The residential section of San Stefano Plaza is a closed-type building and comprises 1 to 4 Bedroom apartments, maisonettes and studios. The entrances are on San Stefano Street and Sheynovo Street. The complex offers 24/7 security guards, video surveillance and facility management services. Part of the apartments in the complex are for rent and the other ones are for sale. Besides their prestigious location in the centre of Sofia, a significant advantage of San Stefano Plaza’s apartments is the breathtaking view they offer to Borisova Gradina, Doctorska Gradina Park and Vitosha mountain, while also being equipped to provide all modern conveniences.
San Stefano Plaza is the first building complex in Bulgaria, certified under the world’s leading sustainability assessment method for buildings BREEAM 2013 with "excellent" rating. It has been specifically designed to provide maximum stability and energy efficiency using high-quality and long-lasting natural materials. The residential section has a clinker façade. The inclusion of high-quality sound insulation helps to ensure all the residents enjoy peace and quiet.
Each apartments has its own heating, ventilation and air conditioning system as well as access to the BMS system for wireless monitoring and control, residual current devices, anti-frost protection system, etc. There are two diesel engines in San Stefano Plaza which provide alternative electricity supply.