Wessex Data Directory

The Wessex Data Directory has been developed to help researchers and innovators quickly find and understand the wide range of data observatories, platforms and systems available across the region.

Wessex hosts multiple local and national data resources, each offering unique insights, governance requirements and areas of focus. Because these systems vary and can be difficult to navigate, many researchers are unaware of the full breadth of intelligence available to support their work. This directory brings these key resources together in one place, making it easier to locate relevant data, understand its purpose and access pathways, and use high‑quality population health insight to inform research, innovation and improvements in health and care services.

The Dorset Intelligence & Insights Service (DiiS) offers access to near real time data for health and care services across Dorset and for the Wessex Cancer Alliance (WCA) providing data, insights, analytics and modelling.

The Data and Analytics Centre of Excellence (D&A) is a community designed to ignite and empower our data analytics workforce across health, care and associated sectors.

Our assessments are based on routine data, insights from local communities, and input from the health and care workforce. We use a systems thinking approach to understand how different factors like housing, environment, employment and services are connected and influence people’s health and wellbeing.

The Wessex Secure Data Environment (SDE) is a secure NHS-owned platform that unlocks patient data to support research, develop life-saving treatments, and improve healthcare outcomes. Researchers can access pseudonymised health and care data in a controlled environment, ensuring patient privacy is protected. The platform provides tools, guidance, and a Data Use Register to ensure transparency about how data is being used.

The Population Health Analytics Service (PHAS) is part of the Hampshire and Isle of Wight Intelligence Service. This team manages the population health platform and supports its use across the system. It works with other intelligence teams to enable access to population health data and insights.

Southampton Data Observatory (SDO) is a website featuring data, intelligence, reports, needs assessments, summary analysis and statistics covering the city’s determinants of health. The SDO also includes comparator data to allow benchmarking around ‘what good looks like’ in cities that are similar to Southampton and also compare to the England average, where possible more granular data is available for electoral ward, locality and deprivation quintiles. All products are designed to support evidence based decision making with service design, commissioning plans, polices and strategies. The SDOs aim is to encourage better use of evidence to inform decision making.

It was created and is maintained by the Data and Intelligence team within Southampton City Council but has been developed in partnership with statutory partners. All data sources are either open source or align to data sharing agreements in keeping with information governance.


The Hampshire JSNA assesses current and future health and wellbeing needs across the county area. Health outcomes are shaped by where people live, how they age, and the social and economic opportunities available to them. These social determinants of health have the most significant impact on health and wellbeing and often cluster geographically.

This local data resource presents these data at small geographies, providing context and insights into local people and place and what the drivers of health outcomes are, highlighting inequalities and vulnerabilities. The Hampshire JSNA home page has summary reports for each JSNA chapter. Each chapter also has an interactive Power BI dashboard with data, charts, and maps. The data reports and a JSNA Data Glossary are available on the Hampshire JSNA data page.


The Isle of Wight Joint Strategic Needs Assessment (JSNA) provides data and insights to support the local authority, NHS organisations, and other public and voluntary sector partners in assessing the current and future health, care, and wellbeing needs of the Island’s population. Its primary purpose is to inform local decision-making and strategic planning. The JSNA offers a detailed picture of service utilisation and population needs, identifying areas of potential unmet need. This enables both general and targeted interventions, ensuring the efficient use of public funds and resources to improve health, care, and wellbeing, while reducing inequities in access and inequalities in outcomes.


The Joint Strategic Needs Assessment (JSNA) is an assessment of the health and wellbeing needs of the local community. The JSNA informs the Portsmouth Health and Wellbeing Board’s Health and Wellbeing Strategy. It supports the effective commissioning of services by the council and its partners and also informs the strategic plans developed by a range of local stakeholders. The published information in our JSNA is grouped under headings and includes: population health summary; demography; children's health, social care and education, adults health and wellbeing; place and environment; poverty and the cost of living. 

The JSNA is a publicly shared resource and therefore can be used and reproduced by anyone for purposes of addressing local health and wellbeing issues. We request that charts etc are reproduced in full (i.e. with the titles and references as provided in documents. Where copyright information is included this needs to be replicated (e.g. for some ONS data).  Governance of the JSNA is via the Health and Wellbeing Board Committee details - Health & Wellbeing Board Portsmouth City Council with operational decision-making led by the Public Health team at Portsmouth City Council.