Local authority annual municipal waste management materials data

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Next update expected:October 2026

Updates

29th January 2026
Dataset first published.

Main information

Designation
Accredited official statistics
Data provider
Natural Resources Wales
Data source
Waste Data Flow
Time period covered
April 2012 to March 2025

Overview

Summary of dataset and variables

Household waste includes regular household collections, civic amenity site waste, waste collected for recycling/composting and waste from special collections, such as collections of bulky household waste. Where local authorities collect non-household waste (i.e. from a business, school etc.) in the same collection round as household waste, it may not be possible for them to provide an accurate split between the household and non-household waste collected. Non-household waste prepared for reuse/recycled/composted includes local authority collected materials from commercial sources. This includes waste collected by private and voluntary organisations. Local authority municipal waste includes waste collected from household and non-household sources, but excludes abandoned vehicles.

The figures are in metric tonnes.

Data collection or calculation

Data on municipal waste was collected using an online reporting system for waste data called 'WasteDataFlow'. In Wales, this is managed by Natural Resources Wales. From 2009-10, an expanded breakdown of materials by type was collected by WDF and this is shown here. There may be some discrepancies in the tables, where the components do not sum up to the totals. These discrepancies are due to rounding.

Statistical quality

Rubble and plasterboard are counted as non-household waste in recycling totals, even if collected from household sources. Aggregate is a material type available on WasteDataFlow, but has been combined with Rubble for this dataset.

Additional validation undertaken by NRW has identified that the proportion of wood reported as recycled or reused is likely to have been over stated in recent years. Wood recycling figures with note code [u] should be considered low quality and should not be used for detailed analysis or for comparing performance between authorities. The accompanying statistical release and quality report provides further detail.

Related reports

Published by

Organisation
Welsh Government
Contact email
stats.environment@gov.wales