“3(b) not to erect any wall hedge fence or structure (whether in the form of a boundary wall hedge fence or structure or not) around or within any part of the land hereby transferred lying between the line of the said dwelling and any road or footpath on to which the said land abuts PROVIDED ALWAYS that this covenant shall not relate to any wall or fence erected by the Company and marked “T” on the said plan 3(c) not to erect any building or other structure whether of a permanent or temporary nature on the land hereby transferred without the prior written approval of the Company to a sufficiently detailed drawing thereof 3(d) not to use the said dwelling for any purpose other than as a private dwelling or to carry on any trade business or manufacture whatsoever on the land hereby transferred.”