Xylo Core

or not scalable enough. Rule-based automation was explored but could not handle the complexity of planning documents. Rules engines also cannot easily handle diverse document types (including images), free-text or different report styles and formats. The chosen LLM-based workspace offers significant productivity gains with adaptable prompts accompanied by a comprehensive suite of bias evaluations and regression tests and human-in-the-loop editing.

Validation and planning officers retain full control over all decisions. They must review every suggestion, verify its relevance, and edit any draft text. Officers can ignore or override any recommendation. Sources and reasoning are provided with every recommendation and an audit log tracks all activity allowing any officer and/or auditor to trace exactly what information Xylo supplied and what the officer kept.

Standard planning appeal procedures are unchanged. As the tool does not make decisions, all officer determinations remain subject to normal review through planning committees and the Planning Inspectorate. The planning officer is always in control and responsible for making all decisions. If there is a freedom of information request or a judicial review about any decision, the tool can provide a full audit trail o...

National and local planning policy documents - https://www.leeds.gov.uk/planning/planning-policy