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The cost of a house extension varies widely based on factors like size, location, materials, and complexity. On average, it can range from $20,000 to $100,000 or more.

In many cases, you'll need planning permission, especially for significant extensions or in conservation areas. However, some smaller projects may fall under permitted development rights.

The duration depends on the scope of the project. Small extensions may take a few months, while larger, more complex ones can take six months or longer.

Yes, you can usually live in your home during an extension, but it may be noisy and disruptive. Many people choose to move out temporarily for their comfort and safety during construction.

House extensions come in various forms like rear extensions, side returns, double-storey builds, and even loft or garage conversions—each tailored to suit your space, budget, and lifestyle needs.

Yes, a well-planned and quality-built extension can significantly increase your home's market value, especially when adding extra bedrooms, living space, or modern features.

Always check for licensed professionals with experience in extensions. Look at past work, reviews, and credentials—platforms like ServiceTasker make it easy to compare and connect with trusted local experts.

An extension adds new space to your home (like a room or floor), while a renovation updates existing areas. Extensions usually involve structural changes and require permits.

Depending on the extension plan, you may need to move plumbing, gas lines, or electrical wiring. A professional builder will assess this during the planning stage.

Costs can vary based on size, materials, labour, design complexity, and whether major plumbing or electrical work is needed.