Electrical and Mechanical Installations
We ensure that all electrical and mechanical installations are executed with precision and care, optimising system performance, and energy efficiency.
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We provide professional and affordable electrician services along with mechanical installations in Hertfordshire mostly covering local areas such as Buntingford, Hertford, Ware, Broxbourne, and Hoddesdon.

Our services are tailored to the needs of commercial, residential, and industrial developments. Our certified electrical and mechanical engineers deliver compliant, efficient, and future-focused systems to ensure continued compliance with electrical codes and regulations whether it's a new build, refurbishment, or retrofit.

Electrical Installations

Whether you’re looking for electrical installation, electrical testing, electrical inspection, or any other electrical service, then SJW can provide electrical contractors you can rely upon.

We design, install and commission high-quality electrical systems in full accordance with BS7671 (IET Wiring Regulations).

Our services include:

Emergency Electrician

If you require an emergency electrician, then do Call Us for a quick response.

  • Mains Power and Electrical Distribution.
  • Internal and External Lighting (including Emergency Lighting).
  • Complete Rewires and New Installations.
  • Additional Points (Power Sockets, Light Switches, TV and Phone Sockets).
  • Fire Detection and Smoke Alarms.
  • Structured Cabling (Data and Communications).
  • Energy-Efficient Upgrades (LED Lighting, Underfloor Heating, and Smart Controls).
  • Consumer Units, Distribution Boards and Final Circuits.
  • Electrical Inspection Services, Electrical Fault Finding and Testing with Certification and NICEIC-Approved Reports.
  • Electrical Installation Condition Report (EICR Certification).

Mechanical Installations

We install safe and compliant mechanical systems in line with UK Building Regulations, including:

  • Heating Systems (Gas and Electric).
  • Domestic Hot and Cold-Water Services.
  • Machine/Appliance Installation (Extractor Fans, and CCTV).
  • Electric Vehicle Charging Points (EV Charger).
  • Ventilation & Extract Systems (including MVHR).
  • Air Conditioning and Climate Control.
  • Soil, Waste and Drainage Installations.
  • Plant Room Design and Fit-Out. (Cat A B and C).
  • Gas Safe Registered Installations & Testing.

Why Use Us?

Fully Qualified & Accredited
We only use highly skilled and trained professionals who are either NICEIC registered and they also hold a valid ECS Gold card with 18th Edition BS 7671 qualifications. This ensures that all electrical work is carried out in strict compliance with the latest industry regulations and to the highest professional standards.

Sustainability Matters
We promote low-energy systems, smart controls, and eco-friendly solutions in line with UK Net Zero targets.

Health, Safety & CDM Compliance
All installations are carried out in line with Construction (Design and Management) Regulations 2015, with risk assessments, method statements (RAMS), and site safety management.

Tailored UK-Based Solutions
We work across England, Scotland, Wales and Northern Ireland, ensuring designs meet Part L, Part F, Part P, and all other applicable Building Regulations.

Case Studies

CU Phosco | Furlong Way | Great Amwell | Hertfordshire

CU Phosco | Furlong Way | Great Amwell | Hertfordshire

Sectors We Serve

Commercial Offices & Retail PremisesMulti-Unit Residential & Build-to-RentSchools, Universities & Educational InstitutionsHospitals, GP Surgeries & Healthcare BuildingsIndustrial & Warehouse UnitsPublic Sector & Government Facilities

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