Alex Clifford
I have an extensive Design and Project Management background with over 25 years in the Retail, Leisure, Office Design and Residential Design and Construction sectors and have completed my own award winning design and build of a low energy Passive House. I am a Certified Passive House Designer, have completed the AECB CarbonLite Retrofit training course and am part of the AECB approved Certification group. I am qualified as a PAS 2035 Retrofit Co-ordinator and Retrofit Assessor having completed a level 5 diploma in Retrofit Coordination and risk management and level 4 diploma in Retrofit Assessment. and hold a Level 3 Award in Energy Efficiency for Older and Traditional Buildings.
I am a member of the AECB (Association for Environment Conscious Building), the PassivHaus Trust and The Green Register as well as a supporter of SPAB (The Society for the Protection of Ancient Buildings)..
Clifford Design Ltd offer Passive House and Retrofit consultancy services in Surrey and the Home Counties.
Clifford Design Ltd aim to help and support clients on their journey to designing and building or Retrofitting a low energy and sustainable home using Passive House principles. They are able to help at all stages from early pre-planning with design principals through to offering design and on site technical advice towards gaining Passive House certification and the AECB Retrofit standard for existing homes. We recognise that clients come with differing experience of the design and build process and are likely to require varying levels of support. As such clients can use our services as much or little as they require to ensure a smooth Design and Build process.
We undertake Consultancy work in New build & Retrofit Design, Design Management and Client Representation specialising in Low Energy and sustainable homes .
Please feel free to contact us if you are considering embarking on a Passive House or Low energy build and would like help with Passive House Design, Project Management or Client Liaison.
Winner – Guildford Society Design Awards 2020 Individual House category
I am very pleased to announce that my Design and Build Passive House has won the Guildford Society Design Awards 2020 in the Individual House category. It is great to have the project recognised by local Architects and the Council and to receive the positive comments from the judges on their visit.
Qualifications
Ba Hons 3d Design, Product
Certified Passive House Designer
AECB CarbonLite Retrofit Foundation course
Retrofit Coordination and Risk management, level 5
Retrofit Assessor, level 4
Domestic Energy Assessment, level 3
Energy Efficiency Measures for Older and Traditional Buildings, level 3
Passive House CPD
It is a requirement to stay at the forefront of best practice and undertake extensive CPD courses to maintain The Passive House Designer qualification. Certification is renewed every 5 years.
Courses
AECB CarbonLite Passivhaus Planning Package (PHPP) Course
Component method for residential retrofit – Passivhaus Trust
PHPP & designPH Surgery Pilot – Passivhaus Trust
CPD Events
International Passive House Association
Calculating heat losses through the ground – 04/03/2026
Window replacement solutions from the Component Award 2026 – 06/05/2026
Catalonia’s first all-electric PH elderly care home – 04/02/2026
From firehouse to Passive House: Engine 16, New York City – 03/12/2025
The CLT 8-floor ANMF hotel in Melbourne, Australia, with heritage overlay – 19/11/2025
Heating with heat pumps in Passive House retrofits – 01/10/2025
Certified Construction and Renovation Systems for Passive House buildings – 02/06/2025
The embodied energy Passive House Tool – 04/06/2025
Certified Components for efficient and comfortable office buildings – 12/02/2025
China’s first certified Passive House Premium office building – 04/12/2024
Electrify Responsibly with Passive House – 06/11/2024
A Welsh pattern-book approach for delivering Passive House – 09/10/2024
A practical introduction to EasyPH – 18/09/2024
Two pilot EnerPHit unit projects in Italy and Portugal – 10/07/2024
Cold Air Distribution – a novel approach to meeting Passive House Cooling Loads? – 05/06/2024
Vancouver Passive House Policy and the Fire Hall 17 – 08/05/2024
Passivhaus policy and legislation in Scotland – 17/04/2024
outPHit single-family concept retrofit in Germany – 13/03/2024
Eternal growth? Degrowth? Energy Efficiency for a somewhat different approach – 07/02/2024
The state of Passive House in Latin America – 06/12/2024
Passive House Training Centre in Trier – 08/11/2023
Passive House for Everyone: Educating a new generation – 11/10/2023
Do it yourself efficiency measures: EfficiencyNow – 07/06/2023
Project Spotlight: Supermarkets – 10/05/2023
Passive House Airtightness and the blower door test – 29/03/2023
Passive House hospitals and health care centres – 01/02/2023
Updates to the building certification criteria for Passive House, EnerPHit and PHI Low Energy Building – 07/12/2023
EnerPHit Step-by-Step in Barcelona – 02/11/2023
Verdi school in Collecchio, Parma, Italy – a successful EnerPHit project – 06/07/2022
Passivhaus Trust
Summer Comfort in a Warming World – 10/09/2025
UK Passivhaus Conference 17/09/2024 – Passivhaus Trust
Passivhaus Retrofit Masterclass Lecture Series, Step-by-step retrofit – 23/02/2022
Passivhaus Retrofit Masterclass Lecture Series, Cavity construction retrofit – 27/01/2022
Coaction Training
Lucy Cavendish College, Cambridge – Certified Passivhaus New Build – 29/05/2025
Coaction Trainer Case Studies – Webinar Series 22/05/2025 –
Harris Academy, London – Certified Passivhaus New Build – 15/05/2025
Riverside School, Perth Scotland – Certified Passivhaus New Build – 08/05/2025
Cedar Court, Woodside, Glasgow – EnerPHit – 01/05/2025
East Lothian Home, Scotland – towards EnerPHit – 03/04/2025
Carlton Chapel House, London – part 2 services – EnerPHit – 27/03/2025
Carlton Chapel House, London – part 1 building fabric – EnerPHit – 20/03/2025
Greenhaus, Manchester – Certified Passivhaus New Build – 06/03/2025
Entopia Building, Cambridge – EnerPHit – 27/02/2025
AECB
Retrofit Now Conference – 27/09/2024
Retrofit CPD
Centre for Building Conservation Studies
Brick Building Surveys
Surveying Listed Buildings
High Risk Surveys Failed Retrofit Case Study
Structural Issues
Historic timber-frame surveys
Failed Eco4 funded retrofit case study
AECB
Achieving AECB CarbonLite Retrofit on a heritage building
Welsh ‘Future Homes’ Consultation: Make It CarbonLite!
AECB and Social Housing in the Scottish Borders
The Green Register
Retrofitting Traditional Buildings
Retrofitting Traditional Buildings case studies
VAT in Retrofit, Maximising zero rating opportunities
STBA
BS40104: Domestic Retrofit Assessment-implications for traditional and heritage buildings
Heritage Retrofit Methodology: A Comprehensive Guide for Sustainable Transformation
Natural Materials in Retrofit: Building Standards, Regulations and Compliance for Traditional Buildings
RIBA South Conservation
Restoring 18th century thatched Cob houses
SPAB
Baselining Buildings with Diane Hubbard
Keymer Tiles and Weinberger Factory tour
UK Centre for Moisture in Buildings
Can AI predict damp risk?
What 25 Years Listening to Patients with Aspergillosis Teaches Us on Damp/Mould
Questions about Green aesthetics, Damp realities: Indoor plants and humidity in focus
Moisture Management in buildings
How the fungal kingdom is adapting to the built environment
Ecological Building systems
Internal Wall Insulation Systems for Single Leaf Masonry Walls
Mesh Energy
A systematic approach to monitoring damp and mould in buildings Colin King
MVHR and Building Regulation F
Challenges to Retrofitting the UK housing stock
Introduction to Renewables and the Energy Hierarchy
How to get an existing home renewables ready