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Section 157 Serious Breach Notice (Wales)

Possession notice for serious breach of an occupation contract. Used where the contract-holder has committed a serious breach or is responsible for serious rent arrears, and the landlord seeks immediate possession proceedings.

What's inside

  • Section 157 prescribed notice
  • Serious-breach evidence log
  • Contemporaneous incident diary template
  • Witness-statement framework
  • Court bundle index
  • Contract-holder covering letter
Who it's for

Welsh landlords facing serious breach, rent arrears of eight or more weeks, or anti-social behaviour.

Who it's not for

No-fault possession (use LS-W-011 s.173) · minor breaches not reaching the seriousness threshold.

Regulation-current
Reviewed against: Renting Homes (Wales) Act 2016 s.157
Applies in Wales. Each file carries a dated footer so you can prove currency.

Questions about this template

Is this template legally binding?+

The template produces a document that, once completed and signed by the parties, has the same legal effect as any written agreement. LetSafe UK provides self-help templates, not legal advice — for advice on your specific circumstances, consult a regulated solicitor.

Who can I serve this notice on?+

This Section 157 Serious Breach Notice (Wales) is designed for service by a private landlord in wales. Serve personally, by first-class post, or by the method permitted in the tenancy agreement. Keep a dated copy and proof of service.

What format is the download?+

You receive an editable Microsoft Word (DOCX) file and a typeset PDF immediately after payment. You can fill the DOCX in Word, Google Docs, or LibreOffice.

Can I use this template again for another property?+

Yes — the template is licensed for unlimited use by a single private landlord across your own portfolio. It is not licensed for resale or for use by letting agents acting for third parties.

What if the regulation changes?+

Free updates are included for 12 months from purchase. We maintain a regulation-currency register and re-issue the template when the underlying law moves.

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