First Action delivers structured gas and electrical services for homes, landlords and commercial premises throughout Greater London. As a dual certified Gas Safe and NICEIC contractor, we remove the complexity of managing multiple suppliers by providing everything you need through one trusted team. Our focus is simple, to offer safe installations, compliant certification and fast repair work carried out by qualified specialists who understand London properties.
Property owners, agents and landlords often struggle with the time lost coordinating different engineers for legal compliance. First Action simplifies this with engineers trained and accredited to issue both gas certificates and electrical certificates. Whether you require a CP12 for a rental flat, an EICR report for a commercial unit or a heating system upgrade for your home, you can book everything in one visit wherever scheduling allows.
All gas safety checks are completed by Gas Safe engineers who are routinely assessed by the national governing body. All electrical work is delivered by NICEIC electricians qualified to current Part P and 18th edition standards. This ensures every certificate and installation meets UK law and recognised industry requirements.
Our engineers serve every London postcode from central districts to outer boroughs. This includes Islington, Camden, Hackney, Tower Hamlets, Newham, Croydon, Lambeth, Hillingdon, Ealing, Barnet, Enfield and every nearby neighbourhood such as Kensington and Chelsea, Richmond upon Thames and Wandsworth.
Clients contact us for emergency repairs, routine servicing and planned upgrades because we provide responsive appointments, competitive pricing and a clear explanation of what each job involves.
Below is our full selection of services, delivered with clear communication and value for money.
Professional boiler installation across London by Gas Safe and NICEIC engineers. We manage upgrades, safety checks and efficient system setup for every property.
Fast boiler repair and servicing for all major brands with Gas Safe engineers restoring heating and hot water quickly for homes and businesses across London.
Accurate electrical certificates and EICR reports for landlords and owners, completed by NICEIC electricians ensuring full Part P 18th Edition compliance.
Specialist electrical inspection and safety testing for domestic and commercial sites, providing mandatory EICR reports and full condition assessments.
Reliable electrical installation services by NICEIC registered engineers, carrying out wiring, upgrades and fittings for homes, shops and offices in London.
Comprehensive full and partial rewiring for properties upgrading old systems, modernising layouts or replacing unsafe wiring to meet current safety standards.
Upgrade outdated fuse boards with modern 18th Edition consumer units featuring RCD protection, improving safety, compliance and electrical reliability.
Official gas certificate checks including CP12 for landlords and commercial sites, completed by Gas Safe engineers ensuring safe and compliant appliances.
Rapid immersion heater repair and replacement for faulty elements and cylinders, with same day service available to restore reliable hot water across London.
Specialist power flush service to remove sludge buildup, restore heating efficiency and improve radiator performance in homes and commercial properties.