The demographic shift towards an aging population presents challenges in healthcare, notably in addressing frailty and dementia. Hospitalization risks, including out-of-area (OOA) admissions, are well-documented. This evaluation focused on the Intensive Support Team (IST), designed to reduce hospitalisations for older adults, usually over 75 years old, and adults with dementia facing mental health crises. The study assessed the effectiveness of IST within the Specialist Dementia and Frailty Service (SDFS) in West Essex. Using a retrospective comparative design, IST admission data from 2018 (pre-IST) and 2022 (post-IST) were analysed, covering 246 patients’ records. Objectives included evaluating changes in admission rates for patients under or eligible for SDFS and comparing with other community teams, as well as examining IST’s impact on hospital stay length. Chi-square analysis showed a significant reduction in SDFS admissions post-IST, though no significant change was found for other admissions. One-way ANOVA revealed no significant difference in admission length. The results support IST’s effectiveness in reducing hospital admissions, aligning with NHS long-term goals and informing policy and clinical decisions.