Our Team

Elena Andreou

Low Energy Designer

Elena studied Architecture at the National Technical University of Athens, Greece. After her studies, she came to London where she did her MSc in Environmental Design and Engineering at UCL and also qualified as a CORE Retrofit Coordinator.

She then worked with a large architectural practice on a government retrofit scheme for existing dwellings before joining Enhabit.

At Enhabit, Elena was responsible for the general design of the Richmond new-build featured on Grand Designs in October 2018 and works on the energy design and construction of low energy residential projects, both new build and renovations.  She has been involved in Passivhaus and Enerphit projects and is head of MVHR design.

Kaspar Bradshaw

Project Engineer

Kaspar studied mechanical engineering and renewable energy systems at Dundee University. One year of his studies was spent in Germany at Stralsund Fachhochshule where he focused on solar and wind energy. Following university Kaspar worked as a Heating and Solar Thermal Engineer installing residential and commercial solar hot water systems. He later went on to work in Ghana, West Africa, where he installed grid-tied and also stand-alone solar PV systems. He currently designs and manages the installation of MVHR, Solar and Mechanical projects.

John Brooks

Finance Director

John is a chartered accountant, joining Enhabit after four years at Ernst and Young. John has developed expertise in managing the finances of small companies and works to deliver all reporting and budgeting at the company. He has a degree in international relations from St Andrews University.

Patrick Chester

Project Manager and Passivhaus Consultant

Patrick discovered his calling for environmentally-conscious design when he worked in Malaysia as a project manager for a social enterprise that built homes for the country’s indigenous communities. Upon his return to England he began working at Enhabit, and he now helps to bring ideas on sustainable building and low energy design to clients across the UK. Patrick studied English and French Literature at the University of York and originally worked in communications. He is Enhabit’s MVHR Commissioning technician and also leads airtightness forensic and compliance testing for energy efficient buildings as an ATTMA TSL1 and BS EN:13829 qualified technician.

Andrew Fisher

Passivhaus Consultant – Norwich Team

Andrew has demonstrable experience in Passivhaus design and delivery having worked on projects from one-off bespoke dwellings to large scale (100+ unit) certified Passivhaus projects.

Andrew adopts a hands-on approach, supporting projects from conception, through construction to occupation. This includes working with architects, contractors, clients and manufacturers to develop products and processes to achieve Passivhaus standards.

He also led the delivery of the Certified Passivhaus Designer Course with Alex Honey, and to date they have trained 50% of the UK’s Certified Passivhaus Tradespersons.

In addition to his CEPH, ocDEA, Thermal Modelling accreditations, he has also recently completed his Level 3&4 NDEA certification.

Alex Honey

Passivhaus Designer – Norwich Team

Alex has over twenty years of experience working for multinational companies in the construction industry. His roles varied from working on site as a setting out engineer, to formulating concrete trial mixes in the laboratory for prestigious projects, to lecturing on concrete and cement technology.

For the last ten years, Alex has been involved with numerous Passivhaus projects either as Passivhaus Designer, Clerk of Works, Air Pressure Tester or MVHR commissioner.

He has also assisted in training around 50% of the UK’s Certified Passivhaus Tradespersons and developed an accredited City & Guilds 30hr module on Low Energy Building Principles for use nationwide. He also works as a Health and Safety Manager for a national contactor in the aviation, oil, gas and energy sectors.

Christopher Hughes

Project Engineer and Passivhaus Designer

Chris joined us in 2015 having graduated from the University of Oxford with a degree in engineering. He designs renewable energy systems, manages installations and performs a range of energy modelling tasks. Chris is one of Enhabit’s certified Passivhaus designers.

Dushyant Karnik

Building Physics Engineer

Dushyant has recently finished his Master’s in Construction Management from GCU London, following a bachelors degree in Architecture from University of Pune. He joins Enhabit to help manage low energy building design and architectural services. He has a firm grounding in low energy design.

Kostas Megagiannis

Building Physics Engineer

Konstantinos (Kostas) has a strong interest in sustainability and low energy design which made him achieve a distinction in his MSc Sustainable Architecture Studies at the University of Sheffield, following a Master’s degree in Civil Engineering.

He participated in the MC2017 Masters Conference People and Buildings in London, and his paper on Hygrothermal Performance Assessments in Retrofit projects was published. He has worked as a Sustainability Consultant helping a non-profit organization to embody the PassivHaus principles in the design and construction of low energy container houses.

Konstantinos joined Enhabit in early 2018 and manages low energy building design and consultancy services.

John Palmer

Managing Director

John joined the Company in December 2014 having previously run his own low energy design consultancy where he led a number of mid-scale developments.  John is a certified Passivhaus consultant, SAP Assessor, systems engineer and experienced project manager.  Prior to entering the construction sector, John spent 16 years as an engineering officer in the Royal Navy, which included three years at the Ministry of Defence.  John has a degree in engineering from the University of Cambridge.

