Services
12Twenty offers a comprehensive suite of project management services, digitally powered and professionally delivered across all phases of the construction lifecycle.
CONSTRUCTION DESIGN & MANAGEMENT
Turning vision into engineered reality - from first sketch to final approval.
12Twenty Construction Design & Management (CDM) service provides end-to-end oversight across the design lifecycle of every project. We act as the bridge between client vision and technical execution — ensuring designs are buildable, compliant, cost-efficient, and future-ready. Our multidisciplinary team of architects, structural engineers, MEP consultants, and BIM specialists collaborate under one integrated management framework.
Projects Designed
Fewer Design Errors (BIM)
CDM Compliance Rate
Years Design Expertise
WHAT WE DO
From concept to construction-ready documentation.
We manage the full design process from inception through to construction-ready documentation. This includes coordinating multiple design disciplines, managing design programme milestones, reviewing drawings for constructability, and ensuring all outputs comply with relevant building codes, planning requirements, and safety regulations. Our CDM approach embeds Health & Safety considerations from the earliest design stage, in line with CDM 2015 Regulations.
INCEPTION
CONCEPT
COORDINATION
COMPLIANCE
CONSTRUCTION READY
CDM CAPABILITIES
Capabilities that drive every project forward.
Concept Design & Feasibility
Concept design development and feasibility studies.
Architectural & Structural Design Coordination
Coordination of architectural and structural design disciplines.
MEP Design Management
Management and coordination of Mechanical, Electrical & Plumbing design.
BIM Modelling & Clash Detection
BIM modelling and clash detection using Revit / Navisworks.
Planning & Regulatory Approval
Planning permission and regulatory approval support.
CDM 2015 Compliance
Principal Designer duties and CDM 2015 compliance.
Value Engineering
Design optimization and value engineering to improve project efficiency.
Design Programme Management
Design programme milestones, dependencies and tracking.
Constructability Reviews
Technical reviews to ensure designs are practical and buildable.
Design Risk Management
Design risk register development and ongoing management.
CLEAR DELIVERABLES
Clear, coordinated outputs.
Clear, coordinated outputs that move projects confidently from design to delivery.
Design Brief
Clearly defined scope, design intent and client requirements document.
BIM Model
Fully coordinated 3D Building Information Model with clash-free outputs.
Design Programme
Milestone tracked design schedule aligned to the overall construction programme.
Compliance Report
Planning, building regulation and CDM compliance documentation package.
Cost Estimate
Design-stage cost plan validated against current market rates.
Risk Register
Live design risk log with mitigation strategies and owner assignments.