Creating Stunning Custom Home Additions in Wilmington, DE & Beyond

Bromwell Construction is a design-build addition contractor serving Wilmington, Greenville, Hockessin, North Wilmington, Newark, Middletown, and surrounding areas. As a full-service design-build firm for nearly a decade, we’ve helped homeowners expand with confidence.

We will guide you from concept to completion with clear communication and accurate pricing, no matter if you’re planning a kitchen expansion, an in-law suite, a second-story addition, or a whole-house expansion.

Types of Home Additions We Build

Not all home additions are the same. The right solution depends on your lot, structure, goals, and long-term plans. We help you choose the approach that makes the most sense structurally and financially.

Bump-Out Additions

A bump-out is a smaller extension that expands an existing room rather than creating a completely new one.

Homeowners often choose a bump-out to:

• Enlarge the kitchen for a better layout and storage
• Expand a primary bathroom
• Add square footage to a family room
• Create space for a breakfast nook or seating area

Because a bump-out builds off the existing structure, it can be a more efficient way to gain functional space without committing to a full-scale addition.

Rear or Side Room Additions

A full room addition adds entirely new square footage to your home with its own foundation, walls, and roofline.

These projects are ideal for:

• Expanding kitchens and living areas
• Adding a guest suite
• Creating a dedicated home office
• Building a new family room

This type of home expansion requires structural coordination, foundation work, and integration with your existing mechanical systems. Done correctly, it should feel seamless, not like an afterthought.

In-Law Suite Additions

An in-law suite addition in Delaware adds a fully functional living space designed for privacy, comfort, and independence while remaining connected to the main home.

These projects are ideal for:

• Multi-generational living
• Aging parents who want to stay close to family
• Long-term guests
• Adult children returning home

A well-designed in-law suite addition may include:

• A private bedroom
• Full bathroom
• Sitting area
• Kitchenette or compact kitchen
• Separate entrance (when desired)
• Accessible design features

This type of home addition requires careful planning for plumbing, HVAC zoning, sound separation, and code compliance. Done correctly, it should feel like a natural extension of the home.

Second-Story Addition

When your lot limits outward expansion, a second-story addition may be the right solution.

This approach allows you to:

• Add multiple bedrooms and bathrooms
• Create a private primary suite
• Preserve yard space
• Increase long-term property value

Second-story additions require careful structural evaluation to ensure your existing foundation and framing can support the added load. As experienced home extension builders, we coordinate engineering, design, and construction to ensure structural integrity from the start.

Whole-Home Expansion

A whole-home expansion often combines multiple additions with a whole-home remodel to reconfigure the entire layout.

This is common in older Delaware homes where:

• Floor plans feel segmented
• Kitchens are undersized
• Living spaces lack flow
• Storage is limited

Rather than simply adding space, we redesign the home so new and existing areas work together cohesively.