9 Min Read
A large-scale renovation is a significant investment in how your home looks, feels, and functions.
Whether you are reworking your layout, adding space for a family, or building upward with a pop-top, the goal is the same: to create a home that better fits your life.
Of course, one of the first questions that comes with that decision is cost.
While every project is different, most large-scale renovations in Denver fall between $300,000 and $3,000,000+, depending on the level of customization, structural complexity, and the condition of the existing home.
These projects typically include whole home remodels, additions, and second-story pop-tops. Each requires thoughtful planning, design, and execution to get right.
Below, we break down what that investment looks like depending on the type of project and what you can expect at each level.
- Whole Home Remodels
- Additions
- Pop-Tops (Second-Story Additions)
- What This Means for Your Project
- What Impacts the Cost of a Large-Scale Renovation in Denver?
- Denver-Specific Considerations
- What Homeowners Often Underestimate
- How to Plan Your Large-Scale Renovation Budget the Right Way
- Is a Large-Scale Renovation Worth It?
- Frequently Asked Questions About Large-Scale Renovations in Denver
- Start Your Renovation with a Conversation
Whole Home Remodels
Typical Cost: $300,000 – $1,500,000+
A whole home remodel is a comprehensive update to your existing home. Rather than updating one space at a time, this approach allows you to create a cohesive design and improve how your entire home functions.
Whole Home Remodels Often Include:
- Kitchen and bathroom renovations
- Updated flooring, finishes, and fixtures throughout
- Layout changes to improve flow and usability
- Structural modifications such as removing walls or opening spaces
Why Homeowners Choose a Whole Home Remodel
Many homeowners in Denver pursue a full renovation when their home no longer fits their lifestyle, even though they love the location.
This is especially common in established neighborhoods where homes have strong character but outdated layouts. Instead of moving, many homeowners choose to improve the space they already have so it better supports their day-to-day life.
A whole home remodel also allows for better long-term planning. Rather than completing projects in phases, everything is designed and built together, which leads to a more cohesive result and often a better overall investment.
What Impacts Cost Most
The biggest cost drivers for whole home remodels are the scope of work and level of finish.
A lighter renovation focused on updating surfaces will fall toward the lower end of the range. A fully custom renovation that includes structural changes, high-end materials, and detailed design work can quickly exceed $1 million.
Additions (Expanding Your Home)
Typical Cost: $300,000 – $1,500,000+
When your home no longer has the space you need, an addition can create more room while allowing you to stay in a location you already value.
Additions Typically Include:
- New bedrooms or primary suites
- Expanded kitchens or living areas
- Attached garages or bonus rooms
- Multi-room expansions
Why Homeowners Choose an Addition
In many Denver-area neighborhoods, homeowners choose additions because they like where they live but need the home itself to function better.
What Impacts the Cost of Additions
Additions are more complex than they initially appear because they require building new structure while tying into the existing home.
Key cost factors include foundation work, structural integration, and the level of finish throughout the new space. Matching the existing home in both design and materials can also add complexity and cost.
Pop-Tops (Second-Story Additions)
Typical Cost: $500,000 – $3,000,000+
Pop-tops, or second-story additions, are one of the most effective ways to add significant square footage in Denver, especially in areas where expanding outward is not possible.
Pop-Tops Often Include:
- Removal of the existing roof
- Structural reinforcement of the home and foundation
- Construction of a full second story
Why Homeowners Choose a Pop-Top
Pop-tops are ideal for homeowners who want to maximize their space without increasing their home’s footprint.
This approach is especially popular in neighborhoods with smaller lots, where expanding outward is limited. It allows homeowners to dramatically increase square footage while maintaining the location and lot they value.
What Impacts Cost Most
Pop-tops are often one of the most complex types of renovation because they involve significant structural planning and construction.
Structural upgrades, engineering requirements, and the need to integrate new construction with the existing home all contribute to higher costs. These projects require careful planning, clear communication, and experienced execution from the earliest stages.
What This Means for Your Project
These ranges provide a helpful starting point, but every home and every project is different.
Two homes of the same size can have vastly different costs depending on:
- The level of customization
- Structural complexity
- Existing conditions of the home
- Design choices and finishes
Understanding what drives those differences helps you plan with more clarity from the start.
In the next section, we’ll break down exactly what factors influence the cost of a large-scale renovation so you can better understand where your project might fall.
What Impacts the Cost of a Large-Scale Renovation in Denver?
