Section 13 Notice Generator

Create a valid Form 4 rent increase notice

This free tool generates a Section 13 rent increase notice (Form 4) with automatic notice period calculations. Enter your details below and download a notice ready to serve on your tenant.

Track this automatically with LandlordOS - free for 1-2 properties

Important: Section 13 only applies to periodic tenancies. Ensure at least 12 months have passed since the tenancy started or the last rent increase. The new rent date must fall on a rent payment day.

Landlord Details

Tenant Details

Current Rent Details

For monthly tenancies. The new rent must start on this day.

New Rent

Notice Dates

Must be after minimum notice period and on a rent day

About Section 13 Notices

Section 13 of the Housing Act 1988 allows landlords to increase rent on periodic assured and assured shorthold tenancies. The notice (Form 4) must be served on all tenants, giving proper notice before the new rent takes effect.

Notice periods by frequency

Payment frequency Minimum notice
Weekly1 month
Fortnightly1 month
Monthly1 month
Quarterly3 months
Yearly6 months

Key requirements

  • Only use for periodic tenancies (not fixed term)
  • At least 12 months since last increase or tenancy start
  • New rent must start on a rent day
  • Serve on ALL named tenants
  • Tenant can challenge at tribunal within 28 days

After the Renters' Rights Act

Section 13 becomes the only legal method to increase rent. Notice period increases to 2 months for all tenancies.