When considering a house extension project in High Wycombe or Oxford, it is crucial to choose a service that combines expertise, professionalism, and a customer-focused approach. This is where CDGM Building and Property Services Ltd shines! As leaders in the industry, we pride ourselves on providing fully managed house extensions that not only enhance your living space but also add significant value to your property.
Whether you’re looking to expand your kitchen, add a new bedroom, or create a multifunctional living area, our tailored house extension solutions are designed to meet your unique needs. By entrusting your project to us, you can rest assured that we will manage it with utmost professionalism, ensuring a seamless and stress-free experience.
With CDGM Building and Property Services Ltd, your dream house extension becomes a reality. Crafted to the highest standards of quality and aesthetic appeal.
Our team comprises seasoned building contractors who bring unparalleled craftsmanship and attention to detail to every project we undertake. From the initial consultation to the final walk-through, we ensure that every step aligns with your vision and requirements. What’s more, our commitment to excellence means that we handle all aspects of the extension process. Leaving you free to focus on what matters most.

At CDGM Building and Property Services Ltd we are proud to be the leading choice for house extension services across High Wycombe, Oxford, Bicester, and Aylesbury.
With decades of experience, your house extension will be built by professionals who have the knowledge and skills to offer efficiency and precision. Delivering a range of extensions including:
Additionally, our house extension services are fully managed, renowned for their speed and efficiency. So, if you are looking for a professional extension that blends seamlessly with your existing home, get in touch with us today. You can rely on our team of building contractors to take care of you every step of the way.
When it comes to elevating the aesthetics and functionality of any property, few names resonate with excellence quite like CDGM Building and Property Services Ltd.
Specialising in comprehensive professional landscaping and building services including:
Whatever you need, we offer bespoke solutions tailored to meet your unique needs. With a dedication to transforming you0r property, we integrate innovative design with impeccable craftsmanship to deliver environments that not only enhance curb appeal but also increase property value.
Trust CDGM Building and Property Services for our commitment to environmentally responsible development. With an impressive portfolio that showcases a range of stunning projects. Each reflecting our passion for creating spaces that blend natural beauty with structural integrity.
So, whether you’re looking to modernise your home with contemporary landscaping or need complete building renovations, choosing CDGM Building and Property Services Ltd means investing in a partner who prioritises your vision. The leading choice in High Wycombe, Oxford, Bicester, and Aylesbury.
Whether you’re looking to create a stunning open-plan kitchen, a dedicated home office, or an extra bedroom, our house extension services cover it all. At CDGM Building & Property Services Ltd, we deliver high-quality single storey extensions, double storey extensions and wrap around extensions tailored to your home and lifestyle.
Serving homeowners across High Wycombe, Oxford, Bicester, and Aylesbury, we understand that every property has its own unique footprint. That’s why we take a personalised approach to every extension we build — no templates, no shortcuts, just expert craftsmanship that adds genuine value.
Single storey extensions are perfect for opening up living areas, expanding kitchens, or creating multifunctional spaces such as utility rooms or garden-facing lounges. With our design-to-completion service, we ensure your new space complements the original character of your home.
For homeowners in Oxford and High Wycombe looking to gain space across both floors, our double storey extensions provide the ideal solution. Add new bedrooms, en-suites or larger family spaces with minimal disruption and maximum impact.
Wrap around extensions are a clever way to maximise your ground floor living area, particularly on properties with side alleys or underused exterior space. If you’re in High Wycombe, Oxford, Bicester, Aylesbury and want to reconfigure your home’s footprint, we can help create a layout that works for your family.
As a trusted extension builder in High Wycombe and Oxford, we handle everything in-house—from planning advice and building regulations to structural work and finishing touches. Let us help you create the home you’ve always dreamed of.
Costs vary depending on the size, type (e.g. single storey or double storey), and specifications of your extension. On average, you can expect a single storey extension to start from £1,500 per square metre. We offer free consultations and quotes tailored to your project.
Not always. Many house extensions fall under permitted development rights, especially single storey rear extensions. However, double storey or wrap around extensions often require planning permission. We can advise and assist you through the planning process.
Timelines vary depending on complexity, but most single storey extensions take between 10–14 weeks. Double storey or larger builds may take longer. We provide a clear project timeline before we begin and keep you updated throughout.
Absolutely. We take great care to ensure that your extension blends seamlessly with your home, using materials that match the brickwork, windows, roof tiles and more.
Not necessarily. Most of our clients remain in their homes during construction. We work to minimise disruption and keep you informed at every stage.