The best and most cost-effective way to manage your doors is by performing routine maintenance checks on the individual components to ensure they operate smoothly and without issues.
We supply and install Dorma door hardware for high-performance commercial doors and offer same-day Dorma door repairs across the southeast of England. Preventative maintenance enables you to manage the wear and tear on your doors and alerts you that something may require servicing.
It could just be that you need a bit of oil applied to the hinges or a screw tightened - act on it now before it gets too bad and breaks.
Our Dorma door technicians and installers are experienced in repairing Dorma doors for commercial properties in London, Surrey, Kent, West Sussex, Berkshire, and Buckinghamshire, and offer 10% off with every new customer that chooses Instant Glass.
Dorma door products are designed and manufactured to industry standards and are widely used throughout the commercial sector.
Call our office and receive expert guidance to help you make the right glazing decisions for your commercial property.
We’ll help you decide on the best Dorma door closers, operators, locks, exit devices, and electronic access components; just let us know what you want. All our work is guaranteed.
Get in touch with our friendly commercial glaziers for a Free Dorma Door Repair Consultation or request a 24-hour emergency glazier for a rapid response.
We offer a wide range of Dormakaba Door Hardware to fit any size or style of door.
Trusted by leading architects & designers
When you choose Dormakaba door hardware, expect industry standards.
Our commercial door technicians are trained to repair your Dorma doors and supply replacement door components where necessary.
We work with architects, designers, and builders to install Dorma door hardware for businesses across the southeast of England, including London, Surrey, Hertfordshire, Kent, East Sussex, West Sussex, Berkshire, Buckinghamshire and throughout the South East.
Transform almost any manual door into an acoustic swing door. Silent, energy-efficient, and durable swing door operators are preferred in commercial settings and recommended for medium to heavy-duty use. Whether installing new doors or upgrading existing ones, our Dorma door technicians are here to help.
Dorma Floor SpringsDorma floor springs are recommended throughout the southeast of England for all types of frameless commercial doors. Our glaziers supply and install a wide range of Dorma floor springs, including standard, narrow, wide, LH, RH, single, and double-action door springs. We also offer door accessories with a wide variety of door constructions and floor coverings.
Mechanical Dorma Door LocksSpeak to a commercial glazier about the best mechanical door locks for your commercial glass doors. We supply and fit cylindrical, mortice, deadbolt, tubular, and keyless locks for Dorma doors and offer 24-hour Dorma door lock repairs for emergencies anywhere in the southeast of England.
Surface-applied and concealed Dorma door closers are available and can be selected to complement the design of any door or commercial setting. These high-security door closers for Dorma doors ensure the safety and security of your business premises and are installed with all the fixtures, including mounting plates and brackets.
Dorma Glass Door Access ControlInstalling a glass door Access Control system in your commercial building is highly beneficial as it allows you to trace who is going where, when, and for how long. Allocate access to a designated group of trusted staff members and run your business more efficiently from a distance. We can repair, replace, and upgrade your Dorma Access Control system.
Dorma Door Exit DevicesIn line with British security standards, our experienced technicians repair, supply, and install narrow and wide stile exit devices for commercial Dorma doors. Request more information on the types of exit devices available at Instant Glass, including Motorised Latch Retraction (MLR) and Delayed Egress (DE).
In an emergency, our Dorma door repair technicians guarantee a fast response anywhere in London, Surrey, Hertfordshire, Kent, East Sussex, West Sussex, Berkshire, Buckinghamshire and throughout the South East.
Doors often get damaged during break-ins and burglaries, leaving the property exposed to further risk. Have you arrived at work to find your Dorma door lock is broken? Does your Dorma door need servicing after a burglary?
At Instant Glass, we understand what you are going through and act fast to help you secure your business premises as quickly as possible.
We provide boarding up for commercial properties as a temporary security solution to ensure your safety until a suitable glass replacement is ready to
be installed.
Yes. We provide Dorma door repairs for shops, offices, schools, gyms and hospitality venues throughout London, Surrey, Kent, East & West Sussex, Berkshire and Buckinghamshire.
No — we do not charge a call-out fee. You’ll receive a fixed, transparent quotation before any repair or replacement parts are fitted.
Floor springs, overhead closers, concealed closers, patch fittings, pivots, top/bottom arms, transom closers, locks, handles, glazing rails and door glass. We also realign doors and adjust closing speeds and latching action.
Yes. These are classic symptoms of worn floor springs/closers or incorrect adjustment. We can often restore safe operation on the first visit with setup or part replacement to UK safety standards.
Absolutely. We provide emergency glaziers and boarding up 24/7 to make premises safe, then complete the Dorma hardware repair or replacement fast.
Where possible we supply like-for-like Dorma / dormakaba components. If obsolete, we specify high-quality compatible parts and adapt fixings to preserve the door’s appearance and performance.
Yes. We work on manual swing doors and many automatic systems (subject to controller/sensor spec). We assess compliance with safety edges, sensors and emergency egress requirements where applicable.
Certainly. We regularly service Axim, Geze and other commercial systems alongside Dorma hardware, keeping all entrances safe and consistent in operation.
Yes — our commercial maintenance plans include scheduled inspections, lubrication, adjustments and reporting to extend hardware life and maintain compliance.
Yes. We’re SafeContractor approved, fully insured and our repairs are carried out by qualified technicians. All work is backed by an Instant Glass guarantee for peace of mind.
Pricing depends on door type, parts required and access. We always provide a fixed, no-obligation quote before work — no call-out fee and no hidden charges.
Call 0800 368 9556, WhatsApp 07889 509319, email [email protected] or use the online request form. We’ll confirm availability and ETA.
At Instant Glass, we pride ourselves on offering a prompt and professional glazing service to businesses across Southeast England.
Our 24-hour accredited commercial glaziers specialise in same-day Dorma door repairs and offer a mobile glass repair service seven days a week. Call us today to discuss your project, and we will answer any questions you have.
Receive expert guidance based on your requirements and make informed decisions to ensure you get the most out of our service.At Instant Glass, we pride ourselves on offering a prompt and personal glazing service to homes and businesses across the Southeast of England. Our certified glaziers specialise in same-day glass repairs, which are available 24/7 for emergencies.
Contact us today to discuss your project and make the most of our service.At Instant Glass, our efficient emergency glaziers are experienced in
dealing with the Police and will work alongside them to ensure your
property is secured. We understand the process involved in gathering
evidence and know not to begin work until authorised. In an emergency,
it doesn’t matter what time of day or night it is; we are open all the
time and on-call for when you need us the most.
Instant Glass has become a first port of call for residential and commercial customers across London and the Southeast of England who are looking for quality glazing solutions.
We’re proud of our track record of providing complete client satisfaction on a huge number of commercial and domestic contracts, using skilled and experienced technicians with a commitment to great service. We’re also very proud to offer competitive rates without compromising quality or service in BH, BR, BN, CR, CT, DA, E, EC, EN, GU, HA, IG, KT, ME, MK, N, NW, OX, PO, RG, RH, RM, SL, SO, SM, SE, SW, TN, TW, UB, WD, and W postcodes.
Don’t hesitate to contact us today to get a free quote and find out more about the areas we cover, including London, Surrey, Hertfordshire, Kent, East Sussex, West Sussex, Berkshire, Buckinghamshire and throughout the South East.
If you are looking for a 24-hour service from a well-established professional glazing company, then please check see if we cover your area.

Our experienced, insured, licensed and certified
technicians provide hassle-free installations
of glass and glazing for residential and
commercial premises.


