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Double Storey Extensions 

Are you a homeowner in the Northwest of England, North Wales, Milton Keynes, or Bedford looking to significantly expand your living space? Diogel Architecture specialises in double storey extensions that provide substantial additional room and elevate your home’s functionality and aesthetic appeal.

The Benefits of Double Storey Extensions

 

When considering a double storey extension, there are numerous benefits to keep in mind:

  • Increased Living Space: Double storey extensions offer considerable extra space, ideal for expanding both living and bedroom areas.

  • Enhanced Property Value: Adding a second storey can significantly increase your property’s market value, making it a worthwhile investment.

  • Efficient Use of Land: By building upwards, you can maximise your living space without reducing your garden or outdoor areas.

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SEE HOW WE HELPED MAKE THESE
DREAM HOMES A REALITY FOR OUR CLIENTS

"After exploring various architects, I chose Diogel due to Adam's enthusiasm for my project, coupled with a lack of pushiness. The transparent billing for each step allows for easy cost management throughout the project."
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Michelle Williams

"Super fast response with pragmatic service and instilled a sense of trust. Pricing was very reasonable - not the cheapest, but, not the most expensive. Very professional but with a human, down to earth touch."
mokdeabar_a_normal_amateur_home_selfie_photograph_mans_profile__385c3438-5ca6-4a88-a411-64

John Keilaus

Our Approach to Double Storey Extensions

Choosing Diogel Architecture for your double storey extension project means opting for a personalised approach. We understand that each homeowner has unique needs and preferences. Our architects work closely with you from concept to completion, ensuring every detail is meticulously planned and executed.

 

Our Portfolio

We take pride in our portfolio of stunning double storey extensions across the Northwest of England, North Wales, Milton Keynes, and Bedford. From contemporary designs to traditional extensions that complement period properties, our team has the expertise to create extensions that enhance your home's functionality and aesthetic appeal.

DREAMS THAT WE MADE INTO A REALITY

​Types of Double Storey Extensions

 

Here are some of the double storey extensions we specialise in:

  • Rear Double Storey Extensions: Extend your home at the back to create additional living space on both floors without compromising your front facade.

  • Side Double Storey Extensions: Utilize the space on the side of your house to add extra rooms, such as additional bedrooms, bathrooms, or a larger kitchen.

  • Wrap-Around Double Storey Extensions: Combine rear and side extensions for a comprehensive transformation, significantly increasing your living space and allowing for flexible design options.

What Sets Us Apart

Choosing the right residential architect for your double storey extension project is crucial. Here's what sets Diogel Architecture apart:

  • Personalised Approach: We prioritise your needs, working closely with you throughout the entire process to bring your vision to life.

  • Extensive Experience: Our team of experienced architects has a proven track record of delivering successful double storey extensions of various styles and complexities.

  • Attention to Detail: We are meticulous in our planning and execution, ensuring every detail meets your expectations.

  • Value for Investment: We provide excellent value for your investment, creating spaces that enhance both your lifestyle and property value.

THE PERKS OF PARTNERING WITH US ON YOUR PROJECT:

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A PERSONALISED DESIGN
PROCESS

tailored to your unique

requirements.

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COMPLETE PROJECT
OVERSIGHT

ensuring quality from

concept to completion.

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SKILLFUL DESIGN &
EXECUTION

that will truly elevate your

living or working space.

​When to Consider a Single Storey Extension

 

There are several scenarios where a double storey extension might be the right choice:

  • Growing Family: If your family is expanding and you need more space to accommodate everyone comfortably, a double storey extension can provide the additional rooms you require.

  • Increasing Property Value: A well-designed double storey extension can significantly increase the value and marketability of your property, making it more attractive to potential buyers.

  • Enhanced Functionality: Whether you need extra bedrooms, a larger kitchen, or more living space, a double storey extension can adapt your home to your changing lifestyle.

