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Understanding London’s Planning Application Process

A comprehensive guide to navigating the complexities of London's planning application system, from submission to decision.

Wiki Updated 23 May 2026 4 min read Clara Whitfield
London skyline with a subtle overlay of planning documents
St Alphage House, London Wall (2) | by Stephen Richards | openverse | by-sa

Navigating London's Planning Application Process

The process of applying for planning permission in London can seem daunting, involving multiple stages, various stakeholders, and a significant amount of documentation. Whether you are a resident proposing a home extension, a developer planning a new building, or an urbanism enthusiast seeking to understand local development, this guide aims to demystify the London planning application journey.

What is a Planning Application?

A planning application is a formal request to a local planning authority (LPA) for permission to carry out building or other development on land. In London, the LPAs are typically the borough councils, though some larger or strategic applications may be handled by the Greater London Authority (GLA) or even the Secretary of State.

The primary purpose of the planning system is to control the development and use of land in the public interest, balancing the needs of development with the protection of the environment and amenity.

Stages of a Planning Application

The journey of a planning application can be broadly divided into several key stages:

Pre-application Advice: While not mandatory, seeking pre-application advice from the local planning authority is highly recommended. This allows you to discuss your proposal, understand potential issues, and receive guidance on what information will be required. This can save time and effort in the long run.

Submission of the Application: This is the formal step where you submit all necessary documents and plans to the LPA. This typically includes:
* Completed application forms
* Detailed plans and drawings (site plans, floor plans, elevations)
* Design and Access Statement (for larger or complex applications)
* Supporting reports (e.g., heritage statements, environmental impact assessments, flood risk assessments)
* The appropriate planning fee.

Validation: Once submitted, the LPA will check if the application is complete and contains all the required information. If it's valid, it will be formally registered. If not, you will be notified of the missing information.

Consultation and Publicity: The LPA will then publicise the application, informing neighbours, local residents, and relevant statutory consultees (e.g., Historic England, Environment Agency, Transport for London). Objections and comments are invited during a set period, usually 21 days.

Assessment: Planning officers will assess the application against local and national planning policies, development plans, and any material considerations (e.g., comments received during consultation, previous planning decisions).

Site Visit: An officer may visit the site to understand its context and assess the proposal on the ground.

Decision: Based on the assessment, the LPA will make a decision. This can be

Approved: Permission is granted, often with conditions attached.
* Refused: Permission is denied, with reasons provided.
* Delegated Decision: Most minor applications are decided by planning officers under delegated powers.
* Committee Decision: Larger or more controversial applications are often decided by the borough's Planning Committee, comprising elected councillors.

Post-Decision: If approved with conditions, these conditions must be discharged before development can commence. If refused, the applicant has the right to appeal to the Planning Inspectorate.

Key Considerations for Applicants

  • Local and National Policy: Familiarise yourself with the relevant London Plan policies, borough Local Plans, and National Planning Policy Framework (NPPF). These documents form the basis for decision-making.
  • Material Considerations: These are factors that can be taken into account when deciding a planning application, provided they are planning-related. Examples include traffic impact, noise, design quality, and impact on listed buildings.
  • Community Engagement: Proactive engagement with neighbours and the local community can help address concerns and foster support for your proposal.
  • Professional Advice: For significant projects, consider engaging an architect, planning consultant, or other specialist advisor to help navigate the process.

Where to Find Information

  • Your Local Borough Council's Planning Portal: This is the primary source for local planning policies, application searches, and submission details.
  • The London Plan: Available on the Greater London Authority (GLA) website.
  • Planning and Building Regulations: Gov.uk provides guidance on national planning policy and building regulations.

Understanding the London planning application process is crucial for anyone involved in shaping the city's built environment. By preparing thoroughly and engaging constructively, applicants can increase their chances of a positive outcome.

  • Pre-application Advice: Discuss proposal with LPA, identify requirements. | Varies
  • Submission & Validation: Submit forms, plans, fees; LPA checks for completeness. | 1-4 weeks
  • Consultation & Publicity: LPA notifies neighbours, invites comments. | 21-42 days
  • Assessment & Site Visit: Officers review against policy, conduct site visit. | 4-8 weeks
  • Decision: LPA issues decision (approval/refusal) or decides at committee. | 8-13 weeks (target)
  • Post-Decision & Appeals: Discharge conditions, or appeal to Planning Inspectorate if refused. | Varies

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Ultima revision y actualizacion: 23 May 2026.