Crime Prevention Through Environmental Design (CPTED) is a design and governance framework rooted in criminology, environmental psychology and urban design. Integrating CPTED more formally into the planning process at an early stage will serve to complement objectives around sustainability, accessibility, safety and wellbeing, according to Graham Kavanagh, a specialist CPTED practitioner with over 30 years’ policing experience.

Ireland’s planning system is under sustained pressure. Local authorities are being asked to deliver housing at scale, regenerate town centres, respond to climate obligations, improve accessibility, and create places that are inclusive and economically viable.

These are legitimate and complex demands. Yet within this landscape of competing priorities, one issue continues to receive limited structured attention at the point where it has the greatest influence: how the built environment shapes human behaviour, particularly in its negative forms.

Crime, antisocial behaviour and fear of crime are often treated as downstream social issues, something to be managed after places are built and occupied. In reality, these outcomes are frequently influenced – sometimes unintentionally – by early design decisions.

The relationship between environment and behaviour is neither abstract nor speculative. It is well established, predictable, and observable. This is the space in which Crime Prevention Through Environmental Design, or CPTED, operates.

DESIGN GOVERNANCE FRAMEWORK

CPTED is not a security product, nor is it a policing tactic. It is a design and governance framework rooted in criminology, environmental psychology and urban design.

At its simplest, CPTED examines whether places are designed in a way that supports legitimate use, informal social control and clarity of purpose, or whether they inadvertently create anonymity, ambiguity and opportunity for misuse. The emphasis is not on exclusion or hardening space, but on understanding how people actually interact with their environment, day and night, across seasons and over time.

In modern practice, CPTED goes far beyond outdated ideas of lighting and surveillance. It considers how spatial layout, access routes, boundary treatments, land-use mix and management regimes influence behaviour.

It asks whether people can easily understand where they are meant to be, whether they feel a sense of ownership or responsibility for space, and whether design encourages natural presence and activity or leaves areas isolated and unobserved.

Importantly, CPTED also considers fear of crime, recognising that perceptions of safety strongly influence how places are used, regardless of recorded crime levels.

COMPARABLE JURISDICTIONS

In many comparable jurisdictions, this way of thinking is no longer novel. In the United Kingdom, CPTED principles are embedded through the Secure by Design framework, with accredited advisors routinely engaged during the planning and design process.

In parts of Europe, Australia and New Zealand, CPTED assessments form part of standard development appraisal, particularly for large residential, transport and mixed-use schemes, with local authorities having trained personnel.

In these contexts, CPTED is not framed as a response to criminality, but as a normal component of good design and risk management, much like traffic modelling or environmental assessment.

Ireland, by contrast, occupies an ambiguous middle ground. References to CPTED appear in development plans, regeneration strategies and guidance documents, reflecting an awareness of its relevance.

‘MAKING STRONGER URBAN PLACES’

However, in practice, CPTED is inconsistently applied and rarely embedded in a way that meaningfully influences outcomes.

Where it does appear, it is often introduced late in the process, when key design decisions have already been fixed and opportunities for positive intervention are limited.

This gap was explicitly highlighted in a submission titled ‘Crime Prevention Through Environmental Design’ which I made to the Draft First Revision of the National Planning Framework (NPF) in September 2024 under the theme ‘Making Stronger Urban Places’.

My submission highlighted how CPTED principles can support the NPF’s objectives by reducing crime opportunity, preventing anti-social behaviour and improving perceptions of safety through early-stage design decisions.

The submission proposed closer collaboration between local authorities, planners, architects, developers and trained CPTED practitioners – both within An Garda Síochána and in private practice – to ensure that issues such as natural surveillance, access management, territorial clarity and the design of public space are considered upstream.

The submission positioned CPTED not as a regulatory burden, but as a practical, evidence-based contributor to creating safer, more resilient and inclusive places.

About the Author: Graham Kavanagh is a Sergeant with An Garda Síochána and a qualified Designing Out Crime Officer and a specialist Crime Prevention Through Environmental Design (CPTED) practitioner with over 30 years’ policing experience. He has worked extensively across crime investigation, community safety, crime prevention, and stakeholder engagement, advising local authorities, state agencies, designers

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