A-CH (Atelier Chen Hung) a-ch.com.au Architects@A-CH.com.au 0738 463 089 Architects A-CH (Atelier Chen Hung) A-CH (Atelier Chen Hung) projects featured on Lunchbox Architect Keperra House by A-CH (Atelier Chen Hung) Keperra House: A Granny Flat Even The Young Want to Live In Rattling around in your family home? Looking to free up extra cash? This guy did that by down-sizing to a stylish 'granny flat' at the rear of his property.