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Castle Graig Ltd is a Swansea-based electrical contractor with over 20 years of experience providing domestic and commercial electrical services. Specialising in solar panel installation, EV charging solutions, and smart home technology, we deliver reliable, code-compliant electrical work across Swansea, Neath, and Port Talbot. Our NICEIC-approved status reflects our commitment to technical excellence and customer-centric service delivery.
Solar Panel Installation
EV Charging Solutions
Domestic Electrical Work
Excellent service
Prompt response
Professional team