
Gavin Lilley delivered robust engineering solutions for the Planning-Inspectorate/appeals-back-office repository, focusing on end-to-end workflow enhancements, notification reliability, and data integrity. He built and refined features such as dynamic notification templates, test data generation APIs, and document management flows, applying technologies like Node.js, TypeScript, and Express.js. His technical approach emphasized API-driven development, comprehensive input validation, and environment-aware configuration, ensuring maintainable and scalable systems. By addressing both backend and frontend requirements, Gavin improved user experience, reduced operational friction, and strengthened compliance. The depth of his work is reflected in thorough testing, code refactoring, and production-ready database management practices.
February 2026 focused on delivering a robust Notification System in Planning-Inspectorate/appeals-back-office. Implemented email deduplication for appellants, prioritized agent emails when both are present, and introduced a dedicated notification path for invalid enforcement appeals, enhancing compliance visibility and reducing operational noise. Key commits include deduplication of appellant correction emails (55b652427ca596933da78340b98167291dbdb4af) and enforcement invalid notifications (6a4ea2494a875f45e6503a5ad40656401a6eba13).
February 2026 focused on delivering a robust Notification System in Planning-Inspectorate/appeals-back-office. Implemented email deduplication for appellants, prioritized agent emails when both are present, and introduced a dedicated notification path for invalid enforcement appeals, enhancing compliance visibility and reducing operational noise. Key commits include deduplication of appellant correction emails (55b652427ca596933da78340b98167291dbdb4af) and enforcement invalid notifications (6a4ea2494a875f45e6503a5ad40656401a6eba13).
Month 2026-01 performance summary: Delivered key improvements in notification templates and notification management across two repositories, driving clearer, timely, and accurate communications to appellants and users. Features include Template Modernization for Appeals/Advertisements and deprecation of inspector notifications, alongside a bug fix for accurate feedback URL generation. Overall impact includes improved data integrity, reduced notification noise, and more reliable user-facing messaging. Demonstrated API-level templating, content governance, and release hygiene.
Month 2026-01 performance summary: Delivered key improvements in notification templates and notification management across two repositories, driving clearer, timely, and accurate communications to appellants and users. Features include Template Modernization for Appeals/Advertisements and deprecation of inspector notifications, alongside a bug fix for accurate feedback URL generation. Overall impact includes improved data integrity, reduced notification noise, and more reliable user-facing messaging. Demonstrated API-level templating, content governance, and release hygiene.
Month: 2025-12. Key features and improvements delivered across two repos, with a focus on consistency, data integrity, and reliable notifications. Planning-Inspectorate/appeal-planning-decision: BYs Banner Feedback URL Standardization refactored to use a generic feedback URL on all BYs pages, replacing page-specific banner HTML overrides. This reduces UI drift and simplifies maintenance. Commit ca233022d7dcc630e5767d4db99ba6fa662ae5ac (fix(A2-5377: use generic feedback url on all bys pages)). Appeals Back Office: API and database maintenance including removal of deprecated appeal decision routes/controllers/services and reverting Prisma v7 upgrade to align with current architecture; plus production DB seeding enhancement with LPAs mapping to teams for improved data integrity; and missed site visit notification improvements ensuring correct recipients and tests for null-email scenarios. Commits: 605ccedd1fc4a4c522a6d8327dd9fe2e68252b7a; 3264781c6d664bf42d9f857bcf8e28ed2c4acef2; 19a32c31f7d198b5e2c0358bafbcbfb80bdde969; ae44f68f299ffb66fd00f09556e32b5e7f6f0d8c. Overall impact: Reduced API surface area and technical debt, improved data integrity in production data, and more reliable, context-aware notifications. These changes contribute to faster development cycles, lower maintenance costs, and more predictable production behavior.
