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Additions

More house, without moving

Budgets from
Time on site
4 to 7 months

An addition is a small house joined to an old one. The hard part is the joint: the roof lines, the floor heights, the foundation meeting the old footing. We draw that first.

We frame with our own crew and stay on site the whole way, so the person who set your first sill plate is the one who walks you through at the end.

Free estimate
A new two-storey rear addition clad in vertical cedar boards with large black-framed windows, on an older wood-sided house in evening sun

What's included

  • Design, structural engineering and permit drawings
  • Foundation, framing, roof and windows
  • Tying the new roof and walls into the old house
  • Insulation above code, siding to match or to contrast
  • Every trade and inspection, one project lead

Good for

  • A growing family in a house they love
  • A primary suite on the ground floor
  • A second storey on a ranch house

Projects

Questions

Do we have to move out?

For a rear addition, rarely: we build it closed off and only open into the house at the end. For a second storey you'll usually move out for six to eight weeks while the roof is off.

Who does the drawings?

Our designer draws it and our structural engineer stamps it. You'll see it in 3D before we price it.

Ask Halvorsen's helper

Questions about projects, costs, permits and timing

Hi! Ask me what a kitchen or an addition usually costs, how long it takes, which towns we build in or how permits work. To start, call (719) 555-0136 or ask for a free estimate on the contact page.

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