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Make a planning application

Online applications

The easiest way to apply for planning permission is online through the Planning Portal Website. The Planning Portal guides you through the application process, with help available at each stage. You can save your work and return to it as you as you need to. You can find online application forms for most planning application types at the Planning Portal website.

When you submit an online application you get a reference number and Slough’s planning team receive an email notifying us of your application. The application will only be processed once we have received the required application fee.

Supporting information

There are national and local requirements for the submission of drawings and technical documents to accompany planning applications. Different types of planning applications require different kinds of background information in order for us to validate and process them.

To assist you when completing your application we have produced some handy checklists on our forms and checklists page.

For a major application, which includes large numbers of drawings and/or supporting submissions, it may be necessary for you to provide additional paper copies. We will contact you if this is the case and will keep requests for these to a minimum, but we must also meet the needs of consultees and the public.

Please note that if you do not send all the information you need, your application may be deemed invalid.


Fees for considering planning applications are set nationally and depend on what you are applying for.

Information on our fees is available from the Planning Portal fee calculator and a list of fees can be found at the Planning Portal website too

Certificate of Ownership

If you are applying for permission for development but you are not the owner of the property you need to complete a Certificate of Ownership form to notify the owner, and provide us with a copy as evidence this had been done.

Ordnance Survey site and location plans

The most common reason for planning applications being rejected by local authorities is that the accompanying plans are invalid. Most planning applications require a location plan and a site plan (also known as a block plan), to be submitted as supporting documents.

We recommend buying your plans from one of the Planning Portal’s accredited suppliers. They have been through a rigorous selection process to make sure that their maps meet the necessary standards, that their websites are easy to use and that they have good customer support in place should you need it.

You can find out more about the Planning Portal's accredited suppliers here.


The timescales for making a decision on planning applications are determined by the type of application.

Minor applications are determined within 8 weeks, major applications within 13 weeks, and applications accompanied by an environmental impact assessment are made within 16 weeks. The definition of a major or minor application is set nationally by the government.

This decision making time begins when all the information needed has been provided, and includes three weeks for consultations with specialist professionals and residents.

However, from time to time it might not be possible to meet these targets, due to increased application numbers and varying resource availability. Please contact the Planning Officer responsible for your application for a progress update.


If your planning application has been refused you can appeal to the independent Planning Inspectorate to reconsider the decision. There are time limits for this to be done, and information that needs to be submitted which varies according to the type of application:

We are here to help

If you have any questions about making an application, please contact us for advice:

Contact us

Contact Planning form

01753 477340

Planning Department
Slough Borough Council
Observatory House
25 Windsor Road
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