b'100 Mercia Asset Management PLC Annual Report and Accounts 2021Notes to the consolidated financial statements continued17. Property, plant and equipmentLeaseholdFurniture andoffice improvements fixtures equipment total000 000 000 000costAs at 1 April 2019 42 77 444 563Additions1 44 45as at 31 March 2020 42 78 488 608additions 52 52as at 31 March 2021 42 78 540 660accumulated depreciationAs at 1 April 2019 15 60 335 410Charge for the year 5 4 64 73as at 31 March 2020 20 64 399 483charge for the year 5 4 61 70as at 31 March 2021 25 68 460 553net book valueAs at 1 April 2019 27 17 109 153As at 31 March 2020 22 14 89 125as at 31 March 2021 17 10 80 10718. Right-of-use assetsProperties000costIntroduced on adoption of IFRS 16 at 1 April 2019 737as at 31 March 2020 and 31 March 2021 737accumulated depreciationIntroduced on adoption of IFRS 16 at 1 April 2019 Charge for the year 139as at 31 March 2020 139charge for the year 142as at 31 March 2021 281net book valueIntroduced on adoption of IFRS 16 at 1 April 2019 737As at 31 March 2020 598as at 31 March 2021 456'