top of page

Sustainable buildings with a Cornish spirit, designed and built with a respect for the people that we work with and the planet whose resources we are borrowing.


Proud to be part of the B Corporation movement.


BuildIt Awards 2019 / Best Architect for a Self Build / Winner

British Homes Awards 2020 / Shortlist

Cornish Buildings Group 2019 / Annual Awards / Commendation

Nestled into the tree tops at the head of a creek, Sylvania leans out from the hillside to make the most of views towards the Fal Ria. The design sensitively responds to the Sylvan character of the site in the heart of Cornwall’s Area of outstanding Natural Beauty.

View All Projects


BuildIt Awards 2021 / Best Architect for a Renovation and Extension / Winner

Set in a secluded glade at the end of a long gravel driveway the renovated and extended Milk Moon Barns creates a modern family home from a collection of formerly derelict farm buildings.

View All Projects


KAST Architects is a small close-knit practice of individuals with complementary skills and talents. Our open plan office in the centre of Truro encourages collaboration and interaction and helps to strengthen our shared ethos and core values.

Read More

“A mindful, research-led practice that genuinely cares for the environment, which promises to create architecture that’s as sustainable as it is striking.”

The Modern House


Latest News


The Daily Telegraph Homebuilding & Renovating Awards 2017 / Best Contemporary Self Build / Shortlist

BuildIt Awards 2017 / Best Architect for a Self Build / Shortlist

RICS Awards 2018 / Shortlist

Cornish Buildings Group 2018 Annual Awards / Commendation

Balanced high on a cliff in south Cornwall, Sea Edge offers an uninterrupted panorama of the horizon, picking up Rame Head to the east, and Looe and St George’s Island to the west.

View All Projects

bottom of page