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 held the financial fort since she joined BTC in 2011 as a graduate of finance accountancy. Her role from basic bookkeeping and reconciling payments has advanced strategizing for company growth. She is happy being part of a company that makes a positive contribution to the environment. She enjoys swimming and conquering her fears.

Joining us a builder in 2014, Damian has risen through the ranks and is now one of our most trusted and experienced site managers. He has excellent knowledge of construction skills and knows how to achieve a fine finish. He led the team at the RIBA and SECBE nominated Max Fordham House. He holds GNVQ level 3 in construction site management.

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.

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.

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.

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.

Our versatile Assistant Project Manager, ready to steer our project towards success. Supporting both the Site and Project Managers, Aggie brings a wealth of expertise to the table. In the tender stage, she meticulously curated and secured all quotations, laying a solid foundation for our project’s progress. As we move into stage two, her focus remains sharp as she leads the gathering of quotes and specifications with seamless coordination. With over eight years of experience as a buyer across various industries, Aggie’s skills are unmatched. Her keen eye for detail and adept negotiation make her a valuable asset. Leveraging this knowledge, Aggie is dedicated to sourcing materials and services at the best prices while maintaining strong relationships with contractors and suppliers. Rest assured, with Aggie at the helm, our project is in capable hands, poised for success every step of the way.

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!