Security secondary glazing in Formby

What should security secondary glazing cost in Formby?

Our guide range for security secondary glazing in Formby 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.

What goes into security secondary glazing

Laminated glass in slim aluminium frames
Vertical sliding, horizontal sliding, hinged and lift-out styles
Fixed within the reveal, leaving the original window untouched
Noise and draught reduction
Suits sash, casement and arched openings
Locks and catches that open from inside without a key

Fitting in Formby and nearby

Surveys in Formby (L37) are booked around installer availability. We also cover nearby Maghull (6 miles), Southport (7 miles) and Bootle (7 miles).

Merseyside has Liverpool's listed commercial centre and waterfront offices, Victorian terraces across the city and the Wirral, and suburban high streets in Southport and St Helens.

Good candidates for security secondary glazing:

Ground-floor flats in converted townhouses
Period sash windows with original glass
Listed homes and buildings in conservation areas
Offices in historic buildings

Before the glass is ordered

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.

Glazing rules in England

England

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.

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.

How it works

Guide price online or by phone
Survey in Formby
Accept the fixed quote
Fitted by glaziers working under our contract

Security secondary glazing in Formby: questions

Can you survey in Formby and nearby towns?

Yes. Surveys in Formby, Maghull and Southport are booked around installer availability.

Do I need permission for secondary glazing in a listed building?

It depends on the building and the council. Internal secondary glazing usually has less impact than replacement windows, but listed building consent may still be needed. Ask the conservation officer before ordering.

Does secondary glazing reduce noise?

Yes, often noticeably, because of the air gap between the two panes. Laminated glass helps further.

Can I still open my sash windows?

Yes. Secondary glazing slides, hinges or lifts out so the original window can be opened and cleaned.

Security secondary glazing in nearby towns

Other glazing in Formby

Tell us about the glazing and we will come back with a guide price.