4.2. Land and buildings

(CZK’000)	31 December 2016 adjusted*	Additions adjusted*	Disposals adjusted*	31 December 2015 adjusted*	Additions	Disposals	Transfers between portfolios	31 December 2016
Purchase price
Operating land	82,718	–	66	82,652	–	–	(70,840)	11,812
Operating buildings	739,894	189	6,765	733,318	29,072	532	(674,898)	86,960
Total operating land and buildings purchase price	822,612	189	6,831	815,970	29,072	532	(745,738)	98,772
Non-operating land	16,966	–	–	16,966	–	–	70,840	87,806
Non-operating buildings	94,060	1,625	–	95,685	1,256	–	674,898	771,839
Total non-operating land and buildings purchase price	111,026	1,625	–	112,651	1,256	–	745,738	859,645
Total purchase price	933,638	1,814	6,831	928,621	30,328	532	–	958,417
Depreciation and impairment
Depreciation operating buildings	327,561	14,742	–	342,303	23,075	506	(316,720)	48,152
Total depreciation and impairment of operating land and buildings	327,561	14,742	–	342,303	23,075	506	(316,720)	48,152
Depreciation non-operating buildings	14,261	1,881	–	16,142	13,759	–	316,720	346,621
Impairment non-operating buildings	–	–	–	–	27,500	–	–	27,500
Total depreciation and impairment of non-operating land and buildings	14,261	1,881	–	16,142	41,259	–	316,720	374,121
Total depreciation and impairment	341,822	16,623	–	358,445	64,334	506	–	422,273
Total net book value of operating land and buildings	495,051			473,667				50,620
Total net book value of non-operating land and buildings	96,765			96,509				485,524
Net book value	591,816			570,176				536,144

* note 2.18.1.

As a result of change in utilization of building Bělehradská was the property in 2016 transferred from operating to non-operating (investment) buildings (see collumn Transfers between portfolios). Total transferred net book value of the Bělehradská building and land was CZK 429,018 thousand.