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SOUTH LONDON TRADES

Electricians in Forest Hill

Forest Hill's Edwardian houses are reaching the age where electrical systems need comprehensive upgrading. Part P certified electricians in SE23 handle rewires, consumer unit upgrades, and modern additions like EV chargers and smart home systems across the area's tree-lined residential streets.

Electrical work in Forest Hill is driven by the Edwardian housing stock reaching the point where original and early-upgrade wiring needs replacing. Many properties have a mix of old and newer wiring after piecemeal upgrades over the decades, which creates inconsistencies in safety standards.

Full rewires bring Forest Hill's Edwardian properties up to current BS 7671 standards. The work involves replacing all fixed wiring, installing a new consumer unit with RCBO protection, and fitting new sockets, switches, and light fittings throughout. Edwardian properties typically have accessible floor voids and roof spaces that make cable routing relatively straightforward.

Consumer unit upgrades are the most common standalone electrical job in Forest Hill. Replacing an old fuse box with a modern consumer unit immediately improves safety by adding RCD protection that detects earth faults and disconnects the supply within milliseconds. This is particularly important in older properties where wiring deterioration is a concern.

The Horniman Museum conservation area affects a small number of properties in Forest Hill. External lighting, charger mounting and visible cable runs should be discreet within this zone. The majority of Forest Hill's residential streets are outside the conservation area, with no special restrictions on electrical work.

EV charger installation is growing in Forest Hill, where many Edwardian properties have front gardens or driveways suitable for off-street charging. A dedicated 7kW charger provides overnight charging for most electric vehicles and can be installed in a single day. The electrician checks consumer unit capacity and may recommend an upgrade if the existing unit is at capacity.

Lighting upgrades transform Edwardian rooms. The original ceiling roses and high ceilings suit pendant fittings, while modern LED downlights work well in kitchens and bathrooms where functional light levels are more important than atmosphere.

Reviewed by the South London Trades editorial team. Listing data is refreshed continuously; pricing guidance was last reviewed in July 2026.

TYPICAL COSTS IN FOREST HILL

Full rewire (3-bed house, ex VAT)£4,000£18,000
Consumer unit replacement (ex VAT)£350£1,500
EV charger installation£770£1,380
Lighting design (per room)£260£680

Electricians in this area

Fuse Electrical LLC

Electrician serving Forest Hill and surrounding areas.

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Eol Maintenance Services

Electrical installation service serving Forest Hill and surrounding areas.

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Forest City Electric

Electrician serving Forest Hill and surrounding areas.

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L & Z Upton Park Electrical

Electrician serving Forest Hill and surrounding areas.

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BNZ's Electric

Electrician serving Forest Hill and surrounding areas.

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Certified Electricians London Ltd

Electrician serving Greenwich and surrounding areas.

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ZJ Electrical Services

Electrician serving Forest Hill and surrounding areas.

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Al-Amin Electrical Contractor

Electrician serving Forest Hill and surrounding areas.

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Auto Electrical

Auto electrical service serving Forest Hill and surrounding areas.

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J M R Electric Ltd

Electrical engineer serving Forest Hill and surrounding areas.

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DLS Electric (London) Inc.

Electrician serving Forest Hill and surrounding areas.

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CNC Electricial

Electrician serving Sydenham and surrounding areas.

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Delco Electrical

Electrician serving Forest Hill and surrounding areas.

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Jams Electrical Services 4You Forest Gate

Electrician serving Forest Hill and surrounding areas.

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RGS Electrical Ltd

Electrician serving Dulwich and surrounding areas.

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Sines Electrical LLC.

Electrician serving Forest Hill and surrounding areas.

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Lerche & Sons Electric

Electrician serving Forest Hill and surrounding areas.

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Electrician Techs

Electrician serving Forest Hill and surrounding areas.

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MAC Business & Services LTD ( Mac Electrical)

Electrician serving Forest Hill and surrounding areas.

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SJConnolly Electrical Ltd

Electrician serving Forest Hill and surrounding areas.

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Elecsmart Electricians Ltd

Electrician serving Sydenham and surrounding areas.

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Bradley Electrical Services

Electrician serving Forest Hill and surrounding areas.

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Forest Hill Electrical And Heating Services

Electrician serving Forest Hill and surrounding areas.

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Select Air Mechanical & Electrical

Electrician serving Forest Hill and surrounding areas.

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Forest Hills Electrical Contracting Inc.

Electrician serving Forest Hill and surrounding areas.

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Notting Hill Electrical Services Ltd

Electrician serving Forest Hill and surrounding areas.

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All Seasons Heating, Cooling & Electrical

HVAC contractor serving Forest Hill and surrounding areas.

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Contact Electrician

Electrician serving Forest Hill and surrounding areas.

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Stephens Electrical LLC

Electrician serving Forest Hill and surrounding areas.

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Ripple Electrics Ltd

Electrician serving Forest Hill and surrounding areas.

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Sp Tech Pools & Spas

Swimming pool contractor serving Forest Hill and surrounding areas.

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A full rewire for a three-bedroom Edwardian house in SE23 costs £4,000–£6,800 including a new consumer unit and all accessories. Edwardian properties are generally straightforward to rewire thanks to accessible floor voids and roof spaces, keeping costs manageable.

If the existing cable is in reasonable condition (PVC insulated, not rubber), a consumer unit upgrade may be sufficient. An EICR (Electrical Installation Condition Report) will assess cable condition. If cables are old rubber-insulated or show signs of deterioration, a full rewire is the safer option.

An EV charger installation in SE23 costs £770–£1,380 for a standard 7kW unit including cable run from the consumer unit. If the consumer unit needs upgrading to support the additional load, add £310–£530. Most installations are completed in a single day.

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