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Automatic Door Installers

Drive unit replacement · Greater London

Drive unit replacement in Carshalton

A new drive unit fitted to an existing door in Carshalton comes with new sensors where needed, a set-up tested with reference to BS EN 16005 and the conformity paperwork for the finished door, all priced on a fixed quote.

Town
Carshalton
Area
Greater London
Postcodes
SM5
Guide price
Typically £1,995 to £3,995 ex VAT
  • Free site survey for new doors
  • Fixed, itemised written quote
  • Set up with reference to BS EN 16005
  • England, Wales, Scotland and NI
  • Guide prices published

Covering Carshalton and nearby

Coverage for drive unit replacement runs across the SM5 postcode district and out into the surrounding parts of Greater London. Wherever the building is, the arrangements stay the same: one contracting party, a written price before work, and a specialist engineer working under our management on site.

Office entrances in Carshalton commonly combine automatic doors with turnstiles, concierge desks and card access. When the operator is wired into those systems, staff pass through quickly, visitors are let in from reception and the building locks down outside working hours.

Nearby towns we also list for drive unit replacement (straight-line distance): Sutton (1.9 miles), Mitcham (2.4 miles), Morden (2.5 miles), Croydon (3.1 miles), Purley (3.2 miles), Ewell (3.8 miles).

What to think about for drive unit replacement in Carshalton

  • Ask for the paperwork. A converted door should come with its risk assessment, Declaration of Conformity and user instructions, which belong with your building and maintenance records.
  • Worn floor guides and rollers can shorten the life of a new operator. It is often worth replacing them during the same visit rather than coming back later.
  • Business parks and office blocks in Carshalton with several identical doors can replace operators in phases, keeping at least one entrance open at all times.
  • Older shopfronts in Carshalton may have headers made for discontinued operators. Adapter plates usually allow a new drive unit to fit, which the survey confirms before you commit.
  • Busy retail entrances in Carshalton may prefer the changeover after closing time or on a quiet trading day. Tell us your hours when you book the survey.

Drive unit replacement in Carshalton: guide prices

The site survey is free, including the measured drawing and a fixed, itemised written quote. Guide price: typically £1,995 to £3,995 ex VAT.

ItemGuide priceNotes
New drive unit on an existing automatic sliding door£1,995 – £3,995existing leaves kept, installed, ex VAT
New operator on an existing automatic swing door£1,795 – £3,995installed, ex VAT
Sensors replaced at the same time£195 – £495per sensor, ex VAT

Standards and rules in England

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.

Standards are not retrospective, so an older door does not become unlawful when a standard is updated; a site-specific risk assessment shows whether any upgrades are sensible. BS EN 16005 is the current standard for the safety in use of powered pedestrian doors, and BS 7036-0:2014 is the British code of practice for risk assessment and risk reduction used alongside it. Standards are not law in themselves, but they are the recognised benchmark for showing an automatic door is safe to use, and we set up, test and document doors with reference to them.

How it works

  1. Send photos and the address. A few pictures of the door from both sides, the address in Carshalton and a note of who uses the entrance help us understand the job before anyone visits the site.
  2. No-cost survey on site. We arrange a survey at a time that suits the building. The engineer records measurements, fixings and power, plus any constraints such as listed status, opening hours or access for deliveries.
  3. Itemised quote to approve. We price every element of the work on drive unit replacement separately in a written quote that you can check, share and approve. Lead time and payment stages are stated, and nothing is ordered until you accept.
  4. Fit, test and hand over. On the agreed dates the engineer installs the equipment, commissions the operator and tests each safety function. You get a demonstration, the test record and any conformity paperwork that applies to the work.

Book a free survey in Carshalton to find out whether a new drive unit will bring your automatic door back to reliable use. The quote is fixed and itemised.

Drive unit replacement in Carshalton: questions

What lead time should we expect in Carshalton?

Once the quote is accepted, drive units are typically 2 to 4 weeks to arrive, depending on the length and weight rating needed. The changeover date is agreed with you as soon as the parts are confirmed, and it can be planned around your opening hours.

What is the guide price for drive unit replacement in Carshalton?

Our guide is £1,995 to £3,995 excluding VAT (per door), the same guide prices we use across the UK. The free site survey in Carshalton confirms the price as a fixed, itemised written quote, and the guide price tool gives you a range before anyone visits.

What if the frame of our door in Carshalton is not worth keeping?

Then we will tell you. Damaged or corroded frames, glass that is not safety glass, or an opening that is too narrow for the people using it are all reasons to choose a new door instead. We can quote both options so you can compare them side by side.

How long will our entrance in Carshalton be closed for the changeover?

A standard sliding door changeover typically takes a day, and a swing operator often less. The work can be scheduled early, after closing or at a weekend so it causes less disruption. Your quote shows the planned date and how long the entrance will be out of use.

Is there a warranty on drive unit replacement?

Yes. The warranty terms for the equipment and the installation are set out in your written quote, so you can see exactly what is covered before you accept. Keeping the door serviced at the recommended intervals helps keep it in good order, and the quote explains any conditions that apply to the warranty.

Can automatic doors be fitted to a listed building in Carshalton?

Often, yes, but listed building consent is normally needed for changes that affect the character of the building, inside or out. Slim operators, concealed fixings and automating the existing door can all reduce the visual impact. Speak to the conservation officer at the local planning authority early; we can provide drawings and specifications to help.

Do businesses in Carshalton have to fit automatic doors?

No law says every building must have automatic doors. Under the Equality Act 2010, service providers and employers must make reasonable adjustments for disabled people, and building regulations guidance in England calls for a powered door where an entrance door would otherwise be too heavy to open. An automatic door is often the simplest way to meet both.

Next step

Drive unit replacement in Carshalton

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.