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Security secondary glazing · CT1 · Kent

Security secondary glazing in Canterbury

Security secondary glazing in Canterbury and the CT1 area, measured on site and priced in writing before any glass is ordered.

Tall white timber sash window with folding shutters in a period townhouse room
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What is the price of security secondary glazing in Canterbury?

Guide prices for security secondary glazing in Canterbury are £594 to £1,794 including VAT (£495 to £1,495 plus VAT) per window for supply and fitting. We confirm a fixed price in writing after a free survey, before any glass is ordered.

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.

Specification at a glance

  • Low-E glass for better insulation
  • Vertical sliding, horizontal sliding, hinged and lift-out styles
  • Suits sash, casement and arched openings
  • Locks and catches that open from inside without a key
  • Noise and draught reduction
  • Laminated glass in slim aluminium frames

Fitting in Canterbury and nearby

Whether you are in central Canterbury or at the edge of the CT1 district, we can arrange a survey. Nearby Whitstable and Herne Bay are covered too.

Kent ranges from Canterbury's listed city centre and the Regency fronts of Tunbridge Wells to the Medway towns, Ashford's growth estates and coastal Margate and Folkestone.

This glazing suits:

  • Ground-floor flats in converted townhouses
  • Offices in historic buildings
  • Homes on busy roads wanting noise reduction
  • Period sash windows with original glass

Questions we will ask at the survey

Listed building consent

Internal secondary glazing is usually seen as reversible, but consent can still be needed. Check with the conservation officer first.

Frame colour and sightlines

Slim frames that line up with the existing meeting rails make the secondary glazing almost invisible from outside.

Building regulations and safety in England

England

Windows needed for escape

Approved Document B expects many habitable rooms in houses, particularly upstairs, to have an escape window with a clear opening of at least 0.33 m², at least 450 mm high and 450 mm wide, with the bottom of the opening no more than 1,100 mm above the floor. Changing the glass does not alter that, but locks, secondary glazing and film must not stop the window opening. Laminated glass is hard to break through, so escape always relies on the window opening.

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.

How it works

  1. Tell us about the glazing
  2. Survey, measuring and frame check
  3. Written quote naming the glass
  4. Fitting and handover

Security secondary glazing in Canterbury: questions

Do you cover Whitstable as well as Canterbury?

Yes. As well as Canterbury, we can arrange surveys in nearby Whitstable, Herne Bay and Faversham. 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.

Will secondary glazing cause condensation?

A well-fitted unit usually reduces condensation on the inner pane. Some ventilation of the gap may be needed, which we discuss at the survey.

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

Other glazing in Canterbury

Get a guide price now and book your free survey in Canterbury.

Get a guide price for Canterbury

Free survey for new installations in Canterbury and the CT1 area. Fixed price in writing before anything is ordered.

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