Adjust the options below choosing from either the system size, the amount you would like to spend or the size of your roof *All quotes are estimates please contact us for a full quotation. System Size (kW) My Budget (£) Available Area (m²) A system will cost around and will require a roof surface area of about . I will export % back to the grid. I am paying pence per unit for my electricity at the moment. The solar panels will be on a facing surface. You can adjust the values above to see how it affects your savings below. Disclaimer: The price is excluding 20% VAT for businesses or 5% for domestic users Modifications to electrical services may potentially add material and labour charges if existing electrical installation work does not meet current building regs. Your surveyor will be able to advise you on this, and as such these prices are a guideline only.