Electrical Excavations
LV – 33kV Cable Specialists

Power through the ground. Done properly.

From cable pulling and jointing to spiking, ducting and full reinstatement — we deliver the full suite of electrical excavation services across North London and the Home Counties. DNOs, ICPs, main contractors and developers.

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33kVCable capability
24/7Emergency response
100%NRSWA accredited
N. London& Home Counties
What we do

Full-scope electrical excavation services

One team for the whole job — from the first spade in the ground to the final joint in the pit. We handle the work most contractors would rather sub out.

Cable Pulling

Power cable pulling at LV through to 33kV using tension-controlled winches, rollers and cable drum trailers. On-site from the bund to the joint bay.

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Cable Jointing LV – 33kV

Certified jointers delivering heat-shrink, cold-shrink and resin joints on polymeric and paper-insulated cables. Straight, branch and termination.

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Cable Spiking

Safe, compliant de-energised cable proving prior to cut-in, alteration or removal. Full method statements and permits to work.

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Cable Excavations & Duct Installation

Hand-dig and machine excavation around live services, with duct installation to ENA, DNO and ICP specification.

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Utility Trenching

Open-cut trenching for electric, water, gas and telecoms — including narrow trench, deep trench and mole ploughing where ground allows.

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Utility Duct Laying

Single-way and multi-way duct banks, draw pits and chamber installation, including bedding, surround and marker tape to spec.

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Full Reinstatement

NRSWA-accredited reinstatement of footways and carriageways. Tarmac, block paving, concrete — permanent and to HAUC standards.

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EV Charger Cable Installation

Sub-main and DNO connections for rapid and ultra-rapid EV chargers — residential, commercial forecourts and fleet depots.

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Why we get picked

One contractor. The whole cable job.

Most jobs get stitched together from three or four different trades. We consolidate that into one competent team — fewer handovers, fewer delays, one point of responsibility.

Approved & accredited

NRSWA Unit 2 & 10, CSCS, SSSTS/SMSTS supervised, CHAS and Constructionline verified.

HV-capable in-house

Cable jointers, linesmen and authorised spikers on our own books — no last-minute subbies.

Plant & kit ready to roll

360s, dumpers, cable drum trailers, winches, rollers, mats — fully owned, turning up fuelled.

On-time, on-spec

RAMS, ITPs, daily diaries, as-built drawings — paperwork that actually lands in your inbox.

Built for the complicated jobs

Live substations. Tight urban sites. Deep digs around legacy utilities. The work that needs planning meetings before anyone picks up a spade.

  • ICP-accredited installation for new DNO connections
  • Working around live HV in accordance with G39 safety rules
  • Permit-compliant excavation in Section 58 and high-amenity footways
  • PAS 128 utility survey liaison and trial hole coordination
  • Joint bay construction in clay, running sand and tight urban footpaths
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Electrical Excavations crew laying cables with electric cable warning tape
Recent Projects

Cable work we've delivered lately

From 33kV pulls on industrial estates to ultra-rapid EV hubs and emergency storm-damage jointing — a snapshot of recent jobs across North London and the Home Counties.

Cable Pulling Watford, Hertfordshire

33kV Cable Pull & Jointing — Industrial Estate, Watford

Three drum lengths of 33kV triplex through a live industrial estate, pulled and jointed inside a four-day shutdown window.

Voltage33kV Scale600m / 3 joints DateJun 2025
EV Charger Hemel Hempstead

EV Rapid Charging Hub Cable Install — Hemel Hempstead

Eight 150kW rapid chargers brought live across a working forecourt without closing it for a single day.

VoltageLV / 11kV Scale8 chargers DateApr 2025
Cable Jointing Hertford, Hertfordshire

Emergency 11kV Cable Joint — Storm Damage Response

An 11kV joint built and tested in the dark and the wet, to get a Hertfordshire village back on supply after a storm-felled tree took out the overhead.

Voltage11kV ScaleEmergency DateDec 2024
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Got a cable job that keeps getting pushed back?

Send us the scope — we'll tell you honestly if we can crack it and when.

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