Electricians in Lewisham

Electrical work in Lewisham is dominated by the Victorian housing stock. Many terraces still have wiring that predates modern safety standards — a mix of old rubber-insulated cables and piecemeal upgrades added over the decades. A planned, comprehensive rewire brings these properties up to current BS 7671 standards.

Full rewires in Lewisham's Victorian terraces require careful cable routing to avoid damaging original features. Plaster cornicing, ceiling roses, and dado rails all need protection during the work. An experienced electrician uses routes through floor voids, behind skirting boards, and through ceiling spaces to minimise visible disruption.

Consumer unit upgrades are essential in many Lewisham properties. Old fuse boxes with rewirable fuses provide inadequate protection against electrical faults. A modern consumer unit with RCBO protection for each circuit is a significant safety improvement and is often a prerequisite for insurance compliance.

Lewisham Council supports energy-efficiency improvements, and electrical upgrades play a key role. Heat pump installations, solar panel systems, and EV chargers all require competent electrical work. The council's guidance encourages improvements that reduce carbon footprint while maintaining the character of Victorian properties.

Flat rewires in Lewisham's converted Victorian houses and purpose-built blocks have specific requirements. The work must comply with the lease terms, and communal areas may be beyond the flat's electrical installation. Coordination with the freeholder or managing agent is essential before starting work.

Electrical safety in rental properties is tightly regulated. Lewisham landlords must provide a valid EICR (Electrical Installation Condition Report) before tenants move in and renew it every five years. This regulation has driven a wave of consumer unit upgrades and rewires across the borough's rental stock.

Content verified by the South London Trades editorial team — last updated March 2026