Home Additions Experts
Expert Home Additions Services
GS Construction & Remodeling specializes in professional Home Additions. As a father-son team, we bring decades of combined experience to every project.
From the first walkthrough to the last punch-list item, Greg or Patryk runs your Home Additions project themselves. That means a scope written out line by line instead of one number, permits pulled and handled with your village, and the same faces on site rather than a crew you've never met.
- Specialized Home Additions expertise
- On-site supervision for every project
- Transparent pricing with no surprises
- Quality craftsmanship guaranteed
"Your Home Additions project deserves the best—we deliver it."
Neighborhoods & landmarks near our Northfield home additions
New Trier High School Northfield Campus, Sunset Ridge Country Club, Clarkson Park, Willow Park, Fox Meadow Park, Northfield Community Center, Northfield Village Center on Happ Road, Edens Expressway at Willow Road
Neighborhoods we work in
- Sunset Ridge
- Middlefork
- Willow Wood
- Winnetka Highlands
- Northfield Estates
Home additions in Northfield, IL
Home additions in Northfield frequently involve expanding existing mid-century ranches or colonials to accommodate growing families or new lifestyle needs. Many homeowners seek to add substantial square footage without sacrificing their generous lot sizes, often extending footprints to the rear or side. We commonly blend new construction with the original architecture, ensuring a seamless transition that enhances both curb appeal and interior flow. These projects often transform single-story layouts into multi-level homes or significantly enlarge ground-floor living areas, creating modern spaces within the established character of Northfield's diverse housing stock.
What Northfield homeowners ask for
Northfield homeowners frequently request primary suite additions, expanding smaller mid-century bedrooms into luxurious retreats with walk-in closets and spa-like bathrooms. Family room additions are also common, particularly for ranches, creating larger, open-concept living spaces that connect to outdoor areas. Many also seek to add second stories to single-level homes, effectively doubling their living space while retaining their Northfield address.
About Northfield
Northfield's housing stock is largely a postwar story: most homes here date from the 1950s onward, spanning mid-century ranches and classic colonials to custom contemporaries on generous wooded lots.
Northfield's housing stock is largely a postwar story: most homes here date from the 1950s onward, spanning mid-century ranches and classic colonials to custom contemporaries on generous wooded lots — including a small enclave of Carl Koch's prefab Techbuilt homes off Old Willow Road. Daily life centers on the Happ Road Village Center just west of the Edens, with Sunset Ridge District 29 schools and New Trier's freshman campus right in town.
The prevalence of 1950s onward housing, from mid-century ranches to custom contemporaries, means additions must respect diverse existing roof lines and foundations. Generous wooded lots suggest ample space for expansions, but setbacks will be a key consideration for additions to these properties. The presence of Carl Koch's prefab Techbuilt homes indicates a need for careful integration of new structures with unique original designs. Given the Village's focus on transforming older ranches rather than tearing them down, exterior changes for additions will likely undergo thorough review to maintain neighborhood character. The Village's lead service line reimbursement program, while not directly tied to additions, highlights a municipal interest in property upgrades that can be coordinated with larger remodeling projects.
For home additions in Northfield, the Village's Community Development Department focuses heavily on structural integrity, ensuring new foundations and roof ties meet current codes. Plan review for additions will specifically scrutinize zoning compliance, including setbacks and lot coverage, all of which GS Construction & Remodeling expertly navigates and manages, from initial application to final inspection scheduling.
How your Northfield project runs
ProcessThe same six stages on every job — free in-home estimate through warranty.
Free in-home estimate
Greg or Patryk — the owners, not a salesperson — walk your space, take real measurements, and give you honest feedback on what your budget buys.
Itemized scope & contract
Labor, materials, demolition and disposal priced line by line, not one mystery number. Payment terms and warranty are in the written contract.
Design & selections
Bring your own designer, use our architects and designers, or choose everything yourself. Selections are scheduled ahead so lead times never stall the site.
Permits & scheduling
We pull and manage building, plumbing and electrical permits with your village — typically 1–2 weeks — and hand you a written schedule before demo day.
The build, owner-supervised
Long-standing trade partners working in sequence under daily owner supervision. Your client portal shows the schedule, change orders and current balance.
Walkthrough & warranty
We walk the finished job together, close out every punch-list item, hand over manufacturer paperwork, and your written workmanship warranty starts. Our commitment never expires.
Testimonials
Your Neighbours in Northfield Love Us
Real reviews from homeowners. Ask us for live phone references.
We have used GS for two bathroom projects-the first a small update; the second a complete remodel. We were thrilled with both. Everything was as promised; the timeline, price, and what it would look like. We were able to buy our own tile and fixtures and were not tied to any company's showroom. We got what we wanted and likely saved money doing so. GS also installed interior doors. The workmanship was great. The only downside is that now the bathrooms are the two nicest rooms in the house! I would heartily recommend GS construction!
Before & After & Timelapse
What homeowners near Northfield say
“We have used GS for two bathroom projects-the first a small update; the second a complete remodel. We were thrilled with both. Everything was as promised; the timeline, price, and what it would look like. We were able to buy our own tile an...”
“We cannot say enough good things about GS Construction and about Greg and Patryk. We hired them on a strong recommendation from a friend and are very pleased with the results. Our project included remodeling a kitchen and master bathroom an...”
“My designer and I chose GS Construction for the rehab of my kitchen and other small projects in my newly purchased condo. They were recomended by a client of the designer, Mark Zancanaro Design, who raved about their professionalism and com...”
Home Additions stories from the blog
Kitchen Remodel · Barrington, IL
A Bright, Hardworking Kitchen Renovation in Barrington, IL
This kitchen renovation in Barrington, IL, completed in 2021, shows the kind of bright, hardworking space we love to build, centered around a striking gray island.
Sep 4, 2026
Kitchen Remodel · Hoffman Estates, IL
Hoffman Estates Kitchen & Wet Bar: A Bright, Cohesive Renovation
We transformed a kitchen, wet bar, and living room in Hoffman Estates, IL, creating a bright, updated space with white shaker cabinets and granite counters.
Sep 4, 2026
Kitchen Remodel · Palatine, IL
Palatine Kitchen Renovation: Dark Wood, Granite, and a Mosaic Accent
This Palatine kitchen renovation showcases rich dark wood cabinetry, elegant granite countertops, and modern stainless steel appliances.
Sep 4, 2026
Budgeting first? See real 2026 price ranges in our home additions cost guide — and what your Northfield permit will add in our permit guide.
Completed projects around Northfield
GS Construction crews have completed 116 projects within 10 miles of Northfield — part of 429 completed projects across 69 Chicago-area ZIP codes. The map below shows real project density from our records, not a service-area claim.
More Remodeling Services in Northfield
Contact GS Construction
Let's Build Beautiful Spaces Together
GS Construction is a father-and-son construction company, and home additions in Northfield is work Greg and Patryk run themselves. Expect clear communication, quality craftsmanship, and a straightforward plan—reach out today to schedule a free in-home consultation and get a detailed estimate and honest feedback.
- Telephone
- (224) 735-4200
- [email protected]
- Service Area
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Service Area
Northfield and surrounding Chicagoland areas