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Planning a steel frame building can be a transformative step in creating a versatile and functional space. Whether it’s for personal, business or community use, understanding the details of planning regulations is essential. One of the key considerations involves differentiating between ancillary and incidental use – terms that play a central role in determining what is permissible under planning laws. At Steel Frame Buildings Ltd, we specialise in designing and constructing high-quality steel frame buildings and structures that meet a wide range of needs, from residential to commercial.

With years of experience and a reputation for excellence, we pride ourselves on delivering durable, cost-effective and environmentally friendly solutions tailored to our clients’ unique requirements. In this blog, we’ll break down the concepts of ancillary and incidental use, explain how they apply to steel frame buildings, and explore the planning regulations that may impact your project. Whether you’re a homeowner or a business owner, this guide will provide valuable insights to ensure your project is compliant and successful. Get in touch with us today for more information!

What’s the difference between Ancillary and Incidental use?

When planning a steel frame building, understanding how the terms ancillary use and incidental use differ is essential, as they impact the type of planning permission required. Here’s a breakdown of the two terms:

  • Ancillary Use

Ancillary use refers to a building or space that is subordinate to the primary function of a property but still relates to its main purpose. For instance, if a property is primarily residential, an ancillary structure might include a home office or a guest house used for purposes that supplement the dwelling. While the activity or use is secondary, it remains directly connected to the main use of the property.

  • Incidental Use

Incidental use, on the other hand, is focused on facilities or activities that enhance the enjoyment of the property but are not directly tied to its primary purpose. Examples of incidental use may include a gym, workshop, or garden shed that serves as a leisure or storage area. These uses don’t directly support the main function of the property but are considered reasonable additions for personal enjoyment.

Understanding these definitions is essential as they impact the scope of what’s permissible under planning regulations. While both uses may require planning permission, the criteria and conditions vary significantly.

Permitted Development Rights

Permitted Development Rights (PDR) allow certain building works to proceed without needing a full planning application. These rights, granted under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended), simplify the process of constructing outbuildings under specific conditions.

Key Provisions for Incidental Use

Under Part 1, Class E of the GPDO, outbuildings intended for incidental use can be constructed without full planning permission, provided they meet the following criteria:

  • The building is used solely for purposes incidental to the enjoyment of the dwellinghouse.
  • It does not exceed the size and height restrictions outlined in the regulations.
  • The structure is not located on designated land, such as a conservation area or national park.

Important Note: Ancillary use does not qualify under these permitted development rights. For example, an outbuilding intended as a separate living space or rental accommodation would require a full planning application, as this constitutes ancillary use.

Annexes & Attached Structures

For annexes attached to the main property, Part 1, Class A of the GPDO may apply. This allows certain extensions to be constructed under permitted development, provided they meet the following conditions:

  • The annexe is occupied by a family member.
  • The structure adheres to size, height, and distance requirements specified in the GPDO.

It’s always advisable to consult local planning authorities or seek professional advice to ensure compliance with these regulations.

How does this apply to steel frame buildings?

Steel frame buildings are an increasingly popular choice for outbuildings due to their versatility, durability, and cost-effectiveness. Whether you’re planning a residential annexe, a workshop, or a storage unit, the classification of the building’s use, ancillary or incidental, will dictate the planning requirements.

Incidental Use for Steel Frame Buildings

Steel frame buildings designed for incidental use, such as garages, home gyms, or workshops, often fall under the scope of permitted development. Their practical design and customisation options make them ideal for these purposes. For instance, a steel-framed garden office used for personal projects could qualify as incidental, provided it complies with the regulations.

Ancillary Use & Planning Considerations

If you intend to use a steel frame building for ancillary purposes, such as a guest house or separate dwelling, additional planning permissions are typically required. The robust nature of steel frame buildings makes them suitable for such applications, but their intended use must align with the local planning regulations.

Types of Steel Frame Buildings

At Steel Frame Buildings Ltd, we offer a versatile selection of steel frame buildings, all catered to your requirements. Whether you’re extending your home or creating a garden office, we’re confident that we’ll have the solution for you. Our range of steel frame buildings includes:

Extensions

Opting for a steel frame house extension offers significant benefits, including extra living space for expanding kitchens, adding bedrooms, or creating open-plan areas that seamlessly integrate with existing rooms. Steel frames provide exceptional safety due to their non-combustible nature and are precision-engineered, ensuring structural integrity and reducing the risk of errors. With built-in insulation and pre-assembled components, the construction process is faster and more efficient, allowing you to enjoy a comfortable, energy-efficient living environment with minimal disruption.

Porches

Building a porch with a steel frame delivers several benefits, including exceptional durability, resistance to rot and warping, and minimal maintenance compared to wood or concrete. Steel’s resilience to weathering and corrosion makes it ideal for outdoor structures, ensuring your porch maintains its integrity and appearance over time. What’s more, steel frames allow for flexible designs and are an environmentally friendly choice. Steel frame porches are a stylish, low-maintenance, and sustainable solution that enhances your outdoor living space.

