Glass Replacement in London (22)

Glaziers are skilled tradespeople trained to measure, cut, and fit panes of glass. An experienced glazier can install replacement glass in windows, doors, mirrors, and more.

If you have a smashed window, a glazier can remove the old glass and safely install a pane of replacement glazing. However, if you need to replace the entire window installation – not just the glass – you will need to hire a window fitter.

The average supply cost of a replacement window glass pane is £25. If you are hiring a professional glazier, you can expect to pay between £55 - £300 for the supply and installation of a single glass pane.

The following factors determine the cost of glass replacement in London:

• Type of glazing

• Glass pane size

• Your location

• Glass thickness

• Labour costs

• Access – your quote will be more if scaffolding is needed

Read our glass replacement cost guide for a more in-depth look at current prices.

It is often more budget-friendly to replace a glass pane instead of installing an entire new window. The average supply and installation cost for window glass replacement is £100. A new double-glazed casement window installation costs between £300 - £800.

Here are some average costs to consider when replacing a window:

• Single pane installation – £27.50

• Old window removal – £20 - £30

• Window fitter hourly rate – £25 - £35

Glass replacement is likely the best option if you're happy with your window’s overall performance and only the glazing has been damaged.

If you are dealing with any of the following issues, it is often more cost-effective in the long term to replace the whole window installation:

• Mould growth around the window / on the frames – Switching to more energy-efficient windows can keep your home warm and dry. Old frames are often unable to provide reliable protection against damp and heat loss

• Difficulty opening and closing – Wood rot, wear and tear and swelling frames can cause window functionality issues. You may be able to perform temporary DIY fixes, but often, a full window replacement will be needed

• Poor soundproofing – Improve your home’s soundproofing by replacing single-glazed windows with high-quality double glazing or triple glazing

Check out our expert guide on when to repair or replace a window for more advice.

Reputable tradespeople providing glass replacement in the UK are typically accredited with the following industry bodies:

• FENSA

• British Fenestration Rating Council (BFRC)

All replacement glass windows must legally comply with building regulations for energy efficiency and safety. FENSA-registered glaziers meet legal standards and are regularly checked to make sure a consistently compliant service is provided.

Before hiring a glass replacement company in London, ask about certification and industry accreditations.

Depending on the damage, fixing a broken window without replacing it may be possible. Common temporary window fixes include:

• Boarding over the window with plywood

• Removing loose shards of glass / covering exposed glass with thick packing tape

• Applying glass adhesive or masking tape to cracked glass

Always wear gloves when dealing with broken glass. It is also important to keep children and pets away from a shattered window. To stay safe, we recommend hiring a professional to replace the broken glass and permanently fix the problem.

Read our broken window tips to learn more about DIY glass repairs.

Emergency glass replacement services are available, but not all glazing companies work 24/7. We recommend searching our online directory to find reputable companies offering emergency glass replacement near you.

Emergency window repair may be needed if a shattered window can’t be boarded up and is leaving your home at risk of theft. Broken glass can be dangerous, and your window will likely need to be replaced as soon as possible if you have young children at home.

Finding a reliable glazier in London doesn’t need to be a challenge. Follow our simple tips to make sure you are hiring the best tradesperson for the job:

1. Ask friends and family for local glazier recommendations. Then search for your recommended tradespeople in our directory to make sure they work to our high-quality standards
2. Read online customer reviews and check company ratings
3. Ask about insurance, guarantees and prices before hiring
4. Check accreditations. Glaziers registered with FENSA comply with building regulations and provide high-quality installations
5. Ask to see examples of previous glass replacement projects
6. Request quotes from approximately three reputable tradespeople providing glass replacement services in London
7. Search Checkatrade for vetted, checked and guaranteed glaziers near you

Checkatrade members have all passed 12 quality checks and meet our high standards. We also guarantee the work of our tradespeople up to £1000* – T&Cs apply – and only approve glaziers with proof of public liability insurance.

Search online or use our Post a Job feature to find high-quality tradespeople providing glass replacement in London.