- Postcode district
- CF64
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks from survey sign-off
- Guide price
- From £3,295 inc VAT
- Nearby
- Dinas Powys, Cardiff, Barry
- Building rules
- Wales
Are aluminium sliding doors right for your Penarth home?
Most homeowners choosing aluminium sliding doors want the same things: more light, a clear view and a door that is easy to live with.
For a south- or west-facing garden in Penarth, solar-control glass in the sliding panels can keep a glazed room more comfortable on summer afternoons.
Thinking about a dark frame for a house in Penarth? Anthracite grey and black powder coats show off slim aluminium sightlines, and dual colour keeps the inside lighter if you prefer.
- Panels run on adjustable tandem rollers along a hard-wearing track, so even a heavy double or triple glazed panel can be opened smoothly with one hand.
- A polyamide thermal break inside every profile separates the cold outer metal from the warm inner face, cutting heat loss and reducing the risk of condensation forming on the frame.
- Brush and gasket weather seals along every meeting edge, together with drainage slots in the outer track, carry rainwater away instead of letting it collect against the panels.
Sunlight, glass and orientation in Penarth
Sun angles matter for big glazed doors. Around Penarth, 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 aluminium sliding doors around Penarth
These are guide prices for fitted doors at a standard height, including VAT. They run from an entry-level system to a premium one at the same size; the survey confirms which suits your opening.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.1 m | 2 panels | £3,995–£4,895 |
| 3.6 m | 3 panels | £5,595–£6,895 |
| 4.0 m | 3 panels | £6,095–£7,395 |
See every size on the aluminium sliding doors page or try the guide price tool.
Timescales for aluminium sliding doors in Penarth
Here is the usual sequence in Penarth: guide price, free survey, written quote, then manufacture (typically 4–6 weeks from survey sign-off). Fitting typically takes 1 day for a two-panel straight swap; 1–2 days for larger doors. Nearby, we also survey in Dinas Powys, Cardiff and Barry.
Rules for aluminium sliding doors in Wales
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.
Choosing the specification
- Dual colour. A different colour inside and outside, so the exterior can match your windows while the interior suits the room.
- Handles and locks. Slim pull handles or lever handles in matching or contrasting finishes, with an enhanced security locking pack available.
- Glass. Double or triple glazed units in toughened or laminated safety glass, with solar-control or self-cleaning coatings.
Questions about aluminium sliding doors in Penarth
Do you fit aluminium sliding doors in Penarth?
Yes. We survey and fit aluminium sliding doors in Penarth and across South Glamorgan, including nearby Dinas Powys and Cardiff. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
How wide can an aluminium sliding door be?
An aluminium sliding door in our range can span from about 1.5 m to 6 m, split into two to four panels. Each panel is usually up to about 2.5–3 m wide depending on the system and the weight of the glass. Wider openings take more panels, and beyond about 6 m a multi-track or lift and slide system is usually the more practical choice.
Should I choose aluminium sliding doors or bifolds?
Choose aluminium sliding doors if you want the most glass and fewest frames when the door is closed, and bifolds if you want almost the whole width open in summer. A slider keeps wide panels with slim meeting stiles but only opens part of the width; a bifold folds away but shows a frame every metre or so. Our sliding doors vs bifold doors guide compares them in detail.
How much do aluminium sliding doors cost?
Aluminium sliding doors start from a guide price of £3,295 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.4 m door is a guide £4,295–£5,295, and a 4.8 m four-panel door is around £6,995. Glass, colour and threshold choices move the price within the range, and the final figure is fixed in a written quote after survey.

