Notice period calculator: the earliest valid date, worked out for you
Pick who is serving notice and when, and this tool works out the earliest date the notice can take effect under the Renters' Rights Act. The rules it applies are the ones set out in full in our notice periods reference.
Assumes a monthly rent period. Antisocial behaviour cases follow their own fast track: see the antisocial behaviour ground. General information, not legal advice.
How the dates are worked out
A tenant's notice must be in writing, give at least 2 months, and expire on the last day of a rent period. The tool takes your serve date, adds 2 months, then moves forward to the first rent period boundary. A landlord relying on the selling or moving in ground must give 4 months and cannot use the ground in the first 12 months of the tenancy. The serious arrears ground carries 4 weeks of notice once the statutory threshold is met, and the breach ground carries 2 weeks, with the court then weighing reasonableness. The full table, including the grounds not covered here, is on the notice periods page, and serving notices correctly covers the mechanics that make a notice valid.
Common questions
How much notice must a tenant give in 2026?
2 months, in writing, expiring on the last day of a rent period. It can be given at any time.
How much notice must a landlord give to sell or move in?
4 months, and the ground cannot be used at all in the first 12 months of the tenancy.
What notice applies to serious rent arrears?
4 weeks, once the statutory arrears threshold is met. Arrears caused solely by benefit delays are disregarded from the threshold.
Does this calculator give legal advice?
No. It applies the standard notice rules to the dates you enter and assumes a monthly rent period. For anything unusual, check the full guides or take advice.
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What is the difference between mandatory and discretionary grounds?
A mandatory ground proved compels the court to order possession; a discretionary ground adds a reasonableness test the court decides on the circumstances.
What replaced the AST in 2026?
The assured periodic tenancy: open-ended, monthly, with possession only on Section 8 grounds and rent increases only via Section 13.