What UK property investors and tradespeople must check after the Renters’ Rights Act and shifting lending costs

The Renters’ Rights Act 2026 and recent moves in lending costs change the operating landscape for UK landlords, property investors and the tradespeople who support them. If you manage or maintain rental property, now is the time to pause and check paperwork, possession strategies, and refinancing assumptions to reduce legal and financial risk.

This article sets out practical checkpoints tied to the new law and the shifting mortgage environment. The aim is to give clear, no-nonsense steps you can take immediately, from meeting service deadlines and updating tenancy documents to stress-testing cashflow and preparing trades teams for compliance-driven demand.

Immediate legal actions every landlord must take

From 1 May 2026, existing assured shorthold tenancies (ASTs) became assured periodic tenancies under the Renters’ Rights Act 2026. That change means you can no longer rely on Section 21 ‘no-fault’ notices for possession in newly commenced actions, so review any live possession plans and stop using Section 21 for new notices.

There are tight transitional deadlines to watch. If you served a Section 21 notice before 1 May 2026, you must ensure any possession proceedings are pursued within the usual court timeframes and in line with GOV.UK guidance, notably the practical cut-off points in the implementation roadmap.

Read the government’s implementation roadmap before acting. It explains phased rollout elements such as enforcement measures and later changes (phase 2) that will affect how disputes are resolved and recorded; following it reduces the chance of procedural error that could lead to penalties.

Check tenancy paperwork and urgent service deadlines

The law requires landlords and agents to provide the Renters’ Rights Act Information Sheet to tenants. For existing written tenancies this had to be served by 31 May 2026. If you haven’t yet served the document, do so immediately and keep proof of service.

For tenancies starting on or after 1 May 2026, key terms must be given in writing. Where a tenancy is verbal, separate written information must still be provided. Make sure your tenancy templates, inventories and tenant communications reflect these requirements and that dated delivery records are retained.

Local authorities and guidance highlight updated forms are needed from 1 May 2026 (for example Form 3A and Form 4A for certain possession and rent processes). Verify the forms and templates you use have been revised and replace older versions in your management system.

Possession, eviction and rent increase processes to verify

Possession now normally proceeds via Section 8 grounds rather than Section 21, and the grounds themselves have been expanded and adjusted. Before serving any notice, check the precise statutory ground you intend to rely on and ensure you have evidence to support it; invalid notices risk delay or penalty.

The rent increase process has changed too. After 1 May 2026, landlords must follow the new rent-increase process and give proper written notice, council guidance indicates rent increases require at least two months’ notice. Keep dated notices and records that show you followed the statutory timing and method.

There remain routes to seek possession to sell a property or to move in, but these must be used under the correct statutory grounds and transitional rules. If you plan a ‘sell or move in’ possession, document your decision, the timing and any evidence you may need should the tenant challenge the notice.

Budget for higher penalties and procedural risks

Compliance matters now carry greater financial exposure. The maximum rent repayment order has increased from one year’s rent to two years’ rent. That makes procedural mistakes, such as failing to provide required written information or incorrectly served notices, more expensive if challenged.

Retain evidence of compliance for every tenancy event: information sheets, served notices, rent-increase notices, repair records and correspondence. In the Section 8-led regime, courts will expect robust documentary trails supporting possession claims and rent-change steps.

Also note phase 2 of the reforms (from late 2026) will introduce a Private Landlord Ombudsman and a national property database. These changes will increase scrutiny and create new complaint pathways, prepare your records now to reduce future disputes.

Shifting lending costs: what investors must reassess

The Bank of England reports that borrowing costs have eased following recent reductions in Bank Rate and that buy-to-let borrowing rates have broadly tracked these changes. That can create refinancing opportunities, but line rates alone don’t give the whole picture for investment viability.

Re-test your refinance assumptions against the current mortgage-rate environment. Lenders’ product availability and margins change quickly; run updated scenarios for loan-to-value, interest rates and term length to see how profits and cashflow are affected under realistic rates.

Where you plan to refinance, compare lender quotes and confirm any introductory offers, fees and product transfer conditions. Even modest rate changes affect yields, especially on leveraged portfolios, so treat refinancing as a material part of investment planning rather than an administrative step.

Portfolio landlords: underwriting, cashflow and stress-testing

Bank of England supervision highlights that portfolio landlord lending is more complex because aggregate debt, tenant turnover and variable tenancy incomes must be considered. Lenders are applying tighter underwriting standards and closer scrutiny for portfolio borrowing.

Don’t rely on line yield figures only, retest cashflow across the portfolio. Build worst-case scenarios for voids, higher repair bills under the new compliance regime, and possible rent repayment orders. Stress-test cashflow to confirm you can meet mortgage payments and other obligations even if a few tenancies fall vacant or face dispute.

If you use broker or lender models, ensure they account for the Renters’ Rights Act changes (for example longer notice timing and tougher evidence requirements) and current market rates. Up-to-date documentation, accurate rent rolls and transparent expense records will materially improve your underwriting outcome.

Tradespeople: prepare for more compliance-driven work

The new system increases demand for documented repairs, safety checks and timely maintenance. With Section 8 requiring evidence for possession and courts expecting detailed records, landlords will look to trusted tradespeople to deliver inspections and remedial work with dated, auditable records.

Trades teams should expect more requests for certified checks, photos with timestamps, signed completion notes and consistent invoicing. Clear scheduling, fast response times and the ability to supply organised paperwork will make you the supplier of choice as landlords prioritise compliance and defensible record-keeping.

Also check your own business templates and processes: create standard completion certificates, ensure digital records are backed up, and be ready to provide evidence quickly. Providing this extra level of documentation can protect you and help landlords avoid heavier penalties or disputes.

Practical next steps: a concise landlord and trades checklist

Start with a short, dated action list: confirm you served the Renters’ Rights Act Information Sheet by 31 May 2026 where required; replace Section 21 notices in new cases with Section 8 plans; and update rent-increase letters to meet the new process and minimum notice (typically two months).

Update templates and forms (including Form 3A and Form 4A where relevant), store proof of service and receipts for any compliance work, and re-run cashflow models for each property and the wider portfolio under current mortgage rates. If you have any live Section 21 matters served before 1 May 2026, monitor court deadlines carefully and seek advice if dates are tight.

Finally, read the official implementation roadmap and keep an eye on phase 2 developments later in 2026, the Private Landlord Ombudsman and national property database will change complaint and enforcement pathways. When in doubt, take a conservative, evidence-first approach: it protects the investment and keeps tenants’ rights clear.

The Renters’ Rights Act 2026 and recent shifts in lending costs are significant but manageable if you act deliberately. Prioritise paperwork, evidence, updated tenancy processes and robust cashflow stress-testing to lower legal and financial risk across your holdings.

If you want a short, practical checklist for your properties or a simple template for recording repairs and notices, seek free, no-obligation advice from regulated providers or trusted professional advisers. A timely, evidence-led approach protects both your investment and the tenants who live in your homes.