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Welcome to UK LLC Guidebook
Available linkages
Health linkages
Geographic linkages
Our partner LPS
Characteristics
Permitted linkages
Temporal coverage
Discover LPS data
Understanding UK LLC
UK LLC profile
UK LLC sample
Freeze 17 | Aug 2026
Freeze 16 | May 2026
Freeze 15 | Feb 2026
Freeze 14 | Nov 2025
Freeze 13 | Aug 2025
Freeze 12 | May 2025
Freeze 11 | Feb 2025
Freeze 10 | Nov 2024
Freeze 9 | Aug 2024
Freeze 8 | May 2024
Freeze 7 | Feb 2024
Freeze 6 | Nov 2023
Freeze 5 | Aug 2023
Freeze 4 | May 2023
Freeze 3 | Feb 2023
Freeze 2 | Nov 2022
Freeze 1 | Aug 2022
Database design
Data security
Five Safes Framework
Data Bulletins
Applying to UK LLC
Am I eligible?
How do I apply?
Submit EoI
Submit application
Sign contracts
Review process
Policy on AI models
LPS data
FAQs about LPS data
AIRWAVE
Datasets
ALSPAC
Datasets
BCS70
Datasets
BIB
Datasets
BIB tips & FAQs
CaPS
Datasets
ELSA
Datasets
EPICN
Datasets
EXCEED
Datasets
FENLAND
Datasets
GENSCOT
Datasets
GLAD
Datasets
MCS
Datasets
NCDS58
Datasets
NCDS58 tips & FAQs
NEXTSTEP
Datasets
NICOLA
Datasets
NIHRBIO_COPING
Datasets
NSHD46
Datasets
SABRE
Datasets
TEDS
Datasets
TRACKC19
Datasets
TWINSUK
Datasets
UKHLS
Datasets
UKREACH
Datasets
NHS data
NHS England
FAQs about NHSE data
Restrictions to use
Temporal coverage
Processing & linkage
Coded variables
FAQs about coding
Codelists
Primary care datasets
GDPPR (GP)
PCM (prescriptions)
CSDS (community)
Hospital datasets
FAQs about HES datasets
HESOP (outpatient)
HESAPC (inpatient)
HESAPC_MAT (inpatient maternity)
HESAPC_ACP (inpatient critical care)
HESCC (inpatient critical care)
ECDS (emergency)
HESAE (emergency)
MSDS V2 (maternity)
MSDS V1.5 (maternity)
COVID-19 datasets
FAQs about COVID-19 datasets
COVIDSGSS (testing)
IELISA (testing)
NPEX (testing)
CHESS (hospitalisation)
CVS (vaccination)
CVAR (vaccination)
Registration datasets
CANCER
DEMOGRAPHICS
MORTALITY
Mental health datasets
FAQs about MH datasets
MHSDS (general)
MHMDS (general)
MHLDDS (general)
IAPT V2 (talking therapies)
IAPT V1.5 (talking therapies)
Derived datasets
NHS Wales
Processing & linkage
Coded variables
Hospital datasets
COVID-19 datasets
Registration datasets
Primary care dataset
Other datasets
NHS Scotland
Northern Ireland
Geographic data
FAQs about geo data
Processing & linkage
Population datasets
Index of Multiple Deprivation (IMD)
Townsend Index
Environmental datasets
Neighbourhood datasets
Access to Healthy Assets and Hazards (AHAH)
Greenspace
Met Office climate observations
Property datasets
Energy Performance Certificates (EPC)
Pollution datasets
Air pollution NO2 & PM2.5
Air pollution NOx, NO2 & O3
Noise pollution
Mobility datasets
Public Transport Accessibility Indicators
Health datasets
Administrative data
FAQs about admin data
HM Revenue & Customs
Department for Work & Pensions
Harmonised data
FAQs about harmonised data
Demographic (full)
Demographic (reduced)
Education
UK LLC-managed data
FAQs about UK LLC-managed data
Reference datasets
Linkage permissions
Health service usage
Demographics
LSOA from health records
DATAMIND collection
UK Biobank collection
Charlson comorbidity dataset
TRE user guide
FAQs about the TRE
Logging in
Getting started
Available software
Using Git
Moving files in and out
Statistical disclosure control
Quiz on SDC
Requesting an amendment
Finishing your project
Publishing your research
User support
Rules for researchers
Research focus
Harmonisation
IAPT
Linkage quality
FAQs
Repository
Open issue
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