171DU Dual Key House Plan | Narrow Lot Dual Living Design | 4 Bed | 2 Bath

171DU Dual Key House Plan | Narrow Lot Dual Living Design | 4 Bed | 2 Bath

Modern Dual Key House Plan for Narrow Blocks

The 171DU Dual Key House Plan is a smart dual-living design created specifically for narrow land and investment-focused developments. Featuring two completely separate residences under one roof, this design offers flexibility for extended families, rental income, or dual occupancy living.

With separate entrances, private living spaces, independent kitchens, and individual garages, this practical layout provides privacy while maximizing the value of a compact block.

Ideal for investors, multi-generational families, or homeowners looking to live in one residence while renting the other.

Complete Construction Plans & Working Drawings Package – Ready for Building Approval

Free Custom Modifications to Suit Your Land and Lifestyle

 Please Note: After purchase, we will contact you to obtain your building site address and confirm any modifications or custom changes required before we commence and complete your plans.

Home Features

✅ Dual Key House Design

✅ 4 Bedrooms

✅ 2 Bathrooms

✅ 2 Separate Kitchens

✅ 2 Large Living Areas

✅ Separate Private Entrances

✅ Narrow Lot Design

✅ 2 Garages

✅ Ideal for Rental Income or Multi-Generational Living

Metric Areas

Unit 1

• Living Area: 90.74 m²
• Garage: 21.19 m²

Unit 2

• Living Area: 39.75 m²
• Garage: 18.63 m²

Total Building Area

170.31 m²

Imperial Areas

Unit 1

• Living Area: 976 Sq Ft
• Garage: 226 Sq Ft

Unit 2

• Living Area: 419 Sq Ft
• Garage: 204 Sq Ft

Total Building Area

1,833 Sq Ft

Building Dimensions

Metric

• Width: 6.5 m
• Length: 24.8 m

Feet & Inches

• Width: 24' 6"
• Length: 81' 8"

Perfect For

• Narrow Lot Developments
• Property Investors
• Dual Occupancy Housing
• Rental Income Opportunities
• Multi-Generational Living
• First Home Buyers Seeking Extra Income
• Granny Flat Alternative

Plan Summary

Plan: 171DU
Style: Dual Key House Plan
Bedrooms: 4
Bathrooms: 2
Kitchens: 2
Living Areas: 2
Garages: 2
Total Area: 170.31 m² | 1,833 Sq Ft

A clever narrow-lot dual key design that combines flexibility, privacy, and investment potential in one efficient floor plan.

What's Included in Your Construction Plans / Working Drawings Package

Your professionally prepared Construction Plans (Working Drawings) package includes:

✓ Dimensioned Floor Plans
✓ Exterior Elevations (All Sides)
✓ Building Sections and Construction Details
✓ Roof Plan
✓ Door and Window Schedules
✓ Electrical Layout Plan
✓ Lighting and Power Point Locations
✓ Internal Room Dimensions and Areas
✓ Building Notes and Specifications
✓ Structural Bracing and Tie-Down Details
✓ Footing and Foundation Design (site-specific soil test required)
✓ Licensed Structural Engineering Documentation
✓ 3D Colour Perspectives / Facade Images
✓ Site-Specific Modifications to Suit Your Land and Requirements
✓ PDF Digital Delivery

Please Note:

• Final footing and slab designs require a site-specific soil test.
• We will contact you after purchase to obtain your building site address and discuss any required modifications.
• Additional council requirements may vary depending on your local authority and building location.

Structural Engineering Included

All plans in this package include structural engineering prepared by a licensed professional engineer.

Please note that final footing and slab designs are specific to your site conditions and require a soil test for the property where you intend to build. Once you provide the building site address, we can assist with obtaining soil test pricing and arranging this service on your behalf.