Redefining Skylines - Unlocking New Potential

FMEX Developments are specialists in construction of new build properties, property refurbishments and conversions and in the field of airspace and rooftop development, redefining local skylines and unlocking new potential for our clients within their existing portfolios.

Our vision is to redevelop underutilised space, maintain the character of the buildings, enhancing wherever possible and maximising the space available to our clients. Rooftops and the available airspace resource have become valuable assets that elevate property value, and upgrades to the existing communal areas enhance the buildings for the existing residents.
We specialise in quality construction solutions, from your first enquiry to the handover of keys, we deal with every process in between. We offer the full build service, from planning, with any required consultations, through to brick matching and of course building. We can supply 3D imagery so you can envision your project and then watch it come to life, whether it be on your land, house, or apartment block.
Each project we undertake is driven by a commitment to quality, sustainability, and innovation. Our team of urban planners, architects, engineers, and project managers work closely with clients to craft solutions tailored to their specific goals, ensuring every development is not only profitable but also aesthetically pleasing and environmentally responsible. We navigate complex Local Authority and Government Building regulatory requirements to make airspace projects viable and attractive options for our clients.

Why Choose Us?

We have a wealth of knowledge in both traditional and vertical development, our team has the ability to address the unique challenges and opportunities of airspace projects. We integrate the latest design technologies and sustainable practices to create spaces that are beautiful, functional, and future-ready. We oversee every phase of the project lifecycle, from initial concept to final completion, ensuring our clients enjoy a smooth and hassle-free experience. We believe in building lasting partnerships. Every project begins with understanding your vision, ensuring that we deliver results that exceed expectations.

Meet the Team

Our team is led by George Capsalis and Jeton Osmani, who have collaborated for the past fifteen years and collectively bring over fifty years of construction industry experience. Supported by a team of multiskilled builders, project managers, and office staff, the extensive expertise at FMEX Developments is crucial to our success.

George Capsalis

With over 30 years of experience in the construction industry, George Capsalis has progressed from a general laborer to Managing Director of multiple companies. He currently leads FMEX Developments Ltd, specializing in rooftop airspace development and Mode Construction Services, overseeing a wide range of projects from new builds to conversions. Notable achievements include managing the conversion of commercial properties into residential apartments and overseeing complex multi-unit developments in London. George’s expertise spans construction management, project coordination, negotiating with clients, and securing funding, making him a leader in airspace and urban development.

Jeton ‘Tony’ Osmani

Tony Osmani is an accomplished executive leader with over 20 years of experience in the construction and property development industries. With a background in joinery, Tony has grown from site management roles to founding and leading multiple successful ventures. He is the Founder and Managing Director of Forts Developments Ltd, a leading construction firm that has expanded to include residential and commercial projects across the UK. Tony specialises in large-scale developments, airspace projects, and rooftop extensions, consistently delivering high-quality results. His leadership is defined by fostering talent, driving innovation, and achieving sustainable growth. Tony is also a co-founder of FMEX Developments Ltd, focusing on rooftop developments, and oversees a portfolio of projects worth millions across London and beyond.

Latest News

What is Airspace Development?

A Guide to Airspace Development

Current Airspace Legislations