- Postcode district
- LL55
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off
- Guide price
- From £1,995 inc VAT
- Nearby
- Llangefni, Bangor (Gwynedd), Beaumaris
- Building rules
- Wales
Tilt and slide patio doors in Caernarfon: what to know
Here is what to weigh up if you are considering tilt and slide doors for a home in Caernarfon:
If a bedroom in your Caernarfon home opens onto a balcony or garden, the tilt position on tilt and slide doors lets in fresh air at night without leaving the door open.
Is the opening in your Caernarfon home wider than about 3 m? If so, tilt and slide hardware will not carry a sash that size, and a lift and slide door is worth comparing.
- A sliding restrictor, available on many systems, limits how far the sash can open, which is useful for upstairs balconies and homes with young children.
- The tilt position opens a narrow gap at the top of the sash while the hardware holds it in place, so a room can be aired without leaving a door open.
- Tilting the sash lets steam and cooking smells out of a kitchen-diner in seconds, without the security worry of a door left wide open.
Planning glass for the light in Caernarfon
Daylight in Caernarfon runs from about 7 h 32 min in December to 16 h 58 min in June, with the noon sun at roughly 13° and 60° respectively. Use that to choose your glass: standard low-E double glazing for north and east elevations, and consider solar-control or triple glazing for sunny south and west walls.
Typical costs for tilt and slide doors around Caernarfon
Guide prices are the same across Gwynedd: the fitted price depends on the size, system and specification, not your postcode. These figures are for a standard 2.1 m high door, fitted, including VAT and removal of an old door of similar size.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £1,995–£2,495 |
| 1.8 m | 2 panels | £2,195–£2,695 |
| 2.1 m | 2 panels | £2,395–£2,895 |
See every size on the tilt and slide doors page or try the guide price tool.
Timescales for tilt and slide doors in Caernarfon
Here is the usual sequence in Caernarfon: guide price, free survey, written quote, then manufacture (typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off). Fitting typically takes 1 day for a straight swap in an existing opening. Nearby, we also survey in Llangefni, Bangor (Gwynedd) and Beaumaris.
Do you need approval in Caernarfon?
In Wales, replacement doors are covered by the Building Regulations as applied in Wales, including the Welsh Part L energy requirements and safety glazing rules. Compliance is arranged through a competent person scheme installer or your council's Building Control, and the certificate is kept with your property records.
Which options matter for tilt and slide doors?
- Handle. An inside lever handle with a key lock, plus an outside pull handle or cylinder if the door is used from the garden.
- Sash side. A left or right opening sash, chosen to suit furniture, the patio layout and the way you walk out.
- Glass. Toughened or laminated double glazing, or triple glazing for extra warmth and sound reduction.
Questions about tilt and slide doors in Caernarfon
How soon can you survey in Caernarfon?
Surveys in the LL55 district are booked at a time that suits you, and we offer survey dates when we reply to your enquiry. After you approve the written quote, manufacture is typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off.
How much does a tilt and slide patio door cost?
Tilt and slide patio doors start from a guide price of £1,995 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.1 m door is a guide £2,395–£2,895, and a 3 m door is around £2,995. Aluminium frames, colour and triple glazing move the figure up, and the final price is fixed in a written quote after survey.
How long does a tilt and slide door take?
A tilt and slide door typically takes 2–4 weeks to make in uPVC and 4–6 weeks in aluminium, from survey sign-off. Fitting typically takes 1 day for a straight swap in an existing opening, including removing the old door and making good. These are typical times rather than fixed promises, and the date is confirmed once the order is placed.
What is a tilt and slide door?
A tilt and slide door is a patio door whose opening sash can either tilt inward at the top for ventilation, or move forward and slide parallel across the fixed panel. The handle selects the mode. When closed, the sash is pulled back into the frame and sealed on all four sides, so it behaves more like a large window than a conventional slider.

