B1 Business - Offices (other than those that fall within A2), research and development of products and processes, light industry appropriate in a residential area.
B1 Busnes – Swyddfeydd (heblaw’r rheini sy’n perthyn i ddosbarth A2), gwaith ymchwil a datblygu’n ymwneud â nwyddau a phrosesau, diwydiant ysgafn sy’n briodol mewn ardal breswyl.