Solar Panel Installation Layout Plan + BOM calculator for steeldeck roof in UK

I have a medium-sized UK roof where I'm planning to install solar panels LANDSCAPE (Panel size as per attached file.

My primary goal is to maximize energy production and to have a Bill Of Material.

I need a professional to create a layout plan and string diagram for the installation.

The adres is "Mirrorstone LE3 1 UQ (Leicester) UK" and you can find easily on google earth.

Key Deliverables:
- Lay out plan for the solar panel installation
- String diagram showing the connection of the panels
- Calculation on how many panels can fit on the roof
- Determination of the required meter DC cable length

Ideal Skills and Experience:
- Experience in solar panel installations
- Proficiency in creating layout plans and string diagrams
- Understanding of UK roof regulations and requirements
- Strong analytical and problem-solving skills