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UNSEL CONSULTANCY LTD
BLOG POSTHow to Get Planning Permission in London: A Complete Guide
DATE02 Jul 2026
AUTHORGokhan Unsel
STATUSPUBLISHED

How to Get Planning Permission in London: A Complete Guide

02 Jul 2026 · Gokhan Unsel

The planning process in London can look complicated, but with the right guidance it is manageable. At Unsel Consultancy we prepare planning applications for homeowners and developers across Greater London.

What Is Planning Permission?

Planning permission is formal consent from your local council to carry out building works or change the use of a building. In London, this is managed by one of the 32 borough councils plus the City of London Corporation.

Elevation, section and floor plan drawings of a row of houses
Clear existing and proposed drawings are at the heart of every planning application.

When Do You Need Planning Permission in London?

You typically need planning permission for:

  • Extensions that exceed Permitted Development rights
  • New builds and demolitions
  • Conversions (e.g., house to flats, commercial to residential)
  • Changes to listed buildings or properties in Conservation Areas
  • Loft conversions in some boroughs

The Planning Application Process

Step 1: Pre-Application Consultation

Before submitting, we recommend a pre-application meeting with your local planning authority. It gives you early feedback and can make approval much more likely.

Step 2: Preparing Your Application

A complete planning application includes:

  • Existing and proposed drawings (floor plans, elevations, sections)
  • Site location plan and block plan
  • Design and Access Statement
  • Heritage Statement (for listed buildings)

Step 3: Submission and Decision

Applications are typically decided within 8 weeks for householder applications and 13 weeks for major applications. Application fees and validation requirements can change, so it is always worth checking the latest Planning Portal and borough guidance before you submit.

How Unsel Consultancy Can Help

We have prepared planning applications in boroughs across London, including Camden, Islington, Hackney, Tower Hamlets and Lambeth. We prepare all necessary drawings and documentation, liaise with planning officers and manage the entire process on your behalf.

Read more about our council approval drawings service or contact us for project-specific advice.

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