About Us
Castlemere Developments is a specialist airspace developer creating aspirational and affordable modular penthouse living for the private residential market across London and the South East.
Through innovative technology and modern methods of construction, we unlock new value in high-density areas by redeveloping existing buildings and adding contemporary apartments above unused rooftop space.
We work in partnership with planners, landowners, investors, agents, architects and interior designers, delivering high-specification homes that are designed off-site and installed with precision on location.

Our Expertise
Property Development
Delivering high-quality residential schemes, from boutique apartments to larger regeneration projects, with a focus on design, quality and long-term value.
Airspace Development
Innovative solutions for creating new homes above existing buildings, maximising unused rooftop space in London and the Home Counties.
Land Acquisition
Actively acquiring land with or without planning permission, including complex sites. Castlemere makes the process clear and efficient, with quick decisions and a proven track record of delivery.
Sustainable Living
Commitment to sustainable construction and sensitive design, ensuring developments respect their surroundings, reduce environmental impact and provide added value to communities.
Our
Approach
Quality & Design
Every development is carefully planned to deliver lasting quality, with attention to detail in both design and workmanship.
Sustainability
We embrace modern methods of construction and sustainable practices, ensuring each scheme is functional, distinctive and environmentally responsible.
Efficiency
Our streamlined structure allows us to make quick decisions and provide clear communication, making the process simple for landowners, investors and partners.
Credibility
With more than £20 million of developments completed in the past 18 months, Castlemere Developments has a proven track record of speed, reliability and long-term value.


















