Home surveys explained: Level 1 vs 2 vs 3 — which do you need?

The valuation is not a survey

When you apply for a mortgage, the lender arranges a valuation. Its only job is to confirm the property is adequate security for the loan. It may be a brief visit, a drive-by, or increasingly a “desktop” valuation done entirely from data — no one need set foot in the house at all. You often don't even see the report.

A survey is something you commission, from a surveyor working for you, to assess the property's condition. The Royal Institution of Chartered Surveyors (RICS) defines three levels.

Level 1 — Condition Report

The lightest option: a traffic-light summary of the property's condition with no advice and no valuation. Cheapest (£300–£600), but in practice rarely worth commissioning — if a property is new or conventional enough to justify Level 1, the gap to a far more useful Level 2 is small.

Level 2 — HomeBuyer Report

The standard choice for conventional properties in reasonable condition — most estates, terraces, semis and flats built in the last century. The surveyor inspects everything visible and reasonably accessible, flags defects with traffic-light ratings, and highlights anything needing urgent attention or further investigation.

• Cost: roughly £400–£1,000 depending on property size and price
• Covers damp, roof condition (from the ground), timber, services on visual inspection, insulation
• Does NOT lift floorboards, move furniture, or inspect what can't be seen
• Can be ordered with or without a market valuation

Level 3 — Building Survey

The full examination, and the right call for anything older (pre-1900 is an easy rule), unusual in construction, extended, visibly defective, or that you plan to renovate. The surveyor examines everything reasonably accessible in depth, explains causes of defects, and outlines repair options with indicative approaches.

• Cost: roughly £700–£1,500+, scaling with size, age and price
• The report is long and detailed — expect 40+ pages and read all of them
• Still a visual inspection — but a far more forensic one, by a surveyor expecting trouble

Choosing in practice

• Post-1980 house or flat, no visible issues → Level 2
• Victorian or Edwardian terrace → Level 3 (age wins, even if it looks immaculate)
• Anything extended, converted, thatched, timber-framed or non-standard → Level 3
• New build → a snagging survey instead — a different product aimed at builder defects
• Choose an RICS-accredited surveyor who knows the local area, and book promptly after your offer is accepted — survey delays hold up the whole conveyancing timeline

When the survey finds problems

It almost always finds something — that's the point. The question is severity. Minor maintenance items are normal in any lived-in house. For significant findings (roof, damp, structural movement, electrics), get a specialist quote for the repair, then use it: renegotiate the price, ask the seller to fix it before exchange, or — for the genuinely alarming — walk away. A £500 survey that saves you from a £30,000 underpinning job is the best money in the entire transaction.