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Double Glazing Installation in Letchworth (18)

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  • Sponsored
    Everbrite Home Improvements Limited Logo

    Everbrite Home Improvements Limited

    9.72

    (32 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Window Shutters
    UPVC Windows Installation
    UPVC Doors Installation
    Call
  • AW Windows Ltd Logo

    AW Windows Ltd

    9.93

    (155 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Windows and Doors
    UPVC Doors Installation
    Conservatory Roof Insulation
    Call
  • J Lefort Installations Logo

    J Lefort Installations

    9.89

    (267 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Porch Installation
    Exterior Doors Installation
    Stained Glass
    Call
  • Sponsored
    Apex Windows Ltd Logo

    Apex Windows Ltd

    9.75

    (215 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Bifold Doors Installation
    Orangeries
    Triple Glazing Installation
    Call
  • Everbrite Home Improvements Limited Logo

    Everbrite Home Improvements Limited

    9.72

    (32 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Doors Supply
    Window Shutters
    Composite Front Doors Installation
    Call
  • P H Glazing Solutions Limited Logo

    P H Glazing Solutions Limited

    10.00

    (120 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Patio Doors Installation
    Bay Windows Installation
    Window Fitters
    Call
  • Apex Windows Ltd Logo

    Apex Windows Ltd

    9.75

    (215 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    UPVC Windows Installation
    Triple Glazing Installation
    Stable Doors
    Call

  • Old School Builders

    10.00

    (38 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Timber / Wooden Doors Installation
    Fire Doors Installation
    Conservatory Installation
    Call
  • LDM Installations Logo

    LDM Installations

    9.91

    (201 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Double Glazing Repair
    Window Shutter Fitters
    UPVC Doors Repair
    Call
  • Revive Windows and Doors LTD Logo

    Revive Windows and Doors LTD

    9.95

    (181 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Bifold Doors Repair
    Timber / Wooden Doors Installation
    Windows and Doors
    Call
  • The Glass Company London Limited Logo

    The Glass Company London Limited

    9.39

    (31 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Wooden Sash Windows Installation
    Window Film
    UPVC Doors Installation
    Call
  • Kooka Group Logo

    Kooka Group

    9.73

    (397 reviews)

    Operates in Letchworth

    Services & skills
    Windows / Doors / Conservatories
    Double Glazing Installation
    Conservatory Installation
    Exterior Doors Installation
    Roof Windows Installation
    Call

Find double glazing installers in Letchworth

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 Letchworth 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 Letchworth?

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