Survey guide · 16 January 2026

The RICS Level 3 Building Survey: A Guide for Home Buyers

When a Level 3 Building Survey may be appropriate, what it covers and how to use its findings.

Large altered Victorian home suitable for a Level 3 Building Survey

When Level 3 may be right

It is commonly considered for older, larger, significantly altered or unusual properties, buildings in poor condition, and purchases where major work is planned.

Level 3 compared with Level 2

A Level 2 Home Survey gives proportionate condition advice for many conventional properties. Level 3 provides more detailed analysis of defects, likely causes, consequences and repair priorities.

Using the findings

Read priorities alongside the full explanation, obtain specialist quotations where recommended, and discuss significant findings with the surveyor before exchange.

Independent advice. Personal service.

Think you may need a survey?