Qu'est-ce qui est exempté du permis de construire ?

Navigating UK Building Permits for Your Workshop

10/05/2015

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For any keen automotive enthusiast or professional mechanic, the dream of a dedicated workshop or an expanded garage is often at the forefront of their minds. Whether it's to house a growing collection of tools, accommodate a new lift, or simply to gain more space for those intricate engine rebuilds, enhancing your property for vehicle maintenance is a common pursuit. However, before you start drawing up plans or knocking down walls, there's a crucial aspect you absolutely cannot overlook: UK building permits and regulations. Navigating the legal landscape of construction can seem daunting, but understanding the basics is key to ensuring your project runs smoothly, legally, and without costly setbacks.

Qui est compétent pour délivrer les permis de construire?
Si les communes sont dotées d’un PLU, c’est la#N#commune qui est responsable. Le Maire est alors compétent pour délivrer les permis de construire ou pour#N#utiliser le droit de préemption. L’urbanisme est un service public national et local suivant les procédures utilisées.
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Understanding Building Permits in the UK: Planning Permission vs. Building Regulations

In the United Kingdom, when you talk about 'building permits', you're generally referring to two distinct, yet often overlapping, sets of approvals: Planning Permission and Building Regulations approval. While both are issued by your local council, they serve very different purposes.

What is Planning Permission?

Planning Permission is concerned with the principle of development and its impact on the surrounding area. It assesses whether a proposed development is acceptable in terms of its size, appearance, impact on neighbours, parking, access, and the overall character of the local area. It's about controlling how land is developed and used in the public interest. For instance, building a massive garage that overshadows a neighbour's garden or significantly alters the street scene would typically require planning permission.

What are Building Regulations?

Building Regulations, on the other hand, focus on the structural integrity, health, safety, and welfare of people in and around buildings. They cover aspects such as fire safety, structural stability, energy efficiency, accessibility, drainage, and ventilation. Even if a project doesn't require planning permission, it almost always needs Building Regulations approval if it involves structural work, new drainage, or significant alterations to the building's fabric. For example, converting an existing shed into a heated workshop would likely require Building Regulations approval, even if its external appearance doesn't trigger planning permission.

It's vital to understand that a project can require one, both, or neither of these approvals. Always assume you need both until you've confirmed otherwise with your local authority.

When Do You Need Planning Permission?

Generally, you will need planning permission for:

  • New buildings (e.g., a standalone garage or workshop).
  • Major alterations to an existing building (e.g., a large extension to your house to create a garage).
  • Changes to the use of a building or land (e.g., converting a residential garage into a commercial car repair shop).
  • Certain engineering operations (e.g., significant ground works).

The Concept of Permitted Development Rights (PDR)

One of the most common reasons why some projects don't require full planning permission is due to Permitted Development Rights (PDR). These are a national grant of planning permission which allows certain minor building works and changes of use to be carried out without having to make a planning application. PDR is particularly relevant for homeowners looking to extend or alter their properties, including the addition of outbuildings like garages and workshops.

However, PDR comes with strict limitations and conditions, including:

  • Size and Height: There are limits on the maximum height, volume, and footprint of the outbuilding. For instance, outbuildings must typically be single-storey and not exceed certain heights (e.g., 2.5m within 2m of a boundary, 4m with a dual-pitched roof, or 3m for any other roof).
  • Location: The outbuilding must generally be within the curtilage of the dwelling and not forward of the principal elevation.
  • Purpose: It must be incidental to the enjoyment of the dwelling (i.e., not a primary living space or a separate dwelling).
  • Designated Areas: PDR is often more restricted or does not apply at all in certain designated areas, such as Conservation Areas, National Parks, Areas of Outstanding Natural Beauty (AONBs), or for Listed Buildings.

Even if your project falls under PDR, you may still wish to apply for a 'Lawful Development Certificate' from your local council. This provides formal confirmation that your proposed works are indeed permitted development, which can be very useful if you ever sell your property.

