Chartered Surveyors with Party Wall Agreement London expertise: CIOB, RPSA, FPWS and RICS Party Wall Surveyors in London. If you or your neighbour are carrying out a project, we arrange Party Wall Dispute Resolution London services for you. Get a Party Wall Agreement London document from RICS Surveyors local to Kensington, Camden, Westminster, Southwark, Islington, and other areas throughout the Greater London area.