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RooflightInstallers.co.uk
Bangor · BT20 · County Down

Rooflight glass replacement in Bangor

Before ordering new glass for a rooflight in Bangor, we need to know three things: the exact size and thickness of the existing unit, the glass type it needs to match or improve on, and whether the frame is still sound enough to keep. A charged measuring visit, priced before booking, answers all three. If the frame is fine, a new sealed unit is made and fitted on a second visit. If it is not, we price a full replacement instead.

Guide price from £445 · Supply & fit of the glass

Guide prices in Bangor

Small sealed unit

£445 – £795including VAT at 20%

Misted or cracked unit up to about 1 m² measured, made and refitted

Medium sealed unit

£795 – £1,295including VAT at 20%

Units up to about 2 m², or toughened and laminated

Large or specialist

£1,295 – £2,395including VAT at 20%

Triple glazed, solar-control or heavy units needing lifting gear

Guide ranges. The first visit is charged and priced before booking; any new glass is priced in writing before work starts. Scaffold, access towers or a crane are priced separately if the job needs them, and building control fees, where a job needs them, are shown as their own line.

Areas around Bangor we cover

Distance is rarely the deciding factor. A roof in Newtownards, 5 miles from Bangor, gets the same survey, the same written quote and the same fitting process as one in BT20, BT19 and BT21. What changes the price is the job itself: size of unit, roof type, access and lifting. Carrickfergus, around 7 miles out, is treated the same way.

Included in the work

  • New glazing tapes, gaskets or sealant fitted to suit the frame
  • Old glass taken out safely and removed from site
  • Joints water tested and the glass cleaned inside and out
  • Can the glass come out? — We check whether your rooflight has removable glass or a bonded unit before booking a fitting visit.
  • Matching the glass make-up — We identify the existing glass so the replacement performs at least as well.

How the glass is replaced

The second visit is the quick one. With the new unit made to size, the fitters take the old glass out, check the frame and drainage paths, and set the new glass on packers so it sits square and drains properly. Seals and cappings are renewed where needed, the area is cleared, and you are shown what was done.

Do you need permission in Bangor?

Northern Ireland's building regulations set a minimum of WER Band C or 1.6 W/m²K for rooflights and roof windows in existing homes, assessed under Technical Booklet F1. New openings involve trimming the roof structure, so expect a building control application. Many house rooflights don't need planning permission, but conservation areas and listed buildings are excluded, and side windows near a boundary have obscure-glazing rules. We confirm what applies.

What to send us

To price the measuring visit, send a photo of the rooflight from inside showing the misting or crack, one from outside if you can reach a safe viewpoint, and the rough size of the glass. If you know the make or have the original paperwork, include that too, along with the postcode.

Common questions in Bangor

Can you replace just the glass in my rooflight?

Often, yes. If the frame, gaskets and drainage are sound, a new sealed unit can go into the existing frame. If the frame has failed, is distorted or leaks around the edge, replacing the whole rooflight is usually the better answer, and we tell you that.

Is new glass or a new rooflight better value?

If the frame, gaskets and drainage are sound, new glass is usually the cheaper fix. If the frame is cracked, distorted or leaking at the kerb, a full replacement is better value. After the measuring visit we price both so you can compare.

How long does new rooflight glass take?

The new sealed unit is made to the measured size, so there is a gap between the measuring visit and the fitting visit while it is produced. We give you the expected timing when we price the glass, and book the fitting once it has arrived.

Got a leak or a misted unit in Bangor? Send photos first and we will tell you what the visit costs before booking.

Rear extension at dusk with lit rooflights and a roof lantern
Ready when you are

Glass replacement in Bangor

Send photos of the problem and we will tell you what a visit costs before booking.

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