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Tonic Design | Tonic Construction

Tonic Design | Tonic Construction

Raleigh, NC

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Warm light glows through the modern addition's extensive glazing on a snowy evening.
Warm light glows through the modern addition's extensive glazing on a snowy evening.
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Hillcrest House Addition: An Innovative Approach To Old + New

Location: Cameron Park, Raleigh, North Carolina

The project involved designing a modern, 1500-square-foot addition for a two-story, red brick, Georgian Revival-style house built in 1916 in a historic inner-city neighborhood with narrow lots and minimal set-backs between houses. The addition would become the primary hub of activity for a growing family and an ideal space for entertaining. Programmatically, it would include an open kitchen, dining, living area and a spacious master bedroom suite.

To uphold the general scale of this neighborhood and the manner in which the existing house has addressed the street for over 100 years, the addition’s mass is held within the outer planes of the old house, tucked against its rear elevation.

And unlike other proposals the owners had seen, the plan divided the public and private spaces between two stories rather than letting the new construction consume the majority of the property.  As a result, the architects retained a generous backyard for outdoor play space.

For the exterior walls, the architects chose Corten® steel because it is as durable as the old house’s brick veneer and it relates to its color tones. The natural wood siding at the rear elevation adds an element of warmth to the rugged steel, similar to the way in which the old house’s white wood trim creates softer edges against the brick.

How the existing house and the new construction linked together structurally presented the challenge. During design development, a sectional opportunity presented itself that would avoid a head-on collision between the old gabled roof and the addition’s flat one, and between the differing floor and ceiling heights: a slender, double-height interstitial space between the two structures.

This innovative solution let the rooflines retain their individual character, created a gentle transition between floor and ceiling heights, and left the rear brick wall of the old house, windows included, intact. The brick provides a compelling textural contrast to the smooth white walls of the addition.

This double-height space marks the moment when the existing structure ends and new construction begins. To punctuate this moment, two tall, slim windows appear like exclamation points on either end of the space, letting sunlight spill through.

This transitional space was the logical location for an additional staircase at the back of the now-enlarged house (the original main staircase is located just inside the front door), which leads directly to the master suite on the second floor. To continue the transparency established in the addition, a local artisan fabricated a black perforated-metal staircase. A low glass wall fronts the landing.

As with all traditional homes from its period, the 1916 house is a series of rooms whose purposes are contained within four walls. In contrast, the addition is a series of open spaces where functionality flows seamlessly from one into the other. Anchored on one end by the couple’s new minimalist kitchen and on the other by a fireplace between built-in display shelves, furniture placement alone defines the living and dining areas. Unimpeded by walls, natural light fills the entire space.

Directly above the “public” living/dining/kitchen on the first floor is the spacious, sun-lit master suite. Outside the master suite, adjustable louvered “fins” across the glazing protect the interior from uncomfortable glare.

A New Narrative

The addition responds to the intent of the old house and builds upon its existing narrative of family, heritage, fine taste, and social grace, Simultaneously, it introduces an entirely new narrative that tells the story of a more open, relaxed lifestyle with 21st-century amenities and attention to energy efficiency. Both narratives are articulated through materiality (brick and steel), form (a historic foursquare box and a simple, modern, rectilinear appendage), and spatial relationships created through floorplan.

As a result, the residence has been reinvented into a home that embraces casual, modern living without having to sacrifice any of the charm and character of the historic house.

And within the old, established neighborhood, the old house's venerable brick façade still greets the street as it has for 100 years, while the view from the mid-block alleyway behind the house reveals an unexpected expanse of rust-colored steel, natural wood, and glass.    

 
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Status: Built
Location: Raleigh, NC, US
Firm Role: Architect
Additional Credits: ​General contractor: Laney Brothers

Structural engineer: Kaydos-Daniels Engineers

Landscape designer: Bland Landscaping

Interior design: Sam Adams Project LLC

Custom casework: Dopko Cabinetry & Rosewood

Metal fabrication: Tactile Workshop

Photography © Keith Isaacs

All drawings and diagrams by Tonic Design

 
The old house's venerable brick facade still greets the city street as it has for 100 years, while the view from the mid-black alleyway reveals an unexpected expanse of rusty steel, natural wood, and glass.
The old house's venerable brick facade still greets the city street as it has for 100 years, while the view from the mid-black alleyway reveals an unexpected expanse of rusty steel, natural wood, and glass.
By keeping the addition within the perimeter of the original house and dividing public and private spaces between two floors, a backyard remained on a narrow inner-city lot.
By keeping the addition within the perimeter of the original house and dividing public and private spaces between two floors, a backyard remained on a narrow inner-city lot.
The addition responds to the intent of the original house -- family, heritage, fine taste and social grace -- while introducing an entirely new narrative about a more open, relaxed lifestyle with 21st-century amenities.
The addition responds to the intent of the original house -- family, heritage, fine taste and social grace -- while introducing an entirely new narrative about a more open, relaxed lifestyle with 21st-century amenities.
In the transitional space (seen to the right), the red brick rear wall of the old house stands in dramatic contrast to the addition's smooth white walls. Its presence pays homage to the architectural heritage of the original Georgian Revival house.
In the transitional space (seen to the right), the red brick rear wall of the old house stands in dramatic contrast to the addition's smooth white walls. Its presence pays homage to the architectural heritage of the original Georgian Revival house.
Looking from the new kitchen at one end to the fireplace and built-in display shelves at the other. The glass wall provides views of the backyard and the architecturally diverse neighborhood.
Looking from the new kitchen at one end to the fireplace and built-in display shelves at the other. The glass wall provides views of the backyard and the architecturally diverse neighborhood.
To maintain the addition's sense of transparency, local artisans fabricated a perforated metal staircase that leads directly to the master bedroom suite on the second floor.
To maintain the addition's sense of transparency, local artisans fabricated a perforated metal staircase that leads directly to the master bedroom suite on the second floor.
Left: Louvered 'fins' keep the sun's glare out of the new master bedroom suite on the second floor. Right: Diagram demonstrating the innovative sectional solution for adding new construction to an old, traditional house.
Left: Louvered "fins" keep the sun's glare out of the new master bedroom suite on the second floor. Right: Diagram demonstrating the innovative sectional solution for adding new construction to an old, traditional house.
The neighborhood context.
The neighborhood context.
During design development, a sectional opportunity presented itself that avoided a head-on collision between old and new: a slender, double-height transitional space between the two.
During design development, a sectional opportunity presented itself that avoided a head-on collision between old and new: a slender, double-height transitional space between the two.
The double-height space marks the moment old meets new.
The double-height space marks the moment old meets new.
The 1916 house is a series of rooms (left). The modern addition is a series of spaces.
The 1916 house is a series of rooms (left). The modern addition is a series of spaces.