Australian Floor Plans

Modern 4 Bedroom Duplex House Plans – Design 203 DU Enviro

Name: Modern 4 Bedroom Duplex House Plans – Design 203 DU Enviro
Brand: Australian Floor Plans
Price: 99.50 AUD
Availability: InStock

$99.50 AUD

Sale Sold out

Taxes included.

2 Separate 2-Bedroom Residences | 2 Garages | 203.6 m² (2,192 sq ft) | Narrow Lot Design

Looking for affordable duplex house plans that make efficient use of a narrow block of land?

Discover Design 203 DU Enviro, a modern single-storey duplex house design featuring two separate 2-bedroom residences, each with its own garage, kitchen, bathroom and living areas.

With an overall building width of just 7.68 metres (25 ft 2 in), this practical dual occupancy design is worth considering for property investors, homeowners, extended families and builders exploring narrow lot development opportunities.

Purchase the digital concept plans to review the layout, discuss your project with a builder and obtain preliminary building estimates before investing in full construction drawings.

Key Duplex Design Features

4 Bedrooms Total – Two bedrooms in each residence
2 Separate Residences – Independent accommodation for each household
2 Single Garages – One garage per unit
2 Kitchens – Separate kitchen facilities
2 Bathrooms – One bathroom per unit
2 Living Areas Per Unit – Flexible spaces for everyday living
Built-In Bedroom Robes – Practical wardrobe storage
Single-Storey Layout – Convenient ground-level accommodation
Modern Exterior Design – Contemporary roofline and facade
Narrow Building Width – Only 7.68 metres overall

Building Dimensions and Floor Areas

Total Building Area: 203.6 m² (2,192 sq ft)

Overall Width: 7.68 m (25 ft 2 in)

Overall Length: 27.64 m (90 ft 8 in)

Unit 1 – 2 Bedroom Residence

Living Area: 82.5 m² (888 sq ft)
Garage: 22.2 m² (239 sq ft)
Total Area: 104.7 m² (1,127 sq ft)

Unit 2 – 2 Bedroom Residence

Living Area: 75.9 m² (817 sq ft)
Garage: 23.0 m² (247 sq ft)
Total Area: 101.9 m² (1,097 sq ft)

Building dimensions do not represent minimum lot dimensions. Site suitability, access and setbacks must be confirmed locally.

What's Included in Your Digital Concept Plan Package?

Your purchase includes the following preliminary house design documentation:

1. Dimensioned Floor Plan

A detailed floor plan showing the two duplex units, room arrangements, dimensions, garages, kitchens, bathrooms and living spaces.

2. Exterior Elevation Plans

Front, rear and side elevations showing the proposed building appearance, roofline, windows and external doors.

3. Building Cross-Section

Section A–A showing the general building structure, roof configuration and ceiling heights.

4. Window and Door Schedules

Proposed window and door sizes, quantities and descriptions.

5. Building Notes

General construction and design notes included with the drawing sheets.

6. 3D Exterior Images

Professional exterior illustrations showing the contemporary duplex appearance.

7. Illustrated Floor Plans

Coloured floor plan presentations to help you visualise the internal layout.

8. Metric and Imperial Measurements

Plan information presented in metric and imperial measurements for easier reference.

9. Copyright Release

Permission to use the purchased design for one construction project, subject to the applicable licence conditions.

10. Construction Plan Upgrade Information

Details about the option to upgrade to full construction drawings for eligible locations.

Why Start With Concept House Plans?

Plan Your Build With Confidence Before Investing in Construction Plans.

Our affordable concept house plans are designed to help you make informed decisions during the early planning stages.

Use your plans to:

Review the design and internal layout
Discuss construction options with your preferred builder
Obtain preliminary building cost estimates
Compare possible construction approaches
Consider design modifications
Explore potential dual occupancy arrangements
Plan your next steps towards full construction documentation

Who Is This Duplex Design Suitable For?

Design 203 DU Enviro may appeal to:

Property investors considering two rental residences
Families planning separate accommodation under one roof
Homeowners exploring dual occupancy development
Buyers looking for narrow lot duplex house plans
Builders seeking practical duplex concept designs
Developers investigating small residential projects

Local planning rules will determine whether duplex development is permitted on your property.

Custom Design Modifications Available

Need to adjust the design to suit your requirements?

We can assist with:

Floor plan modifications
Bedroom and living area changes
Kitchen and bathroom alterations
Door and window repositioning
Mirror-image floor plans
Exterior facade modifications
Custom duplex house designs

Please contact us for a quotation before ordering modifications.

Upgrade to Full Construction Plans

When you're ready to progress beyond the concept stage, ask about our Full Construction Plans Upgrade Service.

Depending on your project and location, additional drawings, engineering, certification and other documentation may be required.

Full construction drawing services are available for eligible projects and locations.

Important Information Before Purchasing

This is a digital concept house plan package, not a complete construction-ready drawing set.

The plans are suitable for preliminary design discussions and initial building cost planning.

They are not supplied as approved building permit drawings.

Before building, you may require site-specific engineering, a contour survey, soil testing, energy assessments, local authority approvals and other documentation.

Please check the design's suitability for your property and local building regulations before purchasing.

Digital Download Only – No Physical Product Will Be Shipped.