Solar Panel Calculator for UK Homes

Calculate your potential solar savings, costs, and environmental impact

1. Property Details

Postcode Used to estimate local solar irradiance

Property Type

Roof Type

Roof Orientation South-facing roofs are ideal for solar panels

Roof Pitch Angle 30-40° is optimal for UK solar installations

Available Roof Area (m²) Typical UK home has 40-60m² of suitable roof space

Shading Level

Annual Electricity Usage (kWh) UK average is 3,800 kWh/year

Current Electricity Rate (p/kWh) UK average is 28.5p/kWh (2024)

Daytime Occupancy Affects how much solar energy you can use directly

Preferred System Size

Panel Type

Include Battery Storage? Batteries store excess energy for evening use

Export Tariff

Fill in the form above to see your personalized solar panel recommendations, savings calculations, and environmental impact.

💰 Financial Analysis

Installation costs, annual savings, and payback period

🔋 Energy Independence

Self-consumption rates and grid independence metrics

🌱 Environmental Impact

CO₂ savings and carbon footprint reduction

📊 Monthly Breakdown

Detailed generation profile throughout the year