Month: 2025-12. Key features and improvements delivered across two repos, with a focus on consistency, data integrity, and reliable notifications. Planning-Inspectorate/appeal-planning-decision: BYs Banner Feedback URL Standardization refactored to use a generic feedback URL on all BYs pages, replacing page-specific banner HTML overrides. This reduces UI drift and simplifies maintenance. Commit ca233022d7dcc630e5767d4db99ba6fa662ae5ac (fix(A2-5377: use generic feedback url on all bys pages)). Appeals Back Office: API and database maintenance including removal of deprecated appeal decision routes/controllers/services and reverting Prisma v7 upgrade to align with current architecture; plus production DB seeding enhancement with LPAs mapping to teams for improved data integrity; and missed site visit notification improvements ensuring correct recipients and tests for null-email scenarios. Commits: 605ccedd1fc4a4c522a6d8327dd9fe2e68252b7a; 3264781c6d664bf42d9f857bcf8e28ed2c4acef2; 19a32c31f7d198b5e2c0358bafbcbfb80bdde969; ae44f68f299ffb66fd00f09556e32b5e7f6f0d8c. Overall impact: Reduced API surface area and technical debt, improved data integrity in production data, and more reliable, context-aware notifications. These changes contribute to faster development cycles, lower maintenance costs, and more predictable production behavior.
Concise monthly summary for 2025-11 focused on Planning-Inspectorate/appeals-back-office. Highlights include delivery of features for Advertisement Appeals Handling and Feedback Links Management with dynamic retrieval, fixes to feedback links in costs decision notifs, module import resolution, and expanded transition-state test coverage. These changes improve user notification accuracy, standardize feedback link handling, and raise reliability through tests. Key impacts include reduced risk of incorrect feedback forms, improved end-user experience, and greater system robustness. Technologies demonstrated include API development in JavaScript/TypeScript, dynamic data retrieval, robust testing, and code quality improvements.
Concise monthly summary for 2025-11 focused on Planning-Inspectorate/appeals-back-office. Highlights include delivery of features for Advertisement Appeals Handling and Feedback Links Management with dynamic retrieval, fixes to feedback links in costs decision notifs, module import resolution, and expanded transition-state test coverage. These changes improve user notification accuracy, standardize feedback link handling, and raise reliability through tests. Key impacts include reduced risk of incorrect feedback forms, improved end-user experience, and greater system robustness. Technologies demonstrated include API development in JavaScript/TypeScript, dynamic data retrieval, robust testing, and code quality improvements.
October 2025 (2025-10) monthly summary for Planning-Inspectorate/appeals-back-office. The team delivered several end-to-end features in the test environment and production-like workflows, enhanced data handling, and improved user communications, while stabilizing the database interaction lifecycle. This has strengthened QA readiness, reduced risk in data operations, and expanded the system’s validation and messaging capabilities.
October 2025 (2025-10) monthly summary for Planning-Inspectorate/appeals-back-office. The team delivered several end-to-end features in the test environment and production-like workflows, enhanced data handling, and improved user communications, while stabilizing the database interaction lifecycle. This has strengthened QA readiness, reduced risk in data operations, and expanded the system’s validation and messaging capabilities.
September 2025 monthly summary focusing on key accomplishments and business value. Highlights include targeted improvements to appeal-related workflows and expanded test-data capabilities, delivering measurable business impact through improved information accuracy, faster QA cycles, and safer test environments.
September 2025 monthly summary focusing on key accomplishments and business value. Highlights include targeted improvements to appeal-related workflows and expanded test-data capabilities, delivering measurable business impact through improved information accuracy, faster QA cycles, and safer test environments.
August 2025 monthly summary for Planning-Inspectorate/appeals-back-office: Delivered key features and fixes that improve notification flows and case visibility. Enhanced appeal notification system with consolidated content, routing, and templates for appellants, LPA, and site visit notifications. Integrated Design and Access Statement into appellant case summaries and mapped UI visibility in CAS components. Fixed critical issues around final comments templates and site visit access logic. These changes improve transparency, reduce support tickets, and accelerate case resolution. Key commits include: 4b0073dbe14a850af1f62eeaa08da8803599649d, ec43ffe2039145d7053eba3f9696376f694152a0, 420d2c19cc4758958e66258655cb88167ccf867f, ce3c673f4b71086c25da529319e72ef9faa027de, fd1e2c4bf11fa96d5fc3492bac0e1e2ada4d2190, 179e2b59e37f0c56246473ec5dbf00b0f122aaf8.
