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10 Inspiring Rear House Extension Ideas for Modern Homes

Updated: Apr 8

Rear house extensions offer a fantastic opportunity to enhance space and functionality while adding a contemporary touch to your home. Explore these inspiring ideas to elevate your modern living experience.

1. Seamless Indoor-Outdoor Connection:

Create a fluid transition between indoor and outdoor spaces with a rear extension featuring expansive glass walls or bi-fold doors. This design blurs the boundaries, inviting natural light and the beauty of the outdoors into your home.

2. Rooftop Terrace Extension:

Maximize vertical space by extending upwards with a rooftop terrace extension. Enjoy panoramic views of the surroundings while adding valuable outdoor living space for relaxation and entertainment.

3. Open-Plan Living and Dining:

Opt for an open-plan layout that integrates the rear extension with the existing living and dining areas. This spacious and airy design encourages connectivity and facilitates social gatherings.

4. Lightwell Extension:

Introduce a lightwell into your rear extension to illuminate interior spaces with natural light. This architectural feature enhances ambience while maintaining privacy in urban settings.

5. Minimalist Box Extension:

Embrace simplicity with a minimalist box extension that complements the clean lines and modern aesthetic of your home. This understated design makes a bold architectural statement.

6. Garden Room Extension:

Create a tranquil retreat within your home with a garden room extension. Surrounded by lush greenery, this extension provides a serene space for relaxation, meditation, or creative pursuits.

7. Kitchen Extension with Island:

Transform your kitchen into the heart of the home with a rear extension that incorporates a central island. This functional layout offers ample workspace, storage, and seating for casual dining.

8. Glass-Enclosed Conservatory:

Bring the charm of a traditional conservatory into the modern era with a sleek glass-enclosed extension. This versatile space serves as a sunroom, greenhouse, or additional living area.

9. Multi-Level Extension:

Add architectural interest to your home with a multi-level rear extension. This design creates visual intrigue while maximizing floor space for various activities and functions.

10. Cantilevered Extension:

Make a striking architectural statement with a cantilevered rear extension that appears to float above the ground. This innovative design adds drama and sophistication to your home's exterior.


Rear house extensions offer endless possibilities for enhancing the functionality, aesthetics, and value of modern homes. Whether you seek seamless indoor-outdoor living, sleek minimalist design, or innovative architectural features, these inspiring ideas are sure to elevate your living experience.

How DSB8 can help you with rear and side house extension services in London?

DSB8 specializes in creating bespoke rear and side house extensions in London. From contemporary designs to narrow side return extensions, our team of experts will work closely with you to bring your vision to life. Contact us today to discuss your project requirements and turn your dream home into a reality.


Q1: Are rear extensions suitable for all types of homes?

A1: Rear extensions can be tailored to suit a variety of property styles, from terraced houses to detached homes, making them a versatile option for modernizing your living space.

Q2: How long does it take to complete a rear house extension project?

A2: The duration of a rear house extension project depends on various factors, including the size of the extension, planning permissions, and construction complexities. On average, it can take several months to complete from design to completion.

Q3: Can I customize the design of my rear extension to suit my specific needs?

A3: Yes, rear extensions can be fully customized to accommodate your lifestyle preferences, architectural style, and functional requirements. Working with experienced architects and builders ensures that your vision is realized to perfection.

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DSB8 will oversee the entire project and building management process for residential and commercial clients.

| Work Days

Mon-Sat: 8:00 AM to 5:30 PM

Sunday:  Closed

| Covered Areas

London Borough of Hammersmith and Fulham

Royal Borough of Kensington and Chelsea 

London Borough of Lambeth

London Borough of Wandsworth

London Borough of Merton

City of Westminster

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