Modern 16×20 Rear Addition

$249

A clean one-story rear expansion designed to open up living and dining areas. Includes gable roof concept, flexible layout options, and a full drawing set ready for local adaptation.

Purchase Package

Project Specs

320 sq ft
One-story rear addition
Open living/dining expansion
Gable roof concept
Designed as a customizable starting point

What's included

File formats

PDFDWGSKPRenderings

Drawing list

Floor plan
Exterior elevations (4)
Building section
Roof plan
Foundation concept
Door & window schedule
Material notes

Design assumptions

Existing structure is wood-framed and in good condition
Addition connects at rear wall; existing conditions to be verified on site
Standard residential ceiling heights (9′)
Local code requirements to be confirmed by licensed professional

Ideal use cases

Homeowners expanding living space without a full remodel
Architects seeking a vetted starting layout
Builders presenting options to clients

Required next steps

1Verify existing conditions
2Adapt to local code
3Coordinate structure/foundation
4Review with licensed professional
5Submit final stamped drawings if required

Design packages are architect-ready starting points. Final plans must be reviewed, modified, and approved by a licensed architect, engineer, or qualified professional as required by local jurisdiction before permitting or construction.