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Total transformation of 1980s duplex penthouse results in attractive open-plan interiors and vastly improved layout

01 Sep, 2019
​​​​​​​Renovation of this 1980s penthouse duplex by architect apartment, architecture, building, ceiling, daylighting, design, floor, flooring, furniture, home, house, interior design, living room, loft, office, property, real estate, roof, room, table, wall, window, white
​​​​​​​Renovation of this 1980s penthouse duplex by architect Andrew Wilkinson totally transformed its dated look and ‘tortuous’ layout to a relaxed modern interior with Asian references and highly efficient space planning.    

When you walk into a space that’s undergone substantial renovation your immediate response is most likely going to be a visual one – how good it looks. But what may not be immediately obvious is the major work that often goes on behind the scenes to resolve planning and circulation problems in the original design.

And the duplex penthouse apartment featured here certainly had its share of problems when the current owners bought it. As well as its very dated 1980s look, the apartment had a ‘tortuous’ layout plan, according to architect Andrew Wilkinson.

The kitchen was closed off from the living area, the staircase was also closed in, the powder room opened to the living area and access to a guest room and bathroom on the main floor was by a step-up over the plumbing services.

What it did have was a great location overlooking Manhattan and Central Park and a rooftop terrace for outdoor living on the second floor – though access to this was through the master bedroom.

“The owner came to me with quite specific requirements for the renovation,” says Wilkinson.

“On the first floor they wanted the kitchen opened up and integrated with the aesthetics of the rest of the apartment. Plus they wanted a more natural and rational connection between living areas, the guest room/office and the bathroom and powder room.”

Pivotal to resolving the awkward space planning of the original design was Wilkinson’s treatment of the enclosed spiral staircase, which also had the powder room located directly underneath.

“The position of the stairs was a given because of the opening in the concrete slab,” he says. 


“We removed all of the existing framing to reveal the opening and worked with that to make the ascent to the second floor something special.”

​​​​​​​Reconfiguring the stairs was a major  contributor to architecture, building, ceiling, floor, flooring, furniture, hall, hardwood, home, house, interior design, loft, room, stairs, wood, white
​​​​​​​Reconfiguring the stairs was a major  contributor to resolving circulation problems in the original layout of this duplex penthouse. Architect Andrew Wilkinson removed the existing framed-in spiral staircase and replaced it with a suspended brass and walnut staircase that presents a striking sculptural element on entering the apartment.

This reworking of the stairs also gave guests direct access to the rooftop greenhouse and out to the terrace without going through the private space of the master bedroom – a much more sensible way to reach the public outdoor living spaces.

Wilkinson then set about designing the staircase as a sculptural artwork that would give strong visual impact at the entrance to the apartment.

Steel rods dipped in brass and burnished to a satin finish drop down 6.5m from the perimeter of the rebuilt skylight directly above the stair, with new support structures engineered and installed to suspend the stairs from the second to first floor.

The bars form the balustrading around the staircase and support the handrail. They also fold under the walnut treads to cradle them and contribute to the floating effect of the design.

Joinery at the base of the stairs serves dual function – giving bulk and definition to the stairs on one side, while adding more cabinet space to the adjacent kitchen on the other. Similarly, a display case in the kitchen continues up into the stairwell.

Full demolition of the existing interior took it back to the concrete floors and columns and allowed the kitchen to now open up to the rest of the living spaces.

“The owner has an affinity for SE Asian architecture , and my style has Asian influences too. So the aesthetic I used for the apartment is a light version of that, but not a literal translation.”

​​​​​​​A major attraction when the owner bought this apartment, architecture, building, condominium, estate, furniture, home, house, interior design, lighting, living room, patio, property, real estate, resort, roof, room, sky, black
​​​​​​​A major attraction when the owner bought this penthouse was its rooftop greenhouse and terrace providing stunning views over the Manhattan skyline. As part of the overall renovation of the property, the greenhouse underwent some renovation of its mouldings, while new indoor and outdoor furniture plus landscaping make it the perfect entertaining spot any time of day or year.

Columns and ceiling were left exposed and raw and contrasted with slicker surfaces such as the dropped ceiling in the living area. Finishing this in Venetian plaster gives it a slight shine to reflect light back into the room.

The panel also has a practical function – helping delineate the living and dining areas as well as concealing lighting.

Wilkinson points to the fireplace as another design coup. Completely boxed in when the apartment was bought, it was exposed, rebuilt and refurnished with the same marble cladding used on the kitchen splashback.

“We set out to create something that would visually enthrall people,” says the architect. “But we’ve also created a plan that is so much better and more dynamic.

“Architecture is a practical art. If it falls short on the practicalities you end up with a hollow result.”

Credit list

Architect
Andrew Wilkinson – Architect
Project team
Andrew Wilkinson, Robert Glass, Olga Bukur, Sean Roper
Cabinet company
Structure NYC
Wallcovering
de Gournay wallpaper – powder room
Lighting
USAI Lighting
Kitchen cabinetry
Walnut; Rosewood with clear finish; Benjamin Moore Decorator White lacquer
Splashback
Carrara Marble
Oven, ventilation and dishwasher
Miele
Refrigeration
Sub-Zero
Bathroom vanity
Custom by Structure NYC
Faucets
Kallista
Toilet
Duravit
Flooring
Walnut – master bathroom; Porcelain tile from Nasco Stone & Tile – powder room
Greenhouse furniture
Croft House Rivera sofa; Croft House Marquina coffee table; B & B Italia Stella Bench
Interior designer
Andrew Wilkinson – Architect
Builder
Garone Construction
Flooring
Porcelain tile from Nasco Stone &Tile
Paint
Benjamin Moore; Farrow & Ball
Blinds
Somfy
Countertop
Absolute Black granite
Sink
Kohler
Cooktop
Thermador
Microwave
Jennair
Basin
Custom Corian – master bathroom; stone – powder room
Shower fittings
CR Laurence
Accessories
Kallista
Main level furniture
Stillfried Latus dining table; Roche Bobois Brio Bridge dining chair; Minotti Andersen Slim 90 Sofa; Stillfried Bloop coffee tables; Minotti Leslie low lounge chair; Ligne Roset Cupid occasional table; Stillfried Kitchen stool
Terrace outdoor furniture
Restoration Hardware Aegean Aluminum sectional sofa, lounge chairs and dining table; Lyon Betton Monobloc rectangular coffee table; Roda Harp outdoor dining chair

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