Electrician Specialisations UK: What Pays Best

A general domestic electrician and an industrial automation engineer both hold electrical qualifications. But their day-to-day work, client base, and earnings can differ enormously. Specialisation lets you charge premium rates, work in less price-sensitive markets, and build a reputation that attracts the right jobs rather than competing on price alone.

The UK's transition to net zero is accelerating demand for specific skills: EV charge point installation, solar PV, battery storage, and heat pump electrical work are all growing faster than general domestic electrical services. Meanwhile, the complexity of modern commercial buildings is driving demand for Building Management Systems (BMS) engineers. Understanding where the market is heading helps you plan your CPD and qualification spend wisely.

The most common entry point for electricians moving into self-employment. Domestic installers carry out consumer unit replacements, first and second fix on new builds, fault-finding, and periodic inspection and testing (EICR) in homes.

Key qualifications: Level 3 Diploma in Electrical Installations (C&G 2365 or equivalent), 18th Edition Wiring Regulations (C&G 2382-22), and Inspection & Testing (C&G 2391-52 or 2394/2395). Scheme membership with NICEIC or NAPIT is required to self-certify work under Part P of the Building Regulations in England.

Earnings: Sole traders typically charge £40–£70/hour depending on region, with London rates at the top end. EICR-only operators can push volume through repeat landlord contracts. It is a competitive market. Differentiation comes through speed, professional presentation, and scheme membership proof.

Speed is the one you can act on today, because the electrician who answers first usually wins the job. Tradehand is the office team that answers for you, replying to every enquiry within the minute, day or night, then drafting and chasing the quote and booking the job straight into your calendar, so you win more of the work you price up instead of losing it to whoever picked up first.

Commercial electricians work on offices, retail units, hotels, schools, and healthcare facilities. Industrial electricians extend into manufacturing plants, process control, three-phase distribution, and motor controls. Both sectors operate under BS 7671 but with far greater cable sizes, distribution board complexity, and project management demands.

Key qualifications: The same core Level 3 qualification applies, but commercial and industrial work typically requires ECS (Electrotechnical Certification Scheme) Gold Card and CSCS card for site access, along with 18th Edition. Specialist industrial roles often require additional training in PLC (Programmable Logic Controller) systems, ATEX (hazardous areas), or high-voltage work.

Earnings: Day rates for experienced commercial electricians range from £200–£350/day on site. Industrial contractors, especially those with specialist skills like ATEX or HV, can command £400+ per day through agencies and frameworks.

The UK government's ban on new petrol and diesel cars from 2035 is driving rapid growth in EV charge point installation. The Office for Zero Emission Vehicles (OZEV) and the LEVI (Local Electric Vehicle Infrastructure) programme are both creating funded installation programmes that qualified electricians can tap into.

Key qualifications: City & Guilds 2919 (Electric Vehicle Charging Equipment Installation) is the recognised qualification for charge point installers. To access OZEV grant schemes on behalf of customers (such as the EV chargepoint grant for homeowners), you must be registered with an OZEV-authorised installer scheme such as NICEIC or NAPIT. The course is typically 2–3 days and costs £300–£600 depending on provider.

Earnings: A single domestic 7kW wallbox installation takes 2–4 hours and typically invoices at £800–£1,200 including supply. Experienced EV installers completing 3–4 residential installs per day can generate strong daily revenue. Commercial multi-port installs are larger projects with higher margins.

Demand outlook: Very strong. The Society of Motor Manufacturers and Traders (SMMT) reports steady EV market share growth. Charge point infrastructure will need to scale significantly to match vehicle adoption, and the pool of qualified installers remains smaller than demand. For a fuller picture of where this is heading, see our guide to EV charger market opportunities for electricians.

Solar PV electrical work requires specific MCS (Microgeneration Certification Scheme) certification for installations that customers want to use to export to the grid or access tariffs such as the Smart Export Guarantee (SEG). Without MCS certification, you can install solar PV but your customers cannot access SEG payments.

Key qualifications: Level 3 Award in the Installation and Maintenance of Small Scale Embedded Generation (C&G 2399) is the most common route. MCS certification is held by the company, not the individual. You either work for an MCS-certified company or obtain certification for your own business through an MCS-recognised certification body. Battery storage work also typically requires C&G 2399 or equivalent training from manufacturers such as GivEnergy or SolarEdge.

Earnings: MCS-certified solar installers can charge a premium for the certification overhead. A domestic 4kWp system with battery storage is a multi-day job typically invoicing at £8,000–£14,000 including equipment. Electrical-only sub-contract work for a solar company is typically £150–£250 for a day's connection and commissioning work.

BMS engineers design, install, commission, and maintain the control systems that manage HVAC, lighting, access control, and energy monitoring in commercial buildings. It is a specialist discipline that sits at the intersection of electrical, controls, and IT. And commands premium rates because qualified engineers are scarce.

Key qualifications: There is no single mandatory qualification for BMS work. Routes in include: electrical apprenticeship background, IET (Institution of Engineering and Technology) membership, manufacturer-specific training (Trend, Siemens Desigo, Johnson Controls Metasys, Honeywell), and the CIBSE (Chartered Institution of Building Services Engineers) Associate membership pathway.

Earnings: BMS engineers employed in London earn £45,000–£70,000 depending on experience. Freelance BMS commissioning engineers command £350–£600 per day. The shortage of qualified people means strong negotiating leverage for experienced engineers.

Structured cabling (Cat6/Cat6A), fibre optic termination, CCTV, access control, and intruder alarm installation are adjacent electrical trades that many electricians add to their offering. They require different qualifications and sit under different certification schemes but share the same customer base as domestic and commercial electrical work.

Key qualifications: BSIA (British Security Industry Association) membership and NSI (National Security Inspectorate) or SSAIB (Security Systems and Alarms Inspection Board) certification are expected for commercial security work. For data and network cabling, certification programmes from Panduit, Leviton, or CommScope validate installation quality for warranty purposes. Fire alarm installation is covered by BS 5839 and requires scheme registration: typically BS 7671 qualified electricians with additional L5/L4 fire alarm training.

Earnings: Security systems work for commercial clients typically invoices at £500–£2,000+ for a small CCTV or access system. Multi-site contracts with facilities managers and building managers provide steady recurring revenue through service agreements.

Before investing in a new qualification or pivoting your business, work through these questions:

• What's the demand in your local area? EV demand is stronger in urban and suburban areas. Industrial work requires proximity to manufacturing clusters. Rural areas may have fewer commercial buildings needing BMS work.
• What's your existing client base? If you already have landlord relationships, EICR volume may be your most profitable next move. If you work with builders on new builds, solar PV or EV add-ons are natural upsells.
• What's the qualification cost vs. payback time? C&G 2919 for EV at £400–£600 could pay back in a single installation. MCS company certification involves ongoing audit fees. Model the annual cost against projected solar revenue.
• Do you want to work alone or build a team? BMS and large commercial work often require teams and project management experience. Domestic EV and solar can be done efficiently as a sole trader.