pushing forward Barnet’s Transparency Agenda, bringing together all our published datasets and other information of interest on one searchable database for anyone, anywhere to access. The aim is to meet the needs of residents as well as businesses, innovators and third sector service providers.

If there are any datasets that you would like to see published in the future, or have any other queries or feedback, please contact us at

You can find out more about Barnet’s Transparency Agenda on our website.

The council’s ambition is to publish all its open data to 3 star rating or higher (i.e. using the CSV file format instead of Excel). This is based on the 5 star rating system for open data put forward by Sir Tim Berners-Lee and fully adopted by Government, see the Local Government Transparency Code or the summary below for more information.

A Summary of the 5-Star System

No star means the data is not available under an open licence (it can’t be reused without permisison), even if it is available on-line.

One star means the data is accessible on the web and is under an open licence. It is readable by the human eye, but not by software, because it is in a ‘closed’ document format (for example a scanned image), and therefore cannot be easily re-used.

★★ Two stars mean that the data is accessible on the web in a structured, machine-readable format. A user can process, export and publish the data easily, but it depends on them having proprietary software like Word or Excel.

★★★ Three stars mean that re-users will no longer need to rely on proprietary software (using the CSV file format instead of Excel). Users can manipulate the data in any way, without being confined to a particular software producer.

★★★★ Four stars mean that the data is now in the web as opposed to on a web page. This is done through the use of a URI, a Uniform Resource Identifier. As a URI is completely unique, it gives a fine-granular control over the data, allowing for things like bookmarking and linking.

★★★★★ Five stars mean that the data is not only in the web but is also linked to other data, fully exploiting its network effects. Through this interlinking, data gets interconnected whereby the value increases exponentially, since it becomes discoverable from other sources and is given a context.