Joshua Harrison

Joshua Harrison

Managing Director

Joshua directs all activities within the office and it's workflow. This covers initiating new conceptual work, principle design work, project oversight, technical design, on-site delivery and project management and developing new relationships with clients and investors.
When not working, he enjoys meeting new people, programming, dining out. Guilty pleasure; sitcoms: Frasier, Friends, Seinfeld and Curb Your Enthusiasm. Favourite city (other than London): Bath. Favourite restaurant: Simpson's in the Strand.



Architect UAP

Kristine is a licensed senior architect (UAP) whose experience spans thirteen years, has interests in continuing to expand her architecture and design skills and knowledge. Previous architectural stints in Asian countries provided her the opportunity
to engage in several key projects, these helped to develop her curiosity in building and construction.
Her last with a Taiwanese architectural firm resulted in the garnering of several prestigious design awards including: IF Design, Best Design, and Red Dot Design in retail design.
She is passionate about experiencing architectural and the visual arts in a European setting.
Home away from home: Librantice




Alex has worked in the architectural field for 7 years and has experience in commercial, residential and arts fields. He was elected as a member of the Union Internationale Des Architectes in 2014 and joined our team in early 2017.
Favourite city: London.



Architect ARB RIBA

Born in Lisbon in 1983, Joana graduated in Architecture in 2006 from the University of Lisbon. With a path touching on the fields of Architecture, Design, Training and Research, she has been practicing architecture since 2007, individually and in collaboration with architectural offices in Portugal, Belgium, Australia and the U.S.A. - New York and San Francisco. These collaborations have helped her to achieve a broad view of building processes and design options, especially for residential and retail spaces. She works alongside the director in overseeing and signing-off drawings before release.
Favourite architectural memory: Park Güell, Gaudi.

Our Architecture Practice

Collectively, our team has over 50 years of experience in efficiently delivering complex architectural work to the highest standard. Our portfolio highlights include Grade 1 listed buildings, modern development cantilevered out of a cliff, unique homes within the AONB and Green Belt and many others across the South-East and London.

Joshua read BA (Hons) architecture at London South Bank University and proceeded to work with Harper Downie Architects in the City. In 2015, as part of a team at Harper Downie architecture, he worked on the largest development project in Europe, Portonovi in Montenegro, a sequence of contemporary London hotels for the ‘Z Hotels’ chain. These were delivered efficiently and are open to the general public.
In profile, our team comprises a group of energetic, enthusiastic and talented designers – we are forward thinking, ambitious and focused. We love to solve problems. We work all around the South-East, within London, Buckinghamshire, Berkshire, Surrey and the cities, towns and villages within. Some of the places we worked within outside of London include: Maidenhead, Beaconsfield, Gerrards Cross, Prestwood, Wycombe, Salisbury, Cookham, Chesham, Amersham among many others.

Our clients are a fundamental part of every project and this dialogue between the parties forms a key component to delivering the very best results for your project.

Head over to the News page to see what we have been up to recently!


Cohanim Architecture is a RIBA Chartered Practice who boast of wide-reaching experience on various building typologies, constraints and budgets. Our built portfolio demonstrates the consistent and efficient delivery of these projects. We are renowned for achieving planning permission in difficult scenarios including on many Grade 1 and 2* listed properties and unfulfilled land.

Our team of professionals has gained planning permission for a multitude of clients and we have an extremely high success ratio with achieving planning for our clients on the first attempt as well as in difficult scenarios. We have won planning permission for Grade-1 listed buildings, Grade 2* listed buildings, ultra-contemporary projects,  subterranean extensions, listed townhouses in Mayfair among many others. We secured planning permission and various letters of support from a multitude of bodies for one of the most prominent and prestigious Ecclesiastical buildings in Britain, St Lawrence Church. The church was rebuilt in 1763 by Sir Francis Dashwood, 11th Baron le Despencer.

Discuss your project with our team of professionals today.

Professional Indemnity

We maintain professional indemnity insurance of £2,000,000. Proof of insurance shown on request.

Memberships & Regulatory Bodies

We maintain membership or affiliate status with various authorities and bodies, these include (as of 2019) RIBA, ARB and HRBA, among others.


Many people ask us about our name, we hope that for the one who is curious, he or she may find the following to be of interest.

Cohanim Architecture translates literally to “Priests ArchitectureorPriestly Architecture“. One may choose to define this spiritually or rather in an ethereal sense with respect to the feelings architecture can conjure.

With regards to the etymological story behind the word Cohanim; the noun Kohen is used to refer to priests in several of the Abrahamic religions.

Pronounced: “CO-HAN-EEM”