Johnstone Callaghan Architects is an award-winning studio that creates residential and commercial spaces that champion functionality, form, and detail.

The design-led practice was formed in 2019 by Prue Johnstone and Mike Callaghan over a shared vision of bespoke, considered and enduring architecture. Its small team of like-minded architects and designers is based in Ōtautahi, Christchurch, with a diverse portfolio of projects across Aotearoa.

Combining experience and ingenuity with in-depth client collaboration, JCA delivers responsive architecture that exceeds expectations.
Our Team
Mike Callaghan — Principal, Architect
Prue Johnstone — Principal
Tim Dewar — Architect
Claire Krejcisz — Graduate
Haidee Woods — Graduate
Dayna Helem — Graduate
Erica Brouard — Graduate
Fletcher Allan — Graduate
Sophie Tanner — Administration
■     Awards
Te Kāhui Whaihanga
New Zealand Institute of Architects
The Studio
2024
Akin
2024
Redcliffs Medical Centre
2024
Garden House
2024
Triptych
2023
Winner — Resene Colour Award
2023
The Cowshed
2023
The Cabin
2022
2022
Russell's Cabins
2022
Doubles
2022
Winner — Resene Colour Award
2022
Recycle Boutique
2022
Winner — Resene Colour Award
2022
Best Awards
The Cabin
2022
Triptych
2023
Interior Awards
The Cabin
2022
Timber Design Awards
Russell’s Cabins
2023
■     Press/publications
The Cowshed
2023
The Cabin
2022
Henderson House
2024
Russell's Cabins
2022
2023
2023
2022
Triptych
2024
Doubles
2021
■     studio@jc-a.co.nz

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+64 3 365 0413

66 Gloucester St, Level 2
Christchurch 8013
■     studio@jc-a.co.nz
66 Gloucester St, Level 2
Christchurch 8013