Are secure sliding doors right for homes in Essex?
A few practical points decide whether secure sliding doors suit a particular room and opening:
For a new-build or conversion in Essex with a security condition attached, send us the specification before we quote so the right system is chosen from the start.
If your Essex home has a rear garden reached by a side gate or shared alley, the back door is the one to specify with PAS 24 testing and laminated glass.
- Internally glazed or secured beads mean the glass cannot be removed from the outside, closing off a route that some older doors left open.
- An anti-snap key cylinder is designed to resist the snapping attack used on many older euro cylinders, protecting the lock itself.
- Laminated glass has a tough interlayer that holds the pane together when struck, so even a cracked panel resists an attempt to break through.
Guide prices for secure sliding doors in Essex
Guide prices are the same across Essex: the fitted price depends on the size, system and specification, not your postcode. These figures are for a standard 2.1 m high door, fitted, including VAT and removal of an old door of similar size.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £3,295–£4,095 |
| 2.4 m | 2 panels | £4,295–£5,295 |
| 4.8 m | 4 panels | £6,995–£8,495 |
| 6.0 m | 4 panels | £8,295–£10,095 |
Every size is on the secure sliding doors page.
Daylight and glass in Essex
At the latitude of Essex, the midday sun climbs to about 62° in late June but only about 15° in late December, when daylight lasts around 7 h 47 min against 16 h 41 min in midsummer. A south-facing secure sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
Where we fit in Essex
We cover Southend-on-Sea, Basildon, Colchester, Chelmsford, Harlow, Braintree and the rest of Essex.
Approvals in England
English Building Regulations treat a new or replacement external door in an existing home as a controlled fitting: it needs a U-value of 1.4 W/m²K or better (or Doorset Energy Rating band C) if more than 60% of it is glazed (Approved Document L), and safety glass in a critical location (Approved Document K). Compliance is arranged through a competent person scheme installer or a Building Control notification, so you get a certificate for your records.
Questions about secure sliding doors in Essex
Do I need building approval for secure sliding doors in Essex?
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 do anti-lift devices work on a sliding door?
Anti-lift devices are blocks or bolts fitted in the head of the frame or on the sliding panel that fill the gap above the panel when the door is closed. Without them, some older sliding panels could be lifted up and out of the bottom track. With them, the panel cannot be raised far enough to clear the track.
What is PAS 24?
PAS 24 is the UK enhanced security test standard for doorsets, including sliding doors. A door tested to it has been subjected to timed manual attacks with hand tools, mechanical loading of the panels and locks, and tests on how the glass is held. It applies to the complete doorset as tested, not to individual handles or locks on their own.
Does Approved Document Q apply to my replacement door?
No, Approved Document Q sets security requirements for doors and windows in new dwellings in England and does not apply when you replace a door in an existing home. Choosing a door tested to PAS 24 is still a sensible benchmark for a replacement, because it gives you a recognised standard rather than relying on how the hardware looks.