Qu'est-ce qui est exempté du permis de construire ?
Les constructions et travaux exemptés du permis de construire doivent faire l’objet d’une déclaration préalable par le maître de l’ouvrage auprès de la mairie, sauf pour les ouvrages couverts par le secret de la défense nationale.

When Do You Need Building Regulations Approval?

Building Regulations approval is almost always required for any significant building work, including:

  • The erection or extension of a building (including garages and workshops).
  • Structural alterations (e.g., removing a load-bearing wall).
  • Changes to the building's services (e.g., new heating systems, drainage, or electrical installations).
  • Changes of use of a building (e.g., from a garage to a habitable room).
  • Underpinning.

Even small projects like adding a new window or door, or installing a new boiler, typically need Building Regulations approval. The primary goal is to ensure the work is safe, structurally sound, and meets modern standards for energy efficiency and accessibility. You can apply for Building Regulations approval either through a 'Full Plans' application or by submitting a 'Building Notice'. For more complex projects like a new workshop, a Full Plans application is often recommended as it provides more certainty before work begins.

Projects That Might Be Exempt (or fall under PDR/minor works)

While a definitive list is impossible without specific project details, here are common scenarios where you might find exemptions or fall under Permitted Development Rights:

  • Small Sheds/Outbuildings: If the outbuilding is small (typically less than 15 square metres internal floor area), non-combustible, and doesn't contain sleeping accommodation, it might be exempt from Building Regulations. However, it still needs to meet PDR criteria for planning.
  • Minor Internal Alterations: Non-structural internal changes, like redecorating or fitting new kitchen units, usually don't need planning or Building Regulations approval.
  • Like-for-Like Repairs: Replacing windows or doors with identical ones, or repairing a roof with the same materials, often falls outside the need for formal approval.
  • Demolition: Demolishing small buildings (less than 50 cubic metres) or specific types of buildings may not require planning permission, but you might need to notify the local authority.

It cannot be stressed enough: these are general guidelines. Always consult your Local Authority's planning and building control departments to confirm the requirements for your specific project. Failure to do so can lead to enforcement action, fines, and difficulties when selling your property.

The Application Process: A Brief Overview

Once you've determined that your project requires permission, the process typically involves:

  1. Pre-application Advice: Many councils offer a pre-application service where you can discuss your plans with a planning officer before submitting a formal application. This can save time and money by identifying potential issues early on.
  2. Preparing Documents: You'll need detailed plans, elevations, site plans, and often a design and access statement for planning permission. For Building Regulations, detailed construction drawings are required.
  3. Submitting the Application: Most applications are now submitted online via the Planning Portal or directly through your local council's website. You'll need to pay an application fee.
  4. Consultation and Publicity: For planning applications, your neighbours will usually be notified, and the application might be publicised. They have a right to comment.
  5. Decision: The local council aims to make a decision within 8 weeks for minor applications or 13 weeks for major ones.

What Happens After Your Application?

The decision regarding your application will be communicated to you in writing, typically via post or email. There are several possible outcomes:

Approval (with or without Conditions)

This is the desired outcome. You'll receive a formal decision notice stating that your project has been approved. Often, approvals come with specific conditions that you must adhere to. These might relate to the materials used, hours of construction, landscaping, or requirements for specific inspections during the build. It's crucial to read and understand these conditions, as non-compliance can invalidate your permission.

Refusal

If your project is refused, the decision notice will clearly state the reasons for refusal. These reasons must be based on planning policy or Building Regulations. You typically have the right to appeal the decision to the Planning Inspectorate (for planning permission) or to make amendments to your plans and resubmit a new application.

Deferred Decision or Request for Further Information

Sometimes, the council may not outright approve or refuse your application within the standard timeframe. They might request further information or clarification on aspects of your plans. In other cases, if there are significant policy changes pending or complex issues, a decision might be delayed. It's important to respond promptly to any such requests to avoid further delays or potential refusal.

Who is Responsible for Granting Permits?

