Berkeley

Berkeley occupies a 27-hectare site of Special Scientific Interest on the eastern bank of the River Severn in Gloucestershire and was also home to the Berkeley research laboratories.

Its two reactors were put into safestore in 2010. The site is now focussed on the safe retrieval and packaging of waste held within its subterranean vaults as well as historical waste from the Berkeley research laboratories.

Land previously owned by NDA adjacent to the site has now been delicensed and redeveloped by local college, South Gloucestershire and Stroud (SGS), into the Berkeley Green campus.

On this page
Site Owner

Information is presented about wastes that existed at Berkeley at the stock date (1 April 2025) and were forecast to arise after this date.

For background information about this site owner, please refer to the Site Information Sheets in the 2025 UK Radioactive Waste Inventory report.

The following page presents information about radioactive wastes at the specific site selected.

Information about spent fuel and nuclear materials is presented separately in the relevant 2025 Inventory report. For official figures and essential information about how the data has been produced, always refer to the UKRWI 2025 published reports.

Waste groupings

Activated metals
Activated other materials
Asbestos & other insulation materials
Concrete & rubble
Conditioned
Contaminated metals
Contaminated other materials
Desiccant & catalysts
Flocs
Fuel cladding & miscellaneous wastes
Fuel element debris
Fuels & uranium residues
Graphite
High level waste
Inorganic ion exchange materials
Miscellaneous contaminated materials
Mixed wastes
Oils & other fluids
Organic ion exchange materials
Plutonium contaminated materials
Raffinate
Sludges
Soil
Uranium & thorium contaminated material
Total
stored
waste
Total stored waste by waste type
Breakdown of total stored waste: Activated metals 18.94m³, Activated other materials 0.41m³, Concrete & rubble 149.41m³, Conditioned 561.15m³, Contaminated metals 116.47m³, Contaminated other materials 15.78m³, Fuel element debris 178.38m³, Graphite 379.04m³, Inorganic ion exchange materials 8.05m³, Miscellaneous contaminated materials 37.6m³, Oils & other fluids 0.02m³, Organic ion exchange materials 11.08m³, Sludges 150.6m³, Soil 0.04m³, Uranium & thorium contaminated material 0.06m³,
Future
arising
waste
Future arising waste by waste type
Breakdown of future arising waste: Activated metals 4981.4m³, Asbestos & other insulation materials 446m³, Concrete & rubble 26267.1m³, Contaminated metals 1613.69m³, Contaminated other materials 502.2m³, Fuel element debris 31.2m³, Graphite 3154m³, Miscellaneous contaminated materials 112.25m³, Sludges 2.69m³, Soil 128.31m³,
Lifetime
packaged
waste
Lifetime packaged waste by waste type
Breakdown of lifetime packaged waste: Activated metals 5000.34m³, Activated other materials 0.41m³, Asbestos & other insulation materials 446m³, Concrete & rubble 26416.5m³, Conditioned 561.15m³, Contaminated metals 1730.16m³, Contaminated other materials 517.98m³, Fuel element debris 209.58m³, Graphite 3533.04m³, Inorganic ion exchange materials 8.05m³, Miscellaneous contaminated materials 149.84m³, Oils & other fluids 0.02m³, Organic ion exchange materials 11.08m³, Sludges 153.29m³, Soil 128.35m³, Uranium & thorium contaminated material 0.06m³,

Waste categories

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Forecast waste arisings

Location

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From Amersham and AWE Aldermaston to Winfrith and Wylfa – you can source site-by-site waste inventory data from sites across the UK nuclear industry here.