5 Tips To Create A Great House Extension Plan

Homeowners in the UK are increasingly looking to extend their properties to create more space, add value, and enhance their living experience. Planning an extension may seem daunting, but with the right guidance, it can be a smooth and rewarding process. In this article, we will explore five tips to help you create a great house extension plan, answering some common questions and incorporating various extension strategies, principles, and elements.

Steps in Planning a House Extension

1. Assess Your Needs and Set Objectives

Before diving into the planning process, take time to consider:

  • The purpose of the extension
  • The available budget
  • How the extension will impact your property’s overall layout

Considerations may include adding a kitchen dining extension or planning for a loft conversion in a conservation area, for example.

2. Research Planning Regulations and Building Codes

Familiarise yourself with local planning regulations and building codes, including the 45-degree rule and the latest changes in building regulations.

3. Explore Various Extension Strategies

There are four main extension strategies to consider:

4. Consult with an Architectural Designer

Working with an Architectural Designer will help you create a tailored extension plan, ensuring compliance with planning regulations and meeting your needs. They can also assist with planning applications and securing planning permission.

5. Choose the Right Builder

Selecting a qualified and experienced builder is crucial to ensuring a successful extension project. They will manage the construction process, including laying foundations, which typically takes around four weeks for a small extension.

The Four Elements of Extension Planning

Incorporate these four elements into your extension plan:

  1. Design: Creating a functional and aesthetically pleasing space that complements your existing property.
  2. Materials: Selecting appropriate and sustainable building materials for your extension project.
  3. Budget: Establishing a realistic budget and making cost-effective decisions, such as choosing between extension plans cost and DIY solutions.
  4. Timeline: Developing a feasible timeline that accounts for the planning, design, and construction phases of your extension project.

The 9 Steps in Planning a House Extension

Follow these nine steps to successfully plan your house extension:

  1. Assess your needs and objectives.
  2. Research planning regulations and building codes.
  3. Explore various extension strategies.
  4. Consult with an architectural designer.
  5. Obtain planning permission, if required.
  6. Finalise the design and select materials.
  7. Choose the right builder for your project.
  8. Monitor the construction process.
  9. Complete the project and enjoy your new space.

Basic Principles of Extension Planning

Keep these basic principles in mind when planning your extension:

  • Ensure the extension complements your existing property in terms of design, scale, and materials.
  • Prioritise functionality and practicality to maximise the usefulness of the new space.
  • Incorporate energy-efficient solutions and sustainable materials to reduce your environmental impact.
  • Be mindful of your neighbours and consider how the extension may affect their property and privacy.

In Conclusion

Planning a house extension can be a rewarding endeavour when you follow the right steps, consider various extension strategies and principles, and work with experienced professionals. By incorporating these tips and guidelines, you will be well on your way to creating a beautiful and functional extension that enhances your home and adds value to your property. For more inspiration and advice, explore the Shear Architectural Design blog or visit their portfolio for examples of successful extension projects.

If you’re considering other types of extensions or renovation projects, you can also explore options such as:

As you embark on your house extension journey, remember to consider the importance of good design and practical solutions to create an extension that seamlessly integrates with your existing property. It’s also essential to stay up to date with the latest interior design trends and innovative technologies, such as smart home automation.

Moreover, consider incorporating biophilic design elements to promote health and well-being within your home, and make your property more accessible and inclusive with universal accessibility design principles.

By following these guidelines and working with experienced professionals, your house extension project will not only increase the value of your property but also enhance your living experience, making your home truly unique and tailored to your needs.

Shear Architectural Design is a group of experts who translate your dream into reality. They offer professional construction services to their customers.


The bottom line is that building an extension is beneficial. Through this, you breathe a new life in your living environment. Using these tips, you can avoid the common pitfalls and achieve a cost-effective extension project. With some insight and the correct advice, you will soon be on your path to living the dream.

See Wikipedia’s current information on Planning permission in the United Kingdom

Our Services

At Shear Architectural Design, we offer a range of services to help you bring your Passive House vision to life:

We assist with gaining planning permission and building regulations, ensuring that your project meets all necessary requirements.

Contact us today, on 01273 740642 to learn more about how we can help you create the home of your dreams!

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