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Here, we show that replacing a single\u2010interface BaTiO\n                    <jats:sub>3<\/jats:sub>\n                    \/SrRuO\n                    <jats:sub>3<\/jats:sub>\n                    (BTO\/SRO) bilayer with an SRO\/BTO\/SRO trilayer produces a pronounced enhancement of the topological\u2010Hall\u2010like response. The trilayer exhibits a maximum extracted topological\u2010Hall\u2010like resistivity of 0.8\u00a0\u00b5\u03a9\u00a0cm, approximately 2.5 times larger than that of the bilayer, together with a broad stability window from 5 to 90\u00a0K. Atomic\u2010scale strain and polarization\/displacement mapping reveal structurally and electrostatically nonequivalent upper and lower SRO environments, while AFM shows substantially greater morphological modulation in the trilayer. Micromagnetic simulations demonstrate that noncoplanar magnetic configurations are physically permissible over a finite parameter range in this architecture. However, because the two nonequivalent SRO layers may also contribute distinct anomalous Hall channels, the microscopic origin of the hump\u2010like Hall contribution cannot be uniquely assigned from the present transport measurements. The experimentally established result is that the trilayer architecture substantially enhances and broadens the topological\u2010Hall\u2010like response compared with the bilayer.\n                  <\/jats:p>","DOI":"10.1002\/advs.78126","type":"journal-article","created":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T05:14:27Z","timestamp":1791350067000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Interfacial Asymmetry and Surface Roughness Enhanced Topological\u2010Hall\u2010Like Transport in SRO\/BTO\/SRO Trilayers"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2420-1144","authenticated-orcid":false,"given":"Sagar E.","family":"Shirsath","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering The University of New South Wales  Sydney New South Wales 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