Business Details
22 Years
experience
Award-Winning Architects in York
Mass Architecture is a dynamic design-led practice founded by Charlotte Harrison and Glen McGowan in 2004. Initially based in London, we relocated to York in 2009 and have since delivered diverse projects across Yorkshire and the North. Our reputation for distinctive design has earned multiple awards, reflecting our commitment to excellence in both London and Yorkshire. We prioritise a collaborative, tailored approach, guided by a passionate team of architects and designers. Our philosophy centres on delivering exceptional design with a personal touch, ensuring every project is functional, inspiring, and contextually sensitive. We serve local, regional, and national clients, bringing creative solutions to architectural challenges.Charlotte and Glen lead a team with extensive experience in historic and contemporary architecture, combining technical expertise with a deep understanding of conservation principles. Our work spans residential, commercial, community, and historic sectors, with a focus on sensitive extensions, refurbishments, and new builds within historic environments. Client testimonials highlight our professionalism, responsiveness, and creative eye for detail. We pride ourselves on transforming spaces into lasting legacies, whether adapting historic structures or creating modern designs within traditional settings.
Services
Architectural Design
Historic Building Refurbishment
Residential Extensions
Commercial Architecture
Community Projects
Details
- Year established: 2004
Highlights and features
- We have over 20 years of experience in architectural design and refurbishment.
- Our team combines expertise in both historic conservation and modern architecture.
- We offer a collaborative, client-focused approach tailored to individual project needs.
- Award-winning practice with a proven track record in Yorkshire and the North.
- Our directors have led high-profile projects for institutions like the University of York.
What people say
Professional and responsive
Creative eye for design
Transformed derelict barn
First-class service
Pleasure to work with
Services
Architectural Design
We create contemporary architectural designs that respect historical contexts. Our process involves collaborative client engagement to develop functional, inspiring spaces. Projects include new builds and adaptations within historic urban environments.
Historic Building Refurbishment
Specialist refurbishment of listed buildings and heritage sites. We balance modern functionality with preservation principles. Our expertise ensures compliance with conservation area regulations and planning authorities.
Residential Extensions
Design and delivery of residential extensions that enhance living spaces. We focus on seamless integration with existing structures. Services include planning applications and coordination with specialist contractors.
Commercial Architecture
Tailored commercial architecture solutions for office, retail, and hospitality sectors. We create spaces that optimise functionality while maintaining aesthetic appeal. Projects often involve listed building adaptations.
Community Projects
Design services for community and cultural facilities. We work closely with stakeholders to create inclusive spaces. Recent projects include theatre renovations and community halls.
People
Charlotte Harrison
Partner
Co-founder with over 20 years' experience in architectural design and refurbishment. Specialises in commercial, community, and residential sectors. Previously taught design at universities in London, Leeds, and Sheffield.
Glen McGowan
Partner
Co-founder specialising in historic buildings and conservation. Holds a Masters in Conservation Studies from the University of York. Former chair of the Friends of York Walls charity.
Ross Harrison
Senior Architect
Brings technical expertise to projects with over ten years' experience. Qualified architect with background in high-value commercial and residential developments. Focuses on construction phase delivery.
Nick Walters
Architectural Assistant
Senior assistant with RIBA Parts 1 and 2 qualifications. Experience in new-build residential and care home projects. Previously worked on modular building designs with Yorkon Ltd.
Murray Taylor
Architectural Technologist
Technologist with international experience across Pretoria, Johannesburg, and London. Expertise in BIM and technical detailing. Worked on landmark projects including Battersea Power Station.
Questions
What architectural services do you specialise in?
We specialise in contemporary architectural design, historic building refurbishment, residential extensions, commercial architecture, and community projects.
Do you work on listed buildings?
Yes, we have extensive experience with listed buildings, combining conservation principles with modern design solutions.
Are you based in York?
Yes, our practice has been based in York since 2009, serving clients across Yorkshire and the North.
How do you approach client collaboration?
We adopt a tailored, collaborative approach, working closely with clients throughout the design and construction process.
What awards have you won?
We have received multiple awards for our work in London and Yorkshire, recognising our distinctive design approach.
Can you help with planning applications?
Yes, we guide clients through the planning process, including applications for conservation areas and listed buildings.
