Commercial & Residential Building Works
Delivering turnkey alterations from day-one soft strip and structural demolition through to complete architectural delivery across London.
HCL Interiors provides comprehensive general contracting services, managing building control approvals, structural steelwork calculations, licensed waste transfer, and finish trades under single-source accountability. We specialize in fast-track transformations of commercial office buildings, retail units, and prime residential properties.
CAT A Refurbishment
Base landlord fit-outs including raised floors, suspended ceilings, basic distribution, and core architectural compliance.
CAT B Turnkey Fit-Out
Tenant-ready spaces with meeting suites, private offices, breakout kitchens, custom joinery, and brand identities.
Grade II Listed Conversions
Specialist historic restoration balancing conservation officer requirements with modern infrastructure (e.g. Green Street Mayfair).
Structural Demolition & Strip
Environment Agency licensed waste clearance, internal load-bearing wall removals, and structural floor penetrations.
| Specification Element | CAT A (Landlord Standard) | CAT B (Tenant Turnkey Fit-Out) |
|---|---|---|
| Flooring Infrastructure | Raised modular access flooring with basic clean screed | Acoustic broadloom carpet tiles, luxury vinyl tiles (LVT), engineered oak, or terrazzo finishes |
| Spatial Partitioning | Open-plan perimeter walls with fire-rated perimeter encasements | Double-glazed acoustic partitions, demountable stud walls, phone booths, executive suites |
| M&E & Climate Control | Primary VRF / fan coil units at base grid locations | Secondary zoned ductwork, motorized dampers, programmable multi-zone thermostats |
| Electrical & Power | Core 3-phase incoming supply and perimeter containment | Bespoke floor grommets, desk power track, clean server feeds, CAT6 data infrastructure |
| Lighting Design | Uniform standard recessed LED commercial panels (500 lux) | Architectural linear LED arrays, dimmable mood circuits, feature pendant lights, emergency signs |
| Amenities & Joinery | Standard core washrooms and basic capped services for tea points | Full commercial kitchens, barista coffee bars, custom banquette seating, reception counters |
Mechanical & Electrical (M&E) Engineering
Led by Equity Partner Anthony Murphy and Head of Electrical Danny O'Driscoll, our 30+ registered engineers provide complete design, installation, and certification.
Unlike contractors who subcontract technical packages, HCL maintains its own in-house M&E division. This guarantees direct accountability, tighter scheduling, and seamless coordination between containment, ducting, and structural ceiling finishes.
NICEIC Approved Electrical
- Primary & secondary 3-phase distribution boards
- Galvanized dado trunking & cable tray containment
- EICR testing & periodic statutory compliance
- Emergency lighting & central battery systems
Commercial HVAC & VRF
- Daikin & Mitsubishi Electric approved installation
- Mechanical ventilation with heat recovery (MVHR)
- REFCOM certified F-Gas compliance & leak tests
- Spiral ductwork & architectural exposed services
Data, Comms & Security
- CAT6 & CAT6A structural cabling networks
- Server room relocation & patch panel dressing
- Access control, maglock doors & biometric readers
- Multi-zone IP CCTV surveillance systems
Gas Safe & Plumbing
- Commercial boiler rooms & primary plant
- High-traffic executive washrooms & showers
- Commercial kitchen drainage & grease management
- TopBrewer integrated modular under-counter taps
Interior Architecture & Fit-Out
Translating architect and interior designer mood boards, CAD elevations, and finish schedules into flawless physical spaces.
From custom reception desks featuring fluted timbers and brass inlays to acoustic wall slating and industrial-chic metal mesh ceiling rafts, our joiners and decorative finishers deliver museum-grade precision for London’s most design-led commercial spaces.
Bespoke Architectural Joinery
Made-to-measure reception counters, kitchen islands, acoustic banquette seating, and media presentation walls.
Acoustic Glazing & Crittall Doors
Single and double-glazed acoustic partitioning systems providing sound privacy (up to 48dB Rw) with industrial steel frames.
Specialist Finishes & Plastering
Hand-trowelled Venetian and polished plaster surfaces, decorative cornice restorations, and microcement floors.
Ceiling Rafts & Lighting Grids
Suspended architectural metal mesh panels, acoustic felt baffles, and integrated LED linear lighting channels.
Facilities Maintenance & Specialized Installations
Dedicated maintenance squads handling 50–60 daily work tickets across 35+ Central London corporate properties, alongside bespoke alfresco living installations.
Central London Facilities Care (PPM & Reactive)
Headed by Senior Maintenance Leads Frank Knowles and Brian Suchley, our mobile squads service 35+ Central London buildings with a sub-45 minute emergency dispatch SLA.
- Statutory electrical inspection & portable appliance testing (PAT)
- Quarterly HVAC filter changes, refrigeration & F-Gas checks
- Rapid door ironmongery, plumbing leaks & glass replacements
- Central helpdesk managing 50–60 daily tickets from Clerkenwell
Luxury Outdoor Kitchens & Living
Designing and constructing architectural alfresco entertainment suites for luxury residential estates and commercial rooftop garden terraces.
- Stainless steel weather-sealed kitchen cabinetry
- Integrated gas grills, pizza ovens & beverage cooling
- Vitrified porcelain sub-base preparation & drainage
- External weather-protected electrical & gas distribution
Discuss Your Next Project with Our Leadership
Whether you need a full turnkey CAT B fit-out, an urgent M&E survey, or a 48-hour emergency site mobilization, Jamie Holloway and Anthony Murphy are on hand to assist.