About us

Castletree Architectural Services is a multi-disciplinary design practice providing Architecture and a range of complementary design and consultancy services including Planning, Interior Design, Landscape Architecture, and Project Management.

Formed in Jersey in 2013 by Jeff Worthington, Castletree Architectural Services has designed and delivered a broad range of schemes from smaller scale house extensions and garden designs to large housing developments with associated external works and landscapes. We provide a full range of services from initial feasibility, planning and Bye-Laws applications through to construction, on-site supervision and completion.

Design and delivery are our fundamental values, and we are committed to creating the highest standard of design while ensuring that projects achieve the best possible commercial solution. We aim to fully understand the Clients’ needs and provide services and creative solutions that are both functional and delivered on time and within budget. The practice brings together a unique blend of development experience, a broad range of knowledge and depth of technical expertise.

A recent design and development , was awarded Architecture today magazine, Schüco Excellence Awards 2024, best residential development, and people’s choice awards

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Testimonials

”The Parish of St Saviour highly commends Castletree Architects for their exceptional work on the Le Val Aumé footpath project. Jeff and his team showcased professionalism, efficiency, and meticulous attention to detail, ensuring a seamless and successful outcome. Their proactive approach and responsiveness were exemplary, making them a trusted partner for delivering high-quality results. We confidently recommend Castle Tree Architects for their outstanding service.” Paula Jespersen, Executive Assistant to the Connétable & Exec Officer
”I recently had the pleasure of working with Castletree Group specifically with Jeff, on the One St Brelade project in St Brelade Bay. From the very beginning, Jeff was instrumental in bringing our vision to life. His professionalism and attention to detail made the entire process seamless. Jeff guided us through every step, from the initial design concepts to the final touches, ensuring that our ideas were not only heard but also expertly integrated into the project. His creativity and insight into architectural design truly set him apart.The communication with Jeff was excellent; he was always available to answer questions and provide updates. His dedication to the project and his ability to solve problems efficiently made the experience enjoyable and stress-free. I highly recommend Castletree and Jeff for any architectural needs. Their commitment to quality and client satisfaction. Thank you, Jeff, for your outstanding work!“ Rob Morton, Managing Director Hawk group