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Residential renovation and addition design
Service / plans for a home addition

Home Addition Plans & Extension Drawings

Connect the new space to the existing home before construction begins.

Coastal cottage exterior illustrating existing-building character
Source / Existing home · Concept study
What this solves

Clear scope.
Useful output.

A home addition is not only an extra room.

Homeowners planning a bedroom, family-room, kitchen, garage, second-story or rear addition and builders who need a clear architectural base for residential coordination.

Full service overview and audience

A home addition is not only an extra room. It changes circulation, structure, roof form, daylight, exterior appearance and the relationship between existing and proposed work. Artimist develops the layout and coordinated architectural drawings needed to understand the addition, review it with local professionals and move toward permit or construction documentation.

Homeowners planning a bedroom, family-room, kitchen, garage, second-story or rear addition and builders who need a clear architectural base for residential coordination.

Coastal cottage exterior illustrating existing-building character
01 / Source / Existing home · Concept study
Townhouse section showing the junction with a rear extension
02 / Drawing / Extension section · Concept study
Rear extension design developed for a residential property
03 / Design / Extension · Concept study
Resolved residential addition and renovation
04 / Outcome / New space
Working standard

ScopeAgreed before production

ReviewsMilestones and revisions defined

HandoverFormats listed in writing

Local approvalsLicensed stamps stay local

Read full client terms
Problems we solve

Where we become useful.

  • The required extra space is clear but its relationship to the existing floor plan is not.
  • A concept sketch needs to become existing and proposed architectural drawings.
  • The addition affects roof, structure, openings or exterior character and needs coordinated review.
Townhouse section showing the junction with a rear extensionExisting / addition plan / resolved home
Scope / outputs

What can be included.

01Existing-condition plans
02Proposed addition plans
03Room and circulation planning
04Exterior elevations
05Building sections
06Roof-form coordination
07Permit-documentation support
08Optional exterior and interior 3D views
You can send
  • Survey or measured drawings
  • Existing plans
  • Site photographs
  • Room requirements
  • Jurisdiction and property information
You can receive
  • Existing and proposed drawing package
  • PDF issue set
  • DWG or Revit files where included
Working route

How the project moves.

Selected visuals illustrate the stages; they are not a single-project before-and-after sequence. Concept studies are not issued construction documents.

Coastal cottage exterior reference study01

Understand the existing house

We begin from reliable existing information and identify the structural, dimensional, access and planning constraints that shape the addition.

Townhouse and rear extension section study02

Develop the addition

Layout, circulation, openings, roof and exterior form are developed together so the new space does not solve one problem while creating another.

Resolved addition design03

Coordinate the drawing package

The agreed plans, elevations and sections are prepared for their stated review purpose and coordinated with the locally required professionals or consultants.

Software / capabilities
AutoCADAutodesk RevitSketchUp3ds Max
Related projects

Explore the work in context.

Before we start

Useful answers.

Can you design a second-story addition?

Yes, subject to reliable existing information and coordination with the locally required structural and licensed professionals.

Do you measure the existing house?

The scope can begin from a survey or measurements provided by the client or local surveyor. Remote delivery does not replace any field verification required for reliable construction information.

Are the drawings automatically permit-ready?

No. Permit requirements differ by location. The exact documentation, consultant and licensed-professional responsibilities are confirmed for the project before the package is represented for submission.

Can you show the addition in 3D?

Yes. Exterior and interior views can be included so massing, roof, materials and the connection to the existing home can be reviewed before documentation is finalized.

Your project / next step

Send what you have.
We’ll find the next move.

A plan, model, survey or rough brief is enough to begin.

ARTIMIST / INTERACTIVE STUDIO

Your project.
Every angle.

See and interact with your model through our site.

Choose a project, rotate it and zoom into the details. Explore architecture, interiors and product models directly in your browser.

EXPLORE THE INTERACTIVE STUDIO

13 PROJECT PREVIEWS · ROTATE · ZOOM · EXPLORE

Revised Bettina bathroom with blue walls, a white vanity and chrome fittingsFROM PRESENTATION TO EXPLORATION

Working standard

Clear before commitment.

Scope, confidentiality and handover are agreed in writing. Project-specific signed terms always take priority.

01

Scope first

Deliverables, timing, revisions and fees are agreed before production.

02

Confidential when needed

NDA-based workflows are available before sensitive files are shared.

03

Defined handover

Final PDFs, DWGs, RVTs, images, films or source files follow the written scope.

04

Honest local boundary

Required stamps, seals and statutory certification stay with the appropriately licensed local professional.

Permit-support may include package preparation, coordination and submission support when agreed. Artimist does not supply a regional architectural or engineering stamp; any legally required stamp, seal or certification must come from the appropriately licensed local professional. Read full client terms →