Dungannon · County Tyrone
Replacement Glass in Dungannon
We can quote for replacement glass across Dungannon and County Tyrone, from a single cracked pane to a full set of upgraded low-E sealed units.
- BT71
- Guide from £135
About glass replacement for windows in Dungannon
Safety glass should carry a permanent mark, usually etched in one corner, that stays visible once the glass is fitted. The mark identifies the maker or supplier and the standard it meets, such as BS EN 12150 for toughened glass or a BS EN 12600 impact class.
Units with Georgian bars or leaded designs can be remade to match the originals. The glazier notes the bar width, colour and layout, or the lead pattern, so the new unit lines up with neighbouring windows. Bars fitted inside the cavity are protected from dirt and need no separate cleaning.
When a double glazed unit sits in a critical location, both panes need to be safety glass, not just the one facing the room. A unit with toughened glass on one side and ordinary float glass on the other does not give safe breakage from both directions.
Before replacing glass, the glazier checks the frame for rot, cracks, failed hinges and worn seals. If the frame itself is failing, new glass may not be good value, and the quote will say so, so you can decide between glass only, repairs to the frame or a new window.
What you get
- Survey and measurement of the existing glass or unit
- Removal of the old pane and cleaning of the rebate
- Written quote fixing the price for the specification
- Removal of old glass and packaging from site

Local details for Dungannon
- Postcodes covered
- BT71 and the surrounding area, including Cookstown, Armagh and Portadown
- Coast
- Dungannon is well inland, around 55 km from the nearest coast, so salt exposure is not usually a factor.
- Daylight and sun
- In Dungannon the midwinter sun reaches about 12° above the horizon at noon, with roughly 7.0 hours of daylight, rising to about 59° and 17.0 hours in midsummer. On south and west elevations, a solar control or low-E coating changes how much heat and glare new glass lets in. North-facing rooms usually benefit more from glass that keeps heat in while admitting as much daylight as possible.
- Access and setting
- Older rural properties often have timber frames, small panes or leaded lights that need careful measuring and hand-made units. Panes in exposed spots may need thicker glass, and the survey confirms every detail so the fitting visit runs smoothly.
- Rules in Northern Ireland
- Technical Booklet V covers safety glazing in Northern Ireland, including glass in and around doors and low-level glazing where people could walk into it.
Guide prices in Dungannon
| Typical job | Guide price inc VAT |
|---|---|
| Small double glazed unit, 500 × 700 mm | £135 – £175 |
| Standard unit, 600 × 900 mm | £165 – £205 |
| Large unit, 1200 × 1200 mm | £285 – £365 |
| Toughened unit for a door, 750 × 1800 mm | £345 – £435 |
| Triple glazed unit, 600 × 900 mm | £235 – £305 |
Get a guide price for your size
Listed buildings in Northern Ireland need listed building consent for most changes to historic windows.
Options to choose between
Acoustic laminated glass
Laminated glass with a sound-dampening interlayer, often combined with unequal pane thicknesses to reduce traffic and street noise.
Georgian bar or leaded unit
Decorative bars or lead designs inside or on the glass, matched to existing windows for a consistent look across the property.
Obscure patterned glass
Textured glass for bathrooms, hallways and doors, available in several patterns that give different levels of privacy.
Replacement Glass in Dungannon: questions
What guarantee comes with replacement glass?
Manufacturer guarantees apply to new sealed units and glass, and the terms are confirmed in writing. Guarantee terms for the fitting are set out in writing with your quote. Keep the paperwork with your property records, as it identifies the unit and its specification if anything needs to be checked or claimed later.
How long does it take to get replacement glass fitted?
There are usually two stages: a survey to measure, then a fitting visit once the glass has been made. Toughened glass and sealed units are manufactured to order, so they cannot be cut from stock while the glazier waits. Fitting itself usually takes a short time per window. Your quote will set out when the glass is expected, and we will tell you honestly when a glazier can attend.
Can I replace a sealed unit myself?
Single panes in simple frames are sometimes replaced by confident DIYers, but sealed units and safety glass carry risks. A unit that is not packed correctly can make an opening sash drop or crack under load, and handling large panes is hazardous. A glazier also checks whether safety glass is required and that the new glass carries the correct marking.
Can you match obscure glass to my other windows?
Usually, yes. Obscure glass is made in many patterns, and the glazier can often identify yours from a photo or at the survey. Some older patterns are no longer made. If yours has been discontinued, the quote will offer the closest current pattern, or you can replace a matching set of panes so they all look the same.
Do you cover Dungannon for replacement glass?
Yes. We can quote for replacement glass across Dungannon and the surrounding County Tyrone area, including postcode districts BT71, and nearby Cookstown, Armagh and Portadown. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.
Get a written quote in Dungannon
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.