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Building services

Home additions

Add the space you need with a design that considers how the new rooms connect to the home you already have. Define room sizes, access, and connections to the existing home. Review the scope and the key decisions below.

Estimate thisPlan a budget
A completed family room with vaulted ceiling, oak built-ins, and tall garden-facing windows.
A bright vaulted family room with oak built-ins and a view into the garden. Illustrative project image.

Includes

What it includes

Numbered the way the scope is written.

  1. Define room sizes, access, and connections to the existing home
  2. Coordinate design, engineering, and site requirements
  3. Review foundation, structure, and exterior finishes
  4. Plan utilities, construction access, and household disruption

Does not

What it does not include

Said up front so the number does not grow on the job.

  1. Work outside the agreed written scope is priced separately.
  2. Specialist investigation, concealed repairs, and related finish work must be identified before they are included.

Pricing

How it is priced

Use the following figures to explore a sample budget. Actual pricing requires a site assessment and a written scope; these are not local market quotes.

  1. Fixed-price scopeIllustrative planning range. Confirm the complete scope with a qualified local contractor.the number on the contract
  2. AllowancesIllustrative planning range. Confirm the complete scope with a qualified local contractor.a dollar figure per line
  3. Planning range, mid tierIllustrative planning range. Confirm the complete scope with a qualified local contractor.$250 to $450 per sq ft
  4. Change ordersIllustrative planning range. Confirm the complete scope with a qualified local contractor.written, priced, signed

Ranges for planning. The written estimate after the site walk is what counts.

Decisions

What you decide, and when

Each one has a due week on the schedule. Late decisions move the schedule; we say so the day it happens.

Project priorities
Define room sizes, access, and connections to the existing home
Before work begins
Scope and selections
Coordinate design, engineering, and site requirements
Before work begins
Scheduling and access
Review foundation, structure, and exterior finishes
Before work begins

Expect

What to expect on site

  1. Review the work areas, access needs, and likely disruption before scheduling.
  2. Confirm material availability and any inspections that affect the sequence.
  3. Agree how progress, questions, and changes will be communicated.
  4. Review completed work against the scope and retain the relevant care information.

Questions

What people ask first

Where should planning a home addition begin?
Begin with your space needs, property constraints, and budget. A feasibility review should consider setbacks, site access, structure, utilities, and local approval requirements before detailed design progresses.
How is home additions priced?
The estimate depends on the project size, existing conditions, access, materials, and work included. Any figures shown here are demonstration planning examples, not a contractor quote.
What happens if the scope changes?
The proposed change should explain the additional or omitted work, price, and schedule effect so it can be reviewed before proceeding.

Discuss your residential construction project

Share the scope, your priorities, and the timing you have in mind. This inquiry form is part of the 3Fold Labs website demonstration.

Estimate thisor call (555) 012-3456 (demo line)
Call demo lineProject inquiry