These may include its form and layout, the details of its construction, including historical materials and finishes, and historical fixtures, fittings and details, both inside and outside.
Gall y rhain gynnwys ei ffurf a’i gynllun, manylion y gwaith adeiladu, gan gynnwys gorffeniadau a deunyddiau hanesyddol, a gosodiadau, ffitiadau a manylion hanesyddol, oddi mewn ac oddi allan.