What Lenders and Technical Advisors Check in a Solar Structural Report

When a lender or a technical advisor reviews a structural report for commercial solar finance, they are not reading the executive summary first. They are checking whether the report stands up.

5Things checked first

First passThe goal: no queries

BS EN 1991Eurocode basis

What they look for

Five things, in roughly this order:

Identity and insurance: the engineer's name, qualification basis, and Professional Indemnity cover, stated on the report. No identity, no review proceeds.
The standards applied, with versions: BS EN 1991-1-4 with the UK National Annex for wind, BS EN 1991-1-3 for snow, BS EN 1990 for load combinations, and BRE Digest 489 for PV-specific wind loading. Not a generic reference to "Eurocode".
Site-specific inputs: wind and snow derived for the actual site, not national averages.
A clear conclusion: Pass, Pass-with-condition, or Fail, not a narrative that leaves the reader to infer the answer.
Independence: confirmation the engineer is independent of the installer.

BS EN 1991-1-4 WindUK National AnnexBS EN 1991-1-3 SnowBS EN 1990 Load CombinationsBRE Digest 489

Why it matters

A report missing any of these comes back with queries, and queries mean delay on a project that is usually on a tight financing or grid-connection timeline. A report that carries all five is accepted on first submission. That is the difference a competent technical advisor is paid to find.

"A report missing any one of the five comes back with queries. A report that carries all five is accepted on first submission."

COMMON QUESTIONS

What makes a solar structural report lender-ready?

A named engineer with stated qualification and PI cover, the BS EN 1991 Eurocodes applied with versions and the UK National Annex, site-specific wind and snow inputs, a clear Pass / Pass-with-condition / Fail conclusion, and independence from the installer.

Why do reports get sent back?

Most often because one of those five is missing, or compressed into a single unsupported number.

Does a desktop report meet lender requirements?

For a suitable, well-documented roof, yes, when it is engineer-signed and built on the BS EN 1991 Eurocodes with the UK National Annexes.

Where Solar Surveys Helps

Every Desktop Structural Roof Loading Report we issue is built to clear technical-advisor review on the first pass, and the on-site structural survey is the thorough route for uncertain or financed roofs. For the scale of the structural issue across UK commercial roofs, read the free 2026 Structural Risk Report.

THE STRUCTURAL TRINITY