Security double-glazed units in Witham: what will it cost?
Guide prices for security double-glazed units in Witham are £174 to £594 including VAT (£145 to £495 plus VAT) per unit for supply and fitting. We confirm a fixed price in writing after a free survey, before any glass is ordered.
A security double-glazed unit is a sealed unit in which one or both panes are laminated glass, usually the inner pane, so the window keeps its insulation but resists being broken through. It fits the same frame as a standard unit and is the simplest way to add security to modern windows and doors.
Specification at a glance
- Security glazing tape or clips where beads are external
- Obscure and decorative glass for bathrooms and doors
- Toughened outer pane where safety glass is required
- Made to measure for each sash, light and door panel
- Laminated inner pane, outer pane or both
- 24 mm, 28 mm and other overall thicknesses to suit frames
Fitting in Witham and nearby
Whether you are in central Witham or at the edge of the CM8 district, we can arrange a survey. Nearby Maldon and Braintree are covered too.
Essex runs from Chelmsford and Colchester's town-centre retail and Georgian streets to Southend's seafront and large post-war and new-build estates in Basildon and Harlow.
Typical settings for security double-glazed units:
- Windows in flats on walkways and balconies
- Patio doors and bifolds
- Ground-floor and basement windows
- Replacing misted or damaged units
Getting the right glass for your building
Overall thickness
The new unit must suit the frame's glazing rebate. If your frames only take thin units, we use thinner laminates or adjust the beads.
Which pane is laminated
Laminating the inner pane is the usual security choice. Laminating both panes adds protection on high-risk elevations.
What the rules say 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
Security double-glazed units in Witham: questions
Do you cover Maldon as well as Witham?
Yes. As well as Witham, we can arrange surveys in nearby Maldon, Braintree and Chelmsford. Dates depend on installer availability.
Can I just replace the glass and keep my frames?
Yes, if the frames are sound. We measure each unit, make security units to the same size and fit them into your existing frames.
Which pane should be laminated?
Usually the inner pane, so smashing the outer pane does not create an opening. On doors and low panes the outer pane is normally toughened to meet safety rules.
Will a laminated unit be heavier?
A little. A laminated pane weighs about the same as a solid sheet of the same thickness. On large opening sashes we check hinges and friction stays.
Security double-glazed units in nearby towns
Other glazing in Witham
- Laminated roof and conservatory glass
- Security glazed doors and screens
- Laminated glass retrofit
- Security window film
- Security glass for home windows
- Misted unit replacement with laminated glass
Start with a guide price online, then we survey and fix the price in writing.
