Our Team

Rafael Delimata is an extremely experienced professional who has spent many years project managing a wide range of construction contracts. He is proud to specialise in low energy, sustainable housing, and in bringing innovation, imagination and technical excellence to your dream home. He is an insulation and Passive House specialist and heads up our R&D projects.

Magda has been an integral part of our company since 2011, serving as the Finance Director and guiding us through various stages of growth.  Her experience and financial expertise ensure the stabilization of our company while balancing the financial demands of each project. Magda’s strategic oversight includes budgeting, forecasting, and financial analysis, which are crucial for sustainable growth. Her proactive approach to risk management and commitment to financial integrity make her a cornerstone of our success, driving the financial health of our company and supporting our vision for the future.

Ewa brings a unique perspective to our team with her background in architecture and the recent completion of the prestigious Level 5 Retrofit Coordination and Risk Management course. Passionate about sustainability, Ewa firmly believes that homes are sacred spaces where every detail should reflect the essence and personality of those who dwell within. Embracing collaboration and effective communication, Ewa champions the idea that great achievements stem from cohesive teamwork. With a rich background in high-end construction, particularly in London, Ewa approaches each project with a commitment to excellence, believing that less is indeed more.

Aggie is our dedicated Procurement and Purchase Manager, bringing over thirteen years of diverse industry experience to our projects. Known for her meticulous attention to detail and exceptional negotiation skills, she expertly curates and secures quotations during the tender stage, ensuring a solid foundation for project success. In subsequent stages, Aggie leads the coordination of quotes and specifications, always focused on sourcing high-quality materials and services at the best prices. Her strong relationships with contractors and suppliers make her an invaluable asset, ensuring our projects are in capable hands and poised for success.

Jamie joins our team as a Project Manager, bringing a wealth of expertise as a qualified architect. His extensive knowledge in design empowers him to transform innovative concepts into reality. With a keen understanding of construction processes and project management, Jamie is dedicated to overseeing all phases of our projects, ensuring they are executed on time and within budget. His ability to collaborate with various stakeholders, from architects to contractors, ensures seamless communication and execution throughout the project lifecycle. Jamie’s commitment to quality and detail drives the success of each project, making him a valuable addition to our team.

One of our most experienced builders, Slawek is also a certified Icynene insulation spray foam installer. His projects have ranged in value from £400k – £3.6M. He is excellent at motivating his team who always have a can-do attitude. He comes from a long lineage of butchers and is our in-house sausage sommelier and Christmas party DJ.

Adrian, the dynamic force propelling our construction projects forward. With a solid foundation in architectural education and a wealth of experience gleaned from diverse construction sites across London, Adrian’s journey commenced as a skilled joiner at Bow Tie, where his exceptional talent captured the attention of Rafael, propelling him into the esteemed role of Site Manager. Adrian has undertaken numerous courses to elevate his skills and knowledge. A standout achievement in Adrian’s career is the successful completion of the Passive House project in Harpenden, showcasing his expertise in sustainable construction practices. Beyond the construction site, Adrian finds fulfilment in exploring the world’s wonders through travel and embracing competition in the volleyball league.

Introducing Michael, our esteemed Site Manager, whose journey into construction commenced amidst the vibrant environment of Building Hall Mark Estate, where he immersed himself in the industry. His passion for joinery ignited there, laying the groundwork for his specialization. With a Level 4 NVQ Diploma in Construction Site Supervision and SMSTS certification, Michael boasts a solid foundation of knowledge. His track record speaks volumes, including his pivotal role in the award-winning Notting Hill Deep Retrofit project. Under Michael’s guidance, expect nothing less than excellence. His dedication and expertise ensure your project is in capable hands, poised for success.

With a degree in Architecture from India, Vandana has delivered many UK residential architecture projects to RIBA Stage 6 as well as projects in the renewable energy sector. She is passionate about design and build of green housing that helps reduce our CO2 footprint. She feels she is achieving this goal by working with Bow Tie Construction alongside a diverse team of professionals. She enjoys reading, playing keyboard, gardening, walking and hiking.

With a masters in economics and finance, Aga is our purchase ledger clerk. She supports our foremen and management by ensuring our project management platform stays up to date. She is also a paraglider, often  travelling to Europe to enjoy her hobby.

Leire has been a dedicated member of our Bow Tie team for quite some time, balancing her work here while pursuing her MSc in Architectural Technology and Design at Leeds Beckett University, from which she graduated last year. Her commitment to continuous learning and professional growth is evident in her exceptional proficiency with Revit and expertise in BIM management.

Leire excels at integrating sustainable mechanical systems into our projects, ensuring we meet all building requirements and regulations, with every detail meticulously planned at the design stage. She believes that sustainable principles can be seamlessly applied to projects of all scales, enhancing the environment and improving lives globally.

Outside of work, Leire enjoys traveling, trekking, and cooking up a Mediterranean feast!