In the UK, the responsibility for granting both Planning Permission and Building Regulations approval lies with your Local Council. Specifically:

  • Local Planning Authority: This department within your local council is responsible for processing planning applications, developing local planning policies (like the Local Plan), and enforcing planning control. Planning officers assess applications against national and local planning policies.
  • Building Control Body: This can be your local council's Building Control department or an Approved Inspector (a private company authorised to carry out Building Control functions). They are responsible for ensuring that building work complies with Building Regulations through plan checking and site inspections.

For most domestic projects, you'll be dealing directly with your local council's planning and building control teams.

Quand faut-il un permis de construire ?
Suivant la surface et le PLU, il faut un permis de construire pour faire des travaux importants sur une construction existante ou pour construire un bâtiment.

Common Pitfalls and Considerations

Beyond the basic application process, several other factors can influence your project's success:

  • Conservation Areas & Listed Buildings: If your property is in a conservation area or is a listed building, planning rules are much stricter, and even minor alterations may require consent.
  • Neighbour Objections: Neighbours have a right to comment on planning applications. Addressing potential concerns early, perhaps through informal discussions, can prevent objections that might delay or even halt your project.
  • Party Wall Act: If your proposed work affects a party wall (a wall shared with a neighbour), you may need to serve a Party Wall Act notice, which is a separate legal process from planning or Building Regulations.
  • Drainage and Utilities: Be mindful of existing drains, sewers, and utility lines. Building over or close to these may require specific consent from the utility provider.
  • Environmental Factors: Consider flood risk, protected species, or contaminated land, which might trigger additional requirements or specialist reports.

Frequently Asked Questions (FAQs)

Q1: Can I start work before I receive approval?

A: Absolutely not. Starting work without the necessary planning permission or Building Regulations approval is a risky endeavour. You could be served with an enforcement notice requiring you to alter or even demolish the work, and you might face significant fines. Always wait for formal approval.

Q2: How long does the approval process typically take?

A: For minor planning applications (like a garage extension), the target decision time is 8 weeks. For Building Regulations, a Full Plans application usually takes 5 weeks to initial assessment, but can be ongoing with queries. However, these are targets, and complex cases or busy periods can lead to delays. It's wise to factor in at least a few months for the entire process.

Q3: What happens if I build without a permit?

A: If you carry out work that requires planning permission without obtaining it, your local council can issue an 'enforcement notice'. This can require you to stop work, remove the unauthorised development, or make changes to it. Failure to comply can lead to prosecution and a hefty fine. For Building Regulations, if work is not compliant, you may be required to rectify it, which can be costly and disruptive. Unauthorised work can also cause issues when you try to sell your property.

Q4: Do I need separate permits for different aspects of my project (e.g., electrical, plumbing)?

A: Building Regulations cover all aspects of construction, including electrical installations, plumbing, and drainage. While you don't get separate 'permits' for each, the Building Regulations approval will cover these elements, and you'll need to ensure the work is carried out by competent persons (e.g., NICEIC-registered electricians, Gas Safe registered engineers) and inspected by Building Control.

Q5: Is there a cost involved in applying for permits?

A: Yes, there are statutory fees for both planning applications and Building Regulations applications. The fees vary depending on the type and size of the development. These fees are non-refundable, regardless of the outcome of your application.

Conclusion

Embarking on a new garage or workshop project is an exciting prospect for any car enthusiast. However, navigating the UK's building permit landscape is a critical first step that should not be underestimated. Understanding the distinction between Planning Permission and Building Regulations, familiarising yourself with Permitted Development Rights, and knowing when and how to engage with your local council are paramount. While the process can seem complex, the peace of mind that comes from a fully compliant build, free from potential legal headaches and costly rectification work, is invaluable. Always remember: when in doubt, consult your local authority. Their expertise is your best resource for a successful, legally sound project. Happy building, and even happier wrenching!

If you want to read more articles similar to Navigating UK Building Permits for Your Workshop, you can visit the Automotive category.

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