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Meet the team

Geordie Stewart

Cosy Homes Oxfordshire Scheme Manager (RetrofitWorks)

A skilled construction and project manager with over 25 years of international experience, Geordie is passionate about sustainable and energy-efficient solutions in the built environment. He is a trained Retrofit Coordinator and manages the Cosy Homes Oxfordshire team based in Charlbury, Oxfordshire.

Geordie gained a distinction in his MSc in Architecture and Advanced Environmental and Energy Studies at the Centre for Alternative Technology (CAT) and the University of East London.

See Geordie’s full profile on LinkedIn.

Natasha Ginks

Natasha Ginks

Retrofit Coordinator

With nearly a decade of experience working in sustainable renovation energy efficiency and renewables, Natasha is a skilled project manager helping people tackle the climate crisis by reducing the carbon footprint of their homes.

She is a qualified Retrofit Coordinator under PAS 2035 and has also completed an extensive eco-renovation on her own property using reclaimed materials and Passivhaus principles.

She is the founder of Renovate Green, a consultancy dedicated to sustainable home renovation.

See Natasha’s full profile on LinkedIn.

Lina Budde-Manning

Project Administrator

Lina has been engaged with the sustainable construction industry for the past 8 years, initially working for the wood fibre manufacturer Pavatex. She continued to expand her knowledge studying Geography at Manchester Metropolitan University, taking modules including Sustainable Development; People, Place & Planning; and writing her thesis on ‘Barriers to the Uptake in Sustainable Insulation in England’. Since graduating Lina has applied her experience at Cosy Homes Oxfordshire.

See Lina’s full profile on LinkedIn.

Arantxa Mathias

Client Support Coordinator (RetrofitWorks)

Arantxa is the key point of contact for new customers and existing customers up to the point of retrofit work starting on your home. She will be coordinating and guiding you through the process and supporting any queries you may have.

An experienced administrator, Arantxa has previously worked in customer services for the hospitality, design and Innovation sectors. She is based in our Charlbury office and is enjoying supporting the team and developing her knowledge of retrofit.

David O’Neill

Membership and Supply Chain Manager (RetrofitWorks)

David is responsible for building up and supporting our membership network of trusted contractors, installers, and architects to provide a quality whole-house retrofit service.

David’s relationship with RetrofitWorks (RW) spans almost a decade. While David is a qualified Gas Safe engineer, RW transformed his perspective to embrace the whole-house concept. He is now also a qualified Retrofit Coordinator.

Amongst many other projects, David managed the Electrification of Heat Demonstration Project at RW, funded by BEIS, successfully installing 742 heat pumps in diverse housing types despite the challenges of the Covid-19 pandemic, and has also been supporting his colleagues in delivering the £43 million Warmer Homes Programme.

What inspires David about Cosy Homes Oxfordshire is the ongoing commitment via the retrofit model to improving the comfort and energy performance of the home, underlined by quality and trust in our members.

Cathy Ryan

Community Engagement Manager (Low Carbon Hub)

Cathy is the Community Engagement Manager for Low Carbon Hub and supports our Cosy Homes Community Advocate Groups by attending events and holding regular meetings.

Having previously worked with a theatre company exploring the effects of homelessness on the lives of young people, Cathy has developed a lasting interest in housing. She is Chair of Hook Norton Community Land Trust, developing a community-led housing project of affordable, sustainable homes.

Christian Guthier

Senior Marketing and Communications Coordinator (Low Carbon Hub)

Christian Guthier is a seasoned communications professional with extensive experience. He supports marketing and communications activity for Cosy Homes Oxfordshire across all online and offline channels, focusing on how individuals and communities can make a difference for the environment while improving their homes.

See Christian’s full profile on LinkedIn.

Tim Lunel

Project Manager for Cosy Homes Oxfordshire

Tim is an experienced project manager. He was Chief Executive of The National Energy Foundation 2005-2012, and is Chair of the Microgeneration Certification Scheme – so he has been working in the home energy sphere for much of his career. During that time, the technologies to improve the fabric of buildings and low carbon technologies have improved significantly, and the UK has made progress in decarbonising its grid.

Tim is the Treasurer of Hook Norton Community Land Trust and has led the project to get planning permission for 12 new-build PassivHaus homes. He is the Company Secretary of Hook Norton Low Carbon Limited – a low carbon community group that was awarded the status of Energy Neutral Village in 2014 in the ACE Awards (Academy of Champions for Energy), one of Europe’s most high-profile events that recognise achievements in renewable and sustainable community energy.

See Tim’s full profile on LinkedIn

Russell Smith

Russell Smith

Founder of RetrofitWorks and Parity Projects, and Cosy Homes Oxfordshire project partner

Russell is a chartered civil engineer with years of experience in retrofitting and is the founder of both Parity Projects (leading exponents of retrofit expertise for larger-scale approaches) and RetrofitWorks.

He has run a number of large-scale retrofit programmes – most recently the £4.5m Warmer Homes programme on behalf of the Mayor of London, and is involved in a 250 heat pump roll-out for OVO energy. As MD of Parity Projects, he has worked with the Greater Manchester Combined Authority to build a model of their 1.5m homes, and a national retrofit model to support plans for a National Retrofit Programme for the Construction Leadership Council.

Widely recognised as an industry expert, Russell is a regular speaker at conferences and a contributor to industry publications.  Take a look at the RetrofitWorks LinkedIn posts for links to his latest interviews, articles and podcasts.

See Russell’s full profile on LinkedIn.

Contact us

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