, Property
The tenant moves in on a Friday. The deposit lands in your account on the Thursday before, because that is when she got paid. You are busy, the boiler needs a part, and the protection gets done four weeks later when you are catching up on admin. Thirty-six days after the money arrived.
Eighteen months on, when you want the flat back, her adviser opens with those thirty-six days, and the conversation is no longer about possession.
Thirty days, counted from the money, not the tenancy
Sections 213 to 215 of the Housing Act 2004 set the regime, as amended by the Localism Act 2011. Within 30 days of receiving a deposit for an assured shorthold tenancy in England or Wales, you must protect it in an authorised scheme and give the tenant prescribed information.
Two details catch people out. The clock runs from the day the deposit is received, not from the start of the tenancy, and a deposit paid early is protected late. And 30 days means calendar days, including the Christmas period, with no extension for weekends. Scotland runs a separate system under the Tenancy Deposit Schemes (Scotland) Regulations 2011, with 30 working days and its own approved schemes. Northern Ireland has its own rules again.
The prescribed information is the second half of the obligation and it is the half that gets missed. It is not a receipt. It includes the scheme details, the amount, the address, your contact details and the tenant's, the details of any relevant person who paid the deposit on the tenant's behalf, the circumstances in which you may retain part of it, and how disputes are resolved. Protecting the money on day eight and sending the information on day forty is a breach, and courts have said so repeatedly.
The penalty is a multiple, and the judge picks it
If you do not protect, or do not give the prescribed information, the tenant or the person who paid the deposit can apply to the county court. The court must order the deposit returned or protected, and must order you to pay between one and three times the deposit.
The minimum of one was put in by the Localism Act, so there is no nil outcome for a technical breach. Where in the range you land is judicial discretion, and the reported cases point the same way: honest muddle at the bottom, repeat breaches and landlords who should know better at the top. A letting agent who does it for a living is not going to get one.
The claim can be brought after the tenancy has ended. It is a distinct cause of action from anything to do with possession, and there is nothing stopping a tenant bringing it once the relationship has already failed. On a £1,400 deposit, three times is £4,200 plus the deposit back, which is most of a year's profit on a single flat.
Where a tenancy runs on into a statutory periodic tenancy, the protection generally continues without re-protecting, provided the deposit stays in the same scheme. Where you take a new fixed term with a different deposit, or move the money, treat it as a new obligation and serve fresh prescribed information. The cheap answer is to re-serve it whenever anything changes.
Custodial and insured are a cash flow decision
There are two shapes of scheme. Custodial means you hand the money to the scheme, which holds it for the term and returns it at the end, and it is free. Insured means you keep the money and pay the scheme a fee to insure it, which costs you a few pounds per tenancy and leaves the cash in your account.
In England and Wales the authorised schemes are the Deposit Protection Service, MyDeposits and the Tenancy Deposit Scheme, and each offers both models. For a landlord with one flat, custodial is the obvious answer, because it removes any chance of spending the money and it removes the fee. For an agent holding client money across a hundred tenancies, insured has an obvious appeal and an obvious risk, which is why client money protection is separately mandatory for letting agents in England under the Client Money Protection Schemes for Property Agents (Requirement to Belong to a Scheme etc.) Regulations 2019.
At the end of the tenancy, the schemes offer free alternative dispute resolution. An adjudicator reads what both sides submit and decides. The submissions that win are the boring ones: a signed inventory with dated photographs, a check-out report, quotes rather than estimates, and a recognition that a carpet does not have an infinite life. Adjudicators apply betterment, so replacing a nine-year-old carpet at full cost is not a deduction you will get.
Separately, the Tenant Fees Act 2019 caps the deposit itself. Five weeks' rent where the annual rent is under £50,000, six weeks where it is £50,000 or more. Taking more than the cap is a separate breach with its own financial penalties, and the excess is recoverable.
It stops your possession notice working
The part that costs the most is not the penalty. Section 215 of the Housing Act 2004 prevents a section 21 notice being given while the deposit is unprotected, or while the prescribed information has not been given. You can cure it by returning the deposit in full, or by returning an agreed part, but you cannot cure it by protecting it late and carrying on as though nothing happened. The prescribed information can be served late and that will unblock a future notice, but it does not extinguish the tenant's claim for the penalty.
The practical effect is that a landlord who wants a property back discovers, at the point of wanting it back, that the notice served two months ago was never valid, and starts again from zero. Add the court queue and a technical slip in week one costs half a year in year two.
The Renters' Rights Act 2025 reshapes possession in England and removes the section 21 route, and commencement is being staged, so check where the rules have actually got to before you rely on any of this. Deposit protection itself is not going anywhere. If anything, a regime where every possession claim runs on a stated ground puts more weight on whether your paperwork was right on day one.
Where this shows up in the game
Letting property arrives in Business Baron with the Property & Construction Track, an add-on to the full game. A missed obligation in the game is not always a fine on the day. More often it is a problem that surfaces months later, when you need something else to go smoothly, and that is the shape of the deposit rules too.