Multi-Utility Connections in Cardiff
AIS Utilities delivers accredited multi-utility connections across Cardiff and South Wales. We are your Independent Connection Provider for electricity, gas, water and infrastructure design. Contact us today for a free quote.

Independent Connection Provider Serving Cardiff and South Wales
AIS Utilities supports developers and contractors across Cardiff, Newport and the South Wales region, delivering multi-utility connections that combine quality, speed and full regulatory compliance. As an accredited Independent Connection Provider (ICP), we handle every stage of the process - from network design and planning to on-site installation, testing and energisation. Whether it's a housing development, commercial estate or regeneration scheme, we make connecting to essential services straightforward and cost-efficient.
Utility Services We Provide in Cardiff and South Wales
Our team is accredited under NERS, GIRS and WIRS, meaning we are fully authorised to carry out contestable works for electricity, gas and water infrastructure. We coordinate directly with National Grid Electricity Distribution (NGED), Wales & West Utilities and Dŵr Cymru Welsh Water, ensuring your project stays compliant and connected on time.
Electricity Connections in Cardiff (NERS Accredited)
AIS Utilities designs and installs reliable electricity networks across Cardiff, the Vale of Glamorgan and Newport.
- High- and low-voltage network design and construction
- Substation builds and switchgear installation
- Service connections and diversions
- Project liaison with NGED for approvals and energisation
Gas Connections in Cardiff (GIRS Accredited)
We provide safe, efficient and fully compliant gas connections for new builds and redevelopments throughout South Wales.
- New mains and service pipe installations
- Reinforcements, upgrades and diversions
- Metering and gas supply coordination
- Full liaison with Wales & West Utilities
Water Connections in Cardiff (WIRS Accredited)
We handle:
- New water mains and service installations
- Testing, chlorination and certification
- Network diversions and extensions
- Water supply upgrades for residential and commercial sites
Utility Design and Planning in Cardiff
Every successful connection starts with a precise design. AIS Utilities provides expert utility design services to support your project from the earliest planning stage.
- Multi-utility layout coordination
- Load and capacity assessment
- CAD and technical drawing production
- Compliance documentation for DNO, GIRS and WIRS submission
Utility Consultancy for Cardiff Projects
We help developers identify the most cost-effective and time-efficient route to connection.
- Early feasibility and planning studies
- Grid and network capacity checks
- Budget estimates and risk mitigation
- Connection route optimisation across South Wales
Specialist Infrastructure Connections in Cardiff
AIS Utilities delivers tailored infrastructure solutions for large, complex and high-demand developments.
- HV substation installation and commissioning
- EV charging infrastructure delivery
- Renewable energy and heat network connections
- Private network design and asset adoption support
Why Choose AIS Utilities in Cardiff
Fully Accredited
Accredited under NERS, GIRS and WIRS for complete peace of mind.
Single Point of Contact
One independent provider for all your gas, water and electricity needs.
Faster Connections
Faster delivery of connections through our accredited ICP delivery model.
South Wales Experience
Experienced with South Wales utility networks and local planning processes.