Upload your record of inspection and site notes. Pre Check EPC reads every field, checks it against the RdSAP10 Conventions, and flags what a smoke-test audit would catch — before you lodge.
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You have put 'Unknown' — provide documentary evidence supporting this, or revert to 'As Built'. 'Unknown' is reserved for exceptional circumstances and wrongly suppresses the insulation recommendation.
Convention 3.03a / 3.03b — "Unknown" insulation typeA 14.47m-wide window is almost certainly a decimal typo for 1.447m. As entered, it adds ~13m² of phantom glazing and materially distorts the heat loss calculation and the final rating.
Measurement sanity — DIM-01Three dropdowns are still on their default. Resolve every field — lodging with software defaults is a data-entry failure an auditor will flag immediately.
Incomplete data entry — DATA-01'Unknown' is permitted for a pitched roof with no loft access — only if your site notes explain why access wasn't possible. Confirm that justification is written down.
Convention 3.03b — clarification required in site notesYour main heating is a PCDF entry dated 2015–2025 (Daikin Altherma), but the circulation pump is recorded as pre-2013. Verify and align, or note why the older pump was retained.
Heating consistency — HEAT-01Open fire in grate reconciles with 1 open chimney. Window count and orientations are plausible for the footprint. Addendum answers match the report body, and the recommended measures align with the recorded construction.
Every finding cites its RdSAP10 Convention or specification reference, so you can check the source yourself.
The checklist is updated as new audit patterns emerge — your next check is always against the latest rules.
Built by a practising DEA and trainer. This is the pre-lodgement discipline taught to new assessors, automated.