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Modern office interior at 75 Castlereagh with meeting rooms.

COMMERCIAL OFFICE FIT-OUT

75 Castlereagh Street

The Project

Warm timber, soft textures, and moments of contrast shape this commercial office fit-out in the Sydney CBD. At 75 Castlereagh Street, Helix Group created a workplace where each area carries its own character, moving from light, airy breakout spaces to moodier zones with dark exposed ceilings, all tied together by herringbone timber floors and terrazzo-inspired finishes.

Glass-walled meeting rooms, cosy lounge nooks, and two staff kitchens, one in light oak with an arched tiled niche and one in dark timber, complete the floor, with sculptural furniture adding a relaxed touch. The outcome is a modern workplace that feels flexible and genuinely welcoming.

Planning an office fit-out?

Talk to Helix Group about creating a workplace that works for your team, from smart layouts to the finishing touches.

Discuss Your Fit-out

TYPE

Office fit-out

LOCATION

Castlereagh St, Sydney

SIZE

1300 sqm

VALUE

$700K

YEAR

2024

DURATION

2 months

Project Gallery

Modern office kitchen and dining area at 75 Castlereagh.
Modern office kitchen and breakout area at 75 Castlereagh.
Modern meeting room at 75 Castlereagh
Modern office hallway with blue armchairs and glass partitions
Modern Brooklyn Boy Bagels interior with neon lighting
Modern office interior at 75 Castlereagh with meeting room
Modern office kitchen at 75 Castlereagh with island seating
Modern office kitchen and breakout area at 75 Castlereagh

COMMERCIAL FIT-OUT

Your move-in date matters. Let's build towards it.

Tell us about your space, plans and target opening date.

We'll discuss the scope and next steps to get your fit-out moving.

DISCUSS YOUR FIT-OUT
Modern office kitchen and breakout area at 75 Castlereagh

More Projects

View More Projects

50 Pitt Street

120 Sussex Street

Let's work together

Got a project in mind? We'd love to hear about it.

Tell us a little about what you're planning, and the Helix Group Team will be in touch.

We Build: Commercial Office Fit-Outs · Hospitality & Retail Fit-Outs · Industrial Makegoods · Residential Home Building

Capability Statement for 75 Castlereagh office space

Office Fit-out Capability Statement

PDF · 24 pages · 5.8 MB

Download

HELIX GROUP

Delivering quality construction across Sydney and NSW, specialising in residential, commercial and industrial projects, including fit-outs, refurbishments and renovations

Copyright © 2026 Helix Group

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