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Your tenants' association for carefree living in legal matters – become a member and benefit from the advantages!

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Brochures and rent, operating and heating cost analyses,
contracts and protocols to download

The guidebooks of the DMB publishing house

‘Das Mieterlexikon’, “Die zweite Miete”, “Ratgeber Umzug” etc. - you can buy all the guides and brochures in our offices or conveniently order them from the DMB online shop.
Order now!

Rental information from us for you

Are you looking for a flat? Are you threatened with a rent increase? Or is your landlord changing? Find out everything you need to know in our tenant information.
Download now!

House rules, tenancy agreement, handover protocol

Are you thinking of renting a flat? Then you can use these samples as a guide when assessing the contracts and contract components offered to you. Download now for free!

Rent and heating costs

Not sure whether your rent is reasonable? Have a look at the rent index! Is your heating energy consumption average? Or is your heating bill too high? The heating index, which provides you with statistical comparative values, will provide you with information on this. See for yourself!

Operating costs

Take a look at the operating costs tables for Germany and NRW to find out the average operating costs. You can also compare your operating costs online with the national average and have them assessed. Benefit now!

Tenant knowledge from A to Z!

You're always smarter afterwards! To avoid this, we have compiled important information on typical tenant-landlord topics for you. They will enable you to familiarise yourself with the basics. If you would like individual advice, become a member now – or contact our lawyers directly as a member.

Redemption agreements

Rent increase

Permafrost

Tenant modernisation

Change of ownership

Tenancy Law Amendment Act

Energy saving tips

Modernisation

Moisture and mould

New tenant

Garage

Rights Obligations in old age

Heating

Tips for finding accommodation

Security deposit

Conversion/ privatisation

Cancellation

Moving tips

Defects and rent reduction

What is allowed and what is not

Rent and ancillary costs

Housing benefit

Interesting information on the net

Below you will find selected Internet addresses that we recommend. The collection of links is updated regularly. If you have found an interesting website that enriches our collection, please send us an e-mail.

Housing industry

Institut für Wohnungsrecht und Wohnungswirtschaft an der Universität zu Köln 

Arbeitsgemeinschaft Kölner Wohnungsunternehmen 

Deutscher Verband für Wohnungswesen, Städtebau und Raumordnung 

Verband der Wohnungswirtschaft Rheinland Westfalen e.V. 

Bundesverband Deutscher Wohnungsunternehmen 

Bundesverband freier Immobilien- und Wohnungsunternehmen 

Kuratorium NRW – Betreutes Wohnen für ältere Menschen Nordrhein-Westfalen e.V.

Cologne pages

Kölner Anti Spray Aktion 

AWB – Abfallwirtschaftsbetriebe Köln 

ASB Köln – Arbeiter Samariter Bund 

Köln.de

Inter/national tenant organisation

Deutscher Mieterbund DMB 

International Union of Tenants IUT

Consumer information

Wohnberatungsstellen in Nordrhein-Westfalen 

Wohngeldrechner für Nordrhein-Westfalen 

Verbraucherzentrale Bundesverband e.V. 

Verbraucher-Zentrale Nordrhein-Westfalen e.V.

Heizspiegel