Architecture
that holds
its ground
Project planning, urban design, and technical consultancy — delivered with 35 years of accumulated expertise and trusted international partnerships.
From masterplans to internationally recognised sports facilities — Decathlon delivers at every scale, from private residences to metropolitan parks. A practice built on long partnerships, exacting standards, and a portfolio that spans continents and decades.
Built on precision.
Sustained by trust.
Numbers don't replace judgment, but they tell their own story. Decades of practice, a network that spans continents, and a track record at the very highest level of international events.
We choose complexity. Bioclimatic systems, special zoning, Olympic-scale bids — the work that demands real expertise is where we operate.
We design for the long view — not the immediate deliverable, but the building's life and the city's future.
From design coordination to construction supervision — we see projects through, and our name goes on the work.
Our Services
From sports facilities and cultural buildings to residential and tourist developments — Decathlon brings bioclimatic principles and structural intelligence to every brief.
Masterplans, special zoning frameworks, ESCHASE development plans, and HRADF/SPI advisory — for some of Greece's most significant land assets.
Independent assessment of public and private property assets for investors, institutions, and developers. Rigorous, structured, and defensible.
Behind Decathlon
Decathlon Project Planning & Engineering Consultants S.A. consists of architects, town planners and engineers with extensive experience in the design and management of public engineering and private construction projects, as well as in the Real Estate sector.
The associates and founders of the practice, architects Petros Synadinos and Christos Kourtis, have been collaborating for over 35 years; it is also worth mentioning that Decathlon's associates & staff includes experienced experts, whereas the firm has been in constant collaboration with International Consultants from the United Kingdom and other European countries, as well as from USA & Australia.
During the last 5 years Decathlon has worked systematically in the fields of Bioclimatic Architecture, developing standards of energy saving techniques. Decathlon has been also active in the fields of Town Planning, and during the last 15 years has been involved in the working out of Special Zoning.
In addition, Decathlon has been acting as an expert on the working out of “Technical Due Diligence Reports” on the Evaluation of Public / Private Property Assets.
Since the 1980s' Decathlon has developed a special expertise in the preparation of official bid files for Major International Events (Sports Events like: Olympic Games, International Championships or/and Events related in general to the so-called Events Making Industry: EXPOs, Congresses, Cultural Event: Greek Cities bidding to host events of the institution of “Cultural Capital of Europe”. Finally, Decathlon has an extensive experience in the field of Project Management.
Flagship Projects
The work that defines the practice — at scale, under pressure, and over time.
Lead architect on the conversion of the 1995 Olympic Arena into the headquarters of Panathinaikos BC – Aktor. Over 50,000 sq.m. delivered in four months.
A state-of-the-art auditorium combining warm natural materials, precision acoustics, and contemporary architectural detailing.
Special spatial planning framework for a major coastal tourism development in the Argolic Gulf — navigating protected landscape, coastal regulation, and large-scale investment.
From the Blog
News, project updates, and perspectives from the practice — on architecture, planning, and the industry we work in.
Blog→Our Clients
From public institutions to private developers — the organisations who have trusted Decathlon with their most significant projects.
Clients→Work on projects that matter
Decathlon is a small, expert practice with an outsized portfolio. We work across architecture, planning, and technical consultancy — often on the same project. If you want work that asks something of you, we'd like to hear from you.