Loft Conversions

Transforming your loft into a functional living space is an excellent way to add valuable living space and increase the value of your property. Among the various materials available for loft construction, steel frames have emerged as a superior choice due to their many advantages.  Steel frame loft conversions are particularly beneficial due to their strength, allowing for open-plan designs and large windows that flood the space with natural light. Steel also supports the additional weight that may come with adding a new room, ensuring the structure’s integrity.

Garden Rooms

Garden rooms are an increasingly popular way to extend your living space. Whether you need a home office, a gym, or just a peaceful retreat, our light gauge steel frames provide a durable and stylish solution. These garden rooms are quick to assemble, weather-resistant, and can be customised to suit your needs. Additionally, they are available in a range of customisation options to suit your requirements. From modern glass-walled studios to rustic-looking cabins, garden rooms can be customised to suit various styles and tastes.

Ready to start your journey to your own steel frame building with Steel Frame Buildings Ltd? If so, please don’t hesitate to contact us today for more information!

The Benefits of Steel Frame Buildings

With years of industry experience, we at Steel Frame Buildings Ltd have seen the benefits of our steel frame buildings first-hand. Here’s what you can enjoy with our steel-frame buildings…

  • Fast & Efficient

Efficiency and speed are at the heart of everything we do when constructing steel frame buildings. With years of expertise, cutting-edge tools and high-quality materials, we ensure your project runs smoothly and on schedule. Our streamlined processes minimise delays, helping you move forward confidently with your plans.

  • Light Gauge Construction Steel

We craft our steel frame buildings using premium-grade light gauge steel for unparalleled durability and performance. This ensures long-term protection against corrosion, weathering, and other external damage, keeping your structure in excellent condition for years to come.

  • Accuracy to Within 0.5mm

Precision is key to delivering steel frame buildings that meet your exact requirements. Our manufacturing process achieves accuracy to within 0.5mm, ensuring every detail aligns perfectly with your specifications. This meticulous attention to detail results in a flawless, high-quality finish you can trust.

  • Sustainable Methods

Choosing a steel frame building means embracing environmentally friendly construction methods. Our buildings are made from 96% recyclable steel, reducing waste and promoting sustainability. Additionally, steel’s energy-efficient properties contribute to a smaller carbon footprint over the lifespan of your structure.

  • Increase Your Home’s Value

Steel frame buildings are a wise investment that could boost your property’s value by up to 15%. Whether you’re planning to sell soon or simply want to future-proof your home’s worth, a steel frame building offers long-lasting benefits. It enhances both functionality and aesthetic appeal, making it a highly attractive addition.

  • Tailored to You

Every steel frame building we create is fully customised to suit your lifestyle, needs, and personal style. From design to construction, we work closely with you to ensure every detail matches your vision. The result is a bespoke solution that elevates your property and meets your practical requirements seamlessly.

Steel frame buildings come with a whole range of top benefits, so what are you waiting for? Please don’t hesitate to get in touch with Steel Frame Buildings Ltd today for more information!

In Conclusion – Building with Confidence

Navigating the complexities of planning regulations doesn’t have to be overwhelming. By understanding the distinctions between ancillary and incidental use, you can plan your steel frame building project with confidence. At Steel Frame Buildings Ltd, we’re committed to helping our clients achieve their vision while ensuring full compliance with planning requirements. Our expertise in designing and constructing steel frame structures allows us to provide tailored solutions that meet your needs and exceed expectations.

Steel frame buildings offer unmatched flexibility and durability, making them a great option for residential and commercial projects. Whether you’re considering an incidental outbuilding or an ancillary annexe, our team is here to guide you through every step of the process.

FAQs

What is the difference between ancillary and incidental use?

Ancillary use supports the primary function of a property, while incidental use enhances personal enjoyment without directly supporting the main purpose.

Can a steel frame building be used as a home office?

Yes, a steel frame building can be used as a home office, which is typically considered an ancillary use.

Can I build a steel frame annexe under permitted development rights?

Annexes usually fall under ancillary use, requiring full planning permission, unless they meet the specific conditions of the GPDO.

What are permitted development rights?

Permitted development rights allow certain building works to proceed without a full planning application, subject to specific criteria.

Are there height restrictions for steel frame buildings?

Yes, permitted development rights impose height restrictions depending on the building’s location and purpose.

Can I rent out a steel frame annexe?

Renting out an annexe typically qualifies as ancillary use and requires planning permission.

Do incidental buildings need to match the main dwelling’s materials?

Not necessarily, but it’s advisable to consider aesthetics and planning guidelines.

Are steel frame buildings environmentally friendly?

Yes, steel is recyclable, durable, and energy-efficient, making it an eco-friendly construction material.

Can I extend an existing steel frame building under permitted development?

Extensions may qualify under permitted development, but it depends on the structure’s use and location.

At Steel Frame Buildings Ltd, we’re passionate about helping our clients bring their ideas to life. Whether you need a small workshop or a large annexe, our team is ready to assist with expert advice and high-quality construction services. Contact us today and let’s build something extraordinary together!

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