The sump design was finally put together and the order placed with Morley Aqauriums 6 weeks back, here is the layout.
The sump has seen been tested for water leakage, and has just gone in over this weekend, I will post pictures of the setup as soon as possible.
The Idea was to make the Sump as flexible as possible.
Option1 : Chamber 1 Euro-Reef Nano Skimmer, Chamber 2 Macro Algae, Chamber 3 Filter Media
Option2: Chamber 1 Macro Algae, Chamber 2 Life Reef VS-24 Skimmer, Chamber 3 Filter Media
Option3: Chamber 1 Macro Algae Caulerpa, Chamber 2 Macro Algae Chaeto, Chamber 3 RDC 250 Skimmer
Other option to use the Chamber 1 a water top-off unit.