CDA One Bed

Unit Two Development

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Exterior Rendering

$360,000 - $430,000

1 Bedroom

1 Bathroom

600 sq. ft.

Project Information

This one-bedroom ADU combines a king-sized bedroom with a cost-efficient design that delivers flexibility at a great value. Soaring ceilings and expansive windows flood the home with light, while a thoughtful layout balances openness with privacy. Features like sliding doors, dual closets, and a streamlined one-wall kitchen leave space for dining, entertaining, and even a dedicated home office area. Constructed with durable, energy-efficient materials, it offers low upkeep and long-term savings. Optional solar panels further reduce costs, and the plan is mindful of accessibility, ensuring comfort and adaptability for years to come.

ADU Type

Detached

Building Shape

Rectangular

Square Footage

600 sq. ft.

Width Maximum dimension of the building exterior

20 ft

Length Maximum dimension of the building exterior

30 ft

Building Height Maximum dimension including apex of any pitched roofs

13.25 ft

Ceiling Height Living Space

8.83 ft

Ceiling Height Bathroom

7.5 ft

Ceiling Height Sleeping Space

8.83 ft

Business Information

Business Name

Unit Two Development

Business Designation

Not Applicable

Business Location

New YorkNew York

Email

 info@unit2dev.com 

Phone Number

917 382 0559

Registered Design Professional (RDP)

Unit Two Development

Email of Registered Design Professional

chiendao@unit2dev.com

Phone Number of Registered Design Professional

Not Applicable

Estimated Cost

Estimates should be rounded to the nearest $10,000 and include building construction, architecture blueprints, engineering blueprints (if applicable), contractor coordination, and city coordination. This estimate does not include costs associated with establishing site connections or any anticipated site specific costs.

What is the current lowest total estimated construction cost of the ADU?

$360000

What is the current highest total estimated construction cost of the ADU?

$430000

Project Components

Appliances

Refrigerator

Construction Type

Stick-built

Architectural Features

Outdoor Deck

Style

Contemporary

Material and Finishes

Primary Structural System Material

Not Applicable

Facade Material

Porcelain tile panel

Kitchen Flooring

Tile

Bathroom Flooring

Tile

General Flooring

Tile

Certifications

Industry certifications such as LEED certification, Passive House Certification, and a Zero Energy Ready Home (ZERH) are acquired after building construction. By checking the boxes below, the applicant certifies to the best of their knowledge that the submitted design is compatible with the following standards:

LEED v4.1 Residential: Single Family Certification

No

Passive House Certification

No

Zero Energy Ready Home (ZERH)

Yes

ENERGY STAR (75 or higher on EPA's 1–100 scale)

No

Other

No

Accessibility

Is the ADU designed with architectural barriers such as steps at the entrance or between rooms?

No

Is the ADU designed with assistive railings (grab bars) installed in the bathroom?

Yes

Is the ADU designed to accommodate a wheelchair users?

Yes

Sustainability Features and Certifications

Criteria for energy efficient mechanical systems, building envelope, material sourcing, and material circularity are met when the ADU design exceeds sustainability standards established by New York City, federal agency, and industry standards.

For sustainable design practices, please refer to existing city guidelines and standards such as:

  • HPD Design Guidelines for New Construction
  • New York City, Environmentally Preferable Purchasing (EPP), Minimum Standards for Construction
  • Clean and Circular: Design and Construction Guidelines (NYCEDC)

Mechanical Systems and Building Envelope

Is the ADU designed to incorporate a heat pump that operates with higher-than-minimum equipment efficiencies according to HPDs Electric Heating Policy?

Yes

Is the ADU designed to incorporate drain-water or wastewater heat recovery?

Yes

Does the ADUs insulation exceed the minimum requirements for New York City Energy Conservation Code (NYCECC)?

Yes

Is the ADU designed to harvest, treat, and reuse greywater to meet a portion of the project’s non-potable water needs?

No

Is the ADU designed with windows with a U-Factor of ≤ 0.27?

Yes

Is the ADU designed with windows with a Solar Heat Gain Efficient (SHGC) of ≤ 0.4?

Yes

What is the Window to Wall Ratio (WWR) of the ADU?

Not Applicable

Material Sourcing and Circularity

Is the ADU design specified to use building materials or products have been extracted, harvested or recovered, as well as manufactured within a 500-mile radius of the project site?

Yes

If the ADU is designed to use wood as a construction material, is it designed to use wood from a sustainable forest?

Not Applicable

If the ADU is designed to use concrete as a construction material, is it designed to use low-carbon concrete?

Yes

If the ADU is designed to use steel as a construction material, is it designed to use recycled steel and/or steel from electric arc furnaces (EAFs)?

Yes

Information provided on this site is for educational purposes only and may not reflect current laws or policies. Always verify details with the NYC Department of Buildings or other New York City agencies before proceeding.

No guarantees of eligibility or approval are made.

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