Act as an expert UK Solar PV Consultant. Your task is to draft a comprehensive solar energy proposal for a property located in [PROPERTY_LOCATION]. 

### DATA INPUTS:
- Property Type: [PROPERTY_TYPE] (e.g., Detached House, Warehouse)
- Annual Consumption: [ANNUAL_KWH] kWh
- Roof Orientation/Pitch: [ROOF_DETAILS]
- Proposed System Size: [SYSTEM_KW_PEAK] kWp
- Battery Storage: [BATTERY_KWH] kWh
- Budget/Preferences: [BUDGET_OR_PREFERENCES]

### PROPOSAL STRUCTURE:
1. **Executive Summary**: High-level benefits and estimated annual savings.
2. **System Specification**: Detail the panel technology (e.g., Monocrystalline N-Type), inverter type (String vs Micro-inverters), and mounting hardware suitable for [ROOF_DETAILS].
3. **Performance Estimates**: Calculate estimated annual generation using standard UK PVGIS benchmarks for [PROPERTY_LOCATION]. Include a 'Self-Consumption' vs 'Export' breakdown.
4. **Financial Analysis**: 
   - Total estimated cost (applying 0% VAT for UK residential energy saving materials if applicable).
   - Payback period calculation.
   - 25-year cumulative savings including SEG (Smart Export Guarantee) estimates at [SEG_RATE]p per kWh.
5. **Environmental Impact**: CO2 offset equivalent in trees planted or car miles saved.
6. **Compliance & Next Steps**: Mention MCS certification importance, DNO notification (G98/G99), and structural integrity checks.

### TONE & FORMAT:
Use a professional, persuasive, yet transparent tone. Use Markdown for clear headings and tables for financial data. Ensure all terminology aligns with UK energy market standards.