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2011 Scottish Natural Heritage (SNH) Scotland Didemnum vexillum records

The carpet sea squirt (Didemnum vexillum) is an invasive non-native species of colonial sea squirt that has recently been found in England, Ireland, Wales and at one location in the Clyde, on the...

Broadscale remote survey and mapping of sublittoral habitats and their associated biota in the Firth of Lorn: biotopes

Methodologies for broad scale mapping of sublittoral habitats and biota based on acoustic remote sensing was developed as the Broadscale Mapping Project (BMP), a three year project funded by a...

Boundaries of Special Protection Areas (SPAs) of Great Britain (including offshore areas)

This resource contains the spatial dataset of Special Protection Area boundaries in Great Britain (including offshore areas), **last updated on March 2026**. The date of the latest update to the...

Mental Health and Learning Disabilities Statistics; Currency and Payment Data

The Mental Health Minimum Data Set (MHMDS) was renamed Mental Health and Learning Disabilities Data Set (MHLDDS) following an expansion in scope (from September 2014) to include people in contact...

Marsh Tit (Poecile palustris) territory surveys in English woods during 2002-2020

The dataset records the annual number of occupied Marsh Tit breeding territories in 74 individual woods and woodland patches in 14 English counties for variable periods between 2002 and 2020....

United Kingdom Butterfly Monitoring Scheme: species trends 2014 version 2

This dataset provides linear trends, over varying time periods, for the UK Butterfly Monitoring Scheme (UKBMS) Collated Indices of individual butterfly species across the UK. The main statistical...

Register of Private Water Supplies in Northern Ireland

About this layer: A private water supply is any supply of water intended for human consumption and not provided by the water undertaker appointed under Article 13 of The Water and Sewerage Services...

National Statistics UPRN Lookup (October 2025) (Epoch 121) User Guide V2

This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...

Local Plan 2012 Policies Map

The Local Plan is a collection of Development Plan Documents (DPDs) Core Strategy and Development Management Policies documents and Supplementary Planning Documents (SPDs) to deliver positive...

Cambridgeshire Road Traffic Collision data

Data is currently available for the period 1st January 2017 to 31st January 2026. 2025 and 2026 data is provisional at the time of preparing the data and is likely to be incomplete for the most...

United Kingdom Butterfly Monitoring Scheme: species trends 2013

This dataset provides linear trends, over varying time periods, for the UK Butterfly Monitoring Scheme (UKBMS) Collated Indices of individual butterfly species across the UK. The main statistical...

Harmonia axyridis invasion: UK distribution data 2004-2016

The dataset consists of location records of the Harlequin ladybird (Harmonia axyridis) in the UK. The records span from 2004 to 2016 with three records from 2003. Records were collected from...

United Kingdom Butterfly Monitoring Scheme: species trends 2011

This dataset provides linear trends, over varying time periods, for the UK Butterfly Monitoring Scheme (UKBMS) Collated Indices of individual butterfly species across the UK. The main statistical...

United Kingdom Butterfly Monitoring Scheme: species trends 2012

This dataset provides linear trends, over varying time periods, for the UK Butterfly Monitoring Scheme (UKBMS) Collated Indices of individual butterfly species across the UK. The main statistical...

Wider impacts of the COVID-19 pandemic and recovery of population health outcomes for London

These documents were produced through a collaboration between GLA, PHE London and Association of Directors of Public Health London.The wider impacts slide set pulls together a series of rapid...

Housing-led population projections

*Update 16 July 2026 - the GLA 2024-based population projections are planned for release wc 3 August. Interim housing-led projections, produced in April, have been published as part of the evidence...

Number of Registered Blind and Partially Sighted People with an Additional Disability by Category, Borough

This Data shows the number of people registered with Councils with Adult Social Services Responsibilities (CASSRs) in England as being blind and partially sighted with an additional disability by...

Potential Impacts of Skills-based Immigration Policies in London

These workbooks contain the supporting data that sits behind GLA Economics Current Issues Notes 58 and 59.The Government recently set out plans for a ‘skills-based’ immigration system post-Brexit....

Land use and land cover data of the Indian Ganges Brahmaputra Meghna Delta, 1990-2021

[This dataset is embargoed until January 4, 2027]. The Indian Sundarban delta, part of the Sundarbans in West Bengal, exhibits diverse land use and land cover including dense mangroves, tidal...

G-BASE (Geochemical Baseline Survey of the Environment) for south west England - stream sediments and shallow (5-20cm) soils

[This metadata record has been superseded, see http://data.bgs.ac.uk/id/dataHolding/13480412].The G-BASE programme involves systematic sampling and the determination of chemical elements in samples...