  • How can I ensure my flat conversion meets building regulations?
    Ensuring your flat conversion meets building regulations involves thorough planning and adherence to safety, health, and energy efficiency standards. Our team has extensive experience with building regulations and will ensure your project complies with all necessary requirements.
  • Do I need planning permission for a flat conversion?
    Yes, planning permission is typically required for flat conversions. This involves submitting a detailed plan to your Local Planning Authority and obtaining approval before making any changes. Our team will help you navigate the planning process and ensure compliance with local regulations.
  • How much does a flat conversion cost?
    The cost of a flat conversion can vary widely depending on factors such as the size of the property, design complexity, and materials used. On average, flat conversions in the UK can range from £30,000 to £100,000 per unit. We work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • What types of properties are suitable for flat conversions?
    Various types of properties can be suitable for flat conversions, including large Victorian or Edwardian houses, modern buildings, commercial properties, and even unused lofts or basements. Our architects will evaluate your property and help determine the best approach for your conversion project.
  • How long does it take to complete a flat conversion?
    The duration of a flat conversion project depends on its complexity and size. Typically, a flat conversion can take 6 to 12 months from planning to completion. We provide a detailed timeline tailored to your specific project during the consultation phase.
  • Can flat conversions be eco-friendly?
    Yes, flat conversions can be designed with sustainability in mind. We incorporate eco-friendly materials, energy-efficient systems, and sustainable building practices to create flats that reduce environmental impact and enhance energy efficiency.
  • What types of materials are best for double storey extensions?
    Choosing the right materials for your double storey extension is crucial for both aesthetics and functionality. Popular options include brick, timber, glass, and steel. Our architects will help you select materials that complement your existing home and meet your needs for durability, insulation, and style.
  • How long does it take to complete a double storey extension?
    The duration of a double storey extension project depends on its complexity and size. Typically, a double storey extension can take 6 to 12 months from planning to completion. We provide a detailed timeline tailored to your specific project during the consultation phase.
  • Can a double storey extension be built on any side of my house?
    The location of a double storey extension on your property can depend on several factors, including local planning regulations, the layout of your land, and the design of your existing home. Our architects will evaluate your property and help you determine the best placement for your extension to maximise space and functionality while complying with any planning requirements.
  • Can a double storey extension be eco-friendly?
    Yes, double storey extensions can be designed with sustainability in mind. We incorporate eco-friendly materials, energy-efficient windows, and sustainable building practices to create extensions that reduce environmental impact and enhance energy efficiency.
  • How much does a double storey extension cost?
    The cost of a double storey extension can vary widely depending on factors such as size, design complexity, and materials used. On average, double storey extensions in the UK can range from £50,000 to £100,000. We work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • Do I need planning permission for a double storey extension?
    Yes, planning permission is typically required for double storey extensions. This involves submitting a detailed plan to your Local Planning Authority and obtaining approval before construction begins. Our team will help you navigate the planning process and ensure compliance with local regulations.
  • How long does it take to complete a basement extension?
    The duration of a basement extension project depends on its complexity and size. Typically, a straightforward basement extension can take 6 to 12 months from planning to completion. We provide a detailed timeline tailored to your specific project during the consultation phase.
  • How much does a basement extension cost?
    The cost of a basement extension can vary widely depending on factors such as size, design complexity, and materials used. On average, basement extensions in the UK can range from £50,000 to £150,000. We work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • Do I need planning permission for a basement extension?
    Planning permission is not always required for basement extensions, but it depends on factors such as the scale of the project and local regulations. Our team will help determine if your project requires planning permission and assist with the application process if needed.
  • What types of materials are best for basement extensions?
    Choosing the right materials for your basement extension is crucial for both aesthetics and functionality. Popular options include waterproofing systems, high-quality insulation, and durable flooring. Our architects will help you select materials that meet your needs for durability, energy efficiency, and style.
  • How can I ensure my basement extension is waterproof?
    Ensuring your basement extension is waterproof involves using high-quality waterproofing systems, proper drainage, and reliable construction techniques. Our team has extensive experience in waterproofing and will ensure your basement is protected from moisture and water damage.
  • Can a basement extension be eco-friendly?
    Yes, basement extensions can be designed with sustainability in mind. We incorporate eco-friendly materials, energy-efficient lighting, and sustainable building practices to create extensions that reduce environmental impact and enhance energy efficiency.
  • How far can I extend without planning permission?
