In Louth, begin by asking your landlord in writing for the deposit’s return and request an itemised explanation, invoices or other evidence for any proposed deductions. A landlord may generally retain money only for a lawful, evidenced reason, such as rent arrears or damage beyond normal wear and tear. If you cannot resolve the issue, you can apply to the Residential Tenancies Board (RTB) for dispute resolution, usually through mediation or adjudication, provided the tenancy falls within its remit. The outcome depends on the evidence and individual facts, so consider getting advice from Threshold or a solicitor if the dispute is complex.