Staines One, Station Approach, Staines TW18 4LY info@petroffltd.co.uk · 020 4587 4384
Power utility infrastructure

Power infrastructure civils, LV to 33kV.

Trenching, joint bays, substation bases, cable pulling, backfilling and reinstatement for new development connections and network upgrades.

Get a quote Call 020 4587 4384
Ducts laid in an open trench on a power route
150km+of utility trenching
What we deliver

Power civils from trench to reinstatement.

Everything needed to get cables in the ground and the road back open.

LV–33kV trenching

Single and dual lay trenching and ducting for low and high voltage cable routes.

Joint bays

Joint bay construction for HV and LV cable jointing.

Substation bases

Concrete bases and foundations ready for substation and transformer installation.

Cable pulling

Cable pulling through ducted routes, ready for jointing and connection.

Backfilling & reinstatement

Backfill and permanent reinstatement of carriageways, footways and verges.

EV charging civils

Ducting, bases and groundworks for EV charging installations.

Open trench with electric cable warning tape
Live, congested routes

Careful digging where it matters.

Power routes often run through busy carriageways packed with existing services. Our teams are skilled at service avoidance and careful hand digging, so complex routes are delivered safely and without damage.

  • Service avoidance
  • Hand digging on sensitive routes
  • Congested carriageway crossings
  • Roads with heavy concrete depths
Recent work

Power projects.

All projects →
Ducts laid in an open trench at Beeston Park, Norfolk
Power infrastructure

Beeston Park

Norwich · Phase 2 in progress

Phase 2 of a major development connection route across Type 1–2 and 3–4 road networks. Petroff Ltd completed a major route of 33kV dual lay trenching, ducting, joint bays and cable pulling, including Type 1 roads with heavy concrete depths and other challenges.

  • 33kV dual lay trenching & ducting
  • Joint bays & cable pulling
  • Type 1 roads with heavy concrete depths
Reinstated trench running along a carriageway
Power infrastructure

Latimer Road

Wokingham · Completed

A dual HV route across an extremely congested carriageway crossing for a new development connection. Our power teams showed their skilled service avoidance and careful hand digging on this highly sensitive and complicated route.

  • Dual HV route installation
  • Skilled service avoidance
  • Careful hand digging on a sensitive route
Other services

More from Petroff.

One contractor for the whole job — from the trench to the final surface.

Need a power route built?

Tell us about the connection and we'll plan the civils around it.

Get a quote Call 020 4587 4384