16. Financial liabilities
| 
       In CHF 1,000  | 
    
       31.12.2016  | 
    
       31.12.2015  | 
  
| 
       Amortisation obligations on mortgages  | 
    
       322  | 
    
       420  | 
  
| 
       Loans from third parties  | 
    
       5,000  | 
    
       5,138  | 
  
| 
       Current financial liabilities  | 
    
       5,322  | 
    
       5,558  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Mortgages  | 
    
       225,250  | 
    
       335,685  | 
  
| 
       Bond  | 
    
       100,000  | 
    
       -  | 
  
| 
       Loans from third parties  | 
    
       7,089  | 
    
       25,039  | 
  
| 
       Non-current financial liabilities  | 
    
       332,338  | 
    
       360,723  | 
  
| 
       Total financial liabilities  | 
    
       337,660  | 
    
       366,281  | 
  
Mortgages and fixed advances that are not repaid within 12 months but which are renewed are reported under “Non-current financial liabilities” to reflect the economic reality. Mortgages due for repayment within the next 12 months are reported under short-term financial debt.
A CHF 100 million bond maturing on 15 November 2021 was issued on 15 November 2016. The coupon is 0.55%.
| 
       ISIN  | 
    
       CH 033 764 551 6  | 
  
| 
       Currency  | 
    
       CHF  | 
  
| 
       Issuing volume  | 
    
       100 millions  | 
  
| 
       Listing  | 
    
       SIX Swiss Exchange  | 
  
| 
       Coupon  | 
    
       0.55%  | 
  
| 
       Tenor  | 
    
       5 years  | 
  
| 
       Issue date  | 
    
       15 November 2016  | 
  
Investment properties in the amount of CHF 344.3 million (31.12.2015: CHF 365.4 million) were pledged to secure long-term financial debt. 
 
Unused credit lines totalled CHF 136 million at 31 December 2016.
As at the balance sheet date, amounts falling due are as follows: 
| 
       In CHF 1,000  | 
    
       31.12.2016  | 
    
       31.12.2015  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Rollover mortgages  | 
    
       174,736  | 
    
       252,633  | 
  
| 
       Due within the first year 1)  | 
    
       39,905  | 
    
       39,479  | 
  
| 
       Due within the second year  | 
    
       -  | 
    
       29,805  | 
  
| 
       Due within the third year  | 
    
       8,780  | 
    
       -  | 
  
| 
       Due within the fourth year  | 
    
       2,151  | 
    
       12,038  | 
  
| 
       Due within the fifth year and beyond  | 
    
       100,000  | 
    
       2,151  | 
  
| 
       Total mortgages and bond  | 
    
       325,572  | 
    
       336,105  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Loans from third parties 2)  | 
    
       12,089  | 
    
       30,177  | 
  
| 
       Total other financial liabilities  | 
    
       12,089  | 
    
       30,177  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Total financial liabilities  | 
    
       337,660  | 
    
       366,281  | 
  
1) Mortgages due within the first year are reported under non-current liabilities because extensions are planned.
2) Loans from third parties include unsettled purchase prices paid for acquisitions of CHF 10 million (31.12.2015: CHF 15 million), which are amortised annually by CHF 5 million. The remaining loans from third parties have no fixed maturity.
Interest maturity periods are as follows (composition until next interest rate adjustment):
| 
       In CHF 1,000  | 
    
       Interest rates as at 31.12.2016  | 
    
       31.12.2016  | 
    
       31.12.2015  | 
  
| 
       up to one year  | 
    
       
  | 
    
       225,572  | 
    
       180,709  | 
  
| 
       up to 2 years  | 
    
       
  | 
    
       -  | 
    
       28,680  | 
  
| 
       up to 3 years  | 
    
       
  | 
    
       -  | 
    
       -  | 
  
| 
       up to 4 years  | 
    
       
  | 
    
       -  | 
    
       -  | 
  
| 
       up to 5 years and over  | 
    
       
  | 
    
       100,000  | 
    
       126,716  | 
  
| 
       Total mortgages and bond  | 
    
       0.55% – 3.7%  | 
    
       325,572  | 
    
       336,105  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Loans from third parties  | 
    
       
  | 
    
       12,089  | 
    
       30,177  | 
  
| 
       Total other financial liabilities  | 
    
       0.0% – 0.75%  | 
    
       12,089  | 
    
       30,177  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Total financial liabilities  | 
    
       
  | 
    
       337,660  | 
    
       366,281  | 
  
The weighted average interest costs for all mortgages and the bond amounted to 2.0% (2015: 2.2%).