Electrical Systems

1. Old or Unsafe Wiring

• Rubber, lead-sheathed or twin-and-earth without CPC
• Discolouration or scorching at fittings
• Frequent fuse blowing or breaker tripping

2. Outdated Consumer Units

• Wire fuses instead of MCBs and RCDs
• No surge protection
• Cannot accommodate modern circuit demands

3. Insufficient Sockets & Lighting

• Heavy reliance on extension leads
• Single pendants in large rooms
• No outdoor or task lighting

minor Repairs

• Replace faulty sockets, switches and light fittings
• Add USB sockets in key locations
• Swap halogens for LED equivalents

moderate Repairs

• Add new circuits for kitchens, garages or extensions
• Upgrade consumer unit to RCBO board
• Install smart lighting and dimmer systems

major Repairs

• Full rewire to current BS 7671 standards
• Whole-house surge and earthing upgrade
• Integrated smart home, security and EV charging

When Replacement Is Needed

• EICR has flagged C1 or C2 issues
• Renovating walls or floors gives easy access
• Adding extensions, kitchens or bathrooms

Installation Steps

1. 1

   Design

   • Plan circuits, lighting and socket layout
   • Agree positions room by room
2. 2

   First Fix

   • Run cables through walls, floors and ceilings
   • Fit back-boxes and consumer unit
3. 3

   Second Fix

   • Install sockets, switches and light fittings
   • Connect appliances and smart devices
4. 4

   Testing

   • Insulation resistance, continuity and RCD tests
   • Issue Electrical Installation Certificate
5. 5

   Certification

   • Notify Building Control via competent person scheme
   • Provide compliance paperwork