wrote in message ...

(ii) adding socket outlets and fused spurs to an existing ring or radial
circuit; or

Yet another reason to standardise on 20 amp MCB, 2.5sq mmm radial
circuits, you can expand them as much as you like without requiring
building regs approval.

Although reading that it would appear to effectively include any
modification of a ring too, it depends on one's interpretation.

It says clearly "ring", so a ring is exempt.