Budget and suitability
Homeowner starting guide, panel costs, installation breakdown and roof requirements.
Size the proposal
Module sizes and array kWp, 3 kWp, 4 kWp, 5 kWp and 6 kWp.
Storage and payments
Battery cost boundaries, capacity, power and throughput, battery retrofit and export payment.
Read the evidence before committing
Worked quote-reading guide, installer comparison checklist, grant claim checks and Chelmsford local guidance.
Understand our assessment standard
Research-based comparisons and review standards explain which product information is documented and why this site does not publish invented ratings. Use site search to find another topic.