Virtual Loft Conversion Design

I need a professional structural engineer to design a loft conversion online, with no site visit. The project is to create an additional bedroom with an ensuite bathroom. All drawings and videos will be provided Key requirements: - Just need the calculations as per the attached example - No physical site visit needed Ideal skills and experience: - Expertise in loft conversion design - Proficiency in online design tools - Experience with residential projects in the UK - Provide calculations in a pdf format