Malcolm Maclean


Malcolm is the Director and joint founder of SRE. He is a Qualified BREEAM Accredited Professional (AP), and is licensed to undertake ten of the 13 BREEAM commercial and residential methodologies. He is a licensed Code for Sustainable Homes and SAP Assessor and a qualified Project Manager. Malcolm has been involved in schemes ranging from Eco Towns and Millennium Villages to exemplar housing projects delivering low carbon solutions.

Malcolm has been working in the renewable energy sector since 2002. After studying Architecture at Manchester University, he spent six years in the Army Air Corps before completing an MBA at Cranfield University. Malcolm worked with Scottish Power assessing risk for wind farms and headed up a business unit at SolarCentury before setting up SRE – formerly Malcolm Maclean Consultancy – in 2005.

Malcolm enjoys spending time with his wife and their three boys and wearing his turquoise Hawaiian shirt at parties.

Iain Turrell

Senior Consultant & Key Account Manager

Iain is a qualified Code for Sustainable Homes Assessor, BREEAM Domestic Refurbishment Assessor and PassivHaus designer. Since joining SRE in 2008 Iain has been responsible for SRE’s sustainability work, leading on Sustainability Statements and undertaking PassivHaus modelling and CSH and BREEAM Assessments. Iain also provides technical input into Sustainability Strategies and Planning Applications.

Iain graduated with Distinction from his MSc in Architecture and the Environment at the University of Portsmouth. During his MSc Iain focused on sustainability assessment methods for the built environment. He has a BSc (Hons) from the University of Portsmouth in Sustainable Design and Environmental Management where he has also delivered lectures on thermal modelling of buildings.

Iain worked at The Environment Centre before joining SRE. He is a keen photographer, a car tinkerer and is currently learning to play the ukulele.

Anna Maclean

Business Manager

Anna is a co-founder of SRE and SRE’s Business Manager. She is responsible for personnel, office management and business development.

During her Masters Degree in Geography at Edinburgh University, Anna specialised in environmental issues and ethical trade.  She worked for the environmental consultancy SustainAbility and spent six years working in television and radio before training in horticulture and garden design and setting up her own garden design business.

Anna now balances her SRE role with being a Mummy to her and Malcolm’s three boys.


Nikolaos Protogeros

Senior Energy Consultant

Nikolaos joined SRE in January 2017 bringing with him more than ten years’ experience advising architects and urban designers using advanced computer modelling techniques. He is an accredited Low Carbon Energy Consultant for non-domestic buildings, a BREEAM International assessor and a LEED Green Associate.

As one of SRE’s energy specialists, Nikolaos undertakes SBEM and SAP calculations, Building Performance Specification Summary Reports, Part L1 and L2 compliance, dynamic modelling, daylighting assessments, right of light calculations, urban microclimate analysis and CFD studies.

Nikolaos has an MSc in Sustainable and Ecological Engineering from Aegean University in Greece and a combined BEng and MEng in Civil Engineering from Aristotle University of Thessaloniki in Greece.

In his spare time Nikolaos enjoys reading, cooking and travelling.

Sam Paine

Senior Sustainability Consultant

Sam is a sustainability specialist and as a qualified BREEAM New Construction Assessor undertakes commercial BREEAM assessments and provides technical information for Sustainability Statements. He undertakes BREEAM LZC (low and zero carbon) feasibility reports as well supporting energy modelling.

Sam is currently studying for a PhD at Southampton University so is working reduced hours at SRE. His PhD is focusing on ‘liveable cities’ and the gap between the design and performance of social housing.

When Sam isn't working on Sustainability Statements, he's cooking, watching rugby or walking his dog along the seafront at Southsea.

Xinlong Wang

Energy Consultant

As a qualified Building Service Engineer and PassivHaus Consultant, Xinlong undertakes dynamic energy modelling in support of Building Regulations compliance (Part L). He also carries out Renewable Energy Calculations and Energy Statements.

Xinlong has an MSc in Architectural Engineering: Environmental Design from the University of Bath. In his spare time Xinlong enjoys cooking and travelling. He is also a keen photographer.

William Page

Sustainability Consultant

Will is a BREEAM Assessor and provides technical support and document tracking on BREEAM Assessments. He also inputs on general sustainability within the SRE team.

Will graduated with an MSc in Environmental Science from Aberdeen University. During his Masters he focused on sustainability and the anthropogenic impact on the environment.

In his spare time Will enjoys exploring new places, horse riding and eating.

Martin Skinner

Energy Consultant

Martin has been part of the Energy team at SRE since August 2018 and works on SBEM, SAP and IES thermal simulation projects. He brings with him 15 years of experience in the renewables and built environment sector having worked in the Solar PV industry for design, manufacturing and maintenance companies.

Having graduated with an MSc in Energy Efficient and Sustainable Building and a BEng in Mechanical Engineering, Martin has a good knowledge of building sustainability with a wider engineering background.

In his spare time Martin enjoys outdoor activities, music and guitar playing and spending time in the kitchen cooking at home.

Sarah Beasley

Assistant Sustainability Consultant

Sarah provides technical support and document tracking on BREEAM Assessments and advises on general sustainability within the SRE team.

Sarah graduated from the University of Bristol gaining a BSc in Geography. During her degree, Sarah specialised in past and future climate change focusing on glacial and oceanic processes spurred on by her passion for environmental conservation.

Sarah loves travelling, watching beautiful sunsets and meeting new people. She also enjoys playing the saxophone and having a boogie with her friends to her favourite tunes.

Angela Botham

Office Manager

Angela works part-time for SRE as Office Manager and is responsible for communications.  Angela joined SRE in March 2015 and brings over ten years’ experience working in PR & Events in the non-profit sector.  With a degree in European Business Administration and Languages, Angela loves to travel and spend quality time with her family.

Sarah-Jane Anslow


Sarah-Jane joined the team in July 2018 and keeps SRE’s all-important books in order. She works part-time for various clients and we benefit form her skills and expertise three days a week.

In her spare time Sarah-Jane loves spending quality time with her family and dog, walking, baking and running.