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Accounting policies (Tables)
6 Months Ended
Jun. 30, 2019
Text block [abstract]  
Schedule of Reconciliation about operating lease obligations

The following table reconciles the opening balance for the lease liabilities as at 1 January 2019 based upon the operating lease obligations as at 31 December 2018:

 

      £m  

Operating lease commitments at 31 December 2018

     3,628.2  

Short-term leases not included in lease liabilities

     (73.8

Extension options reasonably certain to be exercised

     115.1  

Signed leases not yet commenced

     (598.1

Gross lease liabilities at 1 January 2019

     3,071.4  

Effect of discounting

     (745.2

Lease liabilities at 1 January 2019

     2,326.2