Pre-Application Planning Advice in London: A Practical Guide

Pre-application advice (pre-app) is a paid service offered by London borough planning departments that allows applicants to informally discuss a proposed development with a planning officer before submitting a formal application.

• **What pre-app advice typically provides:**
• •A written response from the planning officer giving their view on the proposal's acceptability in principle
• •Identification of the key planning policy issues that will be relevant to any application
• •An indication of whether the proposal is likely to be supported or opposed
• •Advice on how the scheme might be modified to improve its prospects
• •Sometimes: confirmation that the proposal does not require planning permission (useful in ambiguous cases)

• **What pre-app advice is NOT:**
• •A guarantee of planning permission — the formal planning application is a separate process, and the planning committee or a different officer may reach a different conclusion
• •Binding on the council — even where a pre-app response is positive, the formal application may be refused
• •A comprehensive policy analysis — the pre-app response is typically based on the officer's reading of the proposal against the relevant policies, not a full assessment

• **When pre-app advice is most valuable:**
• •Schemes where planning policy is uncertain or ambiguous
• •Larger or more complex residential projects
• •Projects in Conservation Areas where design approach needs early guidance
• •Projects where the applicant wants to know the officer's view before spending money on detailed architectural drawings
• •Where the proposal is at the margin of what policy allows and early guidance would inform a design decision

Pre-application advice costs and process vary between London boroughs. Typical ranges:

• **Householder pre-app (extensions, loft conversions, outbuildings):**
• •Most London boroughs: £100–£300 for a written response
• •Some boroughs offer a free pre-app meeting (typically 30 minutes) for householder applications before written advice

• **Minor works pre-app (small residential developments, multiple units):**
• •Typically £300–£800

**The process:** 1. Submit the pre-app request via the council's planning portal or planning department contact, with: - Location plan and/or site plan - Description of the proposed development - Relevant drawings or sketches (the more developed, the more useful the feedback) - The specific questions you want addressed 2. The council allocates a planning officer and provides a written response — typically within 4–8 weeks 3. Some councils also offer a meeting with the officer in addition to the written response

**Quality varies by borough:** The quality and usefulness of pre-app advice in London boroughs varies considerably. Some boroughs (Camden, Hackney, Southwark) have well-resourced planning departments and generally provide detailed, useful responses. Others provide more general responses that add less value. Your planning agent or designer will typically know which boroughs offer useful pre-app services.

**The pre-app letter in your application:** Where you receive pre-app advice, reference it in your planning application. Planning officers give weight to the fact that the proposal has been pre-agreed with the department. Where the final scheme differs from the pre-app scheme, explain the reasons.

• **Worth using when:**
• •The project is in a Conservation Area where design approach and materials are critical and the council's view on acceptable precedents is valuable
• •The proposal involves an unusual or distinctive design where policy compliance is not straightforward
• •Significant architectural design investment is planned before application — a positive pre-app response before investing in detailed drawings provides useful confidence
• •The site has a complex planning history or policy constraints (PTAL, flood risk, heritage assets, tall building zone) that affect the application
• •The proposal is at the boundary of what permitted development would allow — and there is uncertainty about whether PP is needed

• **Less valuable when:**
• •The proposal is clearly within permitted development
• •The proposal is a standard extension in a non-sensitive area with clear policy support
• •The council has a poor reputation for pre-app advice quality in the borough (check with your planning agent)
• •Speed is a priority — pre-app adds 4–8 weeks to the timeline

**The alternative to pre-app:** For standard householder applications (rear extensions, loft conversions, side returns), an experienced planning agent or design-and-build contractor with a strong track record in the borough may be able to advise on likely acceptability from experience and policy knowledge alone — without the cost and delay of a formal pre-app. Where the application is straightforward and the agent is confident, going direct to application is often the right choice.