Lawful Development Certificate - Proposed
This application is used to see if your proposed development comes under permitted development assessed under the General Permitted Development Order (2015) as amended (GDPO) or requires planning permission for proposed use or development. Some useful guidance on the Planning Portal on Lawful Development Certificates and in addition guidance on if Planning Permission is required.
Please note that if the proposal has already started (even if not complete) it is considered an existing use and so please see Lawful Development Certificate - Existing.
| Forms and fees | When required | Further advice |
|---|---|---|
| Application form | Mandatory on all applications. | Please note if you complete the application form and state the works have started, this would make the application invalid due to the incorrect form and fee being submitted as this would constitute a Lawful Development Certificate for Existing Use/Development (even if the works are not complete). |
| Application fee* | Mandatory on all applications unless a valid exemption is applied. | You must submit a supporting document/cover letter explaining reason for exemption and any relevant accompanying evidence. The Planning Portal also has an admin fee. |
| CIL form | Mandatory on all applications. | CIL Form 1 |
| Plans and photos | When required | Further advice |
|---|---|---|
| Photos | Mandatory on all applications | Please see site photo guide. |
| Site location plan | Mandatory on all applications | The application site must be edged in red, and the plan must include a north point and should show the site in relation to adjoining properties and the nearest road junctions and include any land required to access the property from the public highway. |
| Site/Block plan | Mandatory for application where the proposal involves an outbuilding, boundary treatment, vehicle access/driveway alterations. |
For changes to vehicle access/boundary treatment, a more detailed site/block plan is required if there are any changes to the landscaping (e.g. hardstanding). Please ensure where relevant to include the distance to boundaries. |
| Existing and proposed floor plans | Mandatory for all applications, including applications relating to use (this also includes applications for using a room of a residential dwelling for a business such as TFL or minicab operators). |
For applications for vehicle access or boundary fencing/walls/gates, a Block Plan should be sufficient if the access/proposed boundary treatment is clearly shown. Please ensure to include key dimensions including width and depth of any increase in footprint this includes on both ground floor and first floor extensions. In addition, if a new vehicle access is proposed we will require the dimensions for the new access. |
| Existing and proposed elevations | Mandatory for applications proposing built development including extensions and any external alterations, if any of the proposed work is visible this including elevational changes such as window changes, rendering/insulation and proposed boundary treatment (e.g., fencing/gates). |
All elevations are required where the proposed work is visible. This includes those which are attached to the neighbouring property for example on semi-detached or terraced properties. Please ensure to provide the key dimensions of the proposed works this needs to include the overall height of the proposed extensions (not just the height to the eaves). Please ensure to provide height, width, depth of any proposed dormers and in addition show any additional height if the roof is being increased in height. For any use related proposals, elevations are only required if there are any visible changes to the property as part of the use change. |
| Existing and proposed roof plans |
Mandatory if there are any roof alterations including addition of dormers and rooflights. Mandatory for any first floor or two storey extensions. Mandatory for outbuildings. |
| Supporting document | When required | Further advice |
|---|---|---|
| Supporting statement for outbuildings | Mandatory for any proposed outbuildings with a floorspace of 50sqm or more. | This to illustrate that’s its incidental in accordance with the conditions outlined in GDPO. |
This guide provides an overview of the requirements for applications submitted under the Lawful Development Certificate provisions of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended). It outlines the information typically required to support such applications.
Please note that the Local Planning Authority reserves the right to request additional information where necessary to assess compliance with the relevant Parts of the Order to which the application is made under. This may include details not specified in this guide.