June 9, 2025

Why are architects needed

Why are architects needed

Understanding Planning Permission vs. Permitted Development

When embarking on a home improvement project, understanding the difference between planning permission and permitted development (PD) is crucial. Homeowners must navigate these regulations to ensure compliance with UK law while achieving their design aspirations. Fortunately, digital solutions like Loomin simplify the process by connecting homeowners with fixed-fee, ARB-registered architects, streamlining everything from initial consultations to planning approvals.

What is Planning Permission?

Planning permission is the formal approval granted by the local authority that allows homeowners and developers to carry out certain types of building projects. It is a legal requirement for any work that has a significant impact on the environment, neighbouring properties, or the overall character of an area. This process ensures that developments align with local policies, maintain aesthetic harmony, and do not negatively affect the surrounding community. Applications are assessed on an individual basis, taking into account factors such as design, size, and environmental impact. Since approval is not guaranteed, it is crucial to prepare a well-documented application to increase the chances of success.

When is Planning Permission Required?

Planning permission is typically required in cases where significant alterations are made to a property. These include:

  • Major structural changes: This refers to substantial modifications such as large extensions, demolition, or significant alterations that exceed permitted development limits. Such changes may impact the surrounding environment and require thorough assessment by the local planning authority.
  • Changes to listed buildings: Listed buildings are legally protected due to their historical and architectural significance. Any alterations, whether internal or external, require planning permission to ensure that the changes do not compromise the building’s heritage value.
  • New builds: Constructing a completely new property from the ground up always requires planning permission, as it affects the local environment, infrastructure, and housing development policies.
  • Conversions that change a property’s use class: If a homeowner wishes to change a property’s use, such as converting a residential house into a commercial space or multiple flats, planning permission is required. These changes often impact local amenities and community structure, necessitating careful review.

Local councils assess planning applications based on their development plans, which consider factors like community impact, aesthetics, and sustainability. Applications can be submitted online through the Planning Portal, and decisions typically take 8-12 weeks.

What is Permitted Development (PD)?

Permitted Development (PD) rights allow homeowners to make specific improvements to their property without needing full planning permission. These rights are established by the government to simplify the process of making common home improvements, reducing bureaucratic delays while ensuring developments remain within set limits. PD rights are subject to certain conditions and restrictions, including size limits, design constraints, and location-based regulations. If a project adheres to these predefined rules, homeowners can proceed without submitting a full planning application, making home renovations more accessible and efficient.

Examples of Permitted Development:

  • Single-storey rear extensions: Homeowners can extend their property up to 3 metres for a terraced or semi-detached house and up to 6 metres for a detached house without seeking planning permission. However, extensions must not cover more than 50% of the garden space.
  • Loft conversions: Loft conversions are permitted as long as they do not exceed a certain volume limit—40 cubic metres for terraced houses and 50 cubic metres for detached and semi-detached houses. Additional restrictions apply to roof height and dormer window placement.
  • Internal renovations: Changes that do not affect the external appearance of the property, such as reconfiguring room layouts or installing new staircases, usually fall under PD rights.
  • Certain outbuildings: Structures such as sheds, garages, garden offices, and greenhouses can be built under PD rights, provided they do not exceed a height of 2.5 metres if located within 2 metres of a boundary or 4 metres otherwise.

PD rights can vary based on location and property type. For example, flats and maisonettes do not generally have permitted development rights, and homeowners in conservation areas may face stricter guidelines.

Limitations of Permitted Development

While PD simplifies the home improvement process, there are limitations:

  • Flats and maisonettes: Unlike single-family homes, flats and maisonettes do not benefit from PD rights. Any structural changes or extensions require full planning permission.
  • Properties in conservation areas: If a home is located in a conservation area, National Park, or Area of Outstanding Natural Beauty (AONB), PD rights may be restricted or removed entirely to preserve the unique character of the region.
  • Homes with previous planning restrictions: Some properties may be subject to Article 4 Directions, which remove PD rights in specific locations to maintain control over development. If such restrictions apply, homeowners must apply for planning permission before making changes.

