Guides · United Kingdom · recruiters, HR & hiring managers
Probation period wording in job adverts: literacy for recruiters, not a verdict
“Six-month probation”, “must pass trial period”, “permanent after successful probation” — probation lines belong in contracts and handbooks, but they still appear on public job boards when clients paste policy paragraphs wholesale. This guide helps you read what those phrases are doing on the live advert, and separate hire-stage policy from wording that filters candidates before apply. Literacy only — not employment-law advice and not Equality Act clearance.
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Why probation wording gets a second look on drafts
Probation is a normal employment stage. On a job advert, problems tend to be clarity and placement — not whether probation exists:
- Blunt pass/fail filters — “will be dismissed if probation failed” reads harsher on a board than in a contract.
- Confusion with unpaid trial — “trial period” beside “working interview” cues — see unpaid trial shift wording.
- Fixed-term overlap — maternity cover with probation language — see maternity cover wording.
- EO footer mismatch — equal opportunities banner above aggressive trial language — see equal-opportunities line vs the title.
How to read the cue on a draft
- Is duration stated? “Probation applies” without length forces candidates to guess.
- Is it employment probation or pre-employment trial? Separate unpaid trial language from post-offer probation.
- Does the advert imply automatic termination? Contract detail may belong off the public board.
- Does salary copy match probation terms? “Full rate after probation” needs the rate structure clear — see salary band wording.
Common patterns on UK job ads
| Pattern on draft | What it often means | Rewrite toward |
|---|---|---|
| “Six-month probationary period” | Standard post-start review window | State duration; move dismissal detail to offer pack |
| “Must pass trial period” | Vague performance gate | Name review timing; avoid “trial” if you mean probation |
| “Permanent role subject to probation” | Indefinite contract with review | Clarify permanent vs fixed-term first |
| “Probation includes unpaid training days” | Pay risk cue | Separate training pay from probation label |
| “Extended probation for career changers” | Group-specific term | Human review — may intersect with experience cut-offs in years-of-experience guides |
Desk habit before multi-board blast
- Move contract-only probation sanctions to the offer letter, not the Indeed body.
- Keep one clear sentence on duration if clients insist on mentioning probation.
- Check part-time and shift modules still align — part-time hours wording, overtime and weekend shifts.
- Paste the edited draft into VacancyCheck — step 4 on the pre-publish checklist.
- Prefer paste over live URL pre-publish.
What this guide is not
- Not legal advice on probation dismissal, notice, or unfair dismissal.
- Not Equality Act clearance or a compliance certificate.
- Not guidance on whether probation clauses are lawful — only on published advert wording.
- Not HR policy writing — inventory and rewrite prompts only.
Related guides
- Unpaid trial shift wording on job ads
- Maternity and paternity cover wording
- Pre-publish job-ad wording checklist
- Wording patterns worth a self-check
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Not legal advice. Not Equality Act clearance. Informational wording hygiene only. Last reviewed 28 September 2026.