Greater London Authority (GLA)

This is a new tool to help decision-makers choose which locations within London might be prioritised for tree planting. This tool presents the Curio Canopy – London Tree Canopy Cover map at ward scale[1], alongside several other environmental and social datasets. There are multiple factors that influence both the existing variation in tree canopy cover across the capital, and the potential...

The Green Infrastructure Focus Map is a new tool and evidence base to help London’s decision-makers identify where green infrastructure improvements and investments might be best targeted, and what kind of interventions might be most useful for the needs of a specific area. The Green Infrastructure Focus Map can help: identify where there is more need or less...

Focus on London 2009 Packed with interesting information about our capital city, the Focus on London (FoL) report offers a unique snapshot of life in London. The report is produced by the GLA's statistical department, Data Management Analysis Group (DMAG) in partnership with the London Development Agency, Office for National Statistics, London Health Observatory, Met Police, London Ambulance Service and London Fire...

The Mayor has a role to play in leading, shaping and responding to changes in London through the work of the GLA group. Inclusive London: the Mayor's equality, diversity and inclusion strategy sets out how he will help address the inequalities, barriers and discrimination experienced by groups protected by the Equality Act 2010, as well as wider issues. These include...

User Guide for the SuDS Opportunity Mapping Tool.

Borough Heat Mapping reports produced by Local Authorities across London in the period 2010-2012. LDA funded through the DEMap Programme

The Communal Heating Consumer Survey was conducted in October 2017 to collect feedback from consumers on their views on the quality and satisfaction of the communal heating scheme which provides space heating and hot water to their properties. A report has been published a year after, summarising the survey's key findings and results, and it can be downloaded here. ...

Overview An updated spatial data set for existing green roofs has been produced for London's Central Activities Zone (CAZ) using 2015 aerial imagery. The CAZ makes up around two per cent of London's total area. Method ArcMap GIS software was used to map green roofs installations. The aerial imagery was loaded into the software in true colour (RGB) and infrared (IR) composites, along...

This report contains an introduction to PM2.5­, summarises our current understanding of PM2.5 concentrations and exposure, discusses the findings of research undertaken by the GLA and TfL into the extent of PM2.5 pollution in London, and assesses the potential for meeting World Health Organisation guidelines by 2030. Our analysis found that at present all Londoners are exposed to concentrations higher...

A heatwave refers to a prolonged period of unusually hot weather. While there is no standard definition of a heatwave in England, the Met Office generally uses the World Meteorological Organization definition of a heatwave, which is "when the daily maximum temperature of more than five consecutive days exceeds the average maximum temperature by 5°C, the normal period being 1961-1990"....