How to find a reputable installer

What this guide covers

This page brings together how to find a reputable installer, how to find a reputable solar installer, preparing you to compare written proposals without treating general guidance as a site-specific design.

For how to find a reputable installer, check the trading identity, relevant certification, insurance and who carries contractual responsibility; A directory listing does not replace a written scope or competent design.

Current reference figures

• 14 days: For how to find a reputable installer, the Consumer Contracts Regulations provide a 14-day cancellation period for many distance or off-premises contracts. Official context (accessed 27 September 2026).
• 16 A per phase: For how to find a reputable installer, energy Networks Association defines the G98 limit as up to and including 16 A per phase. Official context (accessed 27 September 2026).
• 3.68 kW: For how to find a reputable installer, on a single-phase supply, 16 A corresponds to 3.68 kW. Official context (accessed 27 September 2026).

For how to find a reputable installer, these numbers are comparison anchors rather than promised costs, savings or performance; confirm the date, eligibility conditions and property assumptions behind every figure in a quotation.

How to compare proposals

For how to find a reputable installer, make each bidder price the same scope and list exclusions; Keep drawings, calculations, product schedules, payment stages, cancellation information and the complaints route with the contract.

For how to find a reputable installer, avoid large unexplained deposits and time-limited pressure; Confirm who owns applications, notifications, commissioning, warranties and post-installation support before work starts.

Worked household example

A three-bedroom semi-detached household in Leeds is assessing how to find a reputable installer, so it records present energy use and asks three suppliers to quote the same scope; one quotation is set aside because access work and commissioning are omitted, a second gives a plausible headline result without its supporting calculation, and the third progresses because its survey, assumptions, exclusions, warranties and responsibilities can be checked line by line.

This how to find a reputable installer example does not identify a universally best product; it demonstrates why comparable evidence should influence the decision before the equipment choice does.

UK rules and responsibilities

For how to find a reputable installer, check which planning, network, consumer-protection and funding requirements apply in the relevant UK nation; confirm the council, network operator and scheme administrator before signing, and request written cancellation information for a distance or off-premises contract.

Questions to ask

• What property evidence supports this recommendation?
• Which calculations determine the proposed specification?
• What work and permissions are excluded?
• Which warranties apply, and who handles claims?
• What commissioning evidence will I receive?
• Which current standards govern the work?

Independent sources

• Consumer Contracts Regulations (accessed 27 September 2026).
• Energy Networks Association G99 guide (accessed 27 September 2026).