CAT A Fit Out

Transforms shell and core spaces into clean, compliant bases with essential services and neutral finishes, ready for fast, disruption – free installation
Modern CAT A open office layout with carpet flooring, partitioned rooms, suspended ceiling, and wide windows.
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CAT A Fit Out — Scope of Work

Raised access flooring with cable management and suspended ceiling installation in CAT A fit out.

Raised Floors & Suspended Ceilings

Raised access flooring with cable management and fire-rated suspended ceilings for acoustic performance. Clear zoning for partitions and future services.

Energy-efficient HVAC system installation with ductwork and airflow balancing for CAT A fit out.

Mechanical & HVAC

Energy-efficient HVAC sized to layout for comfort and air quality. Includes ductwork, airflow balancing, and smart controls.

Compliant electrical and lighting systems with LED illumination for commercial CAT A fit out.

Electrical & Lighting

Compliant electrical systems with main boards, LED lighting, and emergency illumination. Designed for reliability and reduced running costs.

Fire and life-safety system pre-provision with alarm interfaces and CCTV routing in CAT A fit out.

Fire, Life-Safety & Security Pre-Provision

Fire alarm interfaces, prewired access for security, and routing for CCTV or sensors. Installed to comply with UK safety standards.

Core finishes and circulation zones with durable wall treatments and flooring in CAT A fit out.

Core Finishes & Circulation Zones

Durable wall finishes, clean lobbies, and high- traffic flooring. Surfaces prepared for future decoration.

As-built MEP drawings, O&M manuals, and compliance documentation for CAT A fit out.

Service Documentation & Compliance

As-built MEP drawings, test reports, and O&M manuals for smooth handover and regulatory compliance.

Treem Build delivers CAT A fit outs that provide a ready-to-use, professional base complete with commissioned MEP infrastructure, compliant life safety, and neat finishes. Designed for flexibility, our approach protects key services and creates a strong foundation for future fit outs.

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Modern commercial building lobby with large glass doors, warm ceiling lighting, and natural sunlight casting reflections on tiled floors.
CAT A Fit Out — Process Overview
1
Project Brief & Site Audit
Conduct a detailed CAT A site inspection, reviewing structure, risers, and drawings to align objectives, compliance, and timelines with all stakeholders.
2
Design Coordination & Risk Planning
Coordinate MEP, fire safety, and structural layouts with clash detection. Confirm compliance routes early to protect budgets and schedules.
3
Service Strategy & Load Modelling
Define HVAC, electrical, and fire safety requirements. Select energy-efficient systems for performance, cost control, and long-term reliability.
4
Technical Design & Documentation
Produce BIM-coordinated layouts and installation-ready plans for ceilings, floors, and service zones.
5
Procurement & Quality Approval
Approve vendors, materials, and specifications. Lock delivery schedules to ensure smooth progress.
6
Base Finishes
Install raised floors, suspended ceilings, and prepare core finishes to receive services.
7
Core Services Installation
Install HVAC, lighting grids, electrical distribution, and fire safety systems. Ensure neat, labelled, and compliant routing.
8
Testing & Certification
Commission all MEP and life-safety systems to UK standards. Provide test results and compliance certificates.
9
Final Handover
Deliver a base-ready, compliant CAT A space with as-built drawings, O&M manuals, and asset schedules.
Modern CAT A open office layout with carpet flooring, partitioned rooms, suspended ceiling, and wide windows.
Energy-efficient HVAC system installation with ductwork and airflow balancing for CAT A fit out.
Core finishes and circulation zones with durable wall treatments and flooring in CAT A fit out.
Treem CTA — Option 2

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