- Postcode district
- TN9
- 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
- Royal Tunbridge Wells, Sevenoaks, Westerham
- Building rules
- England
What corner sliding doors offer homes in Tonbridge
Before you settle on a door type, it helps to know what corner sliding doors do well and what to check before you order.
A Tonbridge 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.
If you are planning a wraparound extension in Tonbridge, designing corner sliding doors in from the start lets the engineer size the corner steelwork alongside the roof.
- When closed, the two corner panels interlock and lock together, so the glass corner stays weathertight and secure without a visible column.
- 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 reaches the room from two directions, which keeps a deep extension brighter through the day as the sun moves round the house.
Light and sun in Tonbridge
At the latitude of Tonbridge, the midday sun climbs to about 62° in late June but only about 15° in late December, when daylight lasts around 7 h 53 min against 16 h 35 min in midsummer. A south-facing corner sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
Guide prices for corner sliding doors in Tonbridge
Guide prices include the door, fitting and 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.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.6 m | 4 panels | £9,595–£11,795 |
| 4.8 m | 4 panels | £11,495–£13,995 |
| 8.0 m | 6 panels | £16,495–£20,095 |
See every size on the corner sliding doors page or try the guide price tool.
Survey, manufacture and fitting around Tonbridge
Here is the usual sequence in Tonbridge: 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 Royal Tunbridge Wells, Sevenoaks and Westerham.
Rules for corner sliding doors in England
In England, forming or widening an opening is structural work that needs a Building Regulations application, structural calculations and usually a steel beam on padstones. The new door is also a controlled fitting (U-value 1.4 W/m²K or better if more than 60% glazed). If steelwork bears on a party wall, the Party Wall etc. Act 1996 may apply.
Choosing the specification
- Threshold. Standard, low or flush thresholds, with drainage detailed along both elevations.
- Glass. Double or triple glazed safety glass, with solar-control coatings for corners facing south or west.
- Colours. Single or dual colour powder coating, so the outside can match the extension cladding or render.
Questions about corner sliding doors in Tonbridge
Can you match other doors and windows in my Tonbridge home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
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.
Do corner sliding doors need a steel beam?
Corner sliding doors almost always need engineered structural support, because removing the corner post takes away the support for the wall or roof above. A structural engineer designs a cantilevered beam or steel frame; the calculations are included in our guide prices and the steelwork is priced after survey. In England this needs a Building Regulations application and in Scotland a building warrant; Wales and Northern Ireland have their own building control rules.
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.