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 Northlake home additions
West Leyden High School, Northlake Public Library District, Centerpoint Preserve, Grant Park Recreation Center (Veterans Park District), North Avenue (IL 64), Lake Street (US 20), Wolf Road, I-294 North Avenue interchange
Neighborhoods we work in
- Westgate
- The Pines
- Orchard Place
- Northlake Woods
- Maplewood
Home additions in Northlake, IL
Expanding a home in Northlake often means working with the compact footprints of its mid-century Cape Cods and ranches, where the original layout might no longer suit modern family needs. These homes, typically built in the 1950s and '60s, present a unique opportunity to thoughtfully expand living space while maintaining the neighborhood's established character. Many addition projects here aim to relieve the constraints of smaller common areas or add much-needed bedrooms and bathrooms. We frequently see requests to extend the rear of these properties, providing a seamless transition from the existing structure, or to add a second story where zoning permits. The goal is always to integrate new construction so it feels like an original part of the home, enhancing functionality without sacrificing curb appeal. Careful planning is essential to ensure a cohesive aesthetic and structural integrity, especially when connecting new spaces to these enduring postwar designs.
What Northlake homeowners ask for
Northlake homeowners frequently seek home additions that create larger, open-concept family rooms or sunrooms, often extending off the back of existing ranches. Second-story additions are also popular for adding master suites with private baths or additional bedrooms, especially for growing families in their Cape Cods. We also see demand for mudrooms or larger entryways to manage Chicago's seasons, often integrated into a side addition.
About Northlake
Northlake is a town of compact postwar Cape Cods and ranches on modest lots. These homes are a natural fit for opening up small kitchens, updating tight bathrooms, and finishing basements into real living space.
Northlake's housing story is unusually specific: beginning in the late 1930s, the Midland Development Company sold "semi-finished" Cape Cod and ranch houses near North Avenue and Wolf Road that buyers finished themselves. After incorporating in 1949, the city filled out through the 1950s and '60s, when the Automatic Electric telephone plant arrived and industry settled the west side while homes stayed east. Families feed Mannheim District 83 schools and West Leyden High School, with the I-294/North Avenue interchange minutes away.
The early "semi-finished" Cape Cods and ranch houses near North Avenue and Wolf Road suggest varied original construction quality, requiring careful assessment of existing foundations and roof lines for seamless additions. As the city filled out through the 1950s and '60s with the arrival of the Automatic Electric telephone plant, lot sizes in these areas are often compact, necessitating creative solutions for setbacks and expansion. Additions to homes feeding Mannheim District 83 schools and West Leyden High School must consider existing roof lines and materials to maintain neighborhood consistency. The village's review process will likely focus on how new exterior changes integrate with the established character of homes built during Northlake's primary development period. Given the city's self-run Lake Michigan water system and lead service line replacement, plumbing-heavy additions should coordinate with this ongoing infrastructure work.
Home additions in Northlake require detailed plan review for structural integrity, foundation work, and roof integration, triggering multiple inspections throughout the construction process. GS Construction & Remodeling meticulously prepares all necessary applications and coordinates every required inspection with the City of Northlake Building Department.
How your Northlake 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 Northlake Love Us
Real reviews from homeowners. Ask us for live phone references.
Greg and Patryk do amazing work and are incredible to work with! GS Construction completed two extensive bathroom renovations for us, including completely reconfiguring layouts and expanding one. Both bathrooms are absolutely beautiful, and they have significantly improved our family's quality of life in our home. Patryk and Greg are great communicators, take pride in their work, and have good attention to detail. Throughout the project, they really listened to us, took the time to understand what we wanted, kept progress going in a timely manner, and provided expert advice/suggestions and help on specific questions along the way. Every one of their team members did high-quality work. We couldn't be happier with the end result, and definitely will hire them for future renovations!
Before & After & Timelapse
What homeowners near Northlake say
“Greg and Patryk do amazing work and are incredible to work with! GS Construction completed two extensive bathroom renovations for us, including completely reconfiguring layouts and expanding one. Both bathrooms are absolutely beautiful, and...”
“We found G&S on Houzz.com and couldn’t be happier. They created a full basement bathroom and did drywall work to enclose a section of the basement to create a small 4th bedroom. Not only was the price reasonable but their communication and...”
“We had an excellent experience working with GS Construction on our primary bedroom and bathroom renovation. From the very beginning, they were incredibly thorough and transparent in outlining the scope of work, budget, and timeline. Everyth...”
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 Northlake permit will add in our permit guide.
Completed projects around Northlake
GS Construction crews have completed 26 projects within 10 miles of Northlake — 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 Northlake
Contact GS Construction
Let's Build Beautiful Spaces Together
GS Construction is a father-and-son construction company, and home additions in Northlake 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
Northlake and surrounding Chicagoland areas