The opportunity cost approach is used to estimate the value of the benefit (Frick et al., Using information from those households living in the private (non-subsidised) rental market, a rental value for all property of tenants in the social rental sector is estimated. It is based on a hedonic regression estimation of the logarithm of rent actually paid by main tenants on the private housing market (so excluding social housing and any other reduced rent payments), correcting for selection bias when appropriate.