How much does security secondary glazing cost in Stevenage?
Our guide range for security secondary glazing in Stevenage is £594 to £1,794 including VAT (£495 to £1,495 plus VAT) per window, including fitting. The survey is free for new installations and your fixed price follows in writing.
Security secondary glazing is a separate slim window fitted on the room side of an existing window, glazed with laminated glass so it forms a second barrier. It leaves the original window untouched outside, which makes it a common choice for listed buildings, conservation areas and period sash windows.
Choices you can make
- Fixed within the reveal, leaving the original window untouched
- Locks and catches that open from inside without a key
- Vertical sliding, horizontal sliding, hinged and lift-out styles
- Low-E glass for better insulation
- Laminated glass in slim aluminium frames
- Noise and draught reduction
Fitting in Stevenage and nearby
We can arrange security secondary glazing anywhere in Stevenage, and in nearby Hitchin, Letchworth Garden City and Welwyn Garden City. Tell us your postcode and we will offer dates.
Hertfordshire includes the historic centres of St Albans and Hertford, post-war new towns such as Stevenage and Hatfield, and Watford's shops and office parks along the M1.
Typical places for security secondary glazing:
- Offices in historic buildings
- Ground-floor flats in converted townhouses
- Homes on busy roads wanting noise reduction
- Period sash windows with original glass
Things to decide before you order
How it opens
Match the opening style to the original window so both can be opened, cleaned and used for ventilation.
Frame colour and sightlines
Slim frames that line up with the existing meeting rails make the secondary glazing almost invisible from outside.
Rules that apply in England
Planning permission
Changing the glass in an existing window or shopfront does not usually need planning permission, because the building looks much the same afterwards. A new or altered shopfront, or security features added to the outside of a building, may need planning permission from the council. Bollards or barriers on the pavement need the highway authority's consent, which is normally the council.
Listed buildings and conservation areas
In England, listed building consent from the council may be needed to replace historic glass such as crown or cylinder glass, or to alter glazing bars, sashes and frames. Historic England publishes guidance on traditional windows. Secondary glazing and window film are often easier to agree because they can be removed later, but the council's conservation officer makes the decision.
How it works
- Send sizes or use the quote tool
- Free survey at your Stevenage address
- Fixed price in writing
- Glass made, then fitted
Security secondary glazing in Stevenage: questions
Which areas near Stevenage do you cover?
We can arrange work in Stevenage and in nearby Hitchin (5 miles), Letchworth Garden City (5 miles) and Welwyn Garden City (7 miles). Dates depend on installer availability.
Can I still open my sash windows?
Yes. Secondary glazing slides, hinges or lifts out so the original window can be opened and cleaned.
Is secondary glazing safe for escape windows?
It can be, as long as it opens quickly from inside without a key. We design catches and handles for that.
Does secondary glazing reduce noise?
Yes, often noticeably, because of the air gap between the two panes. Laminated glass helps further.
Security secondary glazing in nearby towns
- Hitchin5 miles
- Letchworth Garden City5 miles
- Welwyn Garden City7 miles
- Harpenden9 miles
- Hertford9 miles
- Luton9 miles
Other glazing in Stevenage
- Security double-glazed units
- Security window film
- Laminated roof and conservatory glass
- Broken glass replacement
- Anti-bandit glass
- Safety glazing for schools and public buildings
Ready for a price? Use the form or call 0800 088 6248.