Planning Permission for Extensions: A Comprehensive Guide

Are you considering extending your home, but unsure if you need planning permission? We understand that the planning process can be daunting, but with the right information, you can make informed decisions about your home extension. In this guide, we’ll cover everything you need to know about planning permission for extensions.

Do I Need Planning Permission for My Home Extension?

The first step in determining whether you need planning permission for your home extension is to check the permitted development rights. These rights allow certain types of home extensions to be built without the need for planning permission.

Permitted development rights include:

  • Single-storey rear extensions that do not exceed four metres in height and do not extend beyond the rear wall of the original house by more than three metres for an attached house or by four metres for a detached house.
  • Double-storey rear extensions that do not extend beyond the rear wall of the original house by more than three metres or be within seven metres of any boundary opposite the rear wall of the house.
  • Single-storey side extensions that are no more than half the width of the original house and do not exceed four metres in height.
  • Double-storey side extensions that are no more than half the width of the original house and do not exceed four metres in height.
  • Loft conversions that do not exceed 40 cubic metres for a terraced house or 50 cubic metres for a detached or semi-detached house.

If your home extension falls outside of the permitted development rights, you will need to apply for planning permission.

How to Apply for Planning Permission

To apply for planning permission for your home extension, you will need to submit an application to your local planning authority (LPA). Your application should include:

  • A completed application form
  • A site plan
  • Elevations
  • Floor plans
  • Supporting documents, such as a Design and Access Statement or Heritage Statement (if required)

Once your application has been submitted, the LPA will consider a range of factors when making their decision, including:

  • The impact of the proposed extension on the character of the area
  • The impact of the proposed extension on the amenity of nearby properties
  • The impact of the proposed extension on highway safety
  • The impact of the proposed extension on any trees or wildlife on the site
  • Any relevant planning policies

It’s important to note that the planning process can take up to eight weeks, and in some cases, longer.

What Happens if My Planning Permission is Refused?

If your planning permission is refused, you can appeal the decision to the Planning Inspectorate. The appeal process can take several months, and you may need to attend a hearing or public inquiry.

Alternatively, you can revise your plans and submit a new application, addressing the reasons for refusal.

It’s important to seek professional advice before submitting your planning application to improve your chances of success.

Conclusion

Extending your home can be an exciting project, but it’s essential to ensure that you have the necessary planning permission before commencing any work. By following the guidelines outlined in this guide, you can make informed decisions about your home extension and improve your chances of success.

If you have any further questions about planning permission for extensions, please do not hesitate to contact us for professional advice.

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