Chapter 1 General Provisions |
Art. 2 Definitions
1 In this Act, «home» means a collection of rooms that:
2 In this Act, «principal home» means a home that is occupied by at least one person who is permanently resident in the commune in which the home is located in accordance with Article 3 letter b of the Register Harmonisation Act of 23 June 20063. 3 The following homes are deemed equivalent to principal homes:
4 In this Act, «second home» means a home that is neither a principal home nor equivalent to a principal home. |
Art. 3 Duties and powers of the cantons
1 Where required, the cantons shall specify in their structure plan measures to encourage greater occupancy of second homes and to promote the hotel industry and reasonably priced principal homes. 2 They may issue regulations that limit the construction and use of homes more strictly than this Act. |
Chapter 4 Construction of New Homes in Communes with a Proportion of Second Homes in excess of 20 per cent |
Chapter 5 Alteration of Homes in Communes with Proportion of Second Homes in excess of 20 per cent |
Section 1 Homes subject to the Previous Law |
Art. 11 Changes to structure and use
1 Homes subject to the previous law are not subject to any restrictions on residential use; existing or future restrictions on use under the cantonal or communal law are reserved. 2 Such homes may be renovated, converted, or demolished and rebuilt without any requirement to impose restrictions on use under Article 7 paragraph 1. Within building zones, the main useable area may be extended by a maximum of 30 per cent of the main usable area existing on 11 March 2012. Within these limits, additional homes and buildings may be created.4 3 If the extension of an existing home exceeds the area mentioned in the second sentence of paragraph 2, the extension shall be permitted provided the home is declared to be a principal home as defined in Article 7 paragraph 1 letter a or a home intended as managed tourist accommodation as defined in Article 7 paragraph 1 letter b in conjunction with Article 7 paragraph 2 letter a or b and the relevant authorisation requirements are met. The building authority shall order a corresponding restriction on use in the building permit and instruct the land registry to note the restriction on use in the land register as soon as the building permit becomes legally effective.5 4 The foregoing is subject to any other requirements of federal and cantonal law. Outside building zones, the permissibility of changes to structure and use shall be determined in accordance with the provisions of the spatial planning legislation.6 4 Amended by No I of the FA of 15 March 2024, in force since 1 Oct. 2024 (AS 2024 501; BBl 2023 1480, 2025). 5 Amended by No I of the FA of 15 March 2024, in force since 1 Oct. 2024 (AS 2024 501; BBl 2023 1480, 2025). 6 Amended by No I of the FA of 15 March 2024, in force since 1 Oct. 2024 (AS 2024 501; BBl 2023 1480, 2025). |
Art. 12 Abuse and undesirable developments
1 The cantons and communes shall take the measures required to prevent cases of abuse and undesirable developments that may result from the unrestricted use of homes subject to the previous law as second homes. 2 To this end, the cantons may impose more stringent restrictions than those contained in this Act on the change of use of homes previously used as principal homes to second homes together with the possible changes in accordance with Article 11 paragraphs 2–4. If these changes in use and structure do not require a building permit, the cantons may introduce a building permit requirement. |
Chapter 6 Implementation |
Art. 16 Duties to notify
1 The authority responsible for the residents’ register office in a commune with a proportion of second homes in excess of 20 per cent shall notify the building authority of persons who:
2 The land registry shall notify the building authority of the recording in the land register of any transfer of ownership of property located in a commune with a proportion of second homes in excess of 20 per cent in respect of which a restriction on use has been noted in accordance with Article 7 paragraph 1. The cantons shall regulate the notification procedure. 3 The information required from the residents’ register offices and the land register in order to implement Articles 4 and 7 may be recorded in the Federal Register of Buildings and Dwellings. The information shall be recorded by the authority competent for updating this register. |
Art. 17 Official measures in the case of unlawful use
1 If a home with a restriction on use under Article 7 paragraph 1 is not used in accordance with the law, the competent authority shall set a deadline for the owner to restore the lawful position under notice of substitute performance and the penalty under Article 292 of the Criminal Code7 in the event of failure to do so. The authority may extend the deadline at the request of the owner in justified cases. 2 If the owner fails to restore the lawful position within the relevant deadline, the competent authority shall prohibit the use of the home and order it to be sealed. 3 The competent authority shall take the measures required to restore the lawful position. In particular, it may rent out the home subject to compliance with the restriction on use under Article 7 paragraph 1. 4 If members of the competent building authorities or their employees become aware of offences in the course of their official activities, they are required to report the same immediately to the supervisory authority in accordance with Article 15. |
Art. 18 Official measures in the event of unlawful use
1 The competent authority shall have all the rights and obligations that it requires to restore lawful use on behalf of the owner. 2 It may instruct third parties to carry out the required measures. 3 The rental income in accordance with Article 17 paragraph 3 shall be paid to the owner under deduction of the administrative costs incurred by the competent authority and any third parties instructed. |
Art. 19 Review of impact and proposed measures
1 The Federal Office for Spatial Development, working with the State Secretariat for Economic Affairs, shall regularly review the impact of this Act. It shall in particular review its impact on tourism and the economy in the regions concerned. 2 The relevant departments shall report to the Federal Council periodically. If required, the reports shall also propose further measures, particularly in relation to location promotion. The first reports shall be filed four years after this Act comes into force. |
Art. 20 Jurisdiction, procedure and rights of appeal
1 The assessment of applications for building permits and notification of decisions on building permits shall be governed exclusively by the relevant cantonal provisions. Article 112 paragraph 4 of the Federal Supreme Court Act of 17 June 20058 is reserved. 2 In addition and subject to the provisions of this Act, jurisdiction, procedures and rights of appeal are governed by the Spatial Planning Act of 22 June 19799 and the related cantonal implementing provisions. |
Chapter 8 Final Provisions |
Art. 24 Amendment of other legislation
The following acts are amended as follows: …10 10 The amendments may be consulted under AS 2015 5657. |
Art. 25 Transitional provisions
1 This Act applies to applications for building permits that are considered at first instance or on appeal after this Act comes into force. 2 If a building permit that was granted and took legal effect before 11 March 2012 requires the execution of the work to be postponed pending a decision relating to quotas, the competent building authority may authorise the work to begin at the latest within two years of this Act coming into force provided the building permit did not specify a period within which the work must start or postponed the start of the work for a period that ends no later than two years after this Act comes into force. 3 If the proportion of second homes in a commune falls to 20 per cent or less, the building authority shall, at the request of the owner, revoke any restriction on use under Article 7 paragraph 1 and instruct the land register to delete the relevant note on the land register folio for the property concerned. 4 Building permits that were granted and took legal effect before 31 December 2012 under the relevant cantonal procedural law shall remain valid. 5 Building permits that were granted and took legal effect in accordance with relevant cantonal procedural law after 1 January 2013 but before this Act came into force shall remain valid provided they are based on the Ordinance of 22 August 201211 on Second Homes. |
Art. 26 Project-related special land use plans
1 In communes with a proportion of second homes in excess of 20 per cent, homes that are the subject of a project-related special land use plan that at least to a significant extent involves the construction of second homes may be authorised without any restriction on use under Article 7 paragraph 1 if this plan:
2 Amendments to special land use plans in accordance with paragraph 1 are permitted provided there is no increase in the proportion of homes without restriction on use under Article 7 paragraph 1 and in the proportion of main usable areas occupied by such homes. |
Art. 27 Preliminary inquiries before 18 December 2007
Irrespective of the requirements of Article 7 paragraph 2 and Articles 8, 9 or 26, a building permit application for a new home may be authorised without restriction on use under Article 7 paragraph 1 if:
|