372. Party walls subject to reciprocal easements.

In the common case of a party wall in the third sense1, that is to say, a wall divided vertically into halves subject to cross-easements, the whole wall is subject to such reciprocal rights as may be necessary to carry out the common intention of the parties as to the user of the wall, the nature of the rights varying in each case but usually involving a right of support2. Such easements are not affected directly by the Party Wall etc Act 1996, since nothing in that Act authorises any interference with an easement of light or other easements