In order to enable them to execute any of their functions, an education authority may from time to time—
(a)acquire, whether by way of purchase, feu, lease, excambion or donation, any land whether situated within or outwith the area of the authority;
(b)erect and furnish buildings or execute any other works on any land belonging to them, or on land leased by them ;
(c)convert, alter, enlarge or improve any existing building or other works belonging to the authority or leased by them :
Provided always that paragraphs (b) and (c) of this section shall not of themselves authorise the authority to do anything contrary to the conditions contained in the title to or lease of any such land, buildings or other works.