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NICEIC registered electrician installing a new double socket in a London flat
Same Day · NICEIC Registered

Socket & Switch Installation London

New sockets, USB-C upgrades, outdoor IP66 points, dimmer switches and burnt socket replacement. From £35 fitted, Minor Works Certificate on every job, same-day slots across Zones 1–3.

Switch replacement from £35 · Dimmer install £45–£75 · USB-C socket £55–£85 · New socket from £85 · Outdoor IP66 £130–£180.

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NICEIC Registered
Scheme on every cert
Part P Certified
Building Regs notifiable
18th Edition
BS 7671:2018+A2:2022
£5m Insurance
Hiscox Public Liability
Same Day
Zones 1–3
Quick Answer

A new socket fitted in a London property is £85–£140 if spurred from an existing circuit, or £140–£220 on a fresh cable run from the consumer unit. Switch swaps start at £35, dimmers £45–£75, USB-C upgrades £55–£85, and outdoor IP66 sockets £130–£180. Every install ships with a digital Minor Works Certificate under BS 7671.

What we cover

Sockets and switches are the most-handled part of a home's electrics — moved when you redecorate, swapped when a finish changes, replaced when an appliance overheats them. Every London install we carry out is by a Part P registered electrician working to the 18th Edition, with a Minor Works Certificate issued before we leave so the work is recorded for any future EICR.

  • Add a new single or double socket — spurred or freshly cabled
  • Move sockets to a better position behind beds, TVs, kitchen appliances
  • Replace burnt, scorched or loose sockets — same-day make-safe
  • USB-A and USB-C charging socket upgrades
  • Kitchen plinth and under-cabinet socket installations
  • Outdoor IP66 sockets with RCD protection for garden offices and patios
  • Trailing-edge dimmer switches tuned to your existing LED lamps
  • Smart Wi-Fi switches — Lightwave, Shelly, Hive, Tado-compatible
  • Brass, chrome, screwless and matt-black decorative finishes
  • Minor Works Certificate (MWC) issued on every job

Transparent pricing

Pricing is by job type, not by hour. A fixed figure is confirmed on the call or after you send a photo on WhatsApp — no surprises, no parking charges, no VAT add-ons.

JobWhat's CoveredTypical Cost
New socket (spurred from existing)Add a new single or double socket spurred off an adjacent ring or radial. 13A fused spur if required by zone rules.£85–£140
New socket (new cable run)Fresh cable pulled back to the consumer unit or ring final. Includes chasing, capping and a make-good ready for filler.£140–£220
Outdoor IP66 socketWeatherproof IP66 double socket with RCD protection. SWA or 2.5mm armoured-rated spur, gland and earth bond.£130–£180
USB-C socket replacementSwap a standard double socket for a USB-A/USB-C charging socket — typically 4.2A or 6A combined output.£55–£85
Dimmer switch installReplace existing switch with a trailing-edge LED-compatible dimmer. Tested with installed lamps to confirm flicker-free.£45–£75
Switch replacement (like-for-like)1/2/3-gang plate swap, brass, chrome, screwless or smart Wi-Fi switch. Includes back-box check.£35–£55
Move existing socketReposition socket up to 1m. Includes chase, new back-box, re-routing and a minor works certificate.£95–£160

* Prices include VAT, parking and Minor Works Certificate. Full pricing on the pricing page.

Electrician fitting a new chrome double socket in a London kitchen

How it works

1

Call or message

Send a photo of the existing point or where you want the new one to the WhatsApp number. A fixed price is confirmed inside an hour. Same-day slots usually available across Zones 1–3.

2

Booked slot

Electrician arrives in a marked van with stocked 2.5mm and 1.5mm twin-and-earth, back-boxes, accessories in chrome / brass / white, drill cores and a dust-extracted SDS for clean chasing.

3

Install and test

Power isolated, RCD protection verified, ring or radial continuity confirmed, polarity and Zs measured at the new accessory with a calibrated MFT before the cover plate goes on.

4

Certificate & clean-up

Digital Minor Works Certificate emailed before we leave, dust hoovered, off-cuts and packaging removed. 12-month workmanship guarantee on every accessory.

Outdoor and kitchen socket work

Two jobs that come up constantly in London — kitchen plinth sockets under the cabinets for kettles, toasters and air fryers, and outdoor IP66 sockets on patios, garden offices and EV trickle charge points. Both have their own rules under BS 7671: kitchen accessories must sit outside the splash zone of any sink (zone 0/1), and outdoor sockets must be IP66 rated and protected by a 30mA RCD or RCBO.

Outdoor installs typically pull a 2.5mm twin-and-earth spur through a wall via a Wiska or Schneider IP66 gland, with an earth bond to any nearby metalwork and a Type A RCD upgrade at the consumer unit where the existing protection is Type AC. Garden offices over 7m of cable run get a dedicated RCBO and a sub-main isolator.

Outdoor IP66 weatherproof double socket installed on a London garden wall

Burnt and scorched sockets — same day

A discoloured, scorched or melted socket is treated as an emergency. The cause is almost always a loose terminal under load — a high-draw appliance like an oven, kettle or hair dryer pulling 10–13A through a connection that has worked loose over time, generating heat at the brass contact and slowly carbonising the plastic. Left in service it is a fire risk.

