Environment

Following the release of the latest London Atmospheric Emissions Inventory (LAEI) 2022, additional data has been produced at Borough level, to assist London boroughs with their LLAQM (London Local Air Quality Management) duties. Update May 2026: Emission datasets have been revised for a number of boroughs, following discrepancies identified in the previous update (December 2025). Please refer to the...

The LAEI 2022 is the latest version of the London Atmospheric Emissions Inventory and replaces previous versions of the inventory. Update May 2026: Emission datasets have been revised following discrepancies identified in the previous update (December 2025). Please refer to the Summary Note for further details. Emissions estimates of key pollutants (NOx, PM10, PM2.5 and CO2) by source type are...

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...

Opportunity Areas (OAs) are London’s major source of brownfield land which have significant capacity for development. Development proposals within OAs should conform with strategic directions for the OA(s). The GIS files show the indicative boundaries, please contact the relevant London Borough to confirm accuracy. NOTE: The boundaries are based on Ordnance Survey mapping and the data is published under Ordnance...

The London Energy and Greenhouse Gas Inventory (LEGGI) is an emissions inventory which quantifies greenhouse gas emissions released to the environment from activities in London. It also quantifies emissions removed through Land Use, Land Change and Forestry sector activities. It is produced on an annual basis to measure progress against the Mayor's emissions reduction targets for London.  The...

Dataset last updated: 2nd December 2025 This dataset provides indicative areas of biodiversity hotspots in Greater London, identified by research and data analysis using methods derived from the Greater London Authority’s (GLA) “Planning for Biodiversity?” report (2016). The dataset has been created by Greenspace Information for Greater London CIC (GiGL). GiGL mobilises, curates and shares data that underpin our knowledge of London’s...

Area of Designated Green Belt Land (hectares). Only london boroughs with some greenbelt land shown. A GIS of this land for all of England has now been made available by DCLG. https://www.gov.uk/government/collections/green-belt-statistics

Update August 2025: The LAEI 2019 has now been superseded. Click here to access the LAEI 2022 data The LAEI 2019 is the latest version of the London Atmospheric Emissions Inventory and replaces previous versions of the inventory. Emissions estimates of key pollutants (NOx, PM10, PM2.5 and CO2) by source type are included for the base year 2019 and forecast...

The London Building Stock Model v2 provides energy efficiency data for all London homes. This includes information on EPC ratings, heating systems, insulation levels and building fabric. This dataset represents an update of the original London Building Stock Model, and it brings together data from Energy Performance Certificates (EPCs), alongside data from other sources such as the London borough councils and...

The Zip folder contains a range of key GIS boundary files for ESRI and Map Info covering Greater London. The folder includes: - Output Area (OA) 2011, - Lower Super Output Area (LSOA) 2004 and 2011, - Middle Super Output Area (MSOA) 2004 and 2011, - London Wards (two files: City of London merged into single area and split into seperate wards). There are separate...