Contact us

If you are experiencing problems requesting repayment of your deposit, or raising a dispute, please read this document before contacting us:

 Go to INSURED scheme guide      Go to CUSTODIAL scheme guide

If you are a tenant, and wish to set up your online account, request an activation link or to reset your password, please enter your email address (which is your username) here:

Set up/access account

TDSNI aims to provide agents, tenants and landlords with the best possible service at all times. These customer service standards set out the quality of service you can expect to receive.

Read our Customer Service Standards here.


Tenancy Deposit Scheme Northern Ireland
PO Box 2105


Telephone: 0300 037 3700 

It would be helpful if you could include the following information with your enquiry:

  • Your full name
  • Whether you are the landlord, agent or tenant
  • The tenancy address to which the deposit relates
  • The Tenancy ID (i.e. NI00000 or DAN00000)
  • Your email address
  • Your mobile telephone number