29. Trade and other payables

in PLN thousand	As at 31 December 2018	As at 31 December 2017 (transformed data)
Trade payables due to subsidiaries and other related entities	18 071	34 670
Trade payables due to other entities	17 735	12 243
Tax, custom duties and social security payables	23 638	20 610
Payables due to tangible assets' acquisition	39 858	27 960
Grants	3 214	3 214
Environmental fees	2 841	1 193
Liabilities from property insurances	2 381	2 530
Other payables and accruals	714	503
	108 452	102 923