Double Glazing Installation in Greater London (27)
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Windows / Doors / ConservatoriesDouble Glazing InstallationLoft Windows RepairAluminium Doors InstallationUPVC RepairsServices & skills
Windows / Doors / ConservatoriesDouble Glazing InstallationFrench Doors InstallationBay Windows RepairExterior Doors InstallationServices & skills
Windows / Doors / ConservatoriesDouble Glazing InstallationConservatory RepairsPorch InstallationFrench Doors InstallationServices & skills
Windows / Doors / ConservatoriesDouble Glazing InstallationMisted Double GlazingTimber / Wooden Doors InstallationWooden Sash Windows InstallationServices & skills
Windows / Doors / ConservatoriesDouble Glazing InstallationComposite Front Doors RepairConservatory RepairsConservatory InstallationServices & skills
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Find double glazing installers in London
Looking to cut energy bills, reduce outside noise, and improve your home’s comfort?
Double glazing installation offers a durable and energy-efficient solution.
At Checkatrade, you can connect with checked double glazing installers near you, each reviewed by real customers, so you can hire with confidence.
How much does double glazing cost in the UK?
There are several factors that affect the cost of double glazing, including the size and type of windows you choose, the frame material, and installation complexity.
On average, expect to pay around:
- £500–£1,250 per uPVC casement window
- £700–£1,500 per sash window
- £600 - £1,400 per sliding window
- £600 - £1,400 per tilt and turn window
- £1,100 - £4,000 per bay window
- £1,500 - £5,000+ per bow window
The average cost of adding double glazing to a three-bedroom house, based on roughly 8-12 windows, is around £8,000–£15,000.
Our double-glazing cost guide has more detailed information.
What are the benefits of double glazing?
Installing double glazing comes with a range of advantages:
- Energy efficiency: reduces heat loss and lowers energy bills
- Noise reduction: keeps outside noise to a minimum
- Security: modern glazing includes toughened glass and multi-point locks
- Increased property value: an attractive selling point for buyers
- Low maintenance: especially with uPVC frames
How long does double glazing installation take?
The installation process depends on the number of windows:
- For straightforward fittings, 1–2 hours per window
- For an entire house, 1–3 days
Installers will remove the old units, prepare the frames, and fit the new double-glazed windows, ensuring minimal disruption to your home.
Do I need planning permission for double glazing?
In most cases, you won’t need planning permission for double glazing, especially for like-for-like replacements.
Permission may be required if:
- Your property is in a listed building or conservation area
- You are significantly altering the external appearance
A checked installer in London can let you know if additional approval is needed.
Tips for hiring double-glazing installers in your area
Before booking double glazing installation near you, follow these steps to help ensure the right choice of hire:
- Read customer reviews on Checkatrade
- Check to ensure they offer the services you need — for example, replacing misted units or full-house installations
- Ask for a detailed quote that includes materials, labour, VAT, and disposal of old windows
- Confirm if they provide guarantees on both the glass units and installation work
- Compare several quotes to find the right service
For tradespeople committed to quality and a job done right, search for double glazing installers in your area with Checkatrade.
Looking for more tradespeople in London?
Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in London and check out our latest home improvement guides.
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- Conservatory Installation in Greater London
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- Conservatory Repairs in Greater London
- Window Fitters in Greater London
- Loft Windows Installation in Greater London
- Patio Doors Installation in Greater London
- Wooden Sash Windows Installation in Greater London
- Fire Doors Installation in Greater London
- Conservatory Glass Heat Reduction Film in Greater London
- Double Glazing Repair in Greater London
- Timber Wooden Windows Installation in Greater London
- Electrical Installation Condition Report Safety Checks Eicr in Greater London
- Plumbing Repairs in Greater London
- Gas Safety Checks Cp12 in Greater London
- Smart Thermostats in Greater London
- Shower Repair in Greater London
- Dormer Roof Windows in Greater London
- Gas Cooker Installation in Greater London
- Blocked Sinks in Greater London
- Cat Flaps in Greater London
- Air Source Heat Pump Servicing Repair Ashp in Greater London
- Moss Removal in Greater London
- Power Flushing in Greater London
- Double Glazing Installation in Southampton
- Double Glazing Installation in Birmingham
- Double Glazing Installation in Bristol
- Double Glazing Installation in Crawley
- Double Glazing Installation in Stoke On Trent
- Double Glazing Installation in Plymouth
- Double Glazing Installation in Oxford
- Double Glazing Installation in Tamworth
- Double Glazing Installation in Barking Essex
- Double Glazing Installation in Gloucestershire
- Double Glazing Installation in Wirral
- Double Glazing Installation in Swindon
- Electrical Installation Condition Report Safety Checks Eicr in Greater London
- Plumbing Repairs in Greater London
- Gas Safety Checks Cp12 in Greater London
- Smart Thermostats in Greater London
- Shower Repair in Greater London
- Dormer Roof Windows in Greater London
- Gas Cooker Installation in Greater London
- Blocked Sinks in Greater London
- Cat Flaps in Greater London
- Air Source Heat Pump Servicing Repair Ashp in Greater London
- Moss Removal in Greater London
- Power Flushing in Greater London
- Double Glazing Installation in Southampton
- Double Glazing Installation in Birmingham
- Double Glazing Installation in Bristol
- Double Glazing Installation in Crawley
- Double Glazing Installation in Stoke On Trent
- Double Glazing Installation in Plymouth
- Double Glazing Installation in Oxford
- Double Glazing Installation in Tamworth
- Double Glazing Installation in Barking Essex
- Double Glazing Installation in Gloucestershire
- Double Glazing Installation in Wirral
- Double Glazing Installation in Swindon