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Business Details
50 Years
experience
Trusted Architects and Town Planning Experts in Colchester
Established in 1976, ADP is a Colchester-based consultancy offering integrated architecture, urban design, and town planning services. Our multidisciplinary approach ensures alignment between planning and design strategies, delivering sustainable developments across residential, commercial, and public sectors. With over four decades of experience, we specialise in navigating complex planning processes, including Green Belt developments and listed building alterations.

Our team, led by directors David Rose, Stephen Sanderson, and Andrew Ransome, prioritises client collaboration, combining creative vision with technical expertise to transform projects from concept to completion. We operate nationwide, with a focus on Essex, Suffolk, Kent, and London, maintaining a reputation for high-quality, context-sensitive design solutions.
Services
Architecture Town Planning Urban Design Technical Design Residential Development Planning Appeals Green Belt Consultancy Building Regulations Public Consultations Land Promotion
Details
  • Year established: 1976
Highlights and features
  • We have over 40 years of experience in architecture and town planning.
  • Our integrated approach aligns design and planning strategies for optimal results.
  • We specialise in complex Green Belt and listed building projects.
  • Our directors lead with expertise in navigating planning regulations.
  • We deliver nationwide projects with a focus on client collaboration.
Associations and certifications
  • Royal Town Planning Institute (RTPI)
Services
Architecture
ADP provides full architectural services, including new homes, residential extensions, and commercial developments. Our designs prioritise functionality, sustainability, and aesthetic value. With expertise in listed buildings and conversions, we ensure projects meet planning requirements while exceeding client expectations.
Town Planning
We specialise in planning applications, appeals, and Green Belt developments. Our strategic approach includes feasibility assessments, public consultations, and enforcement resolution. With RTPI-accredited planners, we secure permissions for residential, commercial, and rural projects across England.
Technical Design
Our technical design team ensures compliance with building regulations and prepares tender-ready documentation. We guide projects from concept to completion, managing approvals and coordinating with contractors to maintain design integrity and regulatory standards.
Residential Development
We deliver residential schemes ranging from single dwellings to large-scale housing developments. Our services include planning consent, design optimisation, and site analysis, ensuring projects align with local policies and community needs while maximising value.
Urban Design
ADPs urban design services focus on creating cohesive, sustainable communities. We integrate architecture and planning to develop masterplans, public spaces, and mixed-use developments that enhance liveability and economic viability while respecting environmental contexts.
People
David Rose
Director
David Rose co-leads ADPs architectural team, bringing decades of experience in residential and commercial design. His expertise ensures projects balance creativity with practicality, delivering spaces that meet client needs and regulatory standards.
Stephen Sanderson
Director
Stephen Sanderson directs ADPs urban design initiatives, focusing on sustainable masterplanning and community engagement. His strategic vision shapes developments that integrate seamlessly with their surroundings while addressing modern urban challenges.
Andrew Ransome
Planning Director
Andrew Ransome, a chartered RTPI member, leads ADPs planning consultancy. With over 20 years in town planning, he specialises in Green Belt projects, appeals, and complex planning strategies for residential and commercial clients.
Questions
What areas do ADP cover for planning services?
We operate nationwide, with a focus on Essex, Suffolk, Kent, Hertfordshire, and London. Our team has extensive experience across various local planning authorities.
Can ADP assist with Green Belt development projects?
Yes, we specialise in Green Belt planning applications, appeals, and strategic land promotion, leveraging our expertise to navigate complex regulatory requirements.
What architectural services does ADP offer?
We provide full architectural services, including new homes, extensions, listed building alterations, commercial developments, and technical design support for construction compliance.
How does ADP handle planning appeals?
Our planning consultants prepare robust appeal submissions using case law and precedents, ensuring strategic representation to overturn refusals or negotiate favourable outcomes.
Do ADP provide urban design consultancy?
Yes, we create masterplans and urban spaces that prioritise sustainability, community needs, and economic viability, integrating architecture and planning for cohesive developments.