Khalim Conn-Kowlessar 23245a085c test(elmhurst): party-ceiling BP window is vertical, not a rooflight 🟥 ... _is_elmhurst_roof_window mis-routes a vertical window (Location "External wall") to sap_roof_windows when the building part's roof is a PARTY ceiling (A "Another dwelling above" / NR "Non-residential space above"). A party ceiling has no external roof, so it cannot host a rooflight. Surfaced by simulated case 53 (cert 000565 re-keyed as a mid-floor electric- storage flat, roof "A Another dwelling above"): its External-wall window (U 2.00) routed to sap_roof_windows -> window area not deducted from the wall (wall over-counted ~7 W/K) + priced as a roof window -> our SAP 74.0 vs Elmhurst worksheet 75. Elmhurst lodges it Type "Window", Location "External wall". Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>		2026-06-27 07:06:04 +00:00
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epc	test(elmhurst): party-ceiling BP window is vertical, not a rooflight 🟥	2026-06-27 07:06:04 +00:00
__init__.py	feat(modelling): Epc.sap_lower_bound() — band → minimum SAP (#1160)	2026-06-03 12:50:40 +00:00