Office for Nuclear Regulation
An agency of HSE

ONR programmes

ONR has reorganised into a new operational delivery programme structure to reflect nuclear industry sectors and is continuing with the reorganisation of cross-cutting and business support functions.

Civil Nuclear Reactor Programme

Colin Patchett

Director, Colin Patchett

Regulates the safety of operating and defueling nuclear power stations and licensing and permissioning of proposed new build nuclear power stations.

Sellafield Programme

Mark Bassett

Director, Mark Bassett

Regulates the safety of Sellafield and Windscale nuclear licensed sites in Cumbria.

Decommissioning, Fuel and Waste Programme

David Senior

Director, David Senior

Regulates safety on a variety of nuclear fuel sites, including fuel cycle, nuclear research, waste management and decommissioning sites.

Defence Programme

David Senior

Director, David Senior

Regulates safety at defence sector nuclear sites, including submarine and atomic weapons facilities, working closely with the Defence Nuclear Safety Regulator.

Civil Nuclear Security

Adrian Freer

Director, Adrian Freer

Regulates security at civil licensed nuclear sites, and all other locations where sensitive nuclear information is held; and the movement by road and rail within the UK, and globally within UK flagged vessels of nuclear and other radioactive material.

Radioactive Materials Transport

George Sallit

Head, George Sallit

Regulates safety during the transport of radioactive material by road and rail in Great Britain, and advises on its transport by air and sea within the UK territorial waters.

Nuclear Reactor Generic Design Assessment

Kevin Allars

Directors - Kevin Allars

Responsible for the assessment of new nuclear reactor designs, working jointly with the Environment Agency.

Finance and Corporate Services

Les Philpott

Director, Les Philpott

Supports the work of all of ONR by providing finance, HR, communications and internal security guidance.

Regulatory, Policy, Strategy and Assurance

Derek Lacey

Director, Derek Lacey

Responsible for overseeing and supporting the governance arrangements for ONR, regulatory policy, transition to a Statutory Corporation, and international strategy. Derek is also responsible for developing ONR's Regulatory Strategy, Assurance and Intelligence functions and leads on strategic programmes including the Security and Emergency Preparedness change programmes.


Directgov - Business Link

02.04.12