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Automatic Door Installers

Sensor upgrades and replacement · Kent

Sensor upgrades and replacement in Dartford

Not every sensor fault needs a new sensor. Engineers in Dartford check the detection zone, mounting and wiring first, and only replace a sensor when adjustment will not fix it. Any parts are quoted to you before they are fitted.

Town
Dartford
Area
Kent
Postcodes
DA1, DA2
Guide price
Typically £195 to £495 ex VAT
  • Visit price agreed in writing first
  • Parts quoted before fitting
  • Written record of every visit
  • Most makes of automatic door
  • England, Wales, Scotland and NI

Covering Dartford and nearby

Addresses anywhere in the DA1 and DA2 postcode districts can book sensor upgrades and replacement through us. The engineer who attends works under our management and travels to the site. There is no branch in Dartford, so the price, the booking and the paperwork all come from one place.

Town-centre buildings in Dartford range from modern units to older shopfronts. Older frontages can have uneven floors, limited head height and timber frames that need checking before an operator is fitted or adjusted, and the engineer looks at these on site.

Nearby towns we also list for sensor upgrades and replacement (straight-line distance): Erith (3.0 miles), Bexleyheath (3.4 miles), Swanley (3.8 miles), Welling (4.7 miles), Northfleet (4.8 miles), Sidcup (5.0 miles).

What to think about for sensor upgrades and replacement in Dartford

  • Corridor doors that people walk past rather than through may work better on a touch-free switch than a motion sensor, cutting needless openings and heat loss.
  • Rain, snow and blowing leaves can trigger radar sensors over exposed doors. Some sensors filter weather better than others, which the engineer weighs up when choosing a replacement.
  • Entrances facing busy roads in Dartford can see false openings from passing vehicles and cyclists. A sensor with direction detection and a tighter zone usually helps.
  • Shopping parades and older shopfronts in Dartford sometimes have low transoms or canopies that limit where a sensor can be mounted. The engineer checks height and angle first.
  • Sensor changes on escape route doors must never stop the door opening when it needs to. The engineer checks the door's escape mode after any sensor work.

Sensor upgrades and replacement in Dartford: guide prices

The visit price is agreed in writing before an engineer attends; parts and any further work are quoted before they are done. Guide price: typically £195 to £495 ex VAT.

ItemGuide priceNotes
Add or replace a safety or activation sensor£195 – £495per sensor fitted, ex VAT
Touch-free switch or push pad£145 – £395per switch, ex VAT
Side-screen or light-curtain protectionfrom £295per door, ex VAT; on survey

Sensor prices cover the part, fitting and set-up. If a sensor is fitted on a visit of its own, the visit charge (from £95 ex VAT) is added, and we confirm the total in writing before an engineer attends. Each sensor is set up for the door and tested before the engineer leaves.

Standards and rules in England

No law sets a fixed service interval. We recommend that a trained engineer checks the safety functions at least once a year, with service intervals set by the manufacturer’s instructions and how heavily the door is used, and that someone on site carries out simple regular checks and keeps a record.

Workplace law (the Workplace (Health, Safety and Welfare) Regulations 1992) expects powered doors to have suitable and effective features to stop them trapping anyone and, where needed for safety, to open by hand unless they open automatically if the power fails. Doors at work must also be kept in efficient working order under a suitable system of maintenance. HSE guidance on those regulations says the frequency of maintenance depends on the equipment and the manufacturer’s information.

How it works

  1. Share the details. Send the address in Dartford, the door type and make if you know it, and a description or video of the problem. For servicing, tell us how many doors there are and how busy each one is.
  2. Price confirmed in writing. We agree the visit price in writing before an engineer attends. Some straightforward repairs can be priced in full from photos and the make and model of the door.
  3. Diagnosis and repair. A specialist engineer attends on the agreed date, finds the cause, repairs or services the door, and tests its operation, sensors and safety functions with reference to BS EN 16005.
  4. Written record. Each visit ends with a written record for your files. Anything still outstanding, such as parts on order or recommended upgrades, is quoted before any further work is done.

Has a risk assessment in Dartford listed sensor upgrades? Send us the report and we will quote each item before any work is done.

Sensor upgrades and replacement in Dartford: questions

Will new sensors stop false openings at our entrance in Dartford?

Usually. Modern sensors can ignore cross traffic and detect only people moving towards the door, and the zone can be narrowed. If the entrance faces a busy street or catches heavy weather, the engineer may suggest a sensor that filters those conditions better.

What price range should I expect for sensor upgrades and replacement in Dartford?

Our guide is £195 to £495 excluding VAT (per sensor fitted), the same guide prices we use across the UK. We agree the visit price in writing before an engineer attends in Dartford, and quote any parts or further work before doing them. The price guide lists typical repair and service costs.

Do you replace automatic door sensors in Dartford?

Yes. Sensor replacement and upgrades in Dartford are booked and managed by us and carried out by engineers who specialise in automatic doors. They work on sensors for sliding, swing, folding and revolving doors from most makers. The visit cost is set in writing before they attend, and each new sensor is tested before they leave.

Can a risk assessment in Dartford tell us which sensors we need?

Yes. A safety inspection tests each hazard zone and records where sensor coverage is missing or poor. The report then lists the sensors or light curtains needed, and we can quote those items exactly as listed, or you can pass the report to another competent installer.

Can visits in Dartford be arranged outside working hours?

Yes, where the site needs it. Early-morning, evening and weekend visits can be arranged for shops, surgeries and offices that cannot lose their entrance during the day. Any difference in price for out-of-hours attendance is agreed in writing before the visit is booked, alongside the standard visit price.

How is the visit price set for work in Dartford?

We agree the visit price with you in writing before an engineer attends. It is based on the type of door, the work requested and the location. If parts or further work are needed once the engineer has found the cause, those are quoted before they are done, so the cost never moves without your agreement.

Which building regulations apply to a new automatic entrance in Dartford?

In England the guidance is Approved Document M (Volume 2) for access, Approved Document B for fire safety and escape routes, and Approved Document K for glazing and powered doors. A new entrance can count as building work, so building control should be involved before it is ordered.

Next step

Sensor upgrades and replacement in Dartford

Send the address, a photo if you have one and what the door needs to do. New installations get a free site survey and a fixed written quote; repairs and servicing are priced in writing before we attend.