
CREATE MORE SPACE IN YOUR CURRENT HOME
House extensions are an ideal solution for homeowners looking to expand their living space without the hassle of moving. Whether you need an extra bedroom, a larger kitchen or a home office, extending your current property can provide the additional space you need.
At MAG Developments SW we understand the challenges and stress that can come with home renovations. Our team is dedicated to delivering projects that give you the space you need, without compromise. With our extensive experience in Plymouth, we offer comprehensive building solutions tailored to your unique needs.
BESPOKE DESIGNS
PROFESSIONAL SERVICE GUARANTEED
EXTENSIVE KNOWLEDGE IN RENOVATIONS

Tailored designs
Our house extensions come with a range of features designed to enhance your living space. We offer bespoke designs that seamlessly integrate with your existing property, ensuring a cohesive look and feel. Our team uses high-quality materials and the latest construction techniques to deliver durable and aesthetically pleasing results. By choosing MAG Developments SW you can expect a professional service that prioritises your satisfaction.
Our process for seamless extensions
From the initial consultation to the final touches, our team is committed to providing a smooth and stress-free experience. Our team is fully trained in the latest safety standards, regulations and industry best practices. Contact us today to learn more about our services and how we can help you transform your home with a custom extension.​
We can also help you make the most of existing spaces, such as your loft.

Why choose a professional for your extension?
Embarking on a home extension is a significant investment, and ensuring it's done right is paramount. At MAG Developments SW, we bring over 30 years of combined experience to every project in Plymouth and surrounding communities, guaranteeing that our tailored house extensions are not only beautiful but also structurally sound and compliant with all building regulations. We manage every detail, from the initial groundwork to the final finishes, providing a seamless and stress-free process that amateur builders simply cannot match.

Our commitment to quality and craftsmanship
We believe that a quality home extension starts with quality materials and exceptional craftsmanship. Our dedicated team uses only the best materials sourced from trusted suppliers to ensure your extension is built to last, perfectly complementing your existing home. We handle all aspects of the build, including roofing, plastering, and window installation, with meticulous attention to detail.
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If you’re ready to expand your living space with a team you can trust, connect with us today; learn how our expertise in house extensions can transform your property.

PROFESSIONAL SERVICE GUARANTEED
At MAG Developments SW we pride ourselves on offering a professional service that guarantees satisfaction. Our team is dedicated to delivering projects that meet your expectations, and we will work closely with you to ensure that your vision is realised.
We'll handle all aspects of the project including new roofing, plastering, rendering, windows and doors.
See what our clients say
Customer in PL5, Checkatrade
"They were fantastic. They were clean, tidy, reliable and punctual. Very reasonably priced. I’m delighted with the end product. I will be using these guys over and over again. 10/10 keep up the good work guys."

FREQUENTLY ASKED QUESTIONS
What are the different types of house extensions you offer?
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We specialise in a variety of house extensions to suit different needs and property types. This includes single-storey rear or side extensions, which are perfect for creating larger kitchens or living areas. We also construct multi-storey extensions for those needing significant extra space, such as additional bedrooms and bathrooms, helping your home grow with your family.
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​How long does a typical house extension project take from start to finish?
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The timeline for a house extension can vary depending on the project's size, complexity, and planning requirements. On average, a straightforward single-storey extension can take approximately 3 to 4 months from the start of construction to completion. More complex projects, such as double-storey tailored house extensions, may take longer, but we will always provide you with a detailed project schedule during our initial consultation.
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Do I need to hire an architect before contacting you?
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While you are welcome to come to us with existing plans, it is not a requirement. We have strong relationships with trusted local architects and can recommend one to help you design your dream extension. We can work with you from the very beginning of your project in Plymouth, helping to bring your initial ideas to life through professional design and planning.
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Can we live in our house while the extension is being built?
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Absolutely; in the vast majority of cases, you can remain in your home throughout the construction process. Our team is highly experienced in managing projects to minimise disruption to your daily life. We take great care to seal off the work area, control dust and debris, and maintain a safe and tidy site, ensuring your home remains a comfortable living space for you and your family.​
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