Large Extension project

New build extension completed

A significant addition was constructed using bricks that had been salvaged from other buildings, resulting in a visually impressive extension.

Construction advise guide

Undertaking a large house extension is a significant project that requires meticulous planning, a clear vision, and close collaboration with professionals. This process typically involves several key steps: initial concept development, detailed design and planning, securing necessary permits, and finally, construction.

Initial Concept and Consultation: The first step involves consulting with an architect or designer to translate your vision and needs into a preliminary design. This stage is crucial for understanding the feasibility of the extension, considering factors like space utilization, the house’s existing structure, and how the extension will integrate with it.

Detailed Design and Planning: After the initial concept is agreed upon, detailed plans are developed. These include precise drawings, specifications, and often, 3D models. This phase also involves choosing materials and finishes, ensuring that the design complies with local building codes and regulations. It’s also the time to engage with an interior designer if the project’s scope includes significant interior work.

Securing Permits: Before construction can begin, it’s necessary to obtain the appropriate building permits from local authorities. This process varies depending on the location and the project’s complexity and might involve submitting detailed plans and specifications for review.


Construction: With permits in hand, construction can commence. This stage requires hiring a general contractor or a building company experienced in large extensions. They will coordinate the different tradespeople needed—such as carpenters, electricians, and plumbers—and ensure the project stays on schedule and budget.

Project Management: Throughout the construction phase, effective project management is essential. This might be provided by the general contractor, an independent project manager, or in some cases, the homeowner themselves. Regular meetings, budget tracking, and timeline updates are crucial components of successful project management.

Quality Checks and Completion: Before the extension is considered complete, it’s important to conduct thorough quality checks. This ensures all work is up to standard, finishes are correctly applied, and any defects are rectified. Finally, obtaining a completion certificate from the local authority, if required, officially marks the project’s end.

A large house extension not only provides additional space but can also significantly increase the property’s value and improve the quality of living for its occupants. However, the success of such a project heavily relies on good design, thorough planning, and quality construction practices.