August 2025 monthly summary for Planning-Inspectorate/appeals-back-office: Delivered key features and fixes that improve notification flows and case visibility. Enhanced appeal notification system with consolidated content, routing, and templates for appellants, LPA, and site visit notifications. Integrated Design and Access Statement into appellant case summaries and mapped UI visibility in CAS components. Fixed critical issues around final comments templates and site visit access logic. These changes improve transparency, reduce support tickets, and accelerate case resolution. Key commits include: 4b0073dbe14a850af1f62eeaa08da8803599649d, ec43ffe2039145d7053eba3f9696376f694152a0, 420d2c19cc4758958e66258655cb88167ccf867f, ce3c673f4b71086c25da529319e72ef9faa027de, fd1e2c4bf11fa96d5fc3492bac0e1e2ada4d2190, 179e2b59e37f0c56246473ec5dbf00b0f122aaf8.
July 2025 monthly summary for Planning-Inspectorate/appeals-back-office focused on delivering tangible enhancements to the appeal notification system, stabilizing tests and CI, and maintaining data accuracy. The work improved business value for users and reduced release risks.
July 2025 monthly summary for Planning-Inspectorate/appeals-back-office focused on delivering tangible enhancements to the appeal notification system, stabilizing tests and CI, and maintaining data accuracy. The work improved business value for users and reduced release risks.
June 2025 monthly delivery focused on user experience, journey reliability, and data readiness across two repos: Planning-Inspectorate/appeal-planning-decision and Planning-Inspectorate/appeals-back-office. Key outcomes include a UI enhancement on Check Your Answers, a unified journey start flow, production seed data for Local Planning Departments (LPAs), and improved communications through updated email templates. These changes reduce user friction, ensure correct routing, and strengthen end-to-end reliability across the appeals process.
June 2025 monthly delivery focused on user experience, journey reliability, and data readiness across two repos: Planning-Inspectorate/appeal-planning-decision and Planning-Inspectorate/appeals-back-office. Key outcomes include a UI enhancement on Check Your Answers, a unified journey start flow, production seed data for Local Planning Departments (LPAs), and improved communications through updated email templates. These changes reduce user friction, ensure correct routing, and strengthen end-to-end reliability across the appeals process.
May 2025 performance summary focusing on key accomplishments across Planning-Inspectorate repos. Delivered critical improvements to notifications, data display, URL wiring, and file uploads, with a focus on reliability, user experience, and maintainability. These changes enhance business value by ensuring accurate communications, consistent links across environments, and robust data trails.
May 2025 performance summary focusing on key accomplishments across Planning-Inspectorate repos. Delivered critical improvements to notifications, data display, URL wiring, and file uploads, with a focus on reliability, user experience, and maintainability. These changes enhance business value by ensuring accurate communications, consistent links across environments, and robust data trails.
April 2025 monthly summary for Planning-Inspectorate/appeals-back-office: Delivered Development Type management for S78 appeals and fixed LPA decision notification email routing. Implemented API and UI updates, a new route/controller for development type, and ensured email notifications link directly to appeal pages, improving data accuracy and decision accessibility.
April 2025 monthly summary for Planning-Inspectorate/appeals-back-office: Delivered Development Type management for S78 appeals and fixed LPA decision notification email routing. Implemented API and UI updates, a new route/controller for development type, and ensured email notifications link directly to appeal pages, improving data accuracy and decision accessibility.
March 2025 highlights strong delivery across the appeals-back-office platform, focusing on end-to-end capability, data integrity, and user experience. Key features were delivered with end-to-end changes, while critical bugs were fixed to stabilize document handling, redaction status display, and notification flows. The changes reduce time-to-insight for reviewers, improve accuracy of case data, and reinforce reliable communication with stakeholders.
March 2025 highlights strong delivery across the appeals-back-office platform, focusing on end-to-end capability, data integrity, and user experience. Key features were delivered with end-to-end changes, while critical bugs were fixed to stabilize document handling, redaction status display, and notification flows. The changes reduce time-to-insight for reviewers, improve accuracy of case data, and reinforce reliable communication with stakeholders.