    Terraced or semi-detached houses can extend up to 6 metres, while detached houses can go up to 8 metres. Full planning permission is required for flats, maisonettes, or properties in conservation areas. For side extensions, permitted development allows extensions up to half the width of the original house, while loft extensions should set the roof back at least 20cm from the eaves, unless it’s a hip or gable roof.
  • What are the most common types of house extensions?
    The most common types of house extensions include rear extensions, side extensions, wrap-around extensions, loft conversions, and basement conversions. Each type serves different needs, such as expanding living space, adding extra bedrooms, or creating a home office.
  • How long does it typically take to complete a house extension?
    The duration of a house extension project can vary depending on its complexity and size. On average, a straightforward extension can take 3 to 6 months from planning to completion, while more extensive projects may take longer. We provide a detailed timeline tailored to your specific project during the consultation phase.
  • How do I finance a house extension project?
    There are several ways to finance a house extension, including home improvement loans, remortgaging, or using savings. We recommend consulting with a financial advisor to explore your options and find the best solution for your situation. Additionally, our team can provide guidance on cost-effective design choices to help manage your budget.
  • What is a planning application?
    Planning permission is required if you want to build, change the use of your land or building, or undertake a house extension. It involves submitting a proposal to the Local Planning Authority (LPA) for their review and approval. The LPA ensures that the development aligns with local guidelines, maintains the area’s character, and safeguards heritage. The process typically takes 6 to 8 weeks for a decision, and most LPAs charge a fee for pre-application advice.
  • What is permitted development?
    Permitted Development Rights give homeowners more freedom to expand their homes without the need for full planning permission. This allows for certain types of extensions, conversions, porches, outbuildings, solar panels, and windows/doors to be carried out within specified limits and rules. However, double-storey extensions, larger loft conversions, flats, and properties in conservation areas may still require full planning permission.
  • How long does the planning process take?
    The planning process typically takes 6 to 8 weeks for a decision after submitting your proposal. Engaging with a professional architect early can streamline this process and address any potential issues.
  • Do I need planning permission for Change of Use?
    Yes, changing the use of a property usually requires planning permission. This involves submitting a detailed plan to your Local Planning Authority and obtaining approval before any changes are made. It ensures your project meets all local regulations and standards.
  • Can you help with obtaining planning permission?
    Absolutely. Diogel Architecture can assist with every step of the planning permission process, from initial consultation and design to submitting the application and liaising with the Local Planning Authority on your behalf.
  • What is a planning application?
    Planning permission is required if you want to change the use of your land or building. It involves submitting a proposal to the Local Planning Authority (LPA) for their review and approval. The LPA ensures that the development aligns with local guidelines, maintains the area’s character, and safeguards heritage. The process typically takes 6 to 8 weeks for a decision, and most LPAs charge a fee for pre-application advice.
  • What are the costs involved in a Change of Use project?
    The costs of a Change of Use project can vary widely depending on factors such as the size of the property, the complexity of the conversion, and the materials used. At Diogel Architecture, we work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • What is permitted development?
    Permitted Development Rights allow certain types of building work and changes to be carried out without the need for full planning permission. However, significant Change of Use projects typically require full planning permission due to their impact on the surrounding area.
  • How much does a single storey extension cost?
    The cost of a single storey extension can vary widely depending on factors such as size, design complexity, and materials used. On average, single storey extensions in the UK can range from £20,000 to £50,000. We work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • Do I need planning permission for a single storey extension?
    In many cases, single storey extensions fall under Permitted Development Rights, meaning they do not require planning permission. However, this depends on specific criteria such as size, height, and location. Our team will help determine if your project requires planning permission and assist with the application process if needed.
  • Can a single storey extension be eco-friendly?
    Yes, single storey extensions can be designed with sustainability in mind. We incorporate eco-friendly materials, energy-efficient windows, and sustainable building practices to create extensions that reduce environmental impact and enhance energy efficiency.
  • What types of materials are best for single storey extensions?
    Choosing the right materials for your single storey extension is crucial for both aesthetics and functionality. Popular options include brick, timber, glass, and steel. Our architects will help you select materials that complement your existing home and meet your needs for durability, insulation, and style.
  • How long does it take to complete a single storey extension?
    The duration of a single storey extension project depends on its complexity and size. Typically, a straightforward extension can take 3 to 6 months from planning to completion. We provide a detailed timeline tailored to your specific project during the consultation phase.
  • Can a single storey extension be built on any side of my house?
