Luxury House Extensions in London

Write Your Home’s Next Chapter

Don't let limited space compromise your vision. At SM London Construction, we specialise in home extensions that not only add square footage but also elevate your property's design and enhance its overall luxury.

Whether you dream of a sleek, modern house extension, a traditional layout, or a blend of styles, our team will bring your vision to life. We ensure your new house extension seamlessly integrates with your existing home, using high-quality materials and the latest construction techniques to combine beauty and functionality.

The result is a stunning, cohesive home extension that feels like an original part of your property, providing the extra space and refined design touches you've always wanted.

Book a consultation online or call us on 07961 817 505 or 0208 226 5511, and begin your journey to a transformed home today.

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Start-to-End Service.

10-Year Structural Warranty.

Accredited Team.

Endless Design Possibilities

Whether you need more space for your growing family or want to add luxury features like a home cinema or spa, we can design and build the perfect addition.

Choose from single-story, double-story, wraparound, or side extensions to match your home's unique footprint. Our experienced architects and designers will work closely with you to bring your vision to life, translating your style preferences into tasteful, functional realities. Traditional or modern, rustic or sleek - if you can dream it, we can build it.

Don't fret if you don’t have a concrete vision in mind. During a complimentary consultation at your home, we'll assess your space, discuss ideas that fit your lifestyle, and transform your wishlist into a custom plan tailored to you. With our bespoke approach, the possibilities are endless.

Browse our gallery for a look at the stunning results we’re able to achieve.

Our Gallery

By Your Side, Every Step of the Way

We handle every aspect of your project, from initial consultations where we make sure your needs are fully met, to managing the construction process with minimal disruption. You’ll work with the same dedicated team throughout, guaranteeing a smooth and seamless progression with no risk of miscommunication.

Beyond our design and build service, we offer comprehensive support at every stage. From guiding you through property planning guidelines in your borough to answering any questions about the build, we're always ready to make sure you have the information you need.

Click below to learn more about the process of partnering with us.

Our Process

Client Testimonials

Discover what our previous clients had to say about their experience working with us.

The team did a great job at building the rear extension as per our building specs. Gagan was our on site lead every day and was very professional, polite and friendly. And his team worked well together to get the build completed quickly.

House Extensions

We choose SM Construction to complete our first family home project (Rear extension) and we highly recommend them to others. Shaz and his builders worked in such a professional timely manner, ensuring we was kept posted in every step of the project. Any challenges that they faced they dealt with efficiently and cost effectively. Shaz and his builders craftsmanship and finishes of the job is what makes them stand out, making sure it was exactly to are needs and wishes. Shaz honest and transparent approach as a builder allowed us to promptly feel like our home was in trusted hands.

Home Extensions

Renovations

Loft Conversions

our projects

Book Your In-Home Design Consultation

If you’re ready to elevate your home to a new level of sophistication, talk to the design experts at SM London Construction today.
During your complimentary in-home consultation, we'll get to know your property and the vision you have for it. We’ll make sure we have a strong understanding of what you’re hoping to achieve, so we can begin the planning stage and start making your dream home a reality.
Book your no-obligation design consultation online, call 07961 817 505 or 0208 226 5511, and let’s get started.

Our Accreditations

Thanks to these industry connections, we're able to offer you steep trade discounts on materials. This reduces the amount you’ll need to spend on realising your dream home.

Reimagine your home with SM London Construction, London’s foremost specialists in luxury extensions, renovations, and conversions. Fusing a holistic approach with a meticulous eye for detail, we bring your vision to life in breathtaking fashion.