Precision solar panel installation on a UK domestic roof
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Installation Tips

Six details that separate a good install from a poor one

14 March 2026 · 5 min read

Most solar problems we're called out to fix were designed in on day one. These are the details worth insisting on.

The details that matter

A system is only as good as the workmanship behind it. Twenty years of remedial work has taught us where corners get cut.

  • Array set back correctly from roof edges for wind loading
  • Every roof hook landed on a rafter, not a batten
  • DC cabling clipped and protected, never resting on tiles
  • Optimisers or micro-inverters where shading genuinely justifies them
  • Isolators sited for safe, accessible maintenance
  • Full commissioning data and handover pack, not just a certificate

Ask for the design, not just the price

A proper quote shows the panel layout, the predicted annual yield with its assumptions, and the string design. If a company can't show you that before you sign, they haven't designed the system yet.

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