‘(1) Subject to regulations 4 and 6, the criteria to be used in determining the matters referred to in paragraphs (a) and (b) of section 4(5) of the 1999 Act in respect of a person falling within section 4(2) or (3) of that Act are- (a) that he appears to the Secretary of State to be destitute, and (b) that one or more of the conditions set out in paragraph (2) are satisfied in relation to him. (2) Those conditions are that- ……’
‘(1) …(not relevant); (2a) If the Secretary of State decides not to provide accommodation for a person under section 4, or not to continue to provide accommodation for a person under section 4, the person may appeal to the First-Tier Tribunal. (3) On an appeal under this section, the First-Tier Tribunal may – (a) require the Secretary of State to reconsider the matter; (b) substitute its decision for the decision appealed against; or (c) dismiss the appeal.’
“there are today cogent objections to the operation of undisclosed policies affecting individual entitlements or expectations. It is right and proper that a policy…be published…The necessary consequence and indeed purpose of publication is that people will, where appropriate, rely upon it.”
“(i) the rule that a public authority should not defeat a person’s legitimate expectation is an aspect of the rule that it must act fairly and reasonably; (ii) the rule operates in the field of substantive as well as procedural rights; (iii) the categories of unfairness are not closed; (iv) the making of an unambiguous and unqualified representation is a sufficient, but not necessary, trigger of the duty to act fairly; (v) it is not necessary for a person to have changed his position as a result of such representations for an obligation to fulfil a legitimate expectation to subsist; the principle of good administration prima facie requires adherence by public authorities to their promises.”