Outdoor Sockets London — IP65 Garden, Patio & Outbuilding

Outdoor Sockets London — IP65 Garden, Patio & Outbuilding Power Fitted

Need power outside? Garden lawnmower, patio heaters, jet wash, pond pump, fairy lights, outdoor TV, garden office, hot tub — F & A Electrical fits weatherproof IP65/IP66 outdoor sockets across London. NICEIC-certified, RCD-protected, fully Part P notified. From £180 inc VAT for a single outdoor socket from a nearby internal supply. Call 07407 627542 or 07500 721453.

Outdoor socket pricing — London 2026

Job	Price (inc VAT)
Single IP65 outdoor double socket (within 5m of existing internal circuit)	£180–£280
Single IP65 socket with new dedicated cable run (5-15m)	£280–£420
2 outdoor sockets (garden + patio, same circuit)	£340–£480
3-4 outdoor sockets around garden + patio + side passage	£480–£780
Outdoor socket + USB-C charging combo	£220–£320
Outdoor socket + IP65 isolator switch	£240–£380
Garden office sub-main + 4 sockets + lights	£1,200–£2,400
Hot tub supply (32A or 45A dedicated)	£480–£950
Pond pump or fountain supply with RCD spur	£220–£380
Outdoor security light + PIR sensor wiring	£140–£250 per fitting

All-in: weatherproof IP65 socket (Schneider, Crabtree, MK Masterseal or BG), SWA or LSF cable as appropriate, dedicated RCD/RCBO protection at the consumer unit, IP67 cable glands at all entry points, Minor Works Certificate, Part P notification via NICEIC, 6 years’ NICEIC installation warranty.

Why outdoor sockets need a proper electrician

RCD protection is mandatory — any outdoor socket MUST be RCD-protected under BS 7671. We install dedicated 30mA Type A protection at the consumer unit, not a cheap plug-in RCD.
IP65 or IP66 rating — outdoor sockets must withstand rain, dust, garden debris. Indoor sockets in a “weatherproof box” don’t cut it.
SWA (steel wire armoured) cable — for buried runs, exposed routes, or anywhere a spade might hit. We never use standard PVC twin-and-earth outside.
IP67 cable glands — every cable entry into the outdoor enclosure needs a proper compression gland. Otherwise water tracks in and trips the RCD every storm.
Building Regs Part P notification — outdoor electrical work is notifiable. We notify via NICEIC; you don’t fill out forms.
Listed building / planning — for visible installs on heritage properties we coordinate consent if required.

Common outdoor socket installs we do

Patio sockets — bbq, electric heater, music speakers, festive lighting
Garden tool sockets — lawnmower, hedge trimmer, leaf blower, pressure washer
Pond & water feature pumps — small dedicated circuit, often with timer or smart-switch control
Outdoor TV mounts — IP-rated socket + cable for screen, no visible cabling
Outdoor charging — for cordless tools or guests’ phones; USB-C + 13A combo units
Hot tubs & saunas — dedicated 32A or 45A circuit, often three-phase for larger units
Garden offices & cabins — full sub-main with consumer unit in the cabin, multiple sockets + lights + heating
EV chargers — see our EV charger page
Security lighting — PIR-triggered floodlights, no-glare LED downlights for steps and entrances
Festoon & fairy lighting — permanent installations for restaurants, gardens, terraces

What’s included in a standard outdoor socket install

Site survey — confirm cable route, check existing consumer unit capacity, identify wall penetration points
Drill external wall for cable entry (clean drill through brickwork, sleeve through cavity if applicable)
Run cable — either chased internally or surface-clipped in conduit, terminating at the new outdoor socket position
Install IP65/IP66 socket — mounted at correct height (300-450mm above ground or paving), with IP67 cable gland
Add dedicated RCD/RCBO at consumer unit (30mA Type A)
Test — insulation resistance, polarity, Zs, RCD trip time, earth-fault loop impedance
Seal entry point with intumescent fire mastic both sides
Issue Minor Works Certificate + Part P notification via NICEIC
6 years’ NICEIC installation warranty

Garden offices & cabins — full electrical fit-out

For garden offices (now a top use case post-2020), we typically install:

SWA armoured cable from your consumer unit to the cabin (buried at 600mm depth in a sand bed, with marker tape)
Cabin consumer unit — small RCBO unit with 2-4 ways, dedicated isolator at house end
Sockets — 4-6 IP65 internal sockets, USB charging combos optional
Lighting — LED downlights, sometimes Lutron Caseta or Hue for smart control
Heating — wired to dedicated radial for electric heater or AC unit
Data — Cat6 cable alongside power (separated by 30mm minimum)
External lighting + bell — IP65 wall light + doorbell wiring
Full EIC + Part P notification — Building Regs compliant for habitable outbuilding

Typical cost: £1,200-£2,400 for a 2.4m × 3.5m cabin with the above. £2,400-£4,500 for larger 5m+ garden offices.

Common upgrade scenarios — what bumps the price

Scenario	Cost on top (inc VAT)
Consumer unit can’t accept new RCD circuit	+£550-£950 (board upgrade)
Buried SWA across garden (per metre, trenching by you)	+£25-£40 per metre
Cable through cavity wall with sleeving	+£60-£120
Mounting on listed/heritage property with conservation approval	+£180-£480 admin
Smart switch / timer control	+£120-£250

FAQ — outdoor sockets London

Can I just use an indoor socket with an extension lead?
For occasional use (lawnmower 20 min), with a manufacturer-approved outdoor extension, yes. For permanent or regular use, no — extension leads aren’t designed for prolonged outdoor exposure and become a trip hazard, fire risk, and breach BS 7671. A proper IP65 socket pays for itself in safety and convenience.

How long does it take?
1-2 hours single socket from existing internal circuit. 3-4 hours new dedicated cable run. Half a day for full garden office fit-out.

Will you make good after drilling?
Yes — clean drill, sealed both sides with appropriate mastic. We don’t plaster but we leave a clean finish ready for redecorating.

Do I need permission from my freeholder if I’m a leaseholder?
Usually yes for any external wall penetration. We can supply technical specs to support your application.

Is the socket safe to leave outside in winter?
Yes — IP65 means it withstands water jets and dust. IP66 is even higher. We don’t fit anything below IP54 outdoors.

What about leaving extension cords plugged in 24/7?
Use weatherproof extension reels or, better, get a second socket installed. Permanent extension cords degrade fast outdoors.

Book your outdoor sockets

Call 07407 627542 or 07500 721453, or email info@faelectrical.co.uk. Send us:

Photo of your consumer unit
Photo of where you want the outdoor socket(s)
Description of what you’ll be powering (lawnmower, hot tub, garden office, etc.)

Fixed-price quote within the hour. Booking within 48 hours.