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Jun-te Kim 5c11fd35c8 Validate SAP calculator vs Elmhurst; fix reduced-field window U; add accuracy harness 
Reduced-field window U: heat_transmission derived the synthesised-window
raw U from u_window(all None) -> the 2.5 placeholder regardless of glazing.
Now routes the (uniform) glazing_type code through u_window (RdSAP Table 24)
so e.g. double pre-2002 reads 2.8, not 2.5. Only the pre-SAP10 reduced-field
path is affected (21.0.1 certs carry per-window U upstream) — the RdSAP-21.0.1
corpus gauge is unchanged at 66.9% within-0.5.

test_real_cert_sap_accuracy: pin uprn_10002468137 (RdSAP-17.1, all-electric
storage heaters) at SAP 61, validated against Elmhurst on identical inputs
(dual off-peak immersion, 110 L cylinder, 2 baths). Our engine reproduces
Elmhurst's fuel cost to the penny; lodged 55 is the old SAP-2012 schema.

Tooling to grow the accuracy corpus:
- scripts/fetch_real_life_epc_sample.py — capture a cert by UPRN into the corpus.
- scripts/compare_epc_paths.py — diff gov-API vs Elmhurst-summary EpcPropertyData
  and run both through the engine, localising mapper vs calculator differences.
- skill validate-cert-sap-accuracy — the end-to-end loop (capture -> Elmhurst
  inputs -> human builds -> compare -> reconcile -> pin in the test).
- skill epc-to-elmhurst-rdsap-inputs reference: corrected immersion (code 1=dual),
  cylinder size (code 2 = Normal/110 L), and bath-count (WWHRS sub-tab) mappings.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-15 15:26:11 +00:00
..
eon added floats helper 2026-06-12 14:28:41 +00:00
analyse_api_sap_clusters.py scripts: promote the API SAP-accuracy toolkit from /tmp 2026-06-04 16:52:09 +00:00
compare_epc_paths.py Validate SAP calculator vs Elmhurst; fix reduced-field window U; add accuracy harness 2026-06-15 15:26:11 +00:00
decompose_api_cost_error.py feat(diag): per-component cost decomposition for API SAP errors 2026-06-06 17:37:05 +00:00
decompose_co2_pe_error.py fix(heat-network): apply Table 4c(3) flat-rate charging factor to demand 2026-06-14 01:54:51 +00:00
download_cotality_evidence.py new methods for downloading all core files for pashub URL. Download currently not being authorised 2026-03-24 08:47:59 +00:00
elmhurst_input_sheet.py fix(debug-tool): read the domain field names, not the schema ones 2026-06-05 19:48:02 +00:00
eval_api_sap_accuracy.py scripts: promote the API SAP-accuracy toolkit from /tmp 2026-06-04 16:52:09 +00:00
fetch_2026_epc_sample.py scripts: promote the API SAP-accuracy toolkit from /tmp 2026-06-04 16:52:09 +00:00
fetch_cohort2_api_jsons.py Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
fetch_epc_bulk_sample.py feat(modelling): sample a year from the EPC bulk export, offline-ready 2026-06-04 12:20:57 +00:00
fetch_epc_dump.py feat(modelling): CLI to fetch an EPC dump + build the inspection report 2026-06-04 11:26:17 +00:00
fetch_real_life_epc_sample.py Validate SAP calculator vs Elmhurst; fix reduced-field window U; add accuracy harness 2026-06-15 15:26:11 +00:00
historic_epc_demo.py added type hinting to uprn 2026-05-12 09:40:12 +00:00
init_db.py init db 2026-03-31 11:45:59 +00:00
profile_api_error.py feat(diag): profile API SAP error against raw-API characteristics 2026-06-07 20:38:19 +00:00
profile_case34.py docs(profile-case34): mark the space-demand residual closed (450e33e1) 2026-06-11 09:01:41 +00:00
run_audit_generator_local.py empty commit to trigger workflows 2026-06-11 09:32:14 +00:00
run_modelling_cohort.py feat(modelling): turnkey offline cohort script (tables + CSV) 2026-06-04 09:30:53 +00:00
run_modelling_e2e.py 17.1 and 18 done by claude 2026-06-12 12:52:36 +00:00
run_property_report.py feat(modelling): CLI to fetch an EPC dump + build the inspection report 2026-06-04 11:26:17 +00:00