- Location
- Barnet, Greater London
- Main postcode district
- EN5
- Nearby (straight line)
- Potters Bar (3 miles), Borehamwood (3 miles) and Enfield (5 miles)
- Survey and quote
- Free, with a fixed written quote
A cold store dock door is an insulated loading bay door built for chilled or frozen buildings, usually a sectional door with thick insulated panels or a high-speed door with an insulated curtain. It differs from a standard dock door in its thermal breaks, extra seals and, on freezer docks, heating in the frame or seals so that ice cannot lock the door shut or tear the seals.
Where does this fit at a dock in Barnet?
A chilled distribution centre in Barnet opens its dock doors many times a shift, so the door specification matters far more than at an ambient bay. Any cold store dock survey in Barnet is carried out with the store running, so we can see ice, seals and traffic as they really are.
During warm, humid spells, any cold store dock in Barnet is most exposed to condensation and ice, which is why heated frames and good shelters are worth considering.
Step one is a survey at your site in Barnet, which costs nothing and carries no obligation. Step two is a written quote with a fixed price and a clear scope. Step three is installation, scheduled around your operation and carried out by specialist installation engineers working under our management, including evenings or weekends if agreed. Step four is handover, when the equipment is tested in front of you and the paperwork is passed over.
How can a cold store door be replaced without losing temperature?
A cold store door can be replaced with very little temperature loss if the work is planned around the store, with the opening screened and the fitting done in one continuous visit.
On a live cold store we usually:
- schedule the work for the quietest period, often overnight or at a weekend,
- fit a temporary insulated screen or strip curtain while the opening is exposed,
- remove ice from the old frame and threshold before fixing the new door,
- pre-assemble as much as possible so the opening is exposed for the shortest time.
From your side we need product moved back from the opening, any site permits for working in cold areas, and power for the operator and frame heaters. Heated frames typically need their own supply, which we set out in the quote. Our cold store loading bays guide covers planning the work in more depth.
How much does a cold store dock door cost?
A cold store dock door typically costs £4,800 to £9,500 per door, excluding VAT, supply and fit. Chilled docks usually sit lower in that range than freezer docks, because freezer doors need more insulation and frame heating.
Price is mainly driven by:
- Operating temperature: chilled, frozen, or a door between two temperature zones.
- Door type: insulated sectional, insulated high-speed, or both at one opening.
- Heating: heated frames, heated bottom seals or threshold heating to stop ice forming.
- Panel thickness and thermal breaks: thicker panels and better breaks reduce condensation and heat gain.
- Controls: faster operators, interlocks with shelters and levellers, and automatic closing.
- Working conditions: installing in a live cold store often means out-of-hours work and temporary screening.
We price each door after a free site survey, and the written quote fixes the cost.
The same published guide range applies across England; access, out-of-hours working and site conditions are confirmed at the free survey.
What we look at on site
- Wall and steel structure for door, shelter and bumper fixings
- Gaps around trailers where heated or chilled air escapes
- Asbestos register and any other site hazard information
- Escape routes and pedestrian doors close to the bay
- How drivers are prevented from pulling away too early
- Drainage on recessed or sloping dock approaches
Options to discuss
Dock interlocks
Controls that link the door to the shelter, leveller and restraint so the door only opens when a trailer is docked and sealed against the building.
Insulated sectional cold store door
Thick insulated panels with thermal breaks and full perimeter seals, the usual choice for chilled and frozen external dock openings that also need to be secure overnight.
Regulations and approvals in England
In England, Approved Document L (2021) sets a limiting U-value of 1.3 W/m²K for vehicle access and similar large doors in new and replacement work. That shapes door specification for sites in Barnet, so we confirm the requirement for your project and check what applies at survey before recommending a door.
Questions about cold store dock doors in Barnet
Is the site survey in Barnet free?
Yes. For new installations, replacements, upgrades, conversions and complete bays, the site survey and written quote are free and come with no obligation. The survey lets us measure the openings, check the dock and structure, and understand how the bay is used, so the quote reflects your site. Repair and servicing visits are different: they are chargeable, with the price agreed before anyone attends.
Can you work alongside our main contractor on a new build in Barnet?
Yes. For new warehouses and fit-outs, we can supply and install the dock package as part of a wider project, working to the main contractor's programme, site rules and permits. We will need drawings, dock levels and the programme, and we coordinate pit details, power supplies and door openings with the relevant trades before installation begins.
Do you cover Barnet for cold store dock doors?
Yes. We take on cold store dock doors for businesses in Barnet and across Greater London. We survey the site, provide a fixed written quote and manage the installation, with specialist installation engineers working under our management. Visits are arranged in advance at a time that suits your operation, and the same single contact stays with the job through to handover.
What happens to a cold store door in a power cut?
In a power cut the door stops where it is and the frame heating switches off, so it must be possible to operate the door by hand. Powered dock doors normally have a hand chain, crank or release for this. We show your team how to use it at handover so the store can be closed up quickly.
Will a new door reduce our refrigeration load?
A better-sealed, better-insulated door that stays shut except when a trailer is docked reduces the warm air entering the store, which is a significant source of load at a cold store dock. We cannot promise a figure, because results depend on your store, traffic and the rest of the dock, but the mechanism is well understood.
Cold store dock doors near Barnet
If your site is not in Barnet itself, it may be near one of these: Potters Bar (3 miles), Borehamwood (3 miles) and Enfield (5 miles). Pick the closest.
Other loading bay services in Barnet
Full guide to cold store dock doors · Everything we do in Barnet
Speak to us about your Barnet loading bay. We will ask the right questions, then set out the next step clearly.