Land law - Restrictive covenant - Covenant preventing subdivision - Application for modify - Whether objectors entitled to the benefit of the covenant - Whether words used in the originating documents sufficient to annex the benefit to the land - Whether land affected by the covenant - Whether building scheme created - Unity of seisin - Land law - Restrictive Covenant - Covenant preventing subdivision Application to modify - Whether character of neighbourhood has changed - Whether objectors have acceded to the breach - Restrictive Covenants (Modification and Discharge) Act, section 3.