Cardiff Council · Welsh council
Transport Statements and Assessments in Cardiff
What transport evidence a Cardiff planning application needs, the parking standards that apply, and the policies an assessment should address.
Which document do you need?
In Wales, Technical Advice Note 18: Transport sets out when a Transport Assessment is needed. Its Annex D suggests thresholds, which a council may vary locally.
Transport Statement
A shorter document for smaller schemes where transport issues are limited: access, parking, trips and sustainable travel.
Transport Assessment
A full assessment for larger schemes: trip generation, network impact, junction capacity and mitigation.
Parking standards
Cardiff Council sets its parking standards in the document below. Use it for the car and cycle provision your scheme needs.
Source: Managing Transportation Impacts (Incorporating Parking Standards) Supplementary Planning GuidanceConfirmed as the current standard on 10 November 2026
Policies your assessment should address
The transport policies of the development plan documents in the summary panel. A neighbourhood plan, or a plan for one part of Cardiff, may also apply to your site.
Cardiff Local Development Plan 2006-2026
- KP6New infrastructure
- KP7Planning obligations
- KP8Sustainable transport
- T1Walking and cycling
- T3Transport interchanges
- T4Regional transport hub
- T5Managing transport impacts
- T6Impact on transport networks and services
- T7Strategic transportation infrastructure
This page summarises adopted policy and links to the source documents. It is not legal advice: always confirm a figure against the adopted document before relying on it.