1. Information

(1) In the following we inform you about the collection of personal data when using our website. Personal data is all data that can be related to you personally,
e.g. name, IP address, possibly e-mail addresses, etc.

(2) Responsible according to Art. 4 Para. 7 General Data Protection Regulation (GDPR) is:

Wandelhalle Martens Verwaltung & Projektentwicklung GmbH

represented by the owners and operators Daniel Martens and Hans Joachim Martens

Glockengiesserwall 8-10

20095 Hamburg

Phone: +49 40 33 12 13

Fax: +49 40 33 76 53


Hamburg district court, registration number: HRB 80119.

Sales tax identification number according to §27a sales tax law 48/767/02415

2. Your rights

2. Your Rights

(1) You have the following rights towards us with regard to your personal data:

– right to information,

– right to correction or erasure,

– right to restriction of processing,

– right to object to processing,

– right to object to processing if consent has been given,

– right to data portability.

(2) You also have the right to complain to a data protection supervisory authority about our processing of your personal data.

3. Storage of access data

(1) Each time our website is accessed, access data is stored in a log file on our web server.

(2) This data record consists of e.g. your IP address, date and time of the request, the name of the requested file, the amount of files transferred and the access status, a description of the web browser and operating system used and the name of your Internet service provider.

(3) We use technologies from etracker GmbH, Erste Brunnenstraße 1, 20459 Hamburg on our website.  With each individual visit to our site, these databcomponents are collected and stored for marketing and optimization purposes, which can then be used to create user profiles under a pseudonym through the use of cookies. The data collected in this way will not be used to personally identify the visitor to our website without the specially granted consent of the visitor. In addition, this data is not merged with personal data and not with usage profiles created under a pseudonym. For more information, visit

4. Links to external media services

We do not use plug-ins on this website, only direct links to social media providers. If you do not want these providers to associate access data with your user account, please log out of them before clicking on any of their links.

The data collected there may be transferred by the aforementioned companies to countries outside the European Union and may also be merged with other data there. A level of data protection appropriate to the legal framework of the European Union cannot always be guaranteed.

Facebook: Social network; Service provider: Meta Platforms Ireland Limited, 4 Grand Canal Square, Grand Canal Harbour, Dublin 2, Ireland; parent company: Meta Platforms Inc, Menlo Park, California, USA.

Facebook Data Policy:

Page Insights Information

Privacy policy: Standard contractual clauses:

Instagram: social network; service provider: Meta Platforms Ireland Limited, 4 Grand Canal Square, Grand Canal Harbour, Dublin 2, Ireland; parent company: Meta Platforms Inc, Menlo Park, California, USA.

Information on the joint responsibility agreement:

Privacy Policy:

5. Liability for contents

The contents of our pages were created with the utmost care. However, we cannot assume any guarantee or liability for the correctness, completeness and currentness of the contents. If we become aware of any legal violations, we will remove this content immediately.

6. Liability for links

Our pages may contain links to external third-party websites over whose content we have no control. Therefore, we cannot assume any liability for these external contents.

7. Data security

We secure our website and other systems through appropriate technical and organizational measures against loss, destruction, access, modification or distribution of your data by unauthorized persons. However, despite regular checks, complete protection against all hazards is not possible.

Our website uses the industry standard SSL/TLS (Secure Sockets Layer) for encryption. This ensures the confidentiality of your personal information over the Internet. You can tell whether an encrypted transmission is taking place from the closed key or lock symbol in your browser display. We would like to point out that data transmission on the Internet (e.g. when communicating by e-mail) can have security gaps. A complete protection of the data from access by third parties is technically not possible.

8. Data sharing

– if you have given your express consent to this in accordance with Art. 6 para. 1 a) DSGVO have given;

– if the transfer is necessary for the fulfillment of contractual obligations pursuant to Art. 6 para. 1 b) DSGVO is required;

– if we are legally obligated to disclose the data within the meaning of Art. 6 para. 1 c) GDPR are;

– if the disclosure of the data is in the public interest within the meaning of Art. 6 para. 1 e) GDPR lies or;

– if the disclosure of the data according to Art. 6 para. 1 f) DSGVO is necessary to protect our legitimate interests or the legitimate interests of a third party, unless your interests in the protection of your data override these interests.

9. Automated decision making

We do not use automated decision making.

10. Categories of recipients


We use IT service providers who work exclusively on our behalf and in accordance with our instructions (order processing) to provide the service offered, e.g. hosting this website or operating our IT. They have been carefully selected and commissioned by us, are bound by our instructions and are regularly inspected.

Third party receiver

In order to be able to process your requests satisfactorily, we may have to pass on your personal data to third party recipients such as e-mail providers for technical reasons.

11. Duration of the storage of personal data

Your data will be stored by us for as long as it is needed for the respective purposes underlying the processing. Beyond that, we only store data insofar as we are legally obligated to do so, e.g. due to statutory retention obligations.

12. Detailed information on the right of objection

An objection to the processing of personal data concerning you, based on Article 6 para. 1 e) DSGVO (data processing in the public interest) or f) DSGVO (data processing for the protection of legitimate interests based on a balance of interests) is possible at any time in accordance with Article 21 DSGVO. In the event of an objection, the personal data shall no longer be processed unless compelling legitimate grounds for the processing are demonstrated which override the interests, rights and freedoms of the data subject, or the processing serves the purpose of asserting, exercising or defending legal claims.

Please address your objection to the responsible office mentioned under point 1.

13. Detailed information on the right of withdrawal

If you have given us your consent to the processing of personal data, you may revoke this consent at any time. Of course, this also applies to declarations of consent given to us before May 25, 2018 (before the applicability of the GDPR). The revocation of consent can only be valid for the future. The lawfulness of the processing is not retroactively eliminated by a revocation.

Please address your revocation to the responsible office mentioned under point 1.

14. Topicality

This privacy policy has the status 01.04.2023. It is the current and valid version of our privacy policy.

15. Borlabs cookie

This website uses Borlabs Cookie, which sets a technically necessary cookie (borlabs-cookie) to store your cookie consents.

Borlabs Cookie does not process any personal data.

The borlabs-cookie cookie stores the consent you gave when vising the website. If you wish to revoke these consents, simply delete the cookie in your browser. When you re-enter/reload the website, you will be asked again for your cookie consent.