What are the typical costs associated with adding a second-story addition?

The costs associated with adding a second-story addition vary depending on factors such as the size of the addition, materials used, labor costs, and location. On average, homeowners can expect to invest between $100,000 to $300,000 or more for such a project.

What structural considerations need to be taken into account when adding a second story to an existing home?

Adding a second story requires careful consideration of structural elements to ensure safety and stability. Factors such as load-bearing walls, foundation reinforcement, and support beams must be evaluated by a structural engineer to meet building code requirements.

How does the addition of a second story affect the overall property value and resale potential?

Adding a second story can significantly increase the overall property value and resale potential. Homes with additional living space are often highly desirable to buyers and may command higher prices in the real estate market.

What permits and zoning regulations are required for adding a second story?

Obtaining permits and adhering to zoning regulations are crucial steps in adding a second story. Homeowners must obtain the necessary permits from the local building department and ensure compliance with zoning ordinances, setback requirements, and height restrictions.

Elevate & Innovate

Pop-TopRenovation

Feb 3

Written By Rachel Nagy

A41 | Project Summary

For a growing family in Denver with two remote-working parents, this thoughtfully designed pop-top addition by NAGY Design transformed their single-story home into a functional and stylish two-story retreat. Staying true to the home's original footprint, we expanded upward to add two secondary bedrooms and a shared full bathroom, creating dedicated spaces for the children.

The new primary suite offers a luxurious five-piece bath, a walk-in closet, a private office, and direct access to a covered second-floor balcony—a peaceful retreat with views of the surrounding neighborhood.

On the main level, we reimagined the existing layout to better support daily living. A former bedroom was converted into a light-filled home office, while the living room was opened up to foster a more connected, family-friendly atmosphere. A convenient powder room replaced the original bathroom, and the laundry area was thoughtfully relocated to the main level for improved functionality.

This pop-top renovation perfectly balances the needs of modern family life and remote work, offering elevated comfort, increased livable space, and a cohesive architectural design that enhances both everyday routines and long-term flexibility.

2003 SF

Olde Town, Arvada

Hug Home Enterprises

Coming Soon

Front view of a completed two-story pop-top home renovation in Denver by NAGY Design, featuring a second-floor balcony and updated front porch.

POP-TOP | RENOVATION

Signature Design Process

- Site analysis
- Existing conditions
- Budgeting
- Code review
- Contractor interviews negotiation
- Basic design concept generation
- 1-2 Iterations on a theme design evolution
- Plan approval to move forward to construction documents
- Detailed drawings
- 1 Major edit allowed
- Finish selection
- Permit comments
- Minimum of 3-5 site visits during construction
- Ensure the follow-through of the original design intent

Architectural rendering of a pop-top addition by NAGY Design in Denver, featuring upper-level balcony, home office, and expanded family living space.

Original floor plan of the Denver home before NAGY Design’s pop-top renovation, showing a segmented main level with three bedrooms and one bathroom. — Original Floor Plan

Updated first-floor plan of the Denver home after NAGY Design’s pop-top renovation, featuring an open-concept living area, powder room, home office, and relocated laundry. — Updated First Floor Plan

Second-floor layout added through NAGY Design’s pop-top renovation in Denver, featuring a main suite with balcony, two bedrooms, and shared full bath. — Second Story Addition Floor Plan

Architectural Services

Partial Main Level Reconfiguration

(2) Work From Home Offices

Front Porch Upgrade & Main Bedroom Balcony Addition

(2) Secondary Bedrooms Up

Main Suite with 5-piece Bath

Expanded Living and Entry

Exterior view of the original single-story home in Denver before NAGY Design’s pop-top renovation and second-story addition. — Before Photo

Exterior construction progress of a Denver home during NAGY Design’s pop-top renovation, showing the new second-story framing in progress. — Construction Process

Two-story home with modern pop-top addition and upper-level balcony, designed by NAGY Design in Denver for a growing family needing remote work and family living functionality. — After Coming Soon

POP-TOP | RENOVATION

Common Questions

The costs associated with adding a second-story addition vary depending on factors such as the size of the addition, materials used, labor costs, and location. On average, homeowners can expect to invest between $100,000 to $300,000 or more for such a project.
Adding a second story requires careful consideration of structural elements to ensure safety and stability. Factors such as load-bearing walls, foundation reinforcement, and support beams must be evaluated by a structural engineer to meet building code requirements.
Adding a second story can significantly increase the overall property value and resale potential. Homes with additional living space are often highly desirable to buyers and may command higher prices in the real estate market.
Obtaining permits and adhering to zoning regulations are crucial steps in adding a second story. Homeowners must obtain the necessary permits from the local building department and ensure compliance with zoning ordinances, setback requirements, and height restrictions.