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Seaford · East Sussex

Secondary Glazing in Seaford

Period homes in Seaford can keep their character and gain comfort with discreet secondary glazing fitted inside the existing window reveals.

  • BN25
  • Guide from £465

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Seaford: acoustic secondary glazing

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.

If an existing window is relied on for escape in a fire, the secondary glazing in front of it must open easily and give enough clear opening. The surveyor checks which windows are escape windows, so the opening style and catches do not block a way out.

For noise reduction, the size of the air gap between the original window and the secondary unit matters a great deal, and a wider cavity generally performs better. Acoustic laminated glass and well-sealed frames improve results further, especially against traffic, rail and aircraft noise.

Glass for secondary glazing is heavy, so the frames need firm fixings into the reveal or a supporting sub-frame. The surveyor checks that plaster, timber linings and window boards are sound enough to carry the weight, and allows for any packing needed in uneven reveals.

What's included

  • Removal of packaging and cleaning of new glass
  • Advice on opening style, glass and fire escape
  • Survey of each window, reveal depth and sightlines
  • Fitting, sealing and checking every opening panel
Sash window with secondary glazing in a period sitting room

Local details for Seaford

Postcodes covered
BN25 and the surrounding area, including Eastbourne, Hailsham and Brighton & Hove
Coast
Seaford is about 1 km from the coast or a tidal estuary, so salt air and wind-driven rain are worth planning for. 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.
Daylight and sun
In Seaford the midwinter sun reaches about 16° above the horizon at noon, with roughly 7.7 hours of daylight, rising to about 63° and 16.3 hours in midsummer. Secondary glazing adds an extra layer of glass, which slightly reduces daylight. Low-iron or clear low-E glass keeps light loss to a minimum, while on sunny elevations solar control glass can help reduce overheating in rooms with large windows.
Access and setting
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.
Rules in England
Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.

Guide prices in Seaford

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

Get a guide price for your size

Approved Document B covers escape windows. Where an existing window is an escape route, typically in first-floor bedrooms, its replacement should give at least the same escape opening as before.

Specification choices

Low-E glass

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

Hinged casement

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

Horizontal sliding

Panels slide sideways, suiting wide casement windows and openings where you need regular access for cleaning or ventilation.

Secondary Glazing in Seaford: questions

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 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 opening style should I choose?

Choose based on how you use the window. Vertical sliders suit sash windows and keep meeting rails aligned. Horizontal sliders suit wide windows. Hinged panels give full access for cleaning and escape. Lift-out and fixed panels suit windows that are rarely or never opened, and give the tightest seal for noise.

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

You should seek listed building consent from the council's planning department before installing secondary glazing on a listed building. Secondary glazing is often seen as a reversible, low-impact change, but consent requirements depend on the building. Carrying out works that need consent without it is a criminal offence. If your home is not listed but is in a conservation area, check with the council if you are unsure.

Do you cover Seaford for secondary glazing?

Yes. We can quote for secondary glazing across Seaford and the surrounding East Sussex area, including postcode districts BN25, and nearby Eastbourne, Hailsham and Brighton & Hove. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.

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