Check a data drop in seconds

Add the three MLCS3 files. Every property is tested for completeness, consistency and range, and you get a send-ready query report. Nothing leaves your device.

Upload files

Column order and heading variations are handled automatically.

1 PropertiesProperties to Return · UPRN, Postcode, Survey Date, Type Add file 2 Components100 Year Maintenance Data · Component, Quantity, Years, Cost Add file 3 AttributesLocation Attributes · UPRN, Attribute, Value Add file

Data drop date (optional)

What it checks

Presence & completenessRequired components and attributes for each property type.

Agreed MLCS3 rangesQuantities, ages, lifecycles and costs within bounds.

Cross-file consistencyUPRN, postcode and type reconcile across all three files.

All processing happens locally in this browser. No file is uploaded to any server. Photographs and physical condition are out of scope.

Reading files and running checks...