Rear House Extensions on Semi-Detached Houses by Expert Melbourne Builders

Living in a charming semi-detached house has its undeniable perks. But as your family grows or your dreams evolve, space sometimes feels like a luxury rather than a given. The solution? Consider adding a type of extension to the rear of the house – a transformative renovation that unlocks a world of possibilities for your cherished semi.

Unlocking Space with a Rear Extension on a Semi-Detatched House

Imagine stepping into a light-filled, airy kitchen extension that seamlessly flows into a spacious dining area, all bathed in natural sunlight streaming through expansive windows. Above, a dedicated workspace or a cosy playroom provides a haven for productivity or fun. This is the magic of a single or double-storey rear extension. It injects your semi with not just extra square footage, but with a newfound fluidity and functionality.

Extensions Beyond Square Footage

The magic of a single or double-storey rear extension goes beyond mere square footage. It allows you to:

  • Create dedicated spaces: Whether you yearn for a luxurious master suite, a home cinema, or a secluded home office, an extension grants you the space to tailor your home to your specific needs.
  • Improve flow and connectivity: Say goodbye to cramped, compartmentalised living. An extension can open up your home, fostering seamless transitions between living areas and the garden.
  • Boost property value: A well-designed, high-quality extension can significantly increase the value of your semi, making it a wise investment for the future.
  • Maximise natural light: With well-placed windows and skylights, you can bathe your home in natural light, enhancing its warmth and ambiance.

Navigating the Extension Process

While the allure of extra space is undeniable, navigating the planning process for a rear extension on a semi-detached house can seem daunting. Fear not! Extensions Unlimited, with years of experience, is here to guide you every step of the way.

  • Permitted Development: Certain dimensions and materials fall under “Permitted Development,” allowing you to build without formal planning permission. However, larger or more complex extensions may require a full planning application. Our experts will assess your project and navigate the regulations with ease.
  • Neighbourly Considerations: Open communication and considerate design are crucial when extending a semi-detached property. We’ll help you design an extension that respects your neighbours’ privacy and maintains harmony with the overall streetscape.


Designing Your Dream Rear Semi Detached Extension

The beauty of a rear extension lies in its ability to be seamlessly integrated into your existing semi-detached home. We believe in collaborative design, working closely with you to understand your vision and translate it into a stunning reality.

  • Matching Existing Style: Whether your semi boasts Victorian charm or contemporary cool, our experienced architects will craft an extension that complements its architectural character.
  • Maximising Functionality: From clever storage solutions to energy-efficient features, we’ll ensure your extension is not just beautiful, but practical and comfortable.
  • Creating Personalised Spaces: Whether you dream of a sun-drenched reading nook or a sleek open-plan kitchen, we’ll design spaces that reflect your unique personality and lifestyle.

Building your Rear Extension with Confidence

Transforming your semi-detached house with a rear extension is an exciting, yet potentially daunting, journey. Extensions Unlimited understands this and is here to take the stress out of the process.

  • Experienced Build Team: Our team of skilled builders, craftsmen, and project managers possesses years of experience in delivering high-quality extensions, ensuring your project is completed to the highest standards.
  • Transparent Communication: We understand the importance of keeping you informed throughout the build process. Regular updates, open communication, and access to a dedicated project manager guarantee a smooth and stress-free experience.
  • Unwavering Commitment to Quality: We use only the finest materials and adhere to the strictest building regulations, ensuring your extension is not just beautiful, but durable and built to last.

The Extensions Unlimited Advantage

Adding a single or double-storey rear extension to your semi-detached house is an investment in your future, an opportunity to unlock a world of possibilities within the familiar walls you love. Extensions Unlimited will guide you through every step of the extension process, transforming your vision into a stunning reality that enhances your life and elevates your home.

Don’t wait any longer to breathe new life into your semi-detached house. Contact Extensions Unlimited today for a free consultation!

Rear House Extensions on Semi-Detached Houses FAQs

How much does a rear extension for a semi-detached house cost?

The cost of a rear extension on a semi-detached house can vary depending on several factors, like size, materials, and complexity. However, at Extensions Unlimited, we offer free, no-obligation quotes to help you estimate your specific project. Get a customised quote today!

Do I need planning permission for a rear extension on my semi-detached house?

Permitted development rights allow for certain extensions without planning permission, but navigating these regulations can be tricky. Extensions Unlimited’s experienced team can advise you on your specific situation and guide you through the planning process if needed. Schedule a free consultation with our experts.

Will a double storey extension ruin the look of my semi-detached house?

A double storey extension will absolutely not ruin the look of your house! Our skilled designers specialise in creating beautiful and harmonious extensions that complement your existing home’s style. We’ll work closely with you to design an extension that enhances your property’s aesthetics and functionality.

What are the benefits of adding a rear extension to my semi-detached house?

The benefits are numerous! You’ll gain valuable extra space, increase your property value, improve your quality of life, and potentially even create a separate rental unit.

How long does it take to build a rear extension on a semi-detached house?

The timeline depends on the size and complexity of your project, but at Extensions Unlimited, we prioritise efficient construction methods to minimise disruption. We’ll provide you with a clear schedule and keep you updated every step of the way. Learn more about our streamlined construction process.


We would like to express our gratitude to you & your team for your recently completed Project of a second storey addition to our existing weatherboard home. From our first meeting with the Designer, we were confident in his enthusiasm for the business & his passion to design an extension...

Steve & Sophie – Ringwood Nth

It was a great experience and was handled with great care. It could have been a stressful time with a toddler, newborn, two dogs & a home extension. But it was really good & we really love our new space and home.

Ryan & Lisa – Viewbank

We purchased in an area we loved & that was a major factor in making the decision to extend...we loved the idea of being able to create something that suited our needs.

Alex & Sam – Knoxfield

Right from the first phone call we found the whole team at Extensions Unlimited to be very attentive and professional. The Design Consultant listened to our requests, and came up with a design that suited our needs and existing construction. Once the work commenced, we had fairly tight deadlines due...

Brenda – Glen Waverley

Our initial contact with the company was great. The Design Consultant met us for our first appointment and listened to our ideas and came up with a design which was exactly what we were looking for. The process was very easy and construction started after only a few months of...

Michael & Natalie – Nunawading

Very happy with our upstairs extension. The company stood out from the very beginning in terms of customer service as well as promptness and clarity of communication.Our project was finished on time and within budget. Have to especially acknowledge our Project Manager and our Designer. Our Designer was very patient...

Harish – Essendon

We opted for Extensions Unlimited purely based on our experience with our Designer. We were impressed by his professionalism & conscientiousness in finding the best design for our needs. Moreover, we felt he was someone we could trust. In fact, all Extensions Unlimited staff members were professional & friendly, so...

Stephen & Kim – Glen Waverley

Excellent Project Management! Communication was always clear, precise, timely & trustworthy. The whole extension / renovation process was well handled and we enjoyed the journey.

Huei & Chin-Wei – Mount Waverley


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