Same-day attendance is standard across Zones 1–3. The damaged accessory is removed, the back-box and cable tails are checked for heat damage, and if the cable insulation is intact a new metal-clad or moulded socket goes in. If the heat has compromised the conductor, the affected length is cut back into a maintenance-free junction box (Wago / Hager Klik) or the run is replaced. Every burnt-socket job is logged on a Minor Works Certificate.

Testing and certification

Every new or moved accessory is tested before the cover plate goes on. Continuity of the protective conductor, polarity at the new outlet, ring final continuity if the spur ties into a ring, insulation resistance and earth fault loop impedance (Zs) at the new accessory — all measured with a calibrated Megger MFT1741 or Fluke 1664 FC and recorded against the design value on the certificate.

Calibrated multifunction tester being used to verify a newly installed socket in London

The Minor Works Certificate is emailed before we leave — keep it with the rest of your EICR paperwork so the next periodic inspection has a clean audit trail back to the date of the install.

Areas covered

Socket and switch installs are carried out across all 32 London boroughs and the City of London. Heaviest demand comes from central and inner London — kitchen renovations, decorating jobs, USB upgrades, smart-home retrofits.

Frequently Asked Questions

How much does it cost to install a new socket in London?
A new socket spurred off an existing ring or radial circuit is £85–£140 fitted. A new socket on a fresh cable run back to the consumer unit is £140–£220 including chasing, capping and a make-good ready for filler. Outdoor IP66 sockets are £130–£180 because of the weatherproof accessory and RCD protection. All prices include VAT, parking and a Minor Works Certificate.
Can you add a socket without chasing the wall?
Yes, in most cases. A spur from an adjacent socket can usually be run inside the existing back-box and threaded into a new dry-lining box one stud bay over — no chase needed and no decorating to redo. Where chasing is unavoidable we use a dust-extracted SDS chaser to keep the dust on the tool, not on your sofa, and patch back ready for filler.
Do I need an electrician to replace a socket or switch?
For a like-for-like swap inside the same back-box, no Part P notification is needed, but the work is still notifiable to the householder under BS 7671 — meaning it has to be tested and a Minor Works Certificate issued. Anything that adds a new circuit, changes the zoning in a bathroom or kitchen, or alters the protective device must be done by a Part P registered electrician on a competent person scheme such as NICEIC or NAPIT.
Can you fit a USB-C socket in place of my existing one?
Yes. Most modern UK USB-C sockets are direct replacements for a standard double — same back-box, same terminal layout. Combined output is usually 4.2A or 6A across the two USB outlets, with the 13A mains sockets still fully usable. We carry chrome, brushed steel, matt black and white screwless plates with USB-C on the van.
What's the difference between a spur and a new cable run?
A spur takes a single fused or unfused branch off an existing ring or radial circuit — fast to install, no extra load on the consumer unit, ideal where one extra socket is needed. A new cable run pulls a dedicated cable back to the consumer unit and adds a new RCBO. New runs are required where the existing circuit is already at capacity, where the new socket is for a high-draw appliance (electric oven, instant water heater, EV trickle charger), or where Building Regulations zoning rules block a spur.
Can you install an outdoor socket on the patio?
Yes. Outdoor sockets must be IP66 rated weatherproof accessories with RCD or RCBO protection — either at the socket or at the consumer unit. Most installs spur from a kitchen ring final through a wall via an SY-glanded or armoured cable, terminated in a Wiska or Schneider IP66 enclosure. Garden offices and EV chargers usually need a dedicated cable run on a Type A RCD.
Will a dimmer switch work with my LED bulbs?
Only if both the lamps and the dimmer are designed to work together. LED lamps require trailing-edge dimming and a dimmer matched to their wattage range — old leading-edge dimmers built for incandescent or halogen will flicker, hum or fail to start LEDs. We test compatibility with the lamps already installed in the room before signing off, and swap to a matching trailing-edge model if needed.
How long does it take to fit a new socket?
A like-for-like socket or switch swap takes 20–30 minutes. A spurred new socket inside dry-lining or behind plasterboard is 60–90 minutes. A new socket on a chased cable run is 2–3 hours depending on wall material and distance to the consumer unit. Outdoor IP66 sockets are 2–4 hours including drilling the wall, glanding and pressure-sealing the enclosure.
Do you provide a certificate for the work?
Yes. Every socket and switch installation gets a digital Minor Works Certificate (MWC) under BS 7671 emailed before we leave, recording polarity, earth fault loop impedance (Zs) at the new accessory, RCD trip times where relevant and confirmation of compliance with the 18th Edition. Notifiable work is also lodged with NICEIC and the local Building Control Body where required.
Can you replace a burnt or scorched socket today?
Yes — a burnt socket is treated as an emergency call-out and slotted into the same-day rota across London. The faulty accessory is removed, the back-box and tails are inspected for heat damage, and a new metal-clad or moulded socket fitted. If the burn was caused by a loose neutral or a high-draw appliance overloading a spur, the root cause is fixed on the same visit and recorded on the Minor Works Certificate.

Book a socket or switch install today

Same-day slots across Zones 1–3. Fixed price confirmed on the call, Minor Works Certificate before we leave, 12-month workmanship guarantee. Combine with LED lighting or a full rewire on the same visit for a discounted rate.

NICEIC registered · Part P certified · £5m Public Liability (Hiscox UK) · Minor Works Certificate on every job

24/7 EMERGENCIES
0207 046 1363