Rental management cost calculator
Keep the fee basis and workload separate
A reliable budget starts with two separate questions: which fee basis applies to the property, and which features increase the actual management workload? This calculator brings both together without turning a minimum fee into a binding quotation.
Enter the number and use of your units and answer four short workload questions. You receive the calculated minimum under Wellhöner's currently published fee model plus a separate workload indicator for your quotation discussion.
The German page “Property management costs” explains pricing for WEG, rental and separate-property management in detail. This tool calculates rental management only. It does not assess the quality of your current processes; use the landlord self-assessment for that. The decision between self-management and delegation is covered by “When is rental management worthwhile?”.
Current Wellhöner model · August 2026
Minimum calculation and workload profile
The fee calculation uses published parameters only. The workload answers do not alter the amount; they show which issues should be clarified in an individual quotation.
Four questions about typical management workload
For each question, choose the description closest to the current position of this specific property.
Calculated minimum
minimum €300.00 net
€357.00 gross
€3,600.00 net
€4,284.00 gross
Answer all four workload questions to receive the separate workload indicator.
How the figure was calculated
For properties with up to nine units, the minimum fee is €300 net per month per property.
Each commercial unit is charged at 3.5% of its monthly rent including service charges, subject to a €30 net minimum. The higher of the property minimum and the sum of the commercial fees applies.
The amount shown is a calculated minimum under the published model, not a quotation. The actual fee may be higher depending on scope and workload.
Transparency
A minimum fee is not the final price
Small properties generate a recurring baseline workload regardless of whether they contain two or nine units. The published model therefore uses a minimum property fee for up to nine units. Commercial units are calculated individually; the higher total remains decisive.
The calculator reproduces this basis mathematically. Workload, service boundaries, contract term, onboarding and exceptional cases are shown separately instead of being converted into invented surcharges.
- Up to 9 total units: minimum €300 net or €357 gross per month and property.
- Commercial use: 3.5% of rent including service charges per unit, subject to €30 net minimum.
- The higher of the property minimum and the total commercial fees is the calculation basis.
- From 10 total units: individual calculation without a flat online figure.
- VAT in the calculator: 19%; any change in the statutory tax position must be considered separately.
Contract, not label
What the management fee actually covers
A monthly fee is comparable only when its underlying scope is clear. Ongoing rental management may include commercial, communication and technical coordination tasks; scope, frequency, authority and response routes must be defined in the contract.
Commercial management
Rent accounting, payment monitoring, billing records, outstanding items and owner reporting.
Tenant communication
Central handling of requests, documented queries, appointments and defined escalation routes.
Technical coordination
Recording and prioritising defects, commissioning and following up agreed contractor services.
Owner decisions
Budgets, major works, contract strategy and other expressly reserved decisions remain with the owner.
Cost risks before signing
What often sits outside the ongoing fee
Additional services are not automatically included or excluded. The specific contract is decisive. Ensure the fee, trigger, approval route and evidence for every extra item are understandable.
New letting and re-letting
Marketing, viewings, selection, contract preparation and handover may be agreed separately.
Onboarding clean-up
Incomplete files, open entries, legacy cases and data migration can create one-off workload.
Legally intensive matters
Dunning, court or eviction proceedings and external legal advice must be separated.
Major technical measures
Refurbishment support, insurance claims, tenders and frequent site visits may trigger extra fees.
Like-for-like comparison
Six questions for a robust quotation comparison
Do not compare monthly figures alone. Two quotations with different inclusions, response routes or extra fees are not economically equivalent.
- Which basic services are expressly included, and how often?
- Which services are charged separately by time, case, unit or percentage?
- Which one-off costs arise for onboarding, data preparation or initial inventory?
- Which authorities, approval limits and owner decisions are planned?
- Which reports, records and status information will owners receive regularly?
- How are term, price adjustment, termination and handover at contract end regulated?
Next sensible step
Do not confuse price, process quality and value
The calculator answers the fee basis and flags workload drivers. The landlord self-assessment checks whether your current processes are organised professionally. Whether delegation is worthwhile also requires a review of time, risk, cover and the duties that remain with the owner.
Conclusion
A sound cost comparison starts with a clear service definition
The calculation basis offers orientation, but only property records, service scope and clearly separated exceptional cases make a fee reliable. Use the result to prepare a transparent quotation, not to replace one.
Have the property and service scope calculated individually
A reliable quotation considers unit mix, use, records, technical condition and the tasks you want to delegate.
Enquire about rental managementAuthor, editorial review and sources
Wellhöner Immobilienmanagement GmbH & Co. KG
- Wellhöner Kostenmodell – Hausverwaltung KostenWellhöner Immobilienmanagement GmbH & Co. KG
- § 1 BetrKV – Betriebskosten und ausgeschlossene VerwaltungskostenBundesministerium der Justiz / Gesetze im Internet
- § 556 BGB – Vereinbarungen über BetriebskostenBundesministerium der Justiz / Gesetze im Internet
Frequently asked questions
Rental management cost calculator FAQ
Is the result a binding quotation?
No. It is a calculated minimum under the published fee model. A quotation is only produced after the property, records, service scope and exceptional cases have been reviewed.
Why is there a minimum fee for up to nine units?
Small properties still create recurring baseline work for availability, accounting, communication, records and coordination. The minimum is therefore stated per managed property rather than as a fixed fee for each flat.
Why is no flat amount shown from ten units?
As unit numbers rise, use mix, property structure, service scope and economies of scale interact differently. The published model therefore provides for an individual quotation from ten total units.
How are commercial units calculated?
Each commercial unit is charged at 3.5% of its monthly rent including service charges, subject to a €30 net minimum. The individual amounts are added; the higher of that sum and the property minimum applies.
Does a high workload indicator automatically change the fee?
No. The indicator deliberately creates no flat surcharge. It flags matters to clarify in the quotation. Whether and how they affect the fee depends on the agreed service scope.
Which additional services may be charged separately?
Depending on the contract, re-letting, onboarding clean-up, legally intensive matters, major refurbishment or insurance claims and unusually frequent site visits may be charged separately.
Why are net and gross figures shown?
The model states the fee net; the tool also displays gross at 19% VAT for orientation. The quotation, invoice and applicable tax position remain decisive.
Can landlords pass management fees to residential tenants?
Under section 1(2) BetrKV, management costs are not operating costs for German residential tenancies. Commercial and other exceptional arrangements should be reviewed against the actual contract.
Is this the same as the landlord self-assessment?
No. This calculator considers the fee basis and workload drivers of professional management. The self-assessment uses 15 questions to examine the organisation of your current management processes.
Are my entries stored or transmitted?
No. They remain only in browser memory for the current page use. No personal, address or tenant data is needed and no user profile is created.