Call us on +44 (0)1273 704901 for your free consultation

About Us

We are multi-skilled in architectural design, energy and building services engineering. This combination of science and creativity means we understand not only how to make a space attractive but also comfortable – warm, efficient and well lit.

We believe the performance of spaces is fundamental when you live in or use a place every day. We start by establishing your priorities and needs, then apply our expertise to achieve what you desire within the challenges of your property and/or site.

We enjoy engaging with the community and take our corporate social responsibilities seriously, playing an active role within our local area:

  • We provide pro bono advice to several community groups in Brighton & Hove to help them lower their energy use.
  • We are members and a director of the Brighton Energy Co-op, Brighton’s first community-owned energy generator.  The project continues to grow and provide sustainable energy, local jobs and provides a return on investment to the co-op’s members keeping the money within the local economy.
  • We are members of the Green Building Partnership, which is a co-operative of companies based in Brighton & Hove whose principle aim is to make Brighton and Hove an exemplar green city by providing professional building refurbishment and energy consultancy services to a wide range of clients.
  • We are friends of ‘The School of the Built Environment’ at Brighton University, employing and mentoring students to bring new people into our industry.  We also lecture and help with end of year critiques.

We are a CIAT registered practice which gives our clients confidence in our team as professionals, we have to adhere to the CIAT code of conduct and we are assessed upon there professional criteria.

We are also CIBSE Low Carbon consultants and Commercial Energy Assessors, this accreditation is also assessed annually to ensure we keep upto date with the latest Building Regulations, Legislation and building products

The Directors

Profile picture - John Smith


John Smith

John has worked in the construction industry since 1989, and specialises in architectural technology, energy engineering, building regulations and building services engineering design. He has worked in numerous sectors of the industry ranging from rail infrastructure, hospitals and education to homes, including high-end residential and multi-residential schemes. John re-trained in architectural technology after an initial career as a senior building services design engineer. His motivation was to offer clients an alternative to the practice of considering energy and running costs after an architect has finalised the design. As an architectural technologist and engineer, John designs with low energy and running costs as standard.

Profile picture - Charlotte Smith

Charlotte Smith

Charlotte has been in the construction industry since 2007.  Her background is scientific research, project management and trades union activities, all of which she applies to her varied role at Cityzen. Charlotte’s specialism is energy reporting and strategies, helping clients achieve challenging carbon reduction requirements at the planning stage and on existing sites.  She also arranges new or upgraded utility supplies, having endless patience with utility companies!  Alongside these responsibilities, Charlotte takes care of Cityzen’s internal functions (finance, HR, business development).



We always get great service from Cityzen, the timeliness and quality of documentation provided has been of benefit to our projects and its always good quality and detailed.

D.Tow  (Director Brighton Energy Coop)

You lot are just brilliant!! Haven’t absorbed all information yet but the ideas are just fantastic and you’ve done more than we could have asked for!!!!

K.G (residential project)

I was very satisfied and impressed by your service, more than I expected for a small work such as mine, and think you offer as well a very good and competitive price for your work and I want to thank you again for your time and excellent service.

L.H. (residential project)

I worked with Cityzen in two capacities on a luxury Kensington Penthouse. Architecturally they were the gate keepers of everything decorative, detail and technical. They were organised to the nth degree and showed a real flare for solving design problems. Lighting and switching for a such a residence is no mean feat; I also worked with them to produce a beautiful lighting scheme that will stand the test of time. Great to work with and they produce great results.

Lawrence Garwood, MD & Creative Director (residential project)

Cityzen provided full architectural and technical services when extending our house. This included designing specifications to a tight carbon index, structural calculations for complex steels, and energy efficiency and energy reclaim elements. All work was to the highest standard, and Cityzen’s expertise on modern and efficient building practices has saved us tens of thousands. In addition to this, they also provided assistance and advice, which allowed us to successfully gain planning permission without going through the expensive appeal process. We are looking forward to working with them on our next project.

H. Cairns (residential client)

Throughout the consultation and planning Cityzen turned what could have been a stressful renovation project into an informative and personable experience. I cannot recommend them highly enough.

Mr & Mrs Sheppard (residential client)

This project has met all our targets, it was completed on time, to budget, improved the experience of users of the hall, and will reduce our carbon footprint and energy costs, It wouldn’t have been possible without Cityzen’s help and support.

Steve Chapman (Chair, Hanover Community Association)

We are delighted to be working with Cityzen on this pioneering project, a company that is committed to low carbon initiatives and sustainability both in their professional and voluntary activities.

James Grugeon (CEO, Environmental Protection UK)