About the practice

pdp Green Consulting is trading as Castria Castria is an RIBA Chartered Practice with Chartered Architects and AABC registered Conservation Architects and RICS Building Surveyors. We employ engineers chartered with the Institution of Civil Engineers and with the Institution of Structural Engineers. We provide an integrated design service will respond to our clients quality, programme and budget requirements, whilst striving to achieve the most sustainable design solutions. We have the experience and expertise to undertake a wide range of projects from initial concept and brief development through to the final detailed design and contract management. We are specialists in the conservation of the historic environment.