Billed as the first traditionalist urban village in the principality, the Coed Darcy project is part of a 400ha brownfield development of BP-owned land at Llandarcy.
The scheme includes plans for almost 150 homes as well as 58 new apartments and will include a 'compact network of interconnecting streets' with offices, shops and housing all within walking distance.
Practice founder Robert Adam said: 'Coed Darcy will be an exemplar of traditional urban design and the new houses will pay homage to the history and vernacular architecture of the area, as well as being thoroughly modern in conception.
'You would immediately recognise [the homes] as local to this part of Wales.'
The project is being backed by Edward Ware Homes (South Wales), its Cardiff-based joint venture partner Atlantic Property Developments, the Welsh Assembly Government and Neath Port Talbot County Borough Council.