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New build snaggingUpdated August 2026 · 5 minute read

When to book a snagging survey: before completion or after?

Snagging inspector marking a defect beside the window of an empty new-build room

The short answer

Best: between build completion and legal completion, when the developer still wants your money and fixes happen fastest. Reality: many developers refuse pre-completion access, in which case book for the first week after you get keys. Either way you're covered - the warranty's two-year defects window obliges the builder to fix properly reported defects long after move-in.

The three windows

  1. 1

    Before legal completion - maximum leverage

    The inspection happens after the developer declares the home finished but before your money moves. Snags get fixed while the sales office still needs your signature. Developers control site access, so this window depends on their cooperation - ask early, in writing.

  2. 2

    First weeks after completion - the practical default

    It's your house now; no permission needed. A professional report submitted inside the first month lands while the developer's after-care team still has your plot on its list, and well within every warranty timeline.

  3. 3

    Before the two-year mark - the backstop

    The defects window typically runs two years from completion for builder-fixable items. A survey at month twenty-one still converts into an obligation list - later than ideal, far better than never. Diarise month twenty-one if you skipped snagging at move-in.

Why earlier beats later

Three quiet advantages. Evidence: at week one, every defect is unambiguously the builder's; at month eighteen, expect "wear and tear" arguments about anything touchable. Attention: after-care teams triage by recency and volume - early reports enter a fresher queue. And convenience: fixes before carpets, furniture and toddlers arrive cost you nothing in disruption; the same fixes later mean trades in your lived-in home.

None of which changes whether snagging is worth it - just when it pays best. The fee itself doesn't move with timing.

Completion date in the diary?

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Common questions

Can the developer really refuse access before completion?

Yes - it's their site until completion, and policies vary from welcoming to blanket refusal. Ask at reservation stage and get any agreement in writing; a developer's attitude to independent inspection tells you something useful either way.

Should I delay completion until snags are fixed?

Usually impractical - your contract sets completion mechanics, and delaying has costs. The stronger play is documenting everything immediately and using the warranty framework, which exists precisely because homes complete unfinished.

What happens after the two-year window?

The warranty's structural cover (typically to year ten) continues for major elements, but day-to-day defects become yours. Hence the month-twenty-one backstop inspection if you never had one - it's the last cheap exit.

Do I submit the report or does the inspector?

Normally you do, in writing to the developer's customer care address, keeping the trail. Good inspectors format reports for exactly that use - itemised, photographed, referenced to standards - and many advise on escalation if responses stall.

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