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Mid Glamorgan · Wales

Secondary Glazing in Mid Glamorgan

Is traffic noise getting through the windows of your home in Mid Glamorgan? We can quote for acoustic secondary glazing tailored to each opening.

  • Guide from £465
  • 16 towns covered
  • Postcode areas CF

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Mid Glamorgan: secondary glazing listed buildings

Owners of listed buildings should seek listed building consent before installing secondary glazing, as the requirements depend on the building and the council. Secondary glazing is often seen as a minimal, reversible change, but carrying out works that need consent without it is a criminal offence.

Opening styles include vertical sliders that line up with sash window meeting rails, horizontal sliders for wide openings, hinged casements, lift-out panels for windows that are rarely opened, and fixed panes. The choice depends on how you use the window, cleaning access and fire escape needs.

Secondary glazing can also add security, because an intruder would have to break through two separate windows. Laminated glass and locking catches on the secondary unit add further resistance, which is useful for ground-floor and basement windows in period properties.

The price of secondary glazing depends on the size and number of windows, the opening style, the glass specification, any shaped or arched heads, reveal depth and condition, and access. Acoustic laminated glass and shaped frames cost more than standard clear glass in rectangular frames.

Sash window with secondary glazing in a period sitting room

Towns we cover for secondary glazing in Mid Glamorgan

Choose your town for local details, nearby areas and the postcode districts we cover.

What applies in Mid Glamorgan

In Wales, Approved Document N covers safety glazing: safety glass is needed in and around doors and in low-level glazing where people could walk into it.

Where a window is an escape route, its replacement in Wales should give at least the same escape opening as before.

Mid Glamorgan has its own coastline, so for homes and businesses near the sea, salt air and wind-driven rain are part of the brief. Coastal properties often have older windows exposed to wind-driven rain and draughts. Secondary glazing adds a sealed inner layer that reduces draughts and cold, while the original window keeps out the weather and its condition is protected from inside.

Rural cottages and period homes often have single-glazed timber windows that cannot easily be replaced. Secondary glazing reduces draughts and heat loss in exposed locations, and the surveyor allows for uneven reveals and older plaster when fixing frames.

Guide prices

Guide prices inc VAT for typical jobs. Remote and island locations are quoted by arrangement. Your written quote fixes the price after measuring.
Typical jobGuide price inc VAT
Slider, 900 × 1200 mm£465 – £595
Slider, 1200 × 1600 mm£665 – £845
Acoustic glass, 1000 × 1400 mm£675 – £865

Choosing your secondary glazing

Acoustic laminated glass

Laminated glass with a sound-dampening interlayer, combined with a generous cavity, for properties affected by traffic, rail or aircraft noise.

Low-E glass

Coated glass that reflects heat back into the room, improving insulation when the original window is single glazed.

Fixed panel

A non-opening unit for windows never opened, giving the most airtight seal for noise and draught reduction.

Hinged casement

Panels open inwards like a door, giving full access to the original window, and can be chosen for escape windows.

Secondary Glazing in Mid Glamorgan: questions

Can I still open my original windows?

Yes, as long as the secondary glazing has an opening panel in front of the part you need to open. Sliding and hinged panels give access to the original window for ventilation and cleaning. Lift-out and fixed panels suit windows you rarely or never open.

Is secondary glazing suitable for rented homes and flats?

Yes. Secondary glazing is fitted inside, so it often avoids the external changes that leases, freeholders or planning rules restrict. It can be removed later with limited making good. Leaseholders should still check their lease for any rules on internal alterations, and landlords should check escape routes are not affected.

How much noise does secondary glazing block?

Results depend on the size of the gap between the windows, the glass type and thickness, the seals and the original window. A larger cavity and acoustic laminated glass give the strongest improvement. The survey checks reveal depth and noise sources, so the specification can be tailored to the noise you are dealing with.

How do I clean and look after secondary glazing?

Open or remove the panels as designed, then clean the glass with mild soapy water and a soft cloth. Wipe the aluminium frames and runners, and keep tracks free of dust so panels slide smoothly. Check seals and catches occasionally. Avoid abrasive cleaners, which can scratch coated glass.

Which parts of Mid Glamorgan do you cover for secondary glazing?

We cover the whole of Mid Glamorgan, including Rhondda, Tonypandy, Bridgend, Merthyr Tydfil and Pontypridd, and postcode areas CF. Building rules for secondary glazing here follow the regulations for Wales. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.

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