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Security secondary glazing · LL65 · Gwynedd

Security secondary glazing in Holyhead

From one pane to a whole building, security secondary glazing in Holyhead is measured on site and priced in writing after a free survey.

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 Holyhead?

Budget £594 to £1,794 including VAT (£495 to £1,495 plus VAT) per window for security secondary glazing in Holyhead, supplied and fitted. Larger panes, thicker makeups and difficult access cost more; the price is fixed in writing after the survey.

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

  • Colour-matched frames to suit the room
  • 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
  • Fixed within the reveal, leaving the original window untouched
  • Noise and draught reduction

Fitting in Holyhead and nearby

We arrange surveys and fitting in Holyhead and across the LL65 postcode district. Tell us your postcode and we will offer dates.

Gwynedd covers slate-built towns such as Bangor, Caernarfon and Porthmadog, Anglesey's Holyhead and Llangefni, and coastal holiday properties exposed to Irish Sea weather.

This glazing suits:

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

Questions we will ask at the survey

Frame colour and sightlines

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

How it opens

Match the opening style to the original window so both can be opened, cleaned and used for ventilation.

Building regulations and safety in Wales

Wales

Windows needed for escape

Approved Document B for Wales sets out escape window provisions for homes broadly in line with England's, including minimum clear opening sizes and a maximum sill height. New glass does not change those, but locks, secondary glazing and film must leave an escape window able to open. Laminated glass is not designed to be broken out.

Listed buildings and conservation areas

Listed buildings in Wales need listed building consent from the local planning authority for works that affect their character, which can include replacing historic glass, glazing bars or sashes. Cadw advises on the historic environment in Wales. Reversible options such as secondary glazing are often easier to agree, but the council decides.

How it works

  1. Send sizes or use the quote tool
  2. Free survey at your Holyhead address
  3. Fixed price in writing
  4. Glass made, then fitted

Security secondary glazing in Holyhead: questions

Do you cover Caernarfon as well as Holyhead?

Yes. As well as Holyhead, we can arrange work in nearby Caernarfon. Dates depend on 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.

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.

Security secondary glazing in nearby towns

Other glazing in Holyhead

Ready for a price? Use the form or call 0800 088 6248.

Get a guide price for Holyhead

Free survey for new installations in Holyhead and the LL65 area. Fixed price in writing before anything is ordered.

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