Once you understand the general price ranges, the next step is to understand what actually drives those costs.
Two projects with similar square footage can vary significantly in price depending on a number of factors. Below are the key elements that influence where your project will fall within the overall range.
1. Size and Scope of the Project
The most obvious factor is the overall size of the renovation, but just as important is the scope of work involved.
A project that updates finishes across an entire home will be very different from one that includes:
- Reconfiguring layouts
- Moving walls
- Adding square footage
The more areas of the home you touch and the more changes you make to the structure, the more the cost increases.
2. Structural Complexity
Structural work is one of the biggest cost drivers in any large-scale renovation.
This includes:
- Removing load-bearing walls
- Reinforcing framing
- Foundation upgrades
- Engineering requirements
For example, a pop-top requires significant structural planning to ensure the existing home can support a second story. Even in a whole home remodel, opening up spaces or changing layouts can introduce structural complexity.
These types of changes add both labor and engineering costs, but they are often what make the biggest impact on how a home feels and functions.
3. Design Level and Finishes
The level of design and materials selected plays a major role in the overall investment.
There is a wide range between standard or builder-grade finishes and fully custom, high-end selections.
Key elements that influence cost include:
- Cabinetry and millwork
- Appliances
- Flooring materials
- Plumbing and lighting fixtures
- Custom details and built-ins
Homes with more custom design elements and higher-end materials will naturally fall toward the upper end of the cost range.
4. Existing Home Conditions
In many Denver neighborhoods, homes were built decades ago. While they often have great character, they can also come with hidden challenges.
Common issues include:
- Outdated electrical systems
- Aging plumbing
- Structural wear over time
Once construction begins, these conditions may need to be addressed to bring the home up to current standards.
Talking through these possibilities early helps set realistic expectations and gives your team a clearer path forward.
5. Permitting and Local Regulations
Every large-scale renovation in Denver requires permits and inspections, and these can impact both cost and timeline.
Depending on the project, this may include:
- City permitting fees
- Architectural and engineering plans
- Multiple inspections throughout construction
In areas like Denver and Boulder, permitting requirements can be more involved, especially for additions and pop-tops.
Working with a team that understands local requirements can help make this phase more organized and predictable.
6. Labor and Material Costs in the Denver Market
Denver continues to see strong demand for high-quality construction, which impacts both labor availability and material pricing.
Factors that influence cost include:
- Demand for skilled trades
- Availability of materials
- Market conditions at the time of construction
Because of this, costs can fluctuate over time, and planning ahead becomes even more important for larger projects.
Denver-Specific Considerations
Beyond general construction factors, there are a few things unique to the Denver area that can influence renovation costs.
Many of the neighborhoods we work in, such as Cherry Creek, Castle Pines, and Boulder, feature older homes with strong character. These homes can be great candidates for renovation, but they often require thoughtful planning, especially when updates are needed behind the walls.
Lot sizes in certain areas can also limit the ability to expand outward. This is one reason pop-tops have become so popular. They allow homeowners to increase square footage without changing the footprint of the home.
Additionally, Colorado’s climate can impact construction schedules. Weather conditions and seasonal changes can influence timelines, especially for projects involving structural work or exterior construction.
What Homeowners Often Underestimate
One of the most important parts of planning a large-scale renovation is understanding what goes beyond the construction itself.
Design and Planning
Before construction begins, there is a significant amount of work that goes into designing the project.
This includes:
- Layout planning
- Material selections
- Architectural and engineering drawings
Investing time in the design phase leads to better outcomes and fewer surprises during construction.
Timeline Expectations
Large-scale renovations take time. Depending on the scope, projects can span several months or longer. Planning for this upfront helps set realistic expectations and reduces stress during the process.
Living Arrangements During Construction
For many homeowners, staying in the home during a major renovation is not practical.
Temporary living arrangements may be necessary, especially for whole home remodels or pop-tops where large portions of the home are under construction.
Decision Making
With a project of this size, there are many decisions to make. From finishes to layouts to fixtures, having a clear plan and guidance from an experienced team can make the process much more manageable.
How to Plan Your Large-Scale Renovation Budget the Right Way
Once you have a general understanding of costs, the next step is building a budget that aligns with your goals. The most successful projects start with clarity, not just around numbers, but around priorities.
Start With Your Goals, Not Just a Number
Instead of starting only with a number, it is more helpful to first clarify:
- What do you want your home to feel like?
