Ond mae angen gwneud llawer mwy i sicrhau mwy o eglurder gydol oes yr adeilad am swyddogaethau a chyfrifoldebau'r rhai sy'n dylunio, adeiladu a rheoli adeiladau. Rwy'n bwriadu cyhoeddi Papur Gwyn yn 2020 yn amlinellu manylion fy nghynlluniau.
But we know there is still much more we need to do to ensure that there is greater clarity across the life cycle of a building as to the roles and responsibilities of those designing, constructing and managing buildings. I intend to publish a White Paper in 2020 setting out the detail of my plans.