Building Additional Storeys Under Permitted Development

Dreaming of extra space but boggled by planning permission? Adding an additional storey to your home can be a fantastic way to gain valuable square footage. The good news?

Under Permitted Development (PD) rights in the UK, some extensions may not require a full planning application. This guide explores the possibilities of adding storeys under PD. And it helps you determine if your project qualifies for this streamlined process.

What Are Permitted Development Rights?

Permitted Development (PD) rights allow homeowners to undertake certain building works without the need for full planning permission. Essentially, they provide a way to extend and improve your property within specific guidelines set by the government. This can save time and money, making the process more straightforward.

PD rights cover various types of developments, including small extensions, loft conversions, and even building additional storeys.

However, it is crucial to understand the rules and limitations that apply. Knowing these can ensure that your project proceeds smoothly and complies with all necessary regulations.

Recent Changes in Permitted Development Rights

In 2020, significant changes were made to PD rights, allowing homeowners to add additional storeys to their properties more easily.

These changes were part of the government’s efforts to increase housing supply and make better use of existing buildings. Under the new regulations, certain properties can now add up to two additional storeys without needing full planning permission.

However, there are specific conditions and criteria that must be met. These include height restrictions, the impact on neighbouring properties, and compliance with building regulations. Understanding these changes is essential for anyone considering such a project.

Planning shake-up: Adding storeys to your home made easier

The government has announced a significant change to the planning system. In order to boost construction and accelerate post-pandemic recovery. One key measure removes the need for planning permission for homeowners to build one or two additional storeys on their properties. This could be a great opportunity for those looking to expand their living space without the hassle of a full planning application.

The new measures will remove the need for planning permission for:

• Commercial premises to be repurposed for other uses or for residential use
• New homes to be created from vacant/redundant buildings
• Property owners to build one or two additional storeys above their homes

What does this mean for homeowners?

If your home was constructed between 1 July 1948 and 28 October 2018. Along with if it hasn’t already been extended upwards, then you may be able to add one or two additional storeys without needing planning permission.

You can add up to two additional storeys. On condition to the existing house consists of two or more storeys. If the existing house consists of one single storey or is a bungalow then you can add one additional storey.

These changes will come into effect on the 31st August 2020.

For developers, these changes present new opportunities. They can maximise the potential of existing properties, making them more attractive investments. Additionally, the reduced need for extensive planning applications means projects can be completed more swiftly, leading to quicker returns on investment.

Key impacts include:

• Increased Living Space: More room for growing families and additional amenities.
• Property Value: Potential increase in market value due to additional square footage.
• Simplified Process: Reduced need for lengthy planning applications, saving time and money.

Overall, these changes have been welcomed by many, providing new possibilities for property enhancement while still maintaining necessary controls and regulations.

If your home was constructed between 1 July 1948 and 28 October 2018 and hasn’t already been extended upwards, then you may be able to add one or two additional storeys without needing planning permission.

– Yoop Architects

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Can I Build Additional Storeys Under Permitted Development?

The good news is that PDR allows you to add up to two additional storeys to your home in some circumstances. There are two main categories to consider:

• Detached Houses: If your existing house is two or more storeys (excluding basements), you might be able to add up to two additional storeys under permitted development.
• Detached Blocks of Flats: For existing detached blocks of flats that are at least three storeys high, adding two storeys on top might be possible through permitted development rights.

Important Considerations Before You Build

While PDR offers a streamlined process, there are crucial factors to keep in mind before getting started on your upward extension project:

• Height Restrictions: There are limitations on the overall height your extended property can reach. These restrictions are typically measured from the highest existing part of the roof.
• Neighbourhood Character: Your project should be in keeping with the surrounding area’s architectural style.
• Prior Approval: Even under permitted development, some aspects may require prior approval from your local authority. This might include factors like impact on neighbours, highway safety, or potential contamination risks.
• Building Regulations: Meeting building regulations remains essential, ensuring the structural integrity, fire safety, and overall quality of the extension.

Exploring Your Options and Getting Expert Advice

Permitted development offers a route to adding storeys to your home, but it’s not a one-size-fits-all solution. A good first step is to check your local council’s planning portal to understand the specific PDR allowances in your area. Consulting with a qualified architect or architectural technologist is highly recommended. They can assess your property, advise on the feasibility of your project under permitted development, and guide you through the process.

Building upwards can be a fantastic way to add valuable space to your home. By understanding permitted development rights and consulting with the right professionals, you can transform your dream of extra space into a reality.

Benefits of Building Additional Storeys

Building additional storeys can bring several benefits. Firstly, it provides more living space, which can be used for extra bedrooms, a home office, or even a separate living area.

Secondly, it can significantly increase the value of your property. By adding more space, you are enhancing the property’s overall appeal and marketability.

