- Location
- Trowbridge, Wiltshire
- Main postcode district
- BA14
- Nearby (straight line)
- Westbury (4 miles), Melksham (5 miles) and Bath (8 miles)
- Survey and quote
- Free, with a fixed written quote
A vehicle restraint is a device at a loading bay that physically holds a trailer against the dock until it is safe to leave. In the UK most systems act on the rear wheel, either as a powered wheel-based restraint or a sensor wheel chock. Restraints guard against early drive-away and trailer creep, and are usually interlocked with the door and dock traffic lights.
Where does this fit at a dock in Trowbridge?
Yards around Trowbridge that park uncoupled trailers at the dock can see trailers creep under forklift traffic, and a wheel-based restraint helps keep the leveller lip on the bed. Operators in Trowbridge reviewing their workplace transport risk assessment often look at restraints when key control alone has proved hard to enforce across shifts.
Busy cross-dock and parcel operations in Trowbridge with frequent trailer swaps have more chances for an early drive-away, which is where a physical restraint adds real protection.
Keeping the dock running is usually the first concern, so we plan around it. After a free survey of your Trowbridge site and a written quote at a fixed price, we agree when each bay can be released and whether any work should happen out of hours. Specialist installation engineers working under our management then fit the equipment, and we test it and hand over the documentation before the bay goes back into use.
What is trailer creep and how does a restraint stop it?
Trailer creep is the gradual movement of a parked trailer away from the dock, caused by forklifts braking and accelerating as they drive on and off the trailer bed. Each movement pushes the trailer forward slightly, and over a full load the gap can grow.
Creep is more likely when:
- the trailer is uncoupled from its tractor unit and resting on its landing legs;
- air suspension or brakes have not been set correctly by the driver;
- forklifts are heavy, fast or carrying dense loads such as drinks or building materials;
- the yard falls slightly away from the building.
As the trailer moves, the leveller lip can lose its bearing on the trailer bed, and in the worst case the lip slips off with a forklift on it. A wheel-based restraint holds the wheel against the rail or chock, so the trailer cannot travel forward however many times a forklift drives on and off.
How much does a vehicle restraint cost?
A vehicle restraint typically costs £4,200 to £9,800 per bay, supplied and installed, excluding VAT. Sensor wheel chocks linked to the dock controls usually sit towards the lower end, and fully automatic wheel-based restraints with rail and interlocks towards the upper end.
What moves the price:
- Restraint type: a sensor chock needs far less hardware and groundwork than a powered, rail-mounted wheel restraint.
- Yard condition: rail-mounted units need a sound, level concrete apron. Broken concrete or tarmac may need a new base, priced after survey.
- Cabling: the distance from the restraint to the dock control panel, and whether ducts must be cut into the yard.
- Integration: linking to existing door and leveller controls is simpler on modern panels; older panels may need replacing.
- Number of bays and working hours: several bays in one project spread set-up costs, while out-of-hours work adds cost.
All figures are guide budgets. After a free site survey we send a written quote, and that quote is the fixed price. VAT is added at the standard rate.
The same published guide range applies across England; access, out-of-hours working and site conditions are confirmed at the free survey.
Survey checklist for your dock
- Headroom above the opening and which track type will suit it
- Access for deliveries, cranes or lifting equipment during installation
- Wheel guide positions and yard markings for reversing vehicles
- Clear opening width and height for each door
- Control positions, isolators and any existing interlocks
- Age and condition of the equipment already in place
Options to discuss
Automatic wheel-based restraint
A powered arm on a yard-mounted rail that locates against the rear wheel at the push of a button and signals the dock controls once the trailer is held.
Sensor wheel chock
A heavy-duty chock with a sensor or parking station that tells the dock controls when it is in place. Minimal groundwork and suited to retrofit on existing bays.
Planning, building control and safety law in England
Powered doors and dock equipment installed in England may carry the UKCA or the CE mark, and doors are covered by the product standard BS EN 13241. We hand over the relevant documentation for each item fitted in Trowbridge. Planning and Building Regulations questions are never assumed either way: we check what applies at survey, so you know before work is booked.
Questions about vehicle restraints in Trowbridge
How long does installation take at a site in Trowbridge?
It depends on the equipment, the number of bays, the condition of the dock and whether any building or electrical work is needed. We agree a programme with you after the survey, setting out which bays are out of use and when. Larger jobs are usually phased so that part of the dock stays open, and out-of-hours working can be arranged.
How do you price vehicle restraints for a site in Trowbridge?
Guide budgets for supply and fit are £4,200 to £9,800 per bay, excluding VAT. The figure moves with size, insulation, the operator, electrics, access, any pit or groundworks and out-of-hours working. Where levellers are involved, the guide assumes an existing, sound pit. After the free survey you receive a fixed written quote, and that is the price for the agreed scope.
Do you remove and dispose of the old equipment?
Yes, where it is part of the scope. When we replace doors, levellers, shelters or seals at a site in Trowbridge, removal and disposal of the old equipment can be included and is itemised in the quote, so it is clear what is covered. If anything should be kept, such as a frame or motor that is still serviceable, we agree that at survey.
What happens if a powered restraint loses power?
Powered restraints are normally designed with a manual release so a trailer is not trapped on the bay if power is lost. Your site procedure should say who is allowed to use the release and what checks they make first. We explain the release method at handover.
Is a vehicle restraint a legal requirement?
Not in every case: HSE guidance (followed by HSENI in Northern Ireland) says there should be safeguards against drivers driving away too early, and a vehicle restraint is one of the measures it lists. Traffic lights and the person in charge keeping keys or paperwork are the others. Which measures you use should follow your risk assessment. In Northern Ireland the regulator is HSENI.
Vehicle restraints near Trowbridge
Sites close to Trowbridge get the same service, including those in Westbury (4 miles), Melksham (5 miles) and Bath (8 miles), with every job run the same way.
Other loading bay services in Trowbridge
Full guide to vehicle restraints · Everything we do in Trowbridge
Request a quote for your loading bay in Trowbridge, attaching photos of the dock, the equipment and any damage.