In recent years there have been an increased drive globally to reduce private car journeys and increase the public transport use, cycling or walking. To support the shift in behavioural change and enable transition to more sustainable transport choices, many researches have been carried out to identify factors that may influence commuters’ decisions in relation to their transport mode selection. Number of those have shown that good quality public transport services can lead to its improved attractiveness. This study examines public transport accessibility levels across the City of London and its effects on the public transport utilisation and car ownership in the city.