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Welcome to UK LLC
Understanding UK LLC
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Complete governance
UK LLC policy on AI models
UK LLC profile
UK LLC sample
Freeze 15 | Feb 2026
Freeze 14 | Nov 2025
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Freeze 6 | Nov 2023
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Freeze 2 | Nov 2022
Freeze 1 | Aug 2022
UK LLC database design
Data security
Five Safes Framework
LPS data
FAQs about LPS data
LPS characteristics
Permitted linkages
Temporal coverage
Discover LPS data
AIRWAVE
Datasets
ALSPAC
Datasets
BCS70
Datasets
BIB
Datasets
ELSA
Datasets
EPICN
Datasets
EXCEED
Datasets
FENLAND
Datasets
GENSCOT
Datasets
GLAD
Datasets
MCS
Datasets
NCDS58
Datasets
NEXTSTEP
Datasets
NICOLA
Datasets
NIHRBIO_COPING
Datasets
NSHD46
Datasets
SABRE
Datasets
TEDS
Datasets
TRACKC19
Datasets
TWINSUK
Datasets
UKHLS
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
PCM
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)
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)
IAPT (talking therapies)
Community datasets
CSDS (general)
NHS Wales
Processing & linkage
Coded variables
Hospital datasets
COVID-19 datasets
Registration datasets
Primary care dataset
Other datasets
NHS Scotland
Northern Ireland
Place-based data
FAQs about place-based data
Processing & linkage
Population datasets
Index of Multiple Deprivation (IMD)
Townsend Deprivation Index (2011)
Environmental datasets
Neighbourhood datasets
Access to Healthy Assets and Hazards (AHAH)
Greenspace
Property datasets
Energy Performance Certificates (EPC)
Pollution datasets
Air pollution NO2 & PM
Air pollution NOx, NO2 and O3
Noise pollution
Mobility datasets
Health datasets
Administrative data
FAQs about admin data
HM Revenue & Customs
Department for Work & Pensions
UK LLC-managed data
FAQs about UK LLC-managed data
Harmonised sociodemographic datasets
Demographic (full)
Demographic (reduced)
Highest educational qualification
DATAMIND collection
UK Biobank collection
NHS England reference datasets
Study permissions
NHSE patient service usage
NHSE patient demo mortality
NHSE lsoa11 dataset mappings
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 Statistical Disclosure Control
Requesting an amendment
Finishing your project
Publishing your research
User support
Rules for researchers
Research focus
Focus on harmonisation
FAQs
Repository
Open issue
Index
