The Cottage I & II

300 sqft of Classic Charm

Choose Your Package:

Steel Frame Package

DIY-friendly structural kit

Actual Structural Engineered Stamped Plans to Turn into Building Dept. (Not just shop drawings)
Complete Steel Frame Kit with OSB Attached Already and Holddowns
Just Erect and Bolt Together
Trusses and Roof Included

Turnkey Delivery

Complete move-in ready home

Everything in Steel Frame Package
Complete Home Kit Ready To Move In!
Just Erect and Bolt Together, Slide in Doors and Windows, Add Siding, etc.

Start Your FREE Consultation!

Product Description

The Cottages ADU is a 300-square-foot home designed with timeless appeal and modern efficiency. Its gable roofline, inviting front porch, and optional stone or stucco façade create a warm and welcoming space. Perfect as a backyard guest house, rental unit, or personal retreat, The Cottages combine compact design with the unmatched durability of steel-frame construction.

Two design variations - Cottages I & II offer choice within same footprint
Classic gable architecture - Traditional residential appeal
Full kitchen & bathroom - Complete living capabilities at 300 sq ft
Rental-ready size - Popular square footage for ADU rentals
Multiple façade options - Stone, stucco, or siding flexibility

Specifications

Size Details

Cottage I - stone/brick accents
Cottage II - board-and-batten
Gable roof design
15 ft x 20 ft (approx.)
300 square feet

Design Features

Classic gable roofline for timeless appeal
Compact footprint ideal for backyard ADU, guest house, office, or studio
Covered front porch for relaxation and curb appeal
Optional stone, stucco, or siding finishes to match your property's style
Large front window for natural light and an airy interior
Flexible open floor plan that adapts to living, work, or leisure use

What's Included in Steel Frame Package

Precision-engineered 2x6 cold-formed steel framing for walls, roof, and floor system
Pre-cut, pre-drilled members for simplified assembly
Engineered roof system designed for long-term strength and stability
OSB sheathing pre-attached for structural rigidity and easier finishing
Engineered drawings included, stamped and tailored to your specific building jurisdiction requirements

Turnkey Inclusions

Full steel frame with weatherproof exterior envelope
Siding options: stone, Hardie Plank®, stucco, or board-and-batten
Roofing system with underlayment and shingles or standing seam metal roofing
Energy-efficient double-pane windows and entry doors
Complete insulation package (R-28 or better)
Interior finishes: drywall, paint, flooring, and trim
Kitchen with cabinetry, countertops, sink, faucet, and appliance-ready hookups
Bathroom with vanity, toilet, shower/tub, and fixtures
Complete MEP systems: plumbing, electrical, HVAC, and water heater
Exterior lighting and architectural detailing for a classic cottage look

Keep Looking

Similar plans

Proof In Practice

Owners who stopped compromising.

We needed extra space for our growing family and a quiet area for remote work. TruHaven ADU provided us with a beautiful, functional addition that perfectly meets both our needs. It’s been a game-changer for our household!

John Clark TruHaven Owner

Adding a TruHaven ADU to our property was one of the best investments we’ve made. It not only provides us with extra living space but also increased our home’s value. Knowing that it offers flexibility for our future plans gives us great peace of mind.

Elizabeth Johnson TruHaven Owner

We were looking for a durable and low-maintenance solution for our backyard. TruHaven ADU exceeded our expectations with its sturdy construction and minimal upkeep. It’s reassuring to know that our new space will last for many years without any issues.

Michael Wim TruHaven Owner