Before proceeding with any work, it is advisable to check with the local planning authority to confirm whether PD rights apply to your property

How Loomin Helps

Loomin provides homeowners with access to ARB-registered architects who can assess whether planning permission is needed. The platform offers a streamlined process for managing the entire planning and design phase, reducing uncertainties and saving time. By using Loomin, homeowners gain expert guidance, ensuring compliance with planning regulations while enhancing the efficiency of their project.

Key Features of Loomin:

  • Consultations with qualified architects: Homeowners can easily connect with experienced architects who provide tailored advice on planning permission requirements and design feasibility.
  • Comparison tools for fixed-fee quotes: Users can compare transparent, fixed-price architectural services, helping them find affordable, high-quality professionals.
  • Document storage and management: Planning applications require extensive documentation. Loomin offers secure cloud-based storage, keeping all essential files organised and accessible.
  • Virtual meetings: Clients can schedule online consultations with architects to discuss project details, receive feedback, and make informed decisions.
  • Contractor selection and onboarding: Finding reliable contractors can be challenging. Loomin helps homeowners match with vetted professionals for seamless project execution.

By leveraging Loomin, homeowners can confidently navigate planning regulations, avoiding costly mistakes and delays.

Making the Right Choice for Your Project

Understanding whether your project requires planning permission or qualifies under permitted development is essential for avoiding unnecessary delays and potential legal issues. Planning violations can lead to costly enforcement actions, project halts, and even demolition orders. By conducting thorough research and consulting professionals, homeowners can ensure their projects proceed smoothly while adhering to UK planning laws. Whether expanding a home with a loft conversion or adding an extension, knowing the correct route can prevent setbacks and additional expenses.

Seeking expert advice from qualified architects or planning consultants is highly recommended. Professionals can provide clarity on complex regulations, identify any potential planning constraints, and assist with preparing applications where needed. Using a platform like Loomin simplifies this process by connecting homeowners with experienced professionals who understand local planning requirements, helping to mitigate risks and streamline the approval process.

How Loomin Makes the Process Easier:

  • Compare fixed-fee quotes from ARB-registered architects: Finding a qualified architect at a fair price can be challenging. Loomin allows homeowners to compare transparent, fixed-fee quotes from registered professionals, ensuring they get the best service within their budget.
  • Access document management tools for planning applications and designs: Managing planning applications involves handling numerous documents, from architectural drawings to approval notices. Loomin offers a secure digital platform where homeowners can store and organise all necessary paperwork, reducing the risk of missing crucial documents.
  • Schedule virtual meetings with experts to discuss project requirements: Meeting with architects and planning consultants in person can be time-consuming. Loomin enables homeowners to schedule virtual consultations, making it easier to receive expert advice and review design plans without leaving their homes.
  • Match with reliable contractors for seamless project execution: Once planning approval is secured, finding a skilled and trustworthy contractor is the next step. Loomin connects homeowners with vetted professionals, ensuring a smooth transition from design to construction.

Additional Considerations

Even if your project qualifies for PD, it is advisable to obtain a Lawful Development Certificate (LDC) from your local authority. This provides official confirmation that your project complies with PD regulations and can be useful when selling your home.

For projects requiring planning permission, preparing a well-documented application with professional drawings and planning statements increases the likelihood of approval. Architects on Loomin’s platform can assist with this process, ensuring compliance with local policies.

Homeowners should also consider building regulations approval, which is separate from planning permission. While PD may allow an extension or loft conversion, it must still comply with building regulations covering structural integrity, insulation, fire safety, and accessibility.

Conclusion

Navigating the complexities of planning permission and permitted development can be daunting, but with the right guidance, homeowners can confidently move forward with their projects. The key to a successful project lies in understanding the legal requirements, preparing thorough applications, and seeking expert advice to avoid unnecessary setbacks. By ensuring compliance with regulations, homeowners can make informed decisions that enhance both the functionality and value of their properties.

Loomin’s comprehensive marketplace provides an end-to-end solution, helping homeowners manage their architect relationships, approvals, and contractor coordination—all in one place. Whether your project requires planning permission or falls under PD, Loomin ensures a hassle-free experience from start to finish, making home improvements smoother, more efficient, and stress-free.