- Postcode district
- BT47
- Survey
- Free, area covered by arrangement
- Typical lead time
- Typically 6–8 weeks from survey sign-off
- Guide price
- From £7,995 inc VAT
- Nearby
- Strabane, Limavady, Dungiven
- Building rules
- Northern Ireland
Large floor-to-ceiling sliding doors in Derry/Londonderry: what to know
Before you settle on a door type, it helps to know what large floor-to-ceiling sliding doors do well and what to check before you order.
For a Derry/Londonderry kitchen extension facing south or west, a whole wall of glass takes in sunshine all afternoon, so solar-control glass or integral blinds help keep it comfortable.
If your Derry/Londonderry extension has a higher ceiling than the rest of the house, panels around 2.7 m high carry the glass right up and avoid a strip of wall above the door.
- Taking the head of the frame up into the ceiling avoids a band of wall above the door, keeping views of the sky and treetops from inside.
- Panels around 2.7 m high carry the glass up to the ceiling line, so the wall reads as glass and daylight reaches deep into an open-plan room.
- Designing the door and steel together lets the engineer allow for panel weight and tight deflection limits, so the sliding gear runs true across the full span.
Light and sun in Derry/Londonderry
At the latitude of Derry/Londonderry, the midday sun climbs to about 58° in late June but only about 12° in late December, when daylight lasts around 7 h 10 min against 17 h 22 min in midsummer. A south-facing large floor-to-ceiling sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
How much do large floor-to-ceiling sliding doors cost in Derry/Londonderry?
The table shows guide prices for common sizes, supplied and fitted, including VAT. Your exact price is fixed in a written quote once the opening in your Derry/Londonderry home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.0 m | 2 panels | £9,195–£11,195 |
| 6.0 m | 3 panels | £14,895–£18,095 |
| 8.0 m | 4 panels | £18,695–£22,795 |
See every size on the large floor-to-ceiling sliding doors page or try the guide price tool.
Timescales for large floor-to-ceiling sliding doors in Derry/Londonderry
Here is the usual sequence in Derry/Londonderry: guide price, free survey, written quote, any building work, then manufacture (typically 6–8 weeks from survey sign-off). Fitting typically takes 3–5 days of building work for the opening, then 1–2 days to fit the door. Nearby, we also survey in Strabane, Limavady and Dungiven. Derry/Londonderry is in an area we cover by arrangement: the survey is still free, and survey dates, delivery and any travel cost for delivery and fitting are confirmed in your quote before you order.
Rules for large floor-to-ceiling sliding doors in Northern Ireland
Opening up a wall in Northern Ireland needs district council building control approval and structural calculations. We take on this work in Northern Ireland by arrangement.
Finishes and extras for large floor-to-ceiling sliding doors
- System type. Heavy-duty aluminium, slimline for the narrowest interlocks, or lift and slide for the largest panels.
- Integral blinds. Blinds sealed between the panes on some systems, giving shade on a big glass wall without curtains to clean.
- Concealed head. The frame head recessed into the ceiling so the glass appears to run uninterrupted to the ceiling line.
Questions about large floor-to-ceiling sliding doors in Derry/Londonderry
Can you match other doors and windows in my Derry/Londonderry home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
How tall can a sliding door be?
A sliding door can typically be up to about 2.5–3 m tall on standard aluminium systems, and taller on some lift and slide and slimline systems, depending on panel width and glass weight. Our large door range is priced on 2.7 m high panels. Taller doors need heavier glass and stronger support above, so the maximum for your opening is confirmed at survey.
How long do large sliding doors take?
Large sliding doors typically take 6–8 weeks to make after survey sign-off, as most use slimline or lift and slide systems with large glass units. Forming the opening typically takes 3–5 days of building work, and fitting the door 1–2 days with a larger team and lifting equipment where needed. Each stage is a typical duration, and dates are agreed once you order.
How do you clean tall sliding doors?
Clean tall sliding doors with a long-handled squeegee or water-fed pole outside and a step and microfibre cloth inside, avoiding abrasive pads that can scratch glass coatings. Vacuum the track, clear the drainage channel and check the rollers run quietly. Self-cleaning glass outside can reduce how often the top of each panel needs attention, and the drainage channel is worth checking after heavy rain because a big door sheds a lot of water.