County Antrim · Northern Ireland

Glass Roofs in County Antrim

Want overhead daylight in County Antrim without bars or frames? A fixed frameless rooflight shows only glass and sky from inside the room.

Guide from £1,095 per m²
9 towns covered
Postcode areas BT

County Antrim: side return glass roof

A structural glass roof replaces most or all of a roof with large glass units carried on glass beams, slim steel or aluminium supports. Side-return extensions often use a single run of glass from the house wall to the boundary, giving a bright kitchen without the ridge and bars of a framed roof lantern.

Overhead glass in a glass roof is generally specified with a laminated inner pane. If the inner glass breaks, the interlayer holds the fragments together instead of letting them fall into the room. BS 5516-2 is the British Standard code of practice for sloping and overhead glazing.

Glass floors and walk-on rooflights bring daylight into basements, lower floors and rooms beneath terraces. Each panel sits on a continuous, level support with gaskets or setting blocks so the glass never touches metal or masonry directly, and the structure below is checked by an engineer.

Overhead glass collects heat in summer. Solar-control coatings, low-E coatings and fritted patterns reduce heat and glare under south and west-facing roofs, while opening rooflights or vents elsewhere help warm air escape. Self-cleaning outer coatings reduce how often the glass needs washing.

Glass roof over a side-return kitchen extension with an exposed brick wall

Towns we cover for glass roofs in County Antrim

Choose your town for local details, nearby areas and the postcode districts we cover.

What applies in County Antrim

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.

In Northern Ireland, replacing windows and doors in an existing home does not usually need a building control application, but the work must still meet the Building Regulations (Northern Ireland), including the energy and safety glazing requirements. Other buildings, new openings and structural changes can need approval, so check with the council's building control if you are unsure. Replacing only the glass in an existing frame is a repair.

County Antrim has its own coastline, so for homes and businesses near the sea, salt air and wind-driven rain are part of the brief. Glass roofs near the coast collect salt film that self-cleaning coatings may not fully remove, so occasional rinsing helps. Exposed sites face higher wind uplift, which affects glass thickness and fixings, and any metal supports need coatings or grades suited to salt air.

City glass roofs often need cranes or lifting robots, so road or pavement licences, parking suspensions and access over neighbouring property may be needed. Side returns usually sit on a boundary, so fire performance and neighbour matters should be checked early.

Guide prices

Guide prices inc VAT for typical jobs. Remote and island locations are quoted by arrangement. Your written quote fixes the price after measuring.
Typical job	Guide price inc VAT
Frameless glass roof, per m²	£1,095 – £1,795
Walk-on glass panel, per m²	£1,495 – £2,395

Choosing your glass roofs

Glass floor panel

Laminated glass floor sections that let light through to a basement or lower floor, supported on a level, engineered frame.

Sliding access rooflight

A glazed hatch that slides or hinges open for access to a roof terrace, with weather seals and secure locking.

Glass beams and fins

Laminated glass supporting beams instead of steel, keeping the whole roof transparent where spans and loads allow.

Side-return glass roof

Large glass units spanning from the house wall to the boundary, supported on glass beams or slim steel, for extended kitchens.

Glass Roofs in County Antrim: questions

How is a glass roof installed?

A glass roof is installed onto supports already built and checked, such as walls, steel beams, glass beams or upstands. The glass units are lifted with a crane, glass robot or vacuum lifters, set onto gaskets or setting blocks, fixed and then weather sealed. Most domestic roofs are installed in a day or two once supports are ready.

What guarantee comes with a glass roof?

Manufacturer guarantees apply to the glass units, coatings and any framing or fixings, and the terms are confirmed in writing. Supports built by others are covered by their own builder's terms. Guarantee terms for our installation are set out in writing with your quote, so you know what is covered and who is responsible before work begins.

Can you walk on a glass roof?

Only on glass designed as a walk-on panel. Walk-on glass is laminated from several thick layers with an anti-slip surface and is calculated for foot traffic, often with a sacrificial top layer. Standard glass roofs and rooflights are not designed to be walked on, so cleaning and maintenance must be done from safe access.

How much does a glass roof cost?

The cost of a glass roof depends on the area of glass, the size of each unit, the glass make-up and coatings, the support beams or framing, the structural design and the access for lifting. Walk-on and very large panes cost more because of their thickness. See the guide prices for typical ranges; the written quote fixes the price.

Which parts of County Antrim do you cover for glass roofs?

We cover the whole of County Antrim, including Belfast, Lisburn, Newtownabbey, Carrickfergus and Ballymena, and postcode areas BT. Building rules for glass roofs here follow the regulations for Northern Ireland. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.

Other glazing services in County Antrim

All glazing in County Antrim · Glass Roofs & Walk-on Glass across the UK

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