We provide professional and affordable electrical and mechanical services throughout Hertfordshire, covering areas such as Buntingford, Hertford, Ware, Broxbourne and Hoddesdon.
From new builds and refurbishments to retrofit projects, SJW Design & Build delivers compliant, efficient and future-focused solutions for residential, commercial and industrial clients, ensuring all work meets the latest UK regulations and industry standards.
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:
If you require an emergency electrician, then do Call Us for a quick response.
We provide professional mechanical installation services for residential, commercial and industrial projects, delivering safe, compliant and energy-efficient systems in line with UK Building Regulations, including:
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.
Commercial Offices • Retail & Hospitality • Residential Developments • Build-to-Rent • Schools & Universities • Healthcare Facilities • Industrial & Warehouse Units • Public Sector Buildings
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