    The location of a single storey extension on your property can depend on several factors, including local planning regulations, the layout of your land, and the design of your existing home. Our architects will evaluate your property and help you determine the best placement for your extension to maximise space and functionality while complying with any planning requirements.
  • Do I need planning permission for a loft conversion?
    Most loft conversions fall under Permitted Development Rights and do not require planning permission. However, this depends on specific criteria such as size, type of conversion, and location. Our team will help determine if your project requires planning permission and assist with the application process if needed.
  • Can a loft conversion be eco-friendly?
    Yes, loft conversions can be designed with sustainability in mind. We incorporate eco-friendly materials, energy-efficient windows, and sustainable building practices to create conversions that reduce environmental impact and enhance energy efficiency.
  • How much does a loft conversion cost?
    The cost of a loft conversion can vary widely depending on factors such as size, design complexity, and materials used. On average, loft conversions in the UK can range from £20,000 to £50,000. We work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • What types of materials are best for loft conversions?
    Choosing the right materials for your loft conversion is crucial for both aesthetics and functionality. Popular options include timber, steel, and high-quality insulation materials. Our architects will help you select materials that meet your needs for durability, energy efficiency, and style.
  • How can I maximise natural light in my loft conversion?
    Maximising natural light in your loft conversion can be achieved by strategically placing windows, skylights, and Velux windows. Our architects will design your conversion to ensure optimal light distribution, creating a bright and welcoming space.
  • How long does it take to complete a loft conversion?
    The duration of a loft conversion project depends on its complexity and size. Typically, a straightforward conversion can take 6 to 8 weeks from planning to completion. We provide a detailed timeline tailored to your specific project during the consultation phase.
  • Do I need planning permission for a commercial building?
    Yes, planning permission is typically required for commercial buildings. This involves submitting a detailed plan to your Local Planning Authority and obtaining approval before construction begins. It ensures your project meets all local regulations and standards.
  • What are the costs involved in a commercial architecture project?
    The costs of a commercial architecture project can vary widely depending on factors such as the size and complexity of the building, the materials used, and the location. At Diogel Architecture, we work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • Can you help with obtaining planning permission?
    Absolutely. Diogel Architecture can assist with every step of the planning permission process, from initial consultation and design to submitting the application and liaising with the Local Planning Authority on your behalf.
  • How long does a commercial architecture project take?
    The duration of a commercial architecture project depends on its scale and complexity. Typically, projects can take several months to a few years from initial consultation to completion. Our team will provide a detailed timeline based on your specific project.
  • What is the process for starting a commercial architecture project?
    Starting a commercial architecture project involves several steps, including initial consultation, site analysis, conceptual design, detailed planning, and obtaining necessary approvals. Our team will guide you through each step to ensure a smooth and successful project.
  • Can you design sustainable commercial buildings?
    Yes, sustainability is a key focus at Diogel Architecture. We incorporate sustainable practices and materials into our designs to create energy-efficient, environmentally friendly commercial buildings that reduce operational costs and environmental impact.
  • What is a planning application?
    Planning permission is required if you want to build, change the use of your land or building, or undertake a new build. It involves submitting a proposal to the Local Planning Authority (LPA) for their review and approval. The LPA ensures that the development aligns with local guidelines, maintains the area’s character, and safeguards heritage. The process typically takes 6 to 8 weeks for a decision, and most LPAs charge a fee for pre-application advice.
  • What is permitted development?
    Permitted Development Rights allow certain types of building work to be carried out without the need for full planning permission. However, new builds usually require full planning permission due to their scale and impact on the surrounding area.
  • How long does the planning process take?
    The planning process typically takes 6 to 8 weeks for a decision after submitting your proposal. It’s advisable to engage with a professional architect early to streamline this process and address any potential issues.
  • Do I need planning permission for a new build?
    Yes, planning permission is usually required for new builds. This involves submitting a detailed plan to your Local Planning Authority and obtaining approval before construction begins. It ensures your new build meets all local regulations and standards.
  • What are the costs involved in a new build?
    The costs of a new build can vary widely depending on factors such as the size of the home, the complexity of the design, and the materials used. At Diogel Architecture, we work with you to develop a budget and ensure that your project is cost-effective without compromising on quality.
  • Can you help with obtaining planning permission?
    Absolutely. Diogel Architecture can assist with every step of the planning permission process, from initial consultation and design to submitting the application and liaising with the Local Planning Authority on your behalf.

GOT QUESTIONS?

Take advantage of our FREE session to explore your ideas, understand the planning process, and see if you're ready to start your architectural journey. 

We might even let you know how you can do this without needing to extend at all!

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