- Postcode district
- CR5
- 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
- Purley, Carshalton, Sutton
- Building rules
- England
Are aluminium sliding doors right for your Coulsdon home?
The right door depends on the opening, the room and the way you use the garden. Here is how aluminium sliding doors tend to work out in practice:
For a south- or west-facing garden in Coulsdon, solar-control glass in the sliding panels can keep a glazed room more comfortable on summer afternoons.
Before aluminium sliding doors are ordered for a Coulsdon home, the survey should check the opening width, floor levels and existing lintel, so the quote reflects the real job.
- Aluminium is stiff enough to carry wide panels without bowing, which keeps the number of vertical frames low even across openings of four, five or six metres.
- Because the panels slide rather than swing, nothing opens into the room or across the patio, leaving space for a dining table, sofa or planters right up to the glass.
- Polyester powder coating is baked onto the aluminium in the factory, giving a hard, even colour that resists fading and chalking and does not need repainting in normal use.
Sunlight, glass and orientation in Coulsdon
At the latitude of Coulsdon, the midday sun climbs to about 62° in late June but only about 15° in late December, when daylight lasts around 7 h 51 min against 16 h 36 min in midsummer. A south-facing aluminium 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 aluminium sliding doors cost in Coulsdon?
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) |
|---|---|---|
| 1.5 m | 2 panels | £3,295–£4,095 |
| 3.6 m | 3 panels | £5,595–£6,895 |
| 4.8 m | 4 panels | £6,995–£8,495 |
See every size on the aluminium sliding doors page or try the guide price tool.
How fitting works in Coulsdon
We plan the job around your home in Coulsdon: survey first, then a written quote, then manufacture (typically 4–6 weeks from survey sign-off). The fitting itself usually takes 1 day for a two-panel straight swap; 1–2 days for larger doors. If you are in Purley or Carshalton, the same process and prices apply.
Do you need approval in Coulsdon?
In England, a replacement sliding door is a controlled fitting under the Building Regulations. In an existing home, a door with more than 60% glazing must reach a U-value of 1.4 W/m²K or better (or a Doorset Energy Rating of band C) under Approved Document L, and glass in doors must be safety glazing under Approved Document K. We arrange compliance through a competent person scheme installer or by notifying Building Control, and you receive the certificate.
Which options matter for aluminium sliding doors?
- Panel configuration. Two, three or four panels, with the sliding panel on the left, right or both sides to suit how you use the room.
- Threshold. A standard or low threshold, or a flush finish with a drainage channel outside where floor levels allow.
- 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 Coulsdon
Do I need building approval for aluminium sliding doors in Coulsdon?
In England a replacement door is a controlled fitting, so compliance is arranged through a competent person scheme installer or Building Control; new openings need a Building Regulations application. We confirm the right route for your property at survey, so the paperwork is in place before fitting.
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.
How do you look after aluminium sliding doors?
Aluminium sliding doors need little care: wash the frames with mild soapy water a few times a year, vacuum grit out of the bottom track and keep the drainage slots clear. A light silicone spray on the locking points once a year keeps them smooth, and rollers can be adjusted if a panel starts to drag. Manufacturer guarantees on frames, hardware and sealed units are passed to you, and our workmanship guarantee is set out in writing in your quote.
Are aluminium sliding doors secure?
Aluminium sliding doors can be very secure when they combine multi-point hook locks, anti-lift blocks and laminated glass. Systems are available tested to PAS 24, the UK enhanced security standard for doorsets, and an enhanced security locking pack can be added to your quote. Most systems are glazed from the inside, so the glass cannot be unclipped from outside.