1. Introduction
Semi-detached and bungalow properties often have bigger driveways and more electrical capacity than terrace houses. However, installation complexity can increase with longer cable runs and higher power demands. Here’s what to consider.
2. Supply Capacity and Upgrade Decisions
Bigger homes may already have three-phase supply, enabling installation of 11 kW or 22 kW chargers. If your supply is still single-phase, a 7-kW charger may suffice, but if you own multiple EVs or need rapid charging, you might upgrade to three-phase. TNB notes that single-phase supports up to 10 kW and three-phase supports above 10 kW. The decision depends on your current and future needs.
3. Long Cable Runs and Voltage Drop
Semi-detached houses often position the DB far from the parking area, leading to cable runs longer than 10 m. To avoid voltage, drop, use 10 mm² copper cables instead of 6 mm² for these runs. Proper conduit or concealed routes should be planned to minimise aesthetic impact.
4. Outdoor or Detached Garages
If your garage is detached or separate from the main house, you’ll need to bury cables or run them through protective conduits. Weatherproofing is also important—ensure the charger has an appropriate IP rating and that the installation includes surge protection.
5. Future-Proofing and Load Balancing
Many semi-D and bungalow owners plan to install solar panels or add more EVs later. Choose a smart charger with dynamic load balancing and solar integration. IGP’s Smart Mini Home Charger offers these features, adjusting current based on household demand and integrating with solar PV. This future-proofs your installation without unnecessary upgrades.
6. Documentation and Safety
Follow the same safety guidelines as other homes: engage an ST-registered contractor, install a dedicated circuit with a 30 mA RCD, and obtain a commissioning report. Regular maintenance and inspections are also essential.
Conclusion
Semi-detached and bungalow homes may seem straightforward for EV charger installation, but long cable runs, supply upgrades and future planning require expertise. Assess your supply, choose the right cable size, and select a smart charger with load balancing and solar compatibility. IGP’s comprehensive service ensures your charger is installed safely and is ready for your current and future EV needs.
