How much does a house extension cost?

Extension costs in Wellington depend on many different factors including the size and scope of your project. As a rule of thumb, same-level extensions tend to be more cost-effective than second storey additions or basement excavations. Click here to find out more details about ideas and costs for a same-level home extension. We’ve also compiled useful price guides for dormer extensions, second storey additions, loft conversions and basement conversions.

Home extensions require careful planning, so we follow a proven process – from initial briefing, concept and feasibility, working drawings and costing through to the construction stage and your finished home. We make renovating easy by having one dedicated point of contact for the entire duration of the project, and by utilising a successful project management system. We focus on great communication and customer service, and we’ll keep you informed at every step of the project.