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Double Glazing Installation in St Helens (16)

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  • Sponsored
    My Custom Windows Logo

    My Custom Windows

    10.00

    (123 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Aluminium Doors Installation
    Porch Installation
    Misted Double Glazing
    Call
  • North West Window Repairs Ltd Logo

    North West Window Repairs Ltd

    9.97

    (790 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Emergency Windows / Doors / Conservatories Service
    Windows and Doors
    Conservatory Glass Heat Reduction Film
    Call
  • Tru-Guard Roofing & Renovations Logo

    Tru-Guard Roofing & Renovations

    9.46

    (81 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Double Glazing Repair
    Window Shutters
    Fire Doors Installation
    Call
  • Sponsored
    First Class Home Improvements Logo

    First Class Home Improvements

    9.82

    (38 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Orangeries
    Frosted Windows
    Interior Window Shutter Fitters
    Call
  • G M Windows & Doors Ltd Logo

    G M Windows & Doors Ltd

    9.78

    (54 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Exterior Doors Installation
    UPVC Doors Installation
    Aluminium Windows Installation
    Call
  • First Class Home Improvements Logo

    First Class Home Improvements

    9.82

    (38 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Bifold Doors Installation
    Wooden Sash Windows Installation
    Misted Double Glazing
    Call
  • Everglaze Ltd Logo

    Everglaze Ltd

    10.00

    (91 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Composite Front Doors Installation
    Window Fitters
    French Doors Installation
    Call
  • D & R Panels Logo

    D & R Panels

    9.99

    (212 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Conservatory Installation
    Window Fitters
    Patio Doors Repair
    Call
  • Emachomeimprovements Logo

    Emachomeimprovements

    9.85

    (11 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    French Doors Repair
    French Doors Installation
    Window Fitters
    Call
  • Manchester Windows Ltd Logo

    Manchester Windows Ltd

    9.92

    (103 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Composite Front Doors Installation
    Patio Doors Installation
    Windows and Doors
    Call
  • Noven Build Limited Logo

    Noven Build Limited

    (0 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Interior Window Shutter Fitters
    Porch Installation
    Timber / Wooden Windows Installation
    Call
  • WindowGeeks Logo

    WindowGeeks

    9.99

    (241 reviews)

    Operates in St Helens

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Aluminium Doors Repair
    Glass Replacement
    Aluminium Windows Repair
    Call

Find double glazing installers in St Helens

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 St Helens 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 St Helens?

Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in St Helens and check out our latest home improvement guides.