Karla Paz Sans

Project Manager B.Eng. – M.Arch. – MCIOB

Karla is a Building Engineer with more than 12 years of experience gained within the architecture sector, with proven success as a Project and Construction Manager in the UK, Spain and Ghana. Karla completed both a Master’s Degree on Sustainable Architecture and one in International Cooperation for Development and has a Diploma in Construction Senior Management. Karla is particularly interested in eco-effective architecture and regenerative development projects, which has taken her to work in remote areas of Ghana and Philippines. In 2017 Karla project managed the development of a number of Enhabit Passivhaus and EnerPHit building developments in London.

Sarah Price

Head of Building Physics and Consultancy

Sarah has experience of working on a wide variety of projects related to energy in the built environment from concept through to commissioning, and in 2011 she wrote the city wide energy strategy for Birmingham City Council. More recently she has specialised in project delivery, managing several Innovate UK projects and is now embarking on a BEIS funded project to develop a new external cladding system to achieve 80% reduction in carbon emissions in a single step.  She is a specialist in the technical performance in buildings including thermal bridge analysis, energy modelling, moisture, MVHR and has a deep understanding of the relationship between different building performance standards in the UK from Building Regulations to Passivhaus. Sarah has a first class honours degree in Physics from the University of Nottingham and a PhD in physics from the University of Birmingham.

Akta Raja

Director / Founder

Akta co-founded the business and led the company though its R&D phase and arranged its sale to Ansor Ventures to accelerate its growth. Akta has a deep understanding of the energy efficiency market and will focus on the company’s acquisition strategy. Akta has a degree in law from the University of Cambridge.

Michael Sollaris

Passivhaus Designer – Norwich Team

Michael is an energy consultant working in the industry for many years on both commercial and residential projects.

Prior to joining the Norwich team he worked in San Francisco and France as an Energy Consultant, during which time he carried out more than 300 energy audits on a range of building types – taking measurements, analysing data and creating models of the buildings using Dynamic Simulation. He continues to do so with IES (DSM), working on prestigious projects throughout the eastern region including Lotus Engineering and Norwich City Football Youth Academy.

Michael is also a Certified Passivhaus Designer and works on a variety of projects to support them to achieve the Certified Passivhaus standard or Passivhaus Low Energy standard.

Carlo Stramacci

Graduate Project Engineer

Carlo studied Mechanical Engineering at the University of La Sapienza in Rome. His passion for the field of sustainability led him to first gain an MSc in Renewable Energy and Resource Management at the University of South Wales and then attend the Passivhaus Designer course at the PH Institut in Darmstadt, Germany.

Carlo worked for a number of years as an electrician before and during his university education, acquiring competency on site in electrical building services and project management. Once he completed his academic studies he worked in Rome as a building services engineer before joining Enhabit in early 2019.

Mark Clare


Mark was group chief executive at Barratt Developments plc between October 2006 and June 2015 and has also served as a trustee of the Building Research Establishment and the UK Green Building Council. Prior to joining Barratt, he was an executive director of Centrica plc and held a number of senior roles both within Centrica plc and British Gas. Mark has also been a non-executive director of BAA plc, the airports operator.

Mark brings a wealth of experience in both the construction and energy sectors which allows him to offer a unique perspective to Enhabit’s management team.

Edward Ainsworth

Non Executive Director

Ed is the co-founder of Ansor Ventures and is actively involved in the growth and management of the portfolio companies. Ed has a particular focus on building management teams, raising investment and executing acquisitions. Ed was previously a partner in the San Francisco office of the global consulting firm Oliver Wyman. Ed holds an INSEAD MBA with Distinction and an MA and BA in Economics from Cambridge University.

Peter Marson

Non Executive Director

Peter is the co-founder of Ansor Ventures and is actively involved in the growth and management of the portfolio companies. Peter has a particular focus on identifying new business opportunities and developing strategies to enable the businesses to achieve accelerated growth. Peter was previously a partner in the London office of Oliver Wyman. He holds an INSEAD MBA with Distinction and a MEng, MA and BA from Cambridge University.

We are an award winning team of engineers, architects and building professionals who are passionate about the health of both our built environment and our planet.

The UK’s buildings are responsible for over 20% of the UK’s carbon emissions and thus producing low-energy buildings must be a key priority if we, as a nation, are serious about taking action to improve energy security and meeting our carbon emission targets.

We’ve designed passivhaus retrofits (the first two in the UK), passivhaus new-builds, developed programmes for retrofitting social housing property and saving energy in hair salons and helped over 300 clients build or renovate warmer and more comfortable homes.

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Contact us to find out how we can help you to take control of your project.

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