February 2025 monthly summary for Planning-Inspectorate/appeals-back-office, focusing on strengthening document workflows, security resilience, and IP reviewer UX. Delivered end-to-end document management for LPA statements and final-comments, including upload, review, versioning, deletion, and integration with representations. Addressed navigation and data-display gaps in Interested Party (IP) comments, fixed missing email handling, and unified error handling. Implemented security hardening to prevent untrusted redirects and standardized 500 error rendering. These changes reduce processing friction, improve data integrity, and lower support overhead while demonstrating breadth across frontend, API, and security disciplines.
February 2025 monthly summary for Planning-Inspectorate/appeals-back-office, focusing on strengthening document workflows, security resilience, and IP reviewer UX. Delivered end-to-end document management for LPA statements and final-comments, including upload, review, versioning, deletion, and integration with representations. Addressed navigation and data-display gaps in Interested Party (IP) comments, fixed missing email handling, and unified error handling. Implemented security hardening to prevent untrusted redirects and standardized 500 error rendering. These changes reduce processing friction, improve data integrity, and lower support overhead while demonstrating breadth across frontend, API, and security disciplines.
January 2025 monthly summary for Planning-Inspectorate/appeals-back-office. Delivered end-to-end features for interested party comments, representation attachments, and final appeals document management; fixed a critical navigation bug; improved data integrity and user experience across web and API layers, enabling faster, more reliable submissions and reviewer workflows.
January 2025 monthly summary for Planning-Inspectorate/appeals-back-office. Delivered end-to-end features for interested party comments, representation attachments, and final appeals document management; fixed a critical navigation bug; improved data integrity and user experience across web and API layers, enabling faster, more reliable submissions and reviewer workflows.
December 2024 monthly summary for Planning-Inspectorate/appeals-back-office: delivered three major work streams that improve stakeholder communications, notification reliability, and API robustness. The work emphasizes business value—streamlining interested party interactions, ensuring timely and accurate deadline notifications, and hardening the Representation API against invalid inputs. Key outcomes include UI/document management enhancements, a new notification template wired to a feature flag, config/schema alignment, and strengthened input validation with test coverage.
December 2024 monthly summary for Planning-Inspectorate/appeals-back-office: delivered three major work streams that improve stakeholder communications, notification reliability, and API robustness. The work emphasizes business value—streamlining interested party interactions, ensuring timely and accurate deadline notifications, and hardening the Representation API against invalid inputs. Key outcomes include UI/document management enhancements, a new notification template wired to a feature flag, config/schema alignment, and strengthened input validation with test coverage.
November 2024 highlights for Planning-Inspectorate/appeals-back-office: Delivered key UX improvements for representation handling, stabilized navigation, refreshed branding, and cleaned up the codebase to improve reliability and reduce technical debt. These changes support faster processing of appeals, fewer user errors, and a consistent brand experience across the UI, directly contributing to reviewer efficiency and user satisfaction.
November 2024 highlights for Planning-Inspectorate/appeals-back-office: Delivered key UX improvements for representation handling, stabilized navigation, refreshed branding, and cleaned up the codebase to improve reliability and reduce technical debt. These changes support faster processing of appeals, fewer user errors, and a consistent brand experience across the UI, directly contributing to reviewer efficiency and user satisfaction.
October 2024 monthly summary for Planning-Inspectorate/appeals-back-office: Delivered a focused set of comment-management improvements including a modern rejection workflow and submission-date metadata to improve traceability and data quality. Implemented database schema changes, API endpoints, and UI for rejection reasons (with free-text input), plus a route and form to enter submission dates with validation (today or past) and updated snapshot tests. Also fixed a date-submission edge-case in IP comment handling to allow current date when entered manually. These changes strengthen governance, enable better analytics, and reduce manual QA effort.
October 2024 monthly summary for Planning-Inspectorate/appeals-back-office: Delivered a focused set of comment-management improvements including a modern rejection workflow and submission-date metadata to improve traceability and data quality. Implemented database schema changes, API endpoints, and UI for rejection reasons (with free-text input), plus a route and form to enter submission dates with validation (today or past) and updated snapshot tests. Also fixed a date-submission edge-case in IP comment handling to allow current date when entered manually. These changes strengthen governance, enable better analytics, and reduce manual QA effort.

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