- Location
- Hatfield, Hertfordshire
- Main postcode district
- AL10
- Nearby (straight line)
- Welwyn Garden City (3 miles), St Albans (5 miles) and Potters Bar (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 Hatfield?
Food manufacturers in Hatfield moving finished product into frozen storage need doors that resist ice and close quickly behind each forklift or trailer movement. Pharmaceutical and healthcare stores around Hatfield with tight temperature ranges can pair an insulated dock door with interlocks so the opening stays closed until a trailer is sealed.
Any cold store dock survey in Hatfield is carried out with the store running, so we can see ice, seals and traffic as they really are.
Before anything is ordered, we visit your site in Hatfield for a free survey and then send a written quote with a fixed price. From that point we manage the installation, coordinating delivery, access and any other trades. Fitting is done by specialist installation engineers engaged and managed by us, at times that suit your operation, including out of hours where agreed. You get a tested installation, a demonstration for your team and the manufacturer documentation.
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.
How should a door be specified for a chilled dock compared with a freezer dock?
A chilled dock needs a well-insulated, well-sealed door, while a freezer dock also needs heating to stop ice forming in the frame and seals. The temperature difference across the door drives most specification choices.
- Chilled docks: an insulated sectional door at the thicker end of the common 40 to 80 mm panel range, good perimeter seals and a shelter or seal outside usually do the job.
- Freezer docks: thick panels, thermal breaks in the panel joints, heated side frames and a heated bottom seal, plus a fast operator to cut open time.
- Doors between zones: an insulated high-speed door often suits openings between a chilled marshalling area and a freezer, where traffic is constant.
- Vision panels: possible, but they reduce insulation and can mist, so many freezer docks leave them out.
A cold store door is only as good as the seal around the trailer, which is why we specify the door, shelter and leveller together.
The same published guide range applies across England; access, out-of-hours working and site conditions are confirmed at the free survey.
What does the free survey cover?
- Drainage on recessed or sloping dock approaches
- Control positions, isolators and any existing interlocks
- Age and condition of the equipment already in place
- Temperature requirements for chilled, frozen or ambient goods
- Scope to convert ground-level doors into docks or add lift tables
- Access for deliveries, cranes or lifting equipment during installation
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 high-speed door
A fast door with an insulated curtain for busy openings between temperature zones, where cutting open time matters more than maximum insulation.
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 Hatfield, 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 Hatfield
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 Hatfield, 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.
Will you deal with building control and planning for a project in Hatfield?
We check at survey whether the work is likely to need approval. Forming a new opening or dock pit may need Building Regulations approval, a building warrant or building control approval, depending on the nation, and external structures such as loading houses can need planning permission. Where approval is needed, we explain what is involved, work with your designer or agent, and build it into the programme.
Can you work outside our normal operating hours in Hatfield?
Yes, by arrangement. Evening, night and weekend working can be planned so the installation causes as little disruption as possible to your loading schedule. Out-of-hours work can affect the price, so mention it at the survey and we will include it in the written quote. The agreed times are confirmed in the programme before the job starts.
Do cold store doors need more frequent servicing?
Yes, cold store doors generally benefit from more frequent servicing than ambient dock doors. Low temperatures stiffen seals, stress springs and cables, and hide early ice build-up. Checking heaters, seals and operator settings before winter is particularly worthwhile. Servicing visits are chargeable and agreed in advance.
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 Hatfield
Nearby places we cover, measured from Hatfield, include Welwyn Garden City (3 miles), St Albans (5 miles) and Potters Bar (5 miles). Ask if your own town is missing.
Other loading bay services in Hatfield
Full guide to cold store dock doors · Everything we do in Hatfield
Use the quote tool to tell us about the doors, levellers or shelters at your Hatfield site, and we will be in touch to arrange the next step.