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Giffney / Bennett House
Architect
McCauley, Conran & Associates
Completed
c.1963
Addition
McCauley, Conran & Briger Architects
Location
Middle Cove, Sydney's Lower North Shore
Specification
3 Bed, 2.5 Bath, 2 Car (garaged), double Study & two Living
Program
Split-level, two-storey, freestanding house
Photography
© Aimee Crouch
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Introduction
Designed circa 1963 by Sydney modernist practice McCauley, Conran & Associates, the ‘Giffney / Bennett House’ is a remarkably intact and much-loved mid-century modern residence positioned within a secluded Middle Cove valley landscape. Held by the current custodians since 1965, the house retains a rare sense of architectural continuity, preserving both the spatial clarity and material warmth of the original design.
“ As if by magic, the house reveals itself as an unusually complete and quietly compelling example of site-specific, mid-century modernism.”
The Design
Hidden from the street, the house is approached further down Greenfield Avenue, beyond the double garage, where a path draws you through an entrance arch – immediately suggesting something special. The house reveals itself through a carefully considered sequence: a planted entry court with pond, a colonnade of brick columns, and floating open-tread stairs glimpsed through full-height glazing.
Upon entering, the lobby remains one of the defining experiences of the design, establishing the rhythm and material language that continues throughout the interiors. Forward-thinking for its time, the original plan also incorporated direct internal access from the double garage, allowing arrival beneath cover before descending into the main living spaces.
Accommodation is beautifully resolved by the split-level plan, with the main living spaces enjoying direct connection to the garden, patio and surrounding landscape, while the bedrooms remain separated and private. Floor-to-ceiling glazing and an ideal north-east orientation draw natural light deep into the interiors throughout the day, framing established angophoras and the surrounding valley outlook. The relationship between interior and exterior spaces feels particularly well judged, with living areas extending naturally toward lawn, planting and built-in outdoor seating.
Exposed timber beams, clerestory windows, parquetry timber flooring, and mosaic tiling contribute to a material palette that feels both restrained and tactile. Importantly, the house retains many of the details so often lost in homes of this era, including built-in patio seating, an original room divider and the much-loved kitchen dining table, all preserved as part of the home’s everyday use rather than as museum pieces. The original bathroom, carefully maintained kitchen layout and surviving architectural fittings, including lighting, further reinforce the integrity of the residence. Rather than feeling nostalgic, the house continues to feel remarkably contemporary – practical and intuitively arranged for everyday life.
An important aspect of the home’s architectural story is the later family room addition, undertaken during the current family’s custodianship by McCauley, Conran & Briger, the later iteration of the original practice. The decision to return to the same architects is significant, preserving continuity of scale, proportion and architectural language across both stages of the design. Former external windows at the base of the stairs now form part of the transition into the later living spaces – the subtle evolution of the residence over time could easily be missed.
The three-bedroom plus study layout includes two distinct living areas, double garage with internal access and flexible spaces that comfortably support contemporary family life and work-from-home use. Positioned on approximately 1,050 sqm of established grounds, the house remains remarkably relevant today – a carefully resolved response to site, light and landscape that demonstrates how good design can feel both timeless and current.
Accompanying the property is an extensive archive of original architectural documentation, including specification schedules, drawings and associated material relating to both the original house and later addition. The survival of this material provides an unusually complete record of the residence and its evolution, further strengthening the provenance of the house.
We look forward to welcoming you to one of Middle Cove’s most intact and quietly compelling examples of Australian mid-century modern design.
“ We love that the later addition was entrusted to the original architects.”
Floor Plan
Download
Specifications
Address
25 Greenfield Avenue, Middle Cove NSW 2068
Specification
3 Bed, 2.5 Bath, 2 Car (garaged), double Study & two Living
Approx. gross internal area:
222 sq m (2,390 sq ft)
Approx. gross land area:
1,050 sq m (0.25 acre)
Environmental & Structure
Designed with passive design principles
NE to principal living spaces (indoor & outdoor)
Wide eaves to to protect from solar gain in summer
Minimal southerly exposure
Efficient cross ventilation
Brick pier footings
Double brick external walls
Corrugrated sheet metal roof
For Sale by Private Treaty
Price Guide: $3.15M
View by Appointment
Please call:
National: 1300 814 768
International: +61 2 8014 5363
Location
Middle Cove is one of Sydney’s quieter harbourside enclaves, positioned on the Lower North Shore between Castlecrag and the bushland edges of Middle Harbour. Known for its established gardens, architectural significance and close relationship to landscape, the suburb has long attracted residents seeking a calmer, more private residential environment within relatively close reach of the Sydney CBD.
The area is characterised by winding streets, sandstone topography and a strong connection to surrounding bushland and water. Walking tracks, reserves and foreshore access points throughout the Middle Harbour catchment provide opportunities for kayaking, boating, bushwalking and outdoor recreation, while nearby Harold Reid Reserve and the broader Sydney Harbour bushland network contribute to the suburb’s distinctly natural character.
Middle Cove also has a longstanding association with Sydney’s architectural history, and the broader North Shore modernist tradition. A number of notable architect-designed homes from the post-war period remain throughout the area, contributing to a residential character that feels established, considered and relatively protected from high-density development.
Everyday amenity is well supported by nearby village centres including Northbridge and Chatswood, offering cafés, local shopping, supermarkets and transport connections. Chatswood’s commercial and retail precinct is only a short drive away, providing access to major dining, entertainment and transport infrastructure, including direct rail connections to the CBD.
Travel times to Sydney CBD are generally convenient for a harbourside suburb of this character. By car, the journey is typically around 20–25 minutes depending on time of day, while nearby Chatswood Station provides regular train and Metro services connecting to the city and wider Sydney network.
“Middle Cove feels shaped by landscape: bushland, sandstone and the cooling presence of Middle Harbour.”
Architect
McCauley, Conran & Associates was a Sydney architectural practice active through the post-war modernist period, later evolving into McCauley, Conran & Briger Architects after Andrew Briger became a partner in 1964. The practice worked across a broad range of project types, including single residences, apartment buildings, commercial work, architectural offices, urban renewal and planning studies.
While less widely documented than some of their contemporaries, the residential work associated with the practice demonstrates a clear and confident mid-century language: split-level planning, expressive structure, textured masonry, timber detailing, full-height glazing and a strong relationship between interior spaces and landscape. A good example is at 145 Springdale Road, East Killara, designed by Harold R. McCauley c.1959, which was noted for its floating staircase, raked ceilings and material palette of timber, glass and stone.
The practice’s work was not limited to single houses. McCauley, Conran & Briger are also documented among the external architects involved in the Woolloomooloo Redevelopment Project, placing the firm within the broader planning and urban housing conversations of Sydney in the 1970s.
For Giffney / Bennett House, this background is important because the residence reflects the practice’s strengths at a domestic scale: a carefully resolved plan, strong sectional movement, robust materiality and a connection to site. Today, the known work of McCauley, Conran & Associates and McCauley, Conran & Briger remains quietly compelling – architecture grounded in thoughtful planning and enduring materiality.
Architect's Drawings
For Sale by Private Treaty
Price Guide: $3.15M
View by Appointment
Please call:
National: 1300 814 768
International: +61 2 8014 5363