What should patio and bifold door security glass cost in Portsmouth?
Typical prices for patio and bifold door security glass in Portsmouth are £354 to £1,074 including VAT (£295 to £895 plus VAT) per pane, supplied and fitted. Use the quote tool for a guide figure, then we survey and confirm a fixed price.
Patio and bifold door security glass means fitting large sealed units with a laminated pane into sliding, French or bifolding doors. These doors are usually the biggest glass at the back of the house and out of view, so making the glass hold when it is struck closes one of the easiest routes in.
Glass and fitting options
- Security tape on externally beaded frames
- Low-E, argon and solar control glass options
- Integral blind units replaced like for like where possible
- Units sized for sliding, French and bifold doors
- Roller, carriage and hinge adjustment after fitting
- Anti-lift and lock checks on sliding doors
Fitting in Portsmouth and nearby
From the PO5 district we also cover Gosport (2 miles) and Fareham (5 miles). Survey dates depend on installer availability.
Hampshire covers the port-city shops and offices of Southampton and Portsmouth, Winchester's listed centre, and commuter estates around Basingstoke, Eastleigh and Fareham.
Good candidates for patio and bifold door security glass:
- Doors hidden from the street by fences or hedges
- Ground-floor flats with doors onto terraces
- French doors onto gardens
- Bifold doors in kitchen extensions
Before the glass is ordered
Door hardware
Glass is only part of the picture. Worn rollers, missing anti-lift blocks or old locks are often worth fixing at the same visit.
Integral blinds
Units with blinds inside the glass can be made with a laminated pane, but lead times are longer.
Glazing rules in England
Safety glass in critical locations
In England, section 5 of Approved Document K treats glazing in doors and in side panels within 300 mm of a door edge, from floor level up to 1,500 mm, and any other glazing below 800 mm, as a critical location. Glass there should break safely, be robust, or be guarded. Laminated or toughened glass meeting BS EN 12600 class 3 is the usual answer, rising to class 2 for door and side-panel panes wider than 900 mm.
Replacing glass in an existing frame
Replacing only the glass or sealed unit in an existing frame is generally treated as a repair in England rather than notifiable building work. Replacing a whole window or door is notifiable and is normally certified through a competent person scheme or approved by building control. Either way, new glass in a critical location should still be safety glass.
How it works
- Postcode and a few photos
- On-site survey
- Fixed written price and lead time
- Fit, check and explain
Patio and bifold door security glass in Portsmouth: questions
Can you survey in Portsmouth and nearby towns?
Yes. Surveys in Portsmouth, Gosport and Fareham are booked around installer availability.
Do you work on aluminium bifolds?
Yes, on aluminium, uPVC and timber doors, provided the frame can take the new unit thickness.
Is patio door glass already safety glass?
It should be, because doors are critical locations. Most is toughened, which is safe but not secure. Adding a laminated pane makes it both.
Can you replace just one pane of a bifold?
Yes. Each leaf takes its own unit, so we can upgrade one leaf or all of them.
Patio and bifold door security glass in nearby towns
Other glazing in Portsmouth
- Security double-glazed units
- Counter and reception security screens
- Glazing bead security upgrades
- Security secondary glazing
- Blast-resistant glazing
- Anti-bandit glass
Start with a guide price online, then we survey and fix the price in writing.