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37 Years
experience
Award-Winning Architectural Design Services in Brighton & London
We are an award-winning architectural practice with over 28 years of experience delivering residential and commercial design solutions across Europe. Our approach combines creativity with practicality, ensuring every project meets clients' functional, budgetary, and aesthetic requirements. Founded in 1989 by Kevin Thornton, a Royal Institute of British Architects (RIBA) member, we specialise in creating spaces that harmonise with local environments while maintaining international design standards. Our portfolio includes over 1,100 completed projects, ranging from private residences to flagship retail stores. We prioritise responsive client collaboration, tailoring our services to individual needs while maintaining rigorous attention to detail.

Our expertise spans architectural design, interior design, planning applications, and project management. Based in Brighton and London, we serve Sussex and beyond, blending local knowledge with pan-European experience. Our team's marathon-running founder brings a unique perspective to spatial design, informed by decades of athletic discipline and over 40 completed marathons. We maintain transparency in all communications, offering direct contact via phone or email for project consultations.
Services
Residential Design Commercial Architecture Interior Design Project Management Planning Applications
Details
  • Year established: 1989
Highlights and features
  • 28 years of architectural expertise across Europe
  • Tailored service combining creativity and practicality
  • Award-winning designs with proven track record
  • Direct communication with principal architect
  • Specialist knowledge of Brighton & Sussex architecture
Associations and certifications
  • Royal Institute of British Architects (RIBA)
  • Numerous design awards
What people say
Award-winning designs Tailored service Expertise in residential and commercial projects
Services
Residential Design
Creating bespoke residential spaces that combine aesthetic appeal with functional living requirements. Our designs maximise natural light and integrate with local environments while maintaining strict budget controls. We handle all aspects from initial concept to final construction.
Commercial Architecture
Designing commercial spaces that balance brand identity with practical operational needs. Our approach creates visually striking yet functional environments for retail, office, and hospitality sectors, ensuring compliance with commercial regulations and accessibility standards.
Interior Design
Comprehensive interior design services that optimise spatial layouts while maintaining aesthetic coherence. We specialise in creating adaptable spaces that meet evolving business and residential requirements through innovative material selection and lighting design.
Project Management
Full project management from planning approval to construction completion. Our hands-on approach ensures quality control, budget adherence, and timely delivery while coordinating all contractors and regulatory requirements throughout the build process.
Planning Applications
Expert navigation of planning regulations and submission processes. We prepare detailed documentation, handle local authority communications, and implement strategies to maximise approval success rates for both residential and commercial developments.
People
Kevin Thornton
Principal Architect
RIBA member with 28 years' experience, established KTA in 1989. Completed over 1,100 projects across Europe. Holds multiple design awards and combines architectural expertise with athletic discipline from 41 completed marathons.
Questions
What architectural services does KTA offer?
We provide residential and commercial design, interior architecture, planning applications, and full project management services.
How experienced is KTA's team?
With 28 years' experience and over 1,100 completed projects, our RIBA-accredited architect leads all projects directly.
Which areas do you serve?
We operate from Brighton and London, serving Sussex locally and undertaking projects throughout Europe.
Can you handle both residential and commercial projects?
Yes, we specialise in both sectors, with extensive experience in private homes, retail spaces, and commercial properties.
How do you ensure project success?
Through direct client collaboration, practical design solutions, and rigorous attention to budgetary and functional requirements.