- How do you want it to function differently?
- What problems are you trying to solve?
From there, your team can help align your goals with a realistic investment range.
Define Priorities Early
Not every element of a project carries the same weight. Identifying your must-haves versus nice-to-haves early on helps guide decisions and ensures your budget is allocated where it matters most.
This is especially important in large-scale renovations where small upgrades across multiple areas can add up quickly.
Plan for a Contingency
With any renovation, especially in older homes, there is always the potential for unknowns. A typical recommendation is to set aside 10–20% of your budget for contingencies. This helps ensure that if something unexpected comes up, it does not derail your project.
Work With a Qualified Design-Build Team Early
Bringing in the right team early in the process can make a significant difference in both cost control and overall experience.
A design-build approach allows your builder and designer to collaborate from the beginning, helping to:
- Align design decisions with budget
- Identify potential challenges early
- Create a more streamlined and predictable process
When considering which team to work with, ask to see past projects, talk through their process, and make sure their communication style feels like a good fit.
Is a Large-Scale Renovation Worth It?
For many homeowners in Denver, the decision often comes down to whether it makes more sense to renovate or move.
With rising home prices and limited inventory in many neighborhoods, renovating often allows you to stay in a location you already love while creating a home that truly fits your lifestyle.
A well-planned renovation can:
- Improve how your home functions day to day
- Increase long-term property value
- Eliminate the need to compromise on layout or design
For homeowners planning to stay long-term, the investment often goes beyond financial return. It is about creating a space that works better for your life.
Frequently Asked Questions About Large-Scale Renovations in Denver
How much does a full home renovation cost in Denver?
Most large-scale home renovations in Denver range from $300,000 to $1,500,000+, depending on the size of the home, the level of customization, and the amount of structural work involved. High-end renovations with extensive changes can exceed this range.
What is the average cost of a pop-top in Denver?
Pop-top projects typically range from $500,000 to $3,000,000+. Because they involve removing the roof, reinforcing the structure, and building an entirely new level, they are one of the most complex and investment-heavy renovation types.
Is it cheaper to renovate or build a new home in Denver?
It depends on the home and the scope of the project. In many cases, renovating can be more cost-effective, especially if you already own a home in a desirable neighborhood. However, for extensive structural changes, costs can approach those of new construction. The right choice depends on your goals, lot, and long-term plans.
How long does a large-scale renovation typically take?
Timelines vary based on complexity, but most large-scale renovations take several months to over a year. Projects like whole home remodels or pop-tops require significant planning, permitting, and construction time.
Do I need to move out during a major renovation?
In many cases, yes. For whole home remodels and pop-tops, large portions of the home are under construction, making it difficult or impractical to live in the space. Planning for temporary housing is often recommended.
What factors can increase the cost of my renovation?
Several factors can impact cost, including:
- Structural changes
- Level of finishes and customization
- Existing home conditions
- Size and complexity of the project
- Permitting and engineering requirements
These variables are why projects can vary widely in price.
Are renovations in older Denver homes more expensive?
They can be. Many older homes require updates to electrical, plumbing, or structural systems. While these upgrades improve safety and performance, they can add to the overall cost of the project.
How do I know if my budget is realistic?
The best way to determine this is to align your goals with current market costs early in the process. Working with a design-build team can help you understand what is feasible within your budget and where adjustments may be needed.
What is included in a design-build renovation process?
A design-build approach combines design and construction under one team. This typically includes:
- Initial planning and budgeting
- Architectural and design development
- Selections guidance throughout the project
- Construction and project management
This approach helps streamline communication and create a more predictable experience.
Can I get a ballpark estimate for my project?
Yes, and this is often the best place to start. Every home and project is different, so the most accurate way to understand your investment is to have a conversation about your goals, your home, and what you are trying to achieve.
At Cillessen Construction, we take a consultative approach and can help you understand:
- What is realistic for your budget
- What options you should consider
- What next steps make the most sense
Reach out to our team to talk through your project.
Start Your Renovation with a Conversation
Every renovation starts with a conversation. Whether you are just beginning to explore ideas or already have a clear vision, the next step is understanding what is possible for your home and your budget.
At Cillessen Construction, our goal is to help you make informed decisions and guide your project with clarity, care, and attention to quality.
If you are considering a whole home remodel, addition, or pop-top in the Denver area, we would be happy to discuss your project and answer early questions. Contact us to schedule a conversation today.
