Call 0800 088 6248

Kent · England

Replacement Glass in Kent

Replacing just the glass keeps your existing frames in place, and we cover homes, flats and shops in Kent with a survey and written quote.

  • Guide from £135
  • 23 towns covered
  • Postcode areas BR, CT, DA, ME, TN

Get your free quote

Start with your postcode. A glazier will be in touch to arrange a free survey.

By sending this form you agree we can contact you about this enquiry. See our privacy policy for how we use your details.

No obligation. Prefer to talk? Call 0800 088 6248 or WhatsApp us.

Replacement sealed units in Kent: what to know

Acoustic laminated glass uses a special interlayer that dampens sound passing through the pane. Using two different glass thicknesses in a sealed unit also helps, because each pane resonates at a different frequency. Both can be fitted in an existing frame, though the frame and its seals also affect how much noise gets through.

Older sealed units often have plain float glass on both sides. A replacement unit can use a low-emissivity coated pane and a gas-filled cavity, which reduces heat loss through the glass without changing the frame. The coating faces into the cavity and is not noticeable in normal use.

The price of replacement glass depends mainly on the size of the pane, the glass type and thickness, whether it is a single pane or sealed unit, special features such as bars or leaded designs, and access. Upper-floor panes that need ladders, towers or extra hands cost more to fit.

Safety glass should carry a permanent mark, usually etched in one corner, that stays visible once the glass is fitted. The mark identifies the maker or supplier and the standard it meets, such as BS EN 12150 for toughened glass or a BS EN 12600 impact class.

Glazier fitting a new double glazed unit into a white window frame

What applies in Kent

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.

Listed buildings in England need listed building consent for most changes to historic windows or glass, and conservation areas can restrict changes visible from the street. Speak to the council's conservation officer before ordering.

Kent has its own coastline, so for homes and businesses near the sea, salt air and wind-driven rain are part of the brief. Near the coast, salt air and wind-driven rain test the seals around replacement glass. Good bedding, correct packers and sound beads matter more, and stainless or coated fixings resist corrosion. Exposed panes may also need thicker glass to cope with wind load.

Older rural properties often have timber frames, small panes or leaded lights that need careful measuring and hand-made units. Panes in exposed spots may need thicker glass, and the survey confirms every detail so the fitting visit runs smoothly.

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
Small double glazed unit, 500 × 700 mm£135 – £175
Standard unit, 600 × 900 mm£165 – £205
Large unit, 1200 × 1200 mm£285 – £365
Toughened unit for a door, 750 × 1800 mm£345 – £435
Triple glazed unit, 600 × 900 mm£235 – £305

Choosing your replacement glass

Obscure patterned glass

Textured glass for bathrooms, hallways and doors, available in several patterns that give different levels of privacy.

Georgian bar or leaded unit

Decorative bars or lead designs inside or on the glass, matched to existing windows for a consistent look across the property.

Triple glazed unit

Three panes and two cavities for extra insulation, where the frame's rebate is deep enough to take the thicker unit.

Low-E energy unit

A coated pane and gas-filled cavity that reduce heat loss through the glass compared with older plain float glass units.

Replacement Glass in Kent: questions

What is the difference between toughened and laminated replacement glass?

Toughened glass is heat treated so that, if it breaks, it crumbles into small, relatively blunt pieces and leaves the opening empty. Laminated glass has a plastic interlayer between two sheets that holds the pieces together, so the pane stays in the frame. Both count as safety glass when classified to the relevant standard, and laminated also helps with security and noise.

Can I replace a sealed unit myself?

Single panes in simple frames are sometimes replaced by confident DIYers, but sealed units and safety glass carry risks. A unit that is not packed correctly can make an opening sash drop or crack under load, and handling large panes is hazardous. A glazier also checks whether safety glass is required and that the new glass carries the correct marking.

Does replacing window glass need building regulations approval?

Replacing only the glass in an existing frame is normally treated as a repair in England and does not need to be notified. Replacing the whole window is different and must go through building control or a competent person scheme. Even for glass-only work, safety glass should be used in critical locations, and the detail of the rules differs between UK nations.

Do I need safety glass in my replacement window?

You do if the glass is in a critical location. In England, that means glass in doors and within 300mm of a door edge, up to 1500mm above floor level, and other glass within 800mm of the floor. Elsewhere in the UK the rules are similar, but the detail differs between nations. The glazier checks each location at the survey.

Which parts of Kent do you cover for replacement glass?

We cover the whole of Kent, including Maidstone, Gillingham, Chatham, Tunbridge Wells and Folkestone, and postcode areas BR, CT, DA, ME, TN. Building rules for replacement glass here follow the regulations for England. 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.

Get a written quote in Kent

Free survey for new glazing, clear guide prices and one point of contact for every glazing job.

CallGet a quote