How to Access the Data

All requests to use the Discover dataset come through the Data Access Committee (DAC), which includes patient representatives. Find out how you can access the data below, or explore all the approved requests here.

The Discover dataset is a deidentified mirror of the Whole System Integrated Care dataset (WSIC). For clinicians looking for access to the data for direct care, please visit the WSIC page.

For researchers, commissioners and industry partners looking to access the dataset for secondary purposes, find out how to do so below. Or see more in our Acceptable Use Policy Guidance.

Access and Governance

Complete the application form

Download and complete the North West London Data Access Request Form with your key project information, including how access to this data will support patient outcomes.

Complete the application form

Submit your application

Once you've completed your application form, submit the document to on behalf of the North West London ICB to gain DAC approval. Note: If your project is commercially or third party funded, you will need to enter a contractual and commercial agreement with Imperial College Health Partners, who provide a data brokerage service on behalf of North West London ICB.

Application review

Applications for access to the Discover dataset are reviewed by the NWL Data Access Committee (DAC). The DAC meets on the third Thursday of each month to review all applications submitted that month. Please note the applications received within a week of the DAC meeting will be reviewed the following month.

Application approved

A decision on the approval of your application will be made and sent via email within one week of the relevant DAC meeting. If your application has been approved by the DAC, you will receive an email with further instruction, including what additional information we need from you to grant access. If your application is unsuccessful, you will receive feedback from the DAC and be invited to reapply.

Log in generated

Following receipt of the additional information needed, the technical team from NWL Integrated Care Board will get in touch with your log in. This part of the process can take 2-3 weeks.

Access granted

The technical team will follow up with you to offer their support and onboarding to the data. Should you have any issues accessing the data, please contact

Further support

At Discover-NOW we have a range of services that can support you through the life-time of your health research project. Find out more.

Samples of Our Work

At Discover-NOW through our services we deliver a broad range of research projects for our clients. Take a look at our case studies which bring to life the projects we have worked on, and continue to work on, and the impact they have had on patients, the public and healthcare systems.

Case Studies

The data

Discover-NOW supports access to one of the largest depersonalised linked health data sets in Europe which brings together real-world patient health data, in a safe, secure and Trusted Research Environment (TRE). Initially this is across a population of more than 2.5 million in North West London, then scaling to over 10 million across London and beyond over time.

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Find out how our data and services help you achieve your goals

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