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Planning Permission in the UK: 10 Frequently Asked Questions

Are you planning a major home renovation? In the UK, many construction projects require planning permission, a topic that often raises numerous questions from our clients. That’s why we’ve compiled answers to the most frequently asked questions about planning permission – we hope to address your concerns and help you avoid potential issues while bringing your dream project to life.

What is planning permission?

Planning permission is an official approval from the local authority to carry out specific building works. It applies to both large projects, such as double-storey extensions, and smaller undertakings, including certain flat roof extension ideas. Planning permission ensures your project complies with local zoning regulations, architectural standards and other requirements.

Do I always need planning permission?

Not all projects require planning permission. For smaller projects, such as a single-storey extension or certain types of loft conversions, you may be able to proceed under permitted development rights. These rights allow straightforward projects to move forward without formal approval. However, more complex projects, like a double-storey extension or a kitchen extension involving significant structural changes, will usually need permission.

How do I check if my project requires planning permission?

The best way to find it out is to contact your local planning authority. You can also review guidelines on the UK government’s website for detailed information about various project types. Your local extension builders and other professionals from the construction industry in North London may be familiar with current regulations too. They can help you assess whether your project needs planning permission. 

Where do I apply for planning permission?

Applications for planning permission are submitted to the local planning authority (LPA). You can do this in person at your local council office or, more conveniently, online. The online application system saves time and allows you to submit documents even while travelling abroad.

What are the types of planning permission?

In the UK, there are several types of planning permission, including:

  • Full Planning Permission: Required for comprehensive projects, such as most double-storey extensions.
  • Outline Planning Permission: A preliminary approval to determine if a project is feasible.
  • Prior Approval: Applicable for some projects under permitted development rights, such as certain uncomplicated flat roof extension ideas.

Each type varies in scope and procedure, so it’s wise to consult professionals to streamline the application process and ensure the correct documentation is submitted.

How do I prepare a planning permission application?

Preparing an application requires accuracy and detailed project descriptions. You’ll need to provide architectural plans, a project outline, and information about its environmental and community impact. Many construction companies offer end-to-end assistance, from preparing documents to liaising with local authorities. Our team ensures your planning applications are professionally handled and comply with all regulations.

How much does a planning permission application cost?

The cost depends on the type of project and location. Standard fees usually range from a few hundred pounds. Check the fee schedule on your local authority’s website for precise costs. If in doubt, speak to council officers or consult the local builders handling your project for advice.

How long does it take to get a decision?

For straightforward projects, decisions typically take around eight weeks. However, more complex projects might take up to 13 weeks. If your application requires Environmental Impact Assessments, the process could extend to 16 weeks or more. Keep this timeline in mind when planning your project and coordinating with the construction company.

What if my planning permission application is rejected?

If your application is refused, you have the right to appeal. First, find out the reasons for the refusal and try to adjust the project to meet the authority’s requirements. Experienced construction professionals can help revise your plans and resubmit your application. Their support can be invaluable for securing approval quickly.

What are the penalties for lack of planning permission?

Failing to obtain required planning permission can lead to severe consequences, including the potential demolition of the unauthorised construction, which can be costly. In some cases, fines may also be imposed. To avoid such situations, always consult your local planning authority or experienced house extension builders before starting any project.