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Business Details
50+ Years
experience
Your Trusted Partner for Architectural Design Solutions in London
Established in 1956, Casson Conder Partnership is a Royal Institute of British Architects Chartered Practice with a legacy of delivering contemporary architectural solutions. Our expertise spans residential, commercial, educational, and conservation projects, with a particular focus on listed buildings, extensions, and conversions. We prioritise client relationships, combining technical proficiency with creative design to maximise value while adhering to budgets and timelines. Our team specialises in navigating complex planning requirements, including listed building consents and sustainable design standards, ensuring practical yet innovative outcomes.

With decades of experience, we are committed to architectural excellence, evidenced by award-winning projects across the UK, from private residences to institutional developments. Our approach integrates traditional craftsmanship with modern methodologies, reflecting our dedication to quality, durability, and contextual sensitivity in every project we undertake.
Services
Residential Architecture Commercial Buildings Educational Facilities Conservation & Restoration Interior Design
Details
  • Year established: 1956
Highlights and features
  • We have over 65 years of experience in architectural design and conservation.
  • Our team specialises in navigating complex listed building and planning consents.
  • Client relationships are built on transparency, technical expertise, and reliability.
  • We deliver creative solutions that balance heritage preservation with modern needs.
  • Award-winning projects demonstrate our commitment to architectural excellence.
Associations and certifications
  • Royal Institute of British Architects (RIBA)
Services
Residential Architecture
We specialise in creating bespoke residential spaces, from new builds to renovations. Our services include basement excavations, extensions, and conversions while preserving architectural integrity. Clients benefit from tailored layouts that maximise natural light and functionality, ensuring homes meet modern living standards without compromising historical character.
Commercial Buildings
Our commercial architecture focuses on functional, aesthetically striking workspaces. We handle office refurbishments, retail developments, and mixed-use schemes. Projects integrate sustainable materials and energy-efficient systems, enhancing productivity while complying with planning regulations and accessibility standards for long-term value.
Conservation & Restoration
Expertise in listed buildings and conservation areas defines our heritage practice. We meticulously restore original features using traditional techniques while introducing modern amenities. Our approach ensures compliance with English Heritage guidelines, maintaining structural authenticity and cultural significance for future generations.
Educational Facilities
We design inspiring educational environments tailored to students' and staff needs. Services include auditoriums, classrooms, and student residences. Our projects prioritise flexible layouts, natural lighting, and sustainable materials, fostering spaces that enhance learning outcomes and community engagement.
Interior Design
Our interior design services focus on creating cohesive, functional interiors aligned with architectural vision. From bespoke joinery to material selection, we ensure seamless integration with building structures. Attention to detail and ergonomics delivers spaces that balance aesthetics with practicality for residential and commercial clients.
Questions
What architectural services does Casson Conder Partnership offer?
We provide residential, commercial, educational, and conservation architecture, including listed building renovations, new builds, and interior design.
Do you specialise in working with listed buildings?
Yes, we have extensive expertise in conservation, including obtaining listed building consents and restoring historical features using traditional methods.
Can you handle complex planning requirements?
Our team specialises in navigating planning permissions, conservation area consents, and sustainable design standards for challenging projects.
What areas do you operate in?
We work across London, the South East, and nationwide, with recent projects in Devon, North Wales, and Cambridge.