Moreover, using PD rights can save you from the lengthy and often costly planning permission process. This streamlined approach makes it easier and faster to achieve your home improvement goals. Thus, it is a worthwhile consideration for those looking to expand their living space.

What are the limitations?

• You can extend upwards on a detached property up to a maximum height of 7 metres. If the existing house consists of two or more storeys or up to 3.5 metres for a single storey property or bungalow
• For a semi-detached or a terraced property, you can extend upwards up to a maximum height of 3.5 metres above the adjoining property
• The height of the added storeys can’t exceed that of the existing floor to ceiling height or 3 metres – whichever is lower
• The construction materials must be of a similar appearance to the rest of the house
• The roof must be the same pitch (angle/steepness) as the existing roof

Who can’t benefit from additional Storeys?

You can’t add additional storeys to your home under permitted development if:

• Your home was built before 1 July 1948 or after 28 October 2018
• Your property has already been extended upwards
• You probably don’t have permitted development rights. If you live in a conservation area, an area of outstanding natural beauty. The Broads, a National Park, a World Heritage Site or a Site of Special Scientific Interest. Check with your Local Planning Authority if you’re not sure whether or not you have any planning restrictions in place.

Notify Local Authority Before Adding additional Storey Under Permitted Development?

Yes! Even though you no longer need planning permission to build additional storeys above your home. Mostly the extension will still be subject to approval. You will need to inform your Local Planning Authority of the proposed work. It also require  a ‘Prior Approval’ application and the extension will be subject to neighbour consultation.

The Local Authority will consider the impact of your proposed extension. On the other hand consult your adjoining neighbours to advise them of your planned development. If your neighbours raise any concerns or objections, the local authority will decide. If their objections are valid and whether your plans can go ahead.

Steps to Build Additional Storeys Under Permitted Development

• Assess Eligibility

Start by checking if your property qualifies under PD rights. Review the specific regulations and consult with your local authority.

• Planning and Design

Engage with professional architects and builders. They can help design the additional storeys to meet both your needs and regulatory requirements.

• Notifications and Approvals

Notify your local planning authority of your intentions. Also, inform your neighbours and address any concerns they might have.

• Construction Phase

Hire reputable contractors to undertake the construction. Ensure all building work complies with current building regulations.

• Completion and Final Checks

Once construction is complete, have final inspections carried out. Ensure everything meets the necessary standards and regulations.

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How to submit a ‘Prior Approval’ application for an additional Storey

You can only submit a ‘Prior Approval’ application for additional storeys to your Local Planning Authority after the 31st August 2020.

After this date, you should be able to apply online via the Planning Portal application service . Then print the application form and post it to your Local Planning Authority.

Along with the application form, you’ll need to submit a written description of the proposal. In addition a plan of the site showing the proposed development. And any existing enlargement of the original house and the addresses of any side/front/rear properties who share a boundary.

(You don’t need to make the application yourself – Yoop can submit a ‘Prior Approval’ application. It also need on your behalf so you don’t have to worry about it)

Building Up or Moving Out?

Permitted development rights for additional storeys offer a compelling alternative to traditional extensions or even moving house altogether. They can provide a cost-effective and time-saving way to gain much-needed space. However, careful consideration of the limitations, regulations, and potential need for prior approval is crucial.

Consulting with a qualified architect or architectural technologist is the smartest first step. They can assess your property, ensure your project aligns with permitted development rights, and guide you through the process. With careful planning and expert guidance, adding storeys under permitted development can be a fantastic way to transform your existing home into the perfect space for your growing needs.

If you have any questions about planning an extension, complying with permitted development rules. Also follow ‘Prior Approval’ applications, or just questions about creating your dream home in general. Go ahead and book a free call below with Yoop.

How you can benefit from Yoop Architects. 

Yoop Architects helps homeowners make sense of the complexities involved in permitted development rights. With plenty of experience with extensions—including additional floors—we offer bespoke designs with guaranteed compliance to applicable regulations. 

Here is a list of services that we provide: 

Initial consultation: develop on-site evaluation and design feasibility. 

Detailed architectural plans, compliance, and maximising in terms of space use. 

We shall include, if needed, the assistance during the prior approval application process. 

Full project management from design to building completion, making sure that there is a smooth flow in the execution of the works. 

Be it for your own home office, additional rooms, or just extra space, designing an additional floor could be the answer you have been looking for. The easy part about it is Yoop Architects makes sure that the entire process runs with the least fuss and paperwork from full planning permission. 

Summary: 

Building more storeyes under Permitted Development is a really great option for making your house grow and making it more functional without going through the long and costly ways of planning permission. Go for the right permission and know the limitations and requirements that come with it to ensure approval for your project. Yoop Architects are here to help you all the way from the initial design to the end of your extension.