Security glass for doors in Derry: what will it cost?
As a guide, allow £150 to £510 including VAT (£125 to £425 plus VAT) per door for security glass for doors in Derry, supplied and fitted. Size, glass makeup, access and frame condition move the price, which is confirmed in writing after the free survey.
Security glass for doors replaces the glazed panel in a front, back or side door with laminated safety glass, usually in a sealed unit with a toughened outer pane. It stops the common trick of breaking the glass to reach in and turn a key or thumb-turn left in the lock.
Options for security glass for doors in Derry
- Composite door cassettes where available
- Internal beads or security tape so glass is much harder to remove from outside
- Laminated backing for leaded and bevelled panels
- Works with timber, uPVC, composite and aluminium doors
- Safety glass suitable for critical locations
- Laminated inner pane with toughened outer pane
Fitting in Derry and nearby
We can arrange security glass for doors anywhere in Derry (BT48). Dates depend on installer availability.
Londonderry's listed walled city and riverside offices, Coleraine's university-town centre and the north coast at Portstewart sit alongside the market towns of Magherafelt and Limavady.
Typical settings for security glass for doors:
- Doors with a thumb-turn lock near the glass
- Front doors with glazed side panels
- Flat entrance doors with vision panels
- Back and side doors with a large glazed panel
Getting the right glass for your building
Composite door glass
Some composite doors use a cassette made by the door's maker. We check whether a laminated version is available before quoting.
Keep the design
Most decorative glass can be copied or rebuilt with a laminated backing pane, so the door looks the same.
What the rules say in Northern Ireland
Safety glass in critical locations
In Northern Ireland, safety glazing is covered by Part V of the Building Regulations (Northern Ireland) 2012, with guidance in Technical Booklet V. It follows a critical-location approach similar to Great Britain, covering glazing in and beside doors and at low level. Laminated or toughened safety glass is the usual answer; building control at the council can confirm the detail.
Replacing glass in an existing frame
Building regulations in Northern Ireland are administered by the eleven councils' building control services. Replacing only the glass in an existing frame is generally treated as a repair, while replacing whole windows or doors can be controlled work, so check with building control first. New glass in a critical location should be safety glass under Part V.
How it works
- Tell us about the glazing
- Survey, measuring and frame check
- Written quote naming the glass
- Fitting and handover
Security glass for doors in Derry: questions
Do you cover Strabane as well as Derry?
Yes. As well as Derry, we can arrange work in nearby Strabane. Dates depend on installer availability.
Does door glass have to be safety glass?
Yes. Glass in doors up to 1,500 mm from the floor, and in side panels within 300 mm of the door edge, counts as a critical location and needs safety glass or protection.
Will new door glass affect my door's warranty?
If the door is still under its maker's warranty, check their terms first. We will tell you if the door needs the maker's own glass.
Can you keep my stained or leaded glass design?
Usually. We add a laminated pane behind the decorative glass inside the sealed unit, or have a matching unit made.
Security glass for doors in nearby towns
Other glazing in Derry
- Laminated glass retrofit
- Security double-glazed units
- Counter and reception security screens
- Security window film
- Anti-ram-raid glazing
- Display case security glass
Get a guide price now and book your free survey in Derry.
