Covering Chelsea and nearby
Homes, businesses and public buildings throughout the SW3 and SW10 postcode districts can arrange drive unit replacement with us. We are the contracting party and organise every visit; the engineer, who works under our management, travels in to Chelsea for the job rather than working from premises in town.
Security matters on busy London streets, so entrances in Chelsea often need doors that lock firmly at night and work with alarms, shutters or access control. The operator, the locking and any shutter are planned together so they work in the right order.
Nearby towns we also list for drive unit replacement (straight-line distance): Battersea (1.1 miles), Kensington (1.3 miles), Fulham (1.4 miles), Westminster (1.6 miles), Clapham (2.2 miles), Shepherd's Bush (2.5 miles).
What to think about for drive unit replacement in Chelsea
- 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.
- Doors linked to the fire alarm or access control in Chelsea need those links rewired to the new controller. Let us know which systems connect to the door.
- Battery backup is easier to add with a new drive unit. It lets the door open or close safely in a power cut, which matters most on escape routes.
- Business parks and office blocks in Chelsea with several identical doors can replace operators in phases, keeping at least one entrance open at all times.
- Heavy glass leaves need an operator rated for their weight. The survey records the size and glass type of each leaf so the right drive unit is specified.
Drive unit replacement in Chelsea: 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.
| Item | Guide price | Notes |
|---|---|---|
| New drive unit on an existing automatic sliding door | £1,995 – £3,995 | existing leaves kept, installed, ex VAT |
| New operator on an existing automatic swing door | £1,795 – £3,995 | installed, ex VAT |
| Sensors replaced at the same time | £195 – £495 | per sensor, ex VAT |
Standards and rules in England
Whoever motorises a manual door, or builds an automatic door from separate parts, may take on the manufacturer’s legal duties for the finished door: a risk assessment, a technical file kept available for the authorities, a Declaration of Conformity, the conformity marking and instructions. You receive the Declaration of Conformity and the instructions at handover. In Great Britain a new or converted powered door must meet the Supply of Machinery (Safety) Regulations 2008 before it is first used, and can carry the UKCA or the CE marking.
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.
How it works
- Describe what you need. Whether the job is drive unit replacement for a busy entrance or for a single internal door, a brief description and some photos let us understand it and plan a survey visit in Chelsea.
- Free visit to the site. An engineer working under our management assesses the opening, the existing door and frame, the floor and the electrical supply, and notes any access, consent or timing issues to plan around.
- Your fixed quotation. The quote is fixed for the work it describes and lists each item, including any removal, making good and electrical work. It also states the lead time, the payment stages and the warranty terms.
- Fitting and sign-off. Work goes ahead on dates agreed with you. Once fitted, the door is adjusted and its safety functions are tested and recorded with reference to BS EN 16005, and you are shown how to use it.
Send the make and model from the operator cover of your door in Chelsea, and we will arrange a survey at no cost for a replacement drive unit.
Drive unit replacement in Chelsea: questions
What if the frame of our door in Chelsea 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.
What is the guide price for drive unit replacement in Chelsea?
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 Chelsea confirms the price as a fixed, itemised written quote, and the guide price tool gives you a range before anyone visits.
What lead time should we expect in Chelsea?
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.
Do you replace automatic door drive units in Chelsea?
Yes. We are the contracting party for drive unit replacements in Chelsea, and the survey and changeover are carried out by specialist engineers we manage. The survey is free and checks that the frame and leaves are worth keeping. You then receive a fixed, itemised quote for the new operator, sensors and any other parts the door needs.
Do you service doors in Chelsea after installing them?
Yes. We recommend 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; busy doors are often serviced more often. Servicing can follow on from the installation, with the price agreed in writing and a record left after every visit.
How much disruption should we expect while the work is done in Chelsea?
Most installations take one visit or a short series of visits, with dust and noise kept to the area around the door. The engineer screens off the work area, keeps a route in or out where possible and clears up before leaving. Larger entrances, lobbies or structural changes take longer, and the quote explains how that work is phased.
Do businesses in Chelsea 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.