Contracts (Rights of Third Parties) Act 1999: Key legislation governing how third parties may enforce terms of a contract, relevant for guarantee agreements where the guarantor is a third party to the main rental agreement

Statute of Frauds 1677: Historic legislation requiring guarantees to be made in writing and signed to be legally enforceable

Landlord and Tenant Act 1985: Fundamental legislation governing the relationship between landlords and tenants, including basic rights and obligations

Housing Act 1988: Key legislation for residential tenancies, particularly relevant if the guarantee relates to an assured or assured shorthold tenancy

Landlord and Tenant Act 1954: Important legislation for commercial property leases and their security of tenure

Housing Act 2004: Modern legislation covering various aspects of housing law, including deposit protection and housing standards

Consumer Rights Act 2015: Legislation protecting consumer rights, applicable if the guarantor is acting as a consumer rather than in a business capacity

Unfair Contract Terms Act 1977: Legislation regulating unfair terms in contracts, particularly relevant for guarantees to ensure terms are fair and reasonable

Consumer Credit Act 1974: May be relevant if the guarantee arrangement could be construed as a credit agreement

Statute of Frauds Amendment Act 1828: Historical legislation providing additional requirements for guarantee agreements

Mercantile Law Amendment Act 1856: Legislation affecting commercial guarantees and their enforcement

UK General Data Protection Regulation: Regulations governing how personal data must be handled and processed in the guarantee agreement

Data Protection Act 2018: UK's implementation of data protection requirements, relevant for handling personal information of guarantors

Rule Against Penalties: Common law principle ensuring that any penalty for breach of guarantee is a genuine pre-estimate of loss rather than a punishment

Undue Influence Principles: Legal principles protecting guarantors from being pressured or improperly influenced into providing guarantees

Misrepresentation Rules: Legal principles dealing with false statements or omissions that may have induced the guarantor to enter into the agreement

Doctrine of Severance: Legal principle allowing courts to remove invalid clauses while maintaining the rest of the guarantee agreement