Ground 8: Serious Rent Arrears

Ground 8 is the ground most private landlords will use most often: the mandatory route for serious rent arrears. It is also the ground with the most operationally important quirk in the whole of Schedule 2 — the arrears threshold has to be met twice, and a tenant paying down arrears at the last minute can defeat the claim entirely.

Statutory basis

Ground 8 is amended (not replaced) by Schedule 1 to the Renters' Rights Act 2025, raising the arrears threshold from its pre-reform level. It remains within Schedule 2 to the Housing Act 1988. There is no separate "Ground 8A" — the reform amended the existing ground's threshold rather than creating a new one, a distinction worth being precise about given how often the two get conflated in informal commentary.

The threshold

The tenant must be at least three months in arrears (13 weeks if rent is paid weekly or fortnightly) — up from the pre-reform threshold of 2 months (8 weeks). This is the single biggest substantive change the Renters' Rights Act made to Ground 8.

The two-point rule — the trap that defeats more claims than anything else

Critically, the threshold must be met both when the notice is served and at the court hearing. This is not simply a snapshot at the moment of service — it must still be true on the day the case is heard, potentially months later.

If the tenant reduces the arrears below the threshold at any point before the hearing — even by a partial payment that brings the total just under three months' worth — Ground 8 fails as a mandatory ground, however far above the threshold the arrears were when notice was originally served. The court has no discretion to look past this: mandatory means mandatory, in the tenant's favour as much as the landlord's once the letter of the ground isn't met.

This is exactly why experienced landlords never plead Ground 8 alone.

Mandatory or discretionary

Mandatory — but only while the threshold condition is actually satisfied at the hearing. This dual nature (mandatory in principle, contingent on a fact that can change) is what makes Ground 8 both powerful and fragile compared with the true no-discretion grounds like Ground 1 or 1A, where the underlying facts (relationship, intention) don't fluctuate week to week the way an arrears balance does.

Notice period

4 weeks — doubled from the pre-reform 2-week minimum notice period that applied to the old Ground 8.

The Universal Credit exclusion

One exclusion matters specifically for benefit-dependent tenants: arrears that arise solely because Universal Credit the tenant was entitled to has not yet been paid do not count toward the Ground 8 threshold. This distinguishes genuine non-payment from administrative delay in a benefit the tenant has a right to. Landlords should keep records that separate "the tenant hasn't paid" from "the tenant's UC payment is delayed" — the two are not interchangeable for Ground 8 purposes, and conflating them risks a claim that looks stronger on paper than it actually is in law.

Evidence courts expect

• A complete, dated rent ledger covering the whole tenancy or at least the arrears period, showing the running balance at every point — not just a total figure.
• The ledger updated right up to the hearing date, since the court needs to see the position on the day, not just at service.
• Clear identification of any Universal Credit-related payment gaps, distinguished from genuine non-payment.
• Correct notice mechanics — Form 3A citing Ground 8, with the 4-week notice period observed and the threshold met at service.

Why landlords plead Grounds 10 and 11 alongside Ground 8

Because a Ground 8 claim can collapse entirely if arrears drop below the threshold before the hearing, the standard practice is to plead Ground 10 (any arrears at all, discretionary) and Ground 11 (persistent late payment, discretionary) on the same notice and claim form. If Ground 8 fails on the day, the claim can still proceed — at the court's discretion — on the arrears that remain or on the tenant's payment history, rather than the whole case being lost. See Ground 10 and Ground 11 for how each works as a fallback.

Transitional position for tenancies that started before 1 May 2026

The raised threshold (3 months/13 weeks, up from 2 months/8 weeks) applies to any Ground 8 notice served on or after 1 May 2026, regardless of when the tenancy itself began or when the arrears first arose. A landlord who was tracking arrears against the old 2-month threshold before the reform needs to recalculate against the new figure before serving notice after that date.

Common mistakes

• Pleading Ground 8 alone. The single most consequential error — always add Grounds 10 and 11 as fallbacks.
• Letting the ledger go stale. A rent ledger that stops updating a month before the hearing leaves the court unable to confirm the threshold is still met on the day.
• Miscounting the threshold for weekly rent. Confusing "roughly three months" with the precise 13-week figure for weekly/fortnightly tenancies.
• Counting Universal Credit payment delays as arrears. This inflates the apparent arrears figure in a way that doesn't hold up to the exclusion once scrutinised.
• Assuming a Ground 8A exists. It doesn't — check any source using that label against the primary legislation.

The cost of getting it wrong

As with every ground, citing Ground 8 without a reasonable belief it applies (for example, deliberately overstating arrears) risks a civil penalty of up to £7,000, rising to £40,000 (as an alternative to prosecution) plus a possible rent repayment order of up to two years' rent, where the landlord acted knowingly or recklessly and the tenant left without a court order.

What happens next

If the tenant does not leave once the Form 3A notice expires, the landlord files Form N5 with Form N119 particulars of claim, court fee £415. Keep the rent ledger current all the way through to the hearing date — this is the single most important practical step in a Ground 8 case.

Related grounds and guides

See Ground 10: Some Rent Arrears and Ground 11: Persistent Late Payment — the two discretionary grounds routinely pleaded alongside Ground 8. For the full ground list, return to Section 8 Grounds for Possession. For rent-arrears eviction generally, see How to Evict a Tenant for Not Paying the Rent.