- Postcode district
- CF45
- 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
- Aberdare, Merthyr Tydfil, Tonypandy
- Building rules
- Wales
Are tilt and slide doors right for your Mountain Ash home?
Before you settle on a door type, it helps to know what tilt and slide doors do well and what to check before you order.
Young children at home in Mountain Ash? A sliding restrictor, available on many systems, limits how far the sash opens while still letting air in.
For a flat in Mountain Ash, check your lease or title deeds and speak to the managing agent, factor or other owners before replacing a balcony door, since flats can need consent that houses do not.
- When closed, the sash is drawn back into the frame and presses onto gaskets on all four edges, giving a window-like seal against draughts and driving rain.
- Locking points engage around the whole perimeter of the sash, much like a window, rather than only along the closing edge.
- The sash moves forward and slides parallel in front of the fixed pane, so nothing swings into the room and the floor beside the door stays usable.
Daylight in Mountain Ash and what it means for your glass
Sun angles matter for big glazed doors. Around Mountain Ash, midday sun reaches about 62° in summer and drops to about 15° in winter. That low winter sun is free heat through south-facing glass; high summer sun is easier to shade with a roof overhang, and solar-control glass helps where there is none.
Typical costs for tilt and slide doors around Mountain Ash
Use these guide prices to budget. They include VAT, fitting and taking away an old door of a similar size. Taller doors, triple glazing and dual colour add to the figure — the online tool shows how much.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £2,195–£2,695 |
| 2.1 m | 2 panels | £2,395–£2,895 |
| 3.0 m | 2 panels | £2,995–£3,595 |
See every size on the tilt and slide doors page or try the guide price tool.
Survey, manufacture and fitting around Mountain Ash
Surveys in the CF45 district are booked at a time that suits you. After you approve the quote, manufacture is typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off; on fitting day the old door comes out, the new frame is set level and sealed, and the panels are adjusted so they glide properly. Fitting usually takes 1 day for a straight swap in an existing opening.
Do you need approval in Mountain Ash?
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.
Specification choices for tilt and slide doors in Mountain Ash
- Material. uPVC for a lower price and shorter lead time, or aluminium for slimmer frames and powder-coated colours.
- 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 Mountain Ash
How soon can you survey in Mountain Ash?
Surveys in the CF45 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 do I maintain a tilt and slide door?
Maintaining a tilt and slide door means keeping the bottom track and drainage clear, wiping the gaskets with a damp cloth and lightly oiling the moving hardware points once a year. If the sash starts to catch or the handle feels stiff, the hinges and keeps can be adjusted rather than replaced. Gaskets that have flattened after many years can be renewed on their own, restoring the seal without a new sash.
How wide can a tilt and slide door be?
A tilt and slide door in our range is typically about 1.5 m to 3 m wide overall, with one opening sash and one fixed panel. The sash size is set by the hardware's weight limit, which is lower than for inline or lift and slide systems. If you need a wider opening, a standard aluminium slider or a lift and slide door is the usual alternative.
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.