Mechanical & Electrical

Gas Safe and NICEIC registered services, from complete boiler systems and full electrical rewires to smart energy solutions. Installed and tested by our experienced in-house team, with clear communication throughout. Your property is in safe and expert hands.

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Specalists in:

Heating & Mechanical

General electrical work
Full rewires
Smart home technology
Solar supply & installation

Electrical Installations & Upgrades

General electrical work
Full rewires
Smart home technology
Solar supply & installation

Repairs & Fault Finding

Heating repairs (airlocks, leaks)
Electrical troubleshooting
Inspection & testing

Efficiency & Power Solutions

Power flush service (save up to 10% on heating bills)
EV charging points

BEYOND STANDARD INSTALLATIONS

Managing the Technical Core from Design to Commissioning.

We don’t just install systems; we manage the entire mechanical and electrical lifecycle on-site. By coordinating specialist engineers, technical programming, and rigorous safety testing, we ensure every project is delivered with surgical precision and to the absolute highest regulatory standard.

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Bespoke Residential Systems

We elevate modern living with mechanical and electrical systems designed for comfort, efficiency, and long-term reliability. Whether it’s a new build or a premium renovation, we create homes that are as smart as they are sustainable.

Custom Heating: High-efficiency boilers and precision underfloor heating.
Smart Integration: Lighting, security, and climate control from one interface.
Renewable Readiness: Solar PV, battery storage, and home EV charging.
Domestic Compliance: Full NICEIC and Gas Safe certification for total safety.

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Scalable Commercial Infrastructure

From multi-unit developments to large-scale office fit-outs, we provide the robust M&E infrastructure needed to keep your business running. We focus on high-load reliability and meeting the strictest regulatory standards.

Plant Room Design: Specialized industrial-grade heating and mechanical systems.
Capacity Planning: Electrical infrastructure designed for high-demand environments.
Testing & Compliance: Full EICR, commercial gas safety, and building control.
Energy Management: Large-scale solar and power-optimization strategies.

Optimising Total System Control

Unified Building Services

Modern properties no longer rely on isolated systems. We view your building as a single, living ecosystem. By integrating Mechanical and Electrical services from the design phase, we ensure that your heating, power, and renewable technologies work in perfect harmony. This holistic approach eliminates technical conflicts, reduces energy waste, and creates a more responsive, comfortable environment.

Intelligent Climate Control: Linking high-efficiency boilers or heat pumps with smart electrical zoning.
Solar & Storage Synergy: Powering your mechanical systems through smart-managed solar PV and battery arrays.
EV & Load Management: Ensuring your electrical infrastructure handles high-demand charging without compromising household power.
Unified Monitoring: One interface to track both your energy generation and your thermal consumption.

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Certified installation

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Compliance with current standards

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Correct commissioning

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Safe, tidy, professional work

Testimonials.

Get in touch

Discuss Your Project.

If you’d like to understand what solution suits your building, we’re happy to talk it through.

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FAQs.

Are you fully insured and accredited as a building contractor?

Yes, Newell Contracts is fully insured and operates to all relevant industry standards and regulations. We work with approved subcontractors and maintain clear documentation and certification throughout the build.

Can you manage the entire project from design to completion?

Yes. We operate as a full design-and-build contractor, coordinating planning, construction, renewables and compliance under one team. This joined-up approach ensures a smoother build process, fewer delays and clear accountability from concept through to final handover.

Do you charge for detailed quotations?

For straightforward projects we offer free initial quotations. For larger, bespoke or technically complex builds, we may charge a fee to cover detailed surveys, design input and cost planning. This ensures you receive an accurate, fully considered proposal rather than an estimate. Any such fee is refunded in full if we are awarded the project

What areas do you cover?

We are based in Northern Ireland and deliver construction projects across Belfast, Co Antrim, Co Down and surrounding counties. For larger residential and commercial projects, we can also work further afield by arrangement

What types of projects do you typically deliver?

We deliver high-quality residential new builds, major renovations, extensions and commercial construction projects. Many of our projects also include integrated renewable energy and low-energy design to improve comfort and reduce running costs.