Our Residential Development Commercial Electrical Services
We deliver structured design, installation, and testing services tailored to new-build housing developments and multi-occupancy refurbishment projects.
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First-class electrical installation
Modern apartment complexes, housing blocks, and multi-occupancy developments rely on a robust commercial electrical infrastructure to run smoothly. Managing sub-mains power distribution, landlord lighting networks, passenger lifts, access control, and communal parking power requires solid electrical design. Inadequate electrical setups often lead to frequent power trips, safety non-compliance, and higher ongoing maintenance costs for property managers. Big Green Electrical delivers complete commercial electrical installations for residential developments across Surrey, Hampshire, and Berkshire. Working alongside property developers, main contractors, and housing associations, our NICEIC-approved electricians design and install heavy-duty distribution switchgear, sub-mains cabling to individual flats, communal lighting networks, and landlord power systems. We build safe, efficient electrical foundations for modern multi-occupancy properties.
First-class electrical installation
Modern apartment complexes, housing blocks, and multi-occupancy developments rely on a robust commercial electrical infrastructure to run smoothly. Managing sub-mains power distribution, landlord lighting networks, passenger lifts, access control, and communal parking power requires solid electrical design. Inadequate electrical setups often lead to frequent power trips, safety non-compliance, and higher ongoing maintenance costs for property managers. Big Green Electrical delivers complete commercial electrical installations for residential developments across Surrey, Hampshire, and Berkshire. Working alongside property developers, main contractors, and housing associations, our NICEIC-approved electricians design and install heavy-duty distribution switchgear, sub-mains cabling to individual flats, communal lighting networks, and landlord power systems. We build safe, efficient electrical foundations for modern multi-occupancy properties.


Upgrading your multi-occupancy property's commercial power distribution safeguards resident safety while helping to keep communal utility overheads and estate management costs down.
High-density residential developments place heavy demands on incoming mains power. Installing modern commercial distribution switchgear, balanced sub-mains, and high-capacity panel boards ensures continuous power delivery to every flat without voltage drops or nuisance tripping.
Communal lighting, lift motors, and ventilation systems run constantly. Upgrading to modern, low-resistance commercial cabling and energy-efficient sub-distribution panels cuts energy waste, directly reducing running costs for landlords and leaseholders.
Unplanned power failures can trap passenger lifts and disable electronic access gates, creating immediate safety risks for residents. Commercial installations incorporate clean backup lines and automated failover switchgear to keep essential access systems working during a power outage.
Multi-occupancy properties must satisfy strict UK Building Regulations (including Part P and Part L) and current fire safety codes. Our commercial installations are engineered strictly to BS 7671 standards to satisfy local authority building control and insurance auditors.
We deliver structured design, installation, and testing services tailored to new-build housing developments and multi-occupancy refurbishment projects.
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We calculate total electrical draw across all residential units and communal areas, designing sub-mains distribution networks and panel boards capable of supplying reliable power across large property estates.
We supply and install heavy-duty landlord distribution panels, three-phase switchgear, tenant sub-mains lines, and structured utility metering hubs to ensure safe, balanced energy management.
Our electricians install heavy-duty steel containment, riser cabling, dedicated passenger lift supplies, entry door power, and weatherproof exterior lighting circuits across multi-level developments.
Following installation, we perform comprehensive dead and live circuit testing across all communal and sub-mains networks. We supply complete Electrical Installation Certificates (EIC) for building control sign-off and insurance compliance.

Partnering with an accredited commercial team ensures your development project is completed safely, efficiently, and to exact building specifications.
We bring extensive experience working inside large-scale residential developments, apartment blocks, and conversion projects. We coordinate our work cleanly alongside main contractors, plumbers, and fit-out crews to keep site schedules on track.
Every member of our team is fully qualified, DBS-checked, and trained to current UK building regulations. Holding full NICEIC Approved Contractor credentials, we guarantee safe, high-specification commercial work.
We provide detailed, itemised proposals before physical installation begins. Our transparent quotes break down equipment, containment, and labor costs clearly, ensuring property developers receive total financial clarity.