The Sandwich Class Housing Scheme, comprising a Main Scheme and a Loan Scheme and administered by the HKHS, was introduced in 1993 to help middle income families buy their own homes.

• 房屋协会由一九九三年开始推行夹心阶层住屋计划。这项计划包括一项主体计划和一项贷款计划，用以帮助中等入息的家庭自置居所。