The purpose of this study was to collect data in order to examine the factors operative on households in Belfast that have as their outcome a distinctive pattern of ethnic (religious) residential segregation and mixing. Attitudinal/Behavioural Questions Housing history: date of move, type of dwelling, number of storeys, use of bath, tenure, predominant religion of the street. Expected length of residence, household changes. Attitude to and satisfaction (initial and present) with neighbourhood at time of arrival and since. Perceived changes in the neighbourhood. Knowledge of predominant religion at time of arrival and since, any changes observed, number of close friends in neighbourhood. Reasons for move to present address and for leaving previous address. Types of alternatives considered and explored. Favoured location/house type (reasons). Specific areas respondent would not move into. Comparison of present and previous addresses. Details of any council tenancies, preferred tenure (past and present), respondent's assessment of religious impartiality/discrimination by local authorities. Number of properties inspected. Religious affiliation and church attendance. Reasons for move. Background Variables Age, sex, marital status, employment status, occupation of head of household and spouse. Location of children's school, journey to work (time, method). Membership of clubs/organisations, number of relatives in Belfast and frequency of contact.