http://www.legislation.gov.uk/asc/2026/5/section/59Building Safety (Wales) Act 2026enStatute Law Database2026-06-22Expert Participation2026-04-28 PART 1SAFETY OF BUILDINGS CONTAINING TWO OR MORE RESIDENTIAL UNITSCHAPTER 8DUTIES OF RESIDENTS AND OWNERS ETC. OF RESIDENTIAL UNITSPower of accountable person to give warning notice: fire and structural safety duty of residents etc. 59 1 In any of cases 1 to 4 an accountable person for a regulated building may give a warning notice under this section to— a a person to whom section 54 (fire safety duties of residents etc. of regulated buildings) applies; b a person to whom section 55 (structural safety duties of residents etc. of category 1 and category 2 buildings) applies. 2 Case 1 is where— a the accountable person considers that the person has contravened, or is contravening, a requirement imposed on the person by section 54(2)(a) or 55(2)(a) in relation to any of the common parts of the building, and b either of the following is the case— i the accountable person is responsible for the part of the building containing the common parts in question, or ii the accountable person is the principal accountable person for the building. 3 Case 2 is where— a the accountable person considers that the person has contravened, or is contravening, a requirement imposed on that person by section 54(2)(b) or 55(2)(b) in relation to a residential unit in the building, and b either of the following is the case— i the accountable person is responsible for the part of the building containing the residential unit in question, or ii the accountable person is the principal accountable person for the building. 4 Case 3 is where— a the accountable person considers that the person has contravened, or is contravening, a requirement imposed on the person by section 54(2)(c) in relation to a thing that is in or forms part of any of the common parts of the building, and b either of the following is the case— i the accountable person is responsible for the part of the building containing the common parts in question, or ii the accountable person is the principal accountable person for the building. 5 Case 4 is where the accountable person considers that the person has failed to comply with a request for information made by the accountable person in accordance with section 54(4) or 55(4). 6 A warning notice under this section is a notice that— a specifies the alleged contravention or failure, b specifies any reasonable steps (which may include the provision of information) that the accountable person considers the person should take, within a reasonable period specified in the notice, to remedy the contravention or failure, c specifies any act that the accountable person considers the person should not do, to avoid repeating or continuing the contravention or failure, and d explains— i that if the person does not comply with the notice the accountable person may apply under section 61 for a contravention order, and ii the effect of such an order. 7 The steps specified under subsection (6)(b) in a warning notice given in case 3 may include payment of a sum if— a the accountable person considers it necessary, as a result of the alleged contravention, to repair or replace the thing that was removed, damaged or interfered with, and b the sum specified in the notice does not exceed the reasonable cost of doing so. 8 Where an accountable person for a building gives a warning notice under this section, the accountable person must ensure that any other person who is an accountable person for the building is informed as soon as reasonably practicable. 9 In subsection (2) “common parts” has the meaning given by section 54(3).‍ S. 59 not in force at Royal Assent, see s. 138(2)