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Section 173 Notices in Wales: The No-Fault Route

HousingWalesReviewed by Civil Help editorial team: 27 August 2026Next review: 27 August 20276 min read
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A section 173 notice is the main no-fault route a landlord in Wales can use to end a periodic standard occupation contract. The minimum notice period is six months, and a landlord cannot use it at all in the first six months of the contract.

Key points

  • A section 173 notice is Wales's no-fault route for ending a periodic standard occupation contract, under the Renting Homes (Wales) Act 2016.
  • The notice must give at least six months before the date it takes effect, under section 174(1).
  • A landlord cannot give a section 173 notice within the first six months of the contract's occupation date, under section 175(1).
  • For substitute contracts, the six-month bar is measured from the original contract's occupation date, not the substitute contract's start.
  • Section 173 applies only to periodic standard contracts — it is a fundamental provision incorporated into every one of them.
  • A landlord can instead use a fault-based ground if one applies; if you do not leave, the landlord must apply to court before you can be evicted.

What Is a Section 173 Notice?

Section 173 of the Renting Homes (Wales) Act 2016 lets a landlord end a periodic standard contract by giving the contract-holder notice to give up possession on a specified date, without having to prove any fault on the contract-holder's part.

Under section 173(2), the section 173 notice procedure is a fundamental provision — it is written into every periodic standard contract by the Act itself, and a landlord and contract-holder cannot remove it by agreement.

Receiving a section 173 notice does not mean you have to leave on the date given. It is the first step a landlord must take before they can apply to court for a possession order if you do not leave voluntarily.

The Six-Month Minimum Notice

Section 174(1) of the Act sets the minimum length of a section 173 notice: "The date specified in a notice under section 173 may not be less than six months after the day on which the notice is given to the contract-holder."

In practice, this means that from the day your landlord gives you a valid section 173 notice, you have at least six months before the date it specifies for you to give up possession.

If a notice specifies a date less than six months after the day it was given, it does not meet the section 174(1) requirement and is not a valid section 173 notice.

No Notice in the First Six Months

Section 175(1) of the Act also stops a landlord using section 173 at all in the early part of a contract: "The landlord may not give notice under section 173 before the end of the period of six months starting with the occupation date of the contract."

So a section 173 notice cannot validly be given until at least six months have passed since your occupation date — combined with the six-month notice period itself under section 174(1), this means a periodic standard contract cannot be ended by a section 173 notice any earlier than around twelve months after it started.

Sections 175(2) and 175(3) extend this rule to substitute contracts — where your occupation contract has been replaced by a new one, for example after a change to the terms. In those cases, the six-month bar is measured from the occupation date of the original contract, not the date the substitute contract started. This stops the six-month clock being reset every time a contract is technically replaced.

When Section 173 Does Not Apply

Section 173 only applies to periodic standard contracts. It does not apply to secure contracts, and it is not the only way a landlord can seek to end a standard contract — a landlord can instead rely on a fault-based ground (for example, rent arrears or anti-social behaviour) if one applies, using a different notice procedure set out elsewhere in the Act.

A landlord choosing between a section 173 no-fault notice and a fault-based ground will usually depend on the circumstances and on the evidence available. If you have been given a notice and are not sure which type it is, or whether it has been served correctly, check the notice itself and the date it specifies against the section 174 and 175 rules above, or get it checked by Citizens Advice or Shelter.

What Happens If You Do Not Leave

A section 173 notice does not itself end your occupation contract or give your landlord the right to remove you. If the date specified in the notice passes and you have not left, your landlord must apply to court for a possession order before you can lawfully be evicted. You do not have to leave simply because a notice has expired.

The court process that follows a section 173 notice, including how a possession order is obtained and enforced, is a separate procedure from the notice itself. If you are served with court papers, seek advice promptly from Citizens Advice or Shelter, or a solicitor, as there may be a defence available or a chance to negotiate more time.

Frequently asked questions

How much notice does a landlord have to give under section 173?
At least six months, starting from the day the notice is given to you. This is set out in section 174(1) of the Renting Homes (Wales) Act 2016. A notice specifying a shorter period does not meet the legal requirement.
Can my landlord give me a section 173 notice as soon as I move in?
No. Section 175(1) stops a landlord giving a section 173 notice until at least six months have passed since your occupation date. Combined with the six-month notice period itself, this means a periodic standard contract generally cannot be ended by section 173 until around a year after it began.
My contract was replaced with a new one recently — does the six-month bar restart?
No. Under section 175(2)-(3), where a substitute contract has replaced an earlier one, the six-month bar is measured from the occupation date of the original contract, not the date the substitute contract started. A change of contract does not reset the clock.
Does section 173 apply if I have a secure contract?
No. Section 173 applies specifically to periodic standard contracts. If you have a secure contract, a different set of rules applies to how your landlord can end it — check with your landlord, Rent Smart Wales, or Citizens Advice if you are not sure which type of contract you have.
Do I have to move out on the date given in the notice?
No. A section 173 notice on its own does not end your right to occupy the property. If you do not leave by the date given, your landlord must apply to court for a possession order, and only a court can ultimately require you to leave and authorise enforcement.

Official bodies and resources

Citizens Advice

Charity

Provides free, confidential, and independent advice on a wide range of issues including benefits, housing, debt, and employment.

Shelter

Charity

A housing charity providing advice and support for people who are homeless or at risk of losing their home.

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Disclaimer

This information is for general guidance only and does not constitute legal advice. You should seek qualified legal help if your situation requires it.