Table showing daily Reservoir levels in London since 1989 as percentage of usable or deployable capacity in the Lower Lee Group and Lower Thames Group reservoirs. Usable or deployable capacity excludes water normally left in a reservoir for environmental or emergency contingency measures. View Environment Agency website

The London Green Infrastructure Framework (LGIF), first published in January 2026, brings together key London-wide green infrastructure data in one place. You can use it to evidence, plan and prioritise the green infrastructure Londoners need. See http://www.london.gov.uk/london-green-infrastructure-framework for more information about its purpose and use, and https://apps.london.gov.uk/lgif/ for the map itself. This London Datastore page hosts: Two methodology reports produced by...

The purpose of this study was to find viable space for SuDS across all 32 boroughs and the City of London, and identify the locations for SuDS schemes that could achieve the greatest benefits in terms of surface water flood risk resilience, sewer capacity and natural capital. The results can be used by stakeholders, such as Lead Local Flood Authorities,...

The dataset provides detailed information about UK Power Networks' unplanned fault reporting under the Ofgem Interruptions Incentive Scheme (IIS). It includes key characteristics such as: Date/time fault start/end Number of customers affected Restoration stages Cause and main equipment involved Status of fault in terms of its exclusion from the IIS scheme due to it being a...

The London Workplace Zone Classification (LWZC) uses data from 2011 census and other sources to segment London’s workplace zones into categories based on workers’ and businesses’ characteristics. A total of 92 variables were used to classify the 8,154 workplace zones in London. A list of workplace zones by LWZC Group and Sub group can be found in LWZC Classification.xls and underlying data are in...

London Underground records temperatures across the Underground in order to inform our cooling initiatives. Platform temperatures on the deep Tube are routinely monitored using data loggers. Average monthly evening peak temperatures since 2013 are provided on this page. We are investing millions as part of a long-term programme to ensure we can deliver more services, and continue to introduce new trains to...

Southall is an Opportunity Area (OA) with potential for 9,000 new homes and 3,000 new jobs by 2041. The OA was designated in the 2011 London Plan and is part of the Heathrow/Elizabeth Line West Growth Corridor. More information about this website can be found on the Southall OAPF web page. This document was first published in 2014 and has not...

This report, commissioned by the GLA and produced by the Learning and Work Institute, aims to identify barriers to participation and achievement in basic English and maths training (at level 2 and below) and highlight examples of good practice that can be used to support London’s Adult Education Budget (AEB) providers to deliver improved social and economic outcomes for learners. This...

Energy consumption readings for a sample of 5,567 London Households that took part in the UK Power Networks led Low Carbon London project between November 2011 and February 2014. Readings were taken at half hourly intervals. The customers in the trial were recruited as a balanced sample representative of the Greater London population. The dataset contains energy consumption, in kWh (per half...

This dataset contains voltage, current, power, energy, and weather data from low-voltage substations and domestic premises with high uptake of solar photovoltaic (PV) embedded generation. Data collected as part of the project run by UK Power Networks. Validation of Photovoltaic Connection Assessment Tool https://www.ofgem.gov.uk/ofgem-publications/93938/pvtoolcdrfinal-pdf The project collected a rich dataset at domestic sites with Solar Panels. The data set comprises of 25,775 days-worth...