Home project service

Home additions

An addition touches the existing house as much as the new square footage. Start with the daily problem it solves and the systems it must connect to.

What is home additions? An addition touches the existing house as much as the new square footage. Start with the daily problem it solves and the systems it must connect to.

What to settle before work begins

  • space-needs and adjacency planning
  • existing-home connection questions
  • early budget and approval questions

Decision point

Ask how the addition meets the existing roofline, foundation, HVAC, plumbing, and electrical systems. The connection is often the difficult part.

A better first conversation

Bring the condition of the room into the scope.

Take photos from the doorway and close-ups of the part that concerns you. Note measurements you know, what changed recently, and which parts of the room must stay in use. Ask for the work sequence, the information still needed, and what could change the scope.

For systems, structure, plumbing, electrical, ventilation, or permit questions, confirm the responsible professional and project-specific requirements before work begins.

Read the related planning guide →

Related work

Explore connected project needs.

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A useful next step

Discuss your home additions project

Bring photos, rough dimensions, and the problem you want to solve. If you are still deciding, start with a planning guide.