Garden Lighting Installation in Lewisham

About garden lighting installation in Lewisham

Garden lighting transforms your outdoor space into something you can enjoy year-round, from subtle path lighting to dramatic tree uplighting. A professional installation covers the full design — choosing between low-voltage 12V systems and mains-voltage fittings, selecting the right IP-rated fixtures, positioning transformers, and running cables safely underground. Most garden lighting projects are completed in one to two days depending on the number of fittings and complexity of the cable runs.

Any new outdoor electrical circuit is notifiable work under Part P of the Building Regulations. Mains-voltage garden lighting must be installed by a qualified electrician registered with a competent person scheme (NICEIC, NAPIT, or ELECSA). Even 12V systems fed from an indoor transformer benefit from professional installation to ensure waterproof connections, correct cable burial depth, and compliance with BS 7671 Section 714 for outdoor installations. Poorly installed garden lighting creates shock and fire hazards, particularly in wet ground conditions.

What's included

• Design consultation and lighting plan
• All cable, conduit, connectors, and fixings
• Trenching and cable burial to required depth
• Transformer installation for 12V systems
• Dedicated circuit from consumer unit for mains systems
• RCD protection and outdoor isolator switch
• Light fitting installation and positioning
• IP-rated waterproof connections throughout
• Full circuit testing to BS 7671 standards
• Electrical Installation Certificate (EIC) for mains work

Typical cost

Garden Lighting Installation in Lewisham typically costs £200–£800 per installation. Every job is different — describe what you need and a qualified electrician will quote you directly.

See full pricing breakdown →

Regulations & standards

• Part P of the Building Regulations (Approved Document P): New outdoor electrical circuits are notifiable work. Installation must be carried out by an electrician registered with a competent person scheme, or inspected and certified by Building Control.
• BS 7671:2018+A2:2022 (IET Wiring Regulations), Section 714: Section 714 covers the specific requirements for outdoor lighting installations, including IP ratings for fittings and enclosures, cable burial depths, earthing, and protection against mechanical damage.
• IET Guidance Note 7 — Special Locations: Provides detailed guidance on installing electrical equipment in outdoor locations, including gardens, pathways, and areas subject to weather exposure.