House rules for a holiday flat: what is actually enforceable

BildProof EditorialUpdated 9/11/20262 min read

Key points

A Hausordnung (house rules) only takes effect if it was visible before booking. Rules communicated afterwards create no claim.

The second, usually overlooked part: even with a valid rule you must evidence the breach and the loss it caused. The rule alone replaces no proof.

Standard terms, §§ 305, 307, 280 BGB

In 60 seconds

Rules must be visible before booking, meaning in the listing and the house rules. A notice inside the flat comes too late.

Write them specifically and briefly. A smoking ban, a party ban, a maximum number of guests and a pet rule are the four most often needed.

A flat penalty clearly exceeding the typical loss is open to challenge. Billing actual costs is sounder.

Even a valid rule does not relieve you of the burden of proof. You must show it was breached and what loss followed.

House rules and documentation interlock: the rule establishes the breach, the capture evidences the loss.

Legal framework

Pre-formulated terms only become part of a contract where the other party was made aware of them at conclusion and could take notice of them. Surprising or unreasonably disadvantageous clauses are void. The burden of proving breach and loss falls on the party asserting the claim.
Paraphrased · Standard terms, §§ 305, 307, 280 BGB

What makes a rule hold

Not enough	Holds
notice inside the flat	rule in the listing before booking
vague wording	specific, brief rule
flat penalty	evidenced actual costs
rule with no documentation	rule plus evidence of the breach

What applies to a smoking breach is in Guest smoked despite the ban; what applies to a party is in Party damage in a holiday flat.

Common mistakes

Posting the rules only inside the flat

Too late. They must be visible before booking.

Setting high flat penalties

Anything clearly exceeding the typical loss is open to challenge.

Relying on the rule alone

You still have to evidence the breach and the loss.

What to do next

Put the four core rules in the listing and the platform house rules. Do it with BildProof, about two minutes a room →

Bill actual costs rather than flat penalties.

Capture the condition at every turnover so a breach is evidenced.

Frequently asked questions

Where must the house rules appear?

Where the guest sees them before booking, meaning in the listing and the platform's house rules. A notice inside the flat, or a line in the arrival message, is too late because the contract is already concluded.

Can I set a penalty for rule breaches?

You can, but enforceability is limited. A flat sum clearly exceeding the typical loss is challengeable as unreasonable. It is sounder to evidence and bill the costs actually incurred.

The guest brought more people than allowed. What can I claim?

The difference to the correct price for the actual number of guests, plus compensation for any concrete additional loss such as increased cleaning. A penalty beyond that is hard to enforce. Here too, you have to be able to evidence the breach.