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Your Trusted Architects in West Sussex
Rathbone Miller is an established architectural and project management practice based in West Sussex. With extensive experience across diverse construction projects, we deliver tailored solutions from domestic extensions to large-scale commercial developments. Our approach prioritises flexibility, offering full or partial services to meet client needs, budgets, and capabilities. We collaborate with a network of trusted professionals, including structural engineers and interior designers, to assemble project-specific teams. Strong working relationships with contractors are central to our process, ensuring alignment between clients, architects, and construction teams.

We comply with the Construction (Design and Management) Regulations 2015, providing principal designer services to uphold health and safety standards. Our phased methodology guides projects from initial concept to completion, encompassing design briefs, planning applications, building regulations, and on-site oversight. Client satisfaction is achieved through transparent communication, technical expertise, and a commitment to delivering functional, aesthetically refined spaces.
Services
House Extensions New Builds Swimming Pool Design Barn Conversions Garden Design Commercial Projects Building Regulations Construction Drawings Project Management Interior Architecture
Highlights and features
  • We offer flexible architectural services tailored to client needs and budgets.
  • Our team assembles project-specific professionals for optimal results.
  • We prioritise strong contractor relationships for seamless project delivery.
  • We provide principal designer services to ensure health and safety compliance.
  • Our phased approach guarantees meticulous attention from concept to completion.
Services
Architectural Design
We create bespoke architectural designs for residential and commercial projects, balancing aesthetic appeal with functional requirements. Our process incorporates client briefs, site constraints, and planning regulations to deliver innovative solutions. Each design phase progresses from initial concepts to detailed technical drawings.
Project Management
Our project management services coordinate all aspects of development from inception to completion. We manage timelines, budgets, contractor relationships, and regulatory compliance to ensure smooth project delivery. Regular site visits and progress reporting maintain quality control throughout construction phases.
Building Regulations
We prepare detailed technical submissions to satisfy building control requirements. Our expertise ensures designs meet structural, thermal, and accessibility standards while maintaining architectural intent. We coordinate with local authorities and approved inspectors to expedite approvals.
Construction Drawings
We produce comprehensive construction drawings specifying materials, dimensions, and structural details. These documents guide contractors during implementation while maintaining design integrity. Our drawings integrate with specifications to ensure accurate cost estimation and construction execution.
Planning Applications
We manage planning applications including scheme design, submission preparation, and liaison with local authorities. Our experience maximises approval chances for complex projects while addressing design constraints. We handle pre-application consultations and material submission requirements.
Questions
What architectural services do you offer?
We provide full-cycle architectural services including design, planning permissions, building regulations, construction drawings, and project management for residential and commercial developments.
Which areas do you cover?
Our primary service areas include West Sussex, Surrey, Hampshire, and Greater London, though we occasionally undertake projects further afield.
Can you assist with partial project requirements?
Yes, we offer flexible partial services tailored to client capabilities, such as producing working drawings for self-managed construction projects.
How do you ensure project compliance?
We adhere to the Construction (Design and Management) Regulations 2015 and provide principal designer services to maintain health and safety standards.
What project team structures do you use?
We assemble bespoke teams comprising architects, structural engineers, quantity surveyors, and interior designers based on each project's specific requirements.
How do you manage construction phases?
Our phased approach includes design briefs, planning applications, building regulations, tendering, contract administration, and on-site oversight to ensure quality control.