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North West London Children and Young People Mental Health Services Data Set (CYP MHSDS)

Population Size

37,059

People

Population Size statistic card

Years

2017

Years statistic card

Associated BioSamples

None/not available

Associated BioSamples statistic card

Geographic coverage

United Kingdom

England

...see more

Geographic coverage statistic card

Lead time

1-2 months

Lead time statistic card

Summary

All activity relating to Children and Young People who receive assessments and treatment from Mental Health Services is within the scope of the CYP Mental Health Services Data Set

Documentation

All activity relating to Children and Young People who receive assessments and treatment from Mental Health Services is within the scope of the CYP Mental Health Services Data Set, where the patient has, or are thought to have:

  • a mental health condition and/or
  • a need for support with their mental wellbeing and/or
  • a learning disability and/or
  • Autism or any other neurodevelopmental condition
  • The scope of the Mental Health Services Data Set requires patient record level data submission from services as follows:

For each patient attending a service located in England: If the care is wholly funded by the NHS: the data submission for that patient is mandatory If the care is partially funded by the NHS: the data submission for that patient is mandatory If the care is wholly funded by any means that is not NHS: the data submission for that patient is optional.

For each patient attending a service located outside England, but commissioned by an English Integrated Care Board or NHS England specialised commissioner, the data submission is optional.

We currently have the data from Central and North West London NHS Foundation Trust from financial year 2017 onwards.

Dataset type

Health and disease, Treatments/Interventions

Dataset population size

37059

Keywords

Observations

Observed Node

Disambiguating Description

Measured Value

Measured Property

Observation Date

Persons

37059

Count

10 Dec 2025

Events

223559

Count

10 Dec 2025

Provenance

Purpose of dataset collection

Care, Other

Source of data extraction

EPR

Collection source setting

Secondary care - Outpatients, Secondary care - In-patients

Patient pathway description

The NWL MH linked table holds activity data from Mental health providers and contains the type and location of care received, episodes of care, diagnoses and questionnaire scores for individuals who have accessed children mental health services within NWL.

Image contrast

Not stated

Biological sample availability

None/not available

Structural Metadata

Details

Publishing frequency

Monthly

Version

1.0.3

Modified

06/05/2026

Distribution release date

01/04/2025

Citation Requirements

NHS NWL ICS;,;London SDE

Coverage

Start date

01/04/2017

Time lag

1-2 months

Geographic coverage

United Kingdom, England, London, Brent, Ealing, Hammersmith and Fulham, Harrow, Hillingdon, Hounslow, Kensington and Chelsea, Westminster

Maximum age range

17

Follow-up

> 10 Years

Accessibility

Language

en

Alignment with standardised data models

LOCAL

Controlled vocabulary

LOCAL

Format

Excel, SQL, Tableau, R

Data Access Request

Dataset pipeline status

Available

Time to dataset access

1-2 months

Access request cost

In Progress

Access method category

TRE/SDE

Access service description

Researchers will have access to a VDI environment with a specific username and password. The researchers will get access to the datasets that is present in the SDE catalogue and would be able to carry out their research within the safe haven. There are restrictions applied which prevents the researchers from taking data out of the safe haven, once the research/analysis is completed the admin team will need to be contacted for taking the analysis off the safe haven.

Data use limitation

No restriction

Data use requirements

Collaboration required,Institution-specific restrictions,Project-specific restrictions,Time limit on use,User-specific restriction

Data Controller

Joint data controller model across London: North Central London Integrated Care System (NCL ICS), Central London Integrated Care System (CL ICS), East London Integrated Care System (EL ICS), West London Integrated Care System (WL ICS), South London Integrated Care System (SL ICS)

Data Processor

The data processor for the London Secure Data Environment (SDE) is primarily managed by OneLondon, a partnership of London's five integrated care systems (ICSs) and three health innovation networks.

Dataset Types: Health and disease, Treatments/Interventions

Dataset Sub-types: Mental health


Collection Sources: Secondary care - Outpatients, Secondary care - In-patients