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Cert 0380 (ASHP semi-detached bungalow, worksheet SAP 88.5104) lodges glazing_type=14 on all windows. The worksheet uses U=1.3258 (post-curtain) for line (27), back-calculating to a raw U=1.40 — the SAP10.2 Table 24 row for "Double or triple glazed, 2022 or later" (England/Wales 2022+ / Scotland 2023+ / NI 2022+). Without code 14 in `_API_GLAZING_TYPE_TO_TRANSMISSION` the cascade falls back to `u_window`'s default (~U=2.50 post-curtain), inflating windows HLC by 5 W/K on cert 0380 (6.80 → 11.68). Added `14: (1.4, 0.72, 0.70)` — same U/g/frame as code 13. Codes 13 and 14 are schema siblings within the post-2022 product family (the cert lodgement integer differentiates between DG and TG sealed-unit variants but Table 24 collapses them to the same row). Effect on cert 0380 API path: - windows HLC 11.68 → 6.80 (= worksheet 6.80 exact) - (37) total HLC 104.22 → 99.34 (worksheet 96.09; Δ +3.25 left on walls — next slice closes it) - sap_continuous 86.82 → 87.62 (Δ -1.69 → -0.89; closer to worksheet 88.51) No golden cert residuals shifted (cohort + 9501 don't lodge glazing_type=14). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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| .. | ||
| tests | ||
| __init__.py | ||
| epc.py | ||
| epc_codes.csv | ||
| epc_property_data.py | ||
| field_mappings.py | ||
| historic_epc.py | ||
| historic_epc_matching.py | ||
| mapper.py | ||