01DA-01 · 1:20
Remedial Works
Defect rectification, waterproofing and structural repair for strata, owners corporations and commercial buildings — scoped, costed and certified, with clear risk allocation from day one.
Plate A-001
Drawing Register
Scale 1 : 100 @ A1
No. 001 · Piper Moss · Sydney
Drawn before
it is built.
Piper Moss is a Sydney architectural building practice. Forty years on the tools, an MBA Excellence award, and a single accountable team — drawn, considered, then built by the same hands.
MBA NSW · Excellence 2019
NSW Lic. 393831C
40+ years
Three hands · one practice
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01
The Studio · Heritage · Practice
A practice three hands deep.
Piper Moss is the Auld family practice. Forty years on the tools meets a design hand and an engineer's discipline — under one accountable team.
Founded by Stephen Auld after four decades as a builder in Sydney's east, the practice carries an MBA NSW Excellence award (2019) and a deep bench of repeat-client work. The studio took on its current shape in 2024 — Stephen alongside his sons Hubert (design and practice, previously Tillow Built) and Rufus (operations and accounts, civil-engineering trained).
The work is brief-led, drawn before it is built, and finished by the same hands that started it. Considered residential, complex remedial, careful commercial, fine joinery — under one licence, one practice, one accountable conversation from the first pencil line to handover.
MBA NSW Excellence2019
Heritage attic · Bronte2014
i
One studio
One team start to finish.
ii
Drawn first
Detailed before a saw is picked up.
iii
Award craft
Recognised by the MBA.
iv
Honest scope
Where uncertainty exists, we name it.
02
What we do · Four services · One licence
Four services. One accountable team.
Each service is delivered by the same studio — designer, builder, joiner, engineer in one accountable team. Click any card to start a conversation.
02RES-01 · 1:50
New Residential Builds
Architect- and designer-led houses brought to life with meticulous planning and a single accountable team — from the first pencil line to the day the keys change hands.
03FO-01 · 1:100
Commercial & Fitouts
Retail, office and hospitality fitouts delivered to a defined scope, a defined price and a defined programme — with the least possible disruption to a working building.
04JN-01 · 1:5
Carpentry & Joinery
Bespoke joinery and fine carpentry by experienced people who understand their craft. The detail that lifts a space from built to genuinely considered.
03
Selected Work · Sydney · 2022–2024
A few we're proud of.
Six recent builds, by suburb and year. More on request — the work that doesn't surface here is the work clients prefer we don't post.
04
Meet the Team · Key Personnel
Three hands. One practice.
A father and his two sons. Stephen built it; Hubert draws and runs the practice; Rufus keeps the operation honest. The whole team is on every project.
Founder
Stephen Auld
Builder · 40 years on the tools
The practice exists because Stephen built it. Forty years on the tools in Sydney's east, an MBA Excellence award in 2019, and a long bench of clients who came back twice. Still on site most weeks.
Director
Hubert Auld
Design & practice · ex-Tillow
Hubert ran Tillow Built before bringing its design discipline into the family practice. He's the draftsperson, the brief-shaper, the one who reads the room with the architect. Carpentry-trained, drawn-led.
Portrait to come
Operations
Rufus Auld
Operations · Accounts · CivE
A civil engineer by training, Rufus keeps the programme honest, the books straight, and the structural conversations grounded. The one who runs the numbers before the saws come out.
05
Recent · @pipermoss · Workshop
From the workshop floor.
Process, details, the things that make it on site but rarely make it onto a finished-shot grid.
@pipermoss.au
Sydney · Building practice
06
Begin a conversation · Studio & Service Areas
Tell us about the project.
A short note is enough. We'll respond within two business days and propose a first conversation — at the studio, on site, or on a call.