I am a tenant of [name of your block or building/address] and I am hoping that you will be able to help with an accommodation issue.
[Describe the problem. Be brief, factual and do not include details that are not relevant to the issue.]
This has been ongoing for [number] [months/years].
I have tried to get this issue resolved without success. [Explain why contacting your landlord has not worked].
I am hoping that you will be able to {visit me to see the issue for yourself.}
{Advise me as to the best next step.}
{Put pressure on my landlord to [make repairs/address the issue].}
I look forward to hearing back from you soon.