Below is a sample complaint letter regarding a residential tenancy issue. Remember in some cases you will need to use a formal notice and follow the proper process for issuing a notice. 

Your name
Your address
Your phone number
Your email address (if you have one)

Date

Name of owner or real estate agent
Street
Suburb/Town
State Postcode

Dear Sir/Madam (or put the name of the owner or estate agent if you know it)

Re: (insert address of property)

I am writing about (put the issue you are writing about here, for example, repairs/copy of documents/notice for visits for the property at address).

This is causing some stress because (say what effect the issue is having on you, for example, it has created a health or safety risk/it is causing financial loss/it is restricting my privacy and quiet enjoyment).

I would appreciate it if you would (say here what you want the owner/agent to do and when you would like it done by ñ but be reasonable with your timeframes, for example: 

• have appropriate repairs carried out but be specific for example, to fix the broken window or replace the broken bathroom tiles by...
• provide receipts/documents, specify what receipts/documents you need, by... 
• abide by my right to privacy and quiet enjoyment by giving correct notice in future before entering the premises).

I am very happy in this tenancy and look forward to remaining here on good terms. Could you please respond in writing to this letter within seven days to confirm what action you will be taking.

Yours sincerely

(Your signature)
(Your name)

Tips

• Keep a copy of any letters you send to the owner/agent.
• Keep your contact with the owner/agent polite
• If you're sending documents, for example quotes, receipts, bills, etc, send copies only, not originals