- Postcode district
- BN9
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide corners, from survey sign-off
- Guide price
- From £8,695 inc VAT
- Nearby
- Seaford, Peacehaven, Lewes
- Building rules
- England
Are corner sliding doors right for your Newhaven home?
A few practical points decide whether corner sliding doors suit a particular room and opening:
Corner glazing changes how a Newhaven home looks from neighbouring gardens, so confirm the planning position for the extension with your designer or the local planning authority before ordering.
A Newhaven garden that sits to the side as well as the rear of the house is where a post-free corner earns its place, opening the room towards both.
- Because panels slide rather than fold, the corner can be opened on one side only, keeping the other side closed as a wind screen on cooler days.
- A corner of glass gives a much wider field of view than a single straight door, taking in more of the garden from a seat inside.
- With no post at the corner, sliding both sets of panels back opens the meeting point of two walls completely, so the room spills straight onto the patio.
Daylight in Newhaven and what it means for your glass
Because Newhaven sees long summer days (about 16 h 31 min) and short winter ones (about 7 h 57 min), the elevation your door faces makes a real difference. With the midday sun at about 16° in winter, a south-facing door brings light well into the room; a west-facing door catches hot late-afternoon sun in summer.
Typical costs for corner sliding doors around Newhaven
These figures are for the door supplied and fitted, with the engineer's structural calculations, including VAT. The steelwork that supports the corner is designed by the engineer and priced after survey, because it depends on the building. Your price is fixed in a written quote after survey.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.6 m | 4 panels | £9,595–£11,795 |
| 6.0 m | 6 panels | £13,395–£16,295 |
| 8.0 m | 6 panels | £16,495–£20,095 |
See every size on the corner sliding doors page or try the guide price tool.
Timescales for corner sliding doors in Newhaven
Here is the usual sequence in Newhaven: guide price, free survey, written quote, any building work, then manufacture (typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide corners, from survey sign-off). Fitting typically takes 1–2 days for the door, after 3–5 days of structural building work. Nearby, we also survey in Seaford, Peacehaven and Lewes.
Do you need approval in Newhaven?
A new or wider opening in England needs Building Control approval for the structural work as well as compliance for the door itself under Approved Documents L and K. Expect structural calculations, a steel beam and, where a party wall is involved, notices under the Party Wall etc. Act 1996.
Which options matter for corner sliding doors?
- Panel layout. Two panels per side for smaller corners or three per side for wider ones, with fixed panels at the far ends.
- System type. Standard aluminium, slimline or lift and slide corner systems, depending on panel size and the sightlines you want.
- Roof junction. Head details coordinated with flat roofs, roof lanterns or pitched roofs so steel, frame and roof meet neatly.
Questions about corner sliding doors in Newhaven
Do you fit corner sliding doors in Newhaven?
Yes. We survey and fit corner sliding doors in Newhaven and across East Sussex, including nearby Seaford and Peacehaven. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
How big can a corner sliding door be?
A corner sliding door in our range typically covers about 3 m to 8 m of combined width across both walls, usually four panels up to about 4.8 m and six panels above that. The two sides do not need to be equal. Panel height starts at the standard 2.1 m and can go taller depending on the system, which is confirmed at survey alongside the structural design.
Is the open corner a weak point for security?
The corner of a corner sliding door is not a weak point when the system is properly specified, because the two meeting panels interlock and lock together, typically with multi-point hardware at the corner as well as on the sliding edges. Laminated glass adds resistance to breaking through. Corner systems are available tested to PAS 24, and the locking specification is confirmed in your quote.
How do you maintain a corner sliding door?
Maintaining a corner sliding door is much like any aluminium slider, with extra attention to the corner: keep both tracks and the corner drainage clear, wipe the corner seals, and check the meeting panels still lock smoothly. Rollers can be adjusted if a panel drops. Because a new extension can settle slightly in its first year, the corner panels may need a small adjustment after that.

