Double glazing companies in Glasgow

Replacing windows in Glasgow involves more than choosing a frame. Consider the property’s age, opening style, thermal needs and outside noise, then ask for a detailed home survey and clear installation terms.

Local specialists fit uPVC, timber and aluminium products, including sash, casement and tilt-and-turn windows. Some also offer acoustic or triple glazing, supply-only products, glass repairs, emergency boarding and bespoke restoration for period buildings.

Strathclyde Windows, Glasgow
Our pick

Strathclyde Windows

5.0Excellent262 reviews
  • U-value and regulations guidance
  • Top-floor flat installation experience

Right for: Glasgow homeowners replacing windows and doors

The top 5, side by side

Highlighted: the best figure in each column.

#BusinessRatingReviewsRight forBifold doorsComposite doorsSash windowsView profile
11. Strathclyde WindowsOur pick5.0262Glasgow homeowners replacing windows and doorsYesYesNoSee in the list
22. KC Glazing5.0252Domestic or commercial customers facing broken glazingNoNoYesSee in the list
33. Homeshield Scotland Limited4.91,387Glasgow homeowners replacing windows across a propertyYesYesNoSee in the list
44. RePlace Windows Limited4.9572Glasgow homeowners seeking thermal or noise-reducing glazingNoNoNoSee in the list
55. LW Sash & Case Windows5.0128Owners of period homes preserving sash-window characterNoNoYesSee in the list

Compare 45 double glazing companies in Glasgow

45 results

Strathclyde Windows, Glasgow
Our pick

Strathclyde Windows

10 Waverley St, Glasgow G41 2EA, United Kingdom
  • Bifold doors
  • Composite doors

Windows, front doors and patio doors are surveyed, supplied and fitted by Strathclyde Windows in Glasgow. The company suits homeowners replacing several openings, including those in top-floor flats where building regulations and technical choices need careful consideration.

The process includes a home visit, discussion of options and installation arranged around the customer’s convenience. Advice has covered U-values and required regulations, while completed projects have included six or more windows, doors and patio doors, with the work area cleared afterwards.

  • U-value and regulations guidance
  • Top-floor flat installation experience

Right for: Glasgow homeowners replacing windows and doors

5.0Excellent262 reviews
No published price
KC Glazing, Glasgow

KC Glazing

36 Spittal Rd, Rutherglen, Glasgow G73 4QL, United Kingdom

Open 24 hours

  • Sash windows

KC Glazing provides 24-hour emergency glazing and boarding for domestic and commercial properties across Glasgow, Lanarkshire and surrounding areas. Its core services include broken-window repairs, misted double-glazing replacement and single-pane replacement.

When glass cannot be fitted immediately, the team can board windows and doors to secure premises before returning with the correct replacement. Customers can send a photo and glass measurements for a quote. The business also installs clear, patterned and toughened safety glass, alongside laminated and security glass. Its emergency service operates anytime of the day or night.

  • 24-hour emergency boarding
  • Misted double-glazing replacement
  • Glasgow-wide postcode coverage

Right for: Domestic or commercial customers facing broken glazing

5.0Excellent252 reviews
No published price
Homeshield Scotland Limited, Glasgow

Homeshield Scotland Limited

515 Lawmoor St, Glasgow G5 0TT, United Kingdom
  • Bifold doors
  • Composite doors

Double-glazed windows for Glasgow homes include casement, sash and tilt-and-turn styles, with doors, garden rooms and renewable systems also available. Homeshield Scotland Limited arranges a home visit so a representative can discuss the project, help select products and prepare a free quote. Casement windows focus on ventilation and security, sash designs combine traditional appearance with modern double glazing, and tilt-and-turn windows provide ventilation and cleaning access.

Installations are completed by local, fully qualified installers and are backed by a 10-year warranty. The company serves Glasgow and locations across Scotland, with home visits scheduled at a suitable time. Finance options are subject to affordability, age, status and minimum spend.

  • Casement, sash and tilt-and-turn styles
  • 10-year installation warranty
  • Home visits with free quotes

Right for: Glasgow homeowners replacing windows across a property

4.9Excellent1,387 reviews
No published price
RePlace Windows Limited, Glasgow

RePlace Windows Limited

Tay House, 300 Bath St, Glasgow G2 4JR, United Kingdom

RePlace Windows Limited supplies and installs double, triple and acoustic glazing in Glasgow and Central Scotland.

The range includes German-engineered double-glazed windows, A-rated triple glazing and acoustic windows, alongside uPVC casements, tilt-and-turn and bay windows. Doors include composite, PVC and bifold options. Acoustic products are designed to reduce external noise, while triple glazing targets thermal efficiency and noise reduction. The installation service includes a 10-year guarantee, and customers can request a free survey or quote without an upfront deposit. A-rated double glazing is assessed using U-values.

  • Acoustic glazing for external noise
  • A-rated triple-glazed windows
  • 10-year installation guarantee

Right for: Glasgow homeowners seeking thermal or noise-reducing glazing

4.9Excellent572 reviews
No published price
LW Sash & Case Windows, Glasgow

LW Sash & Case Windows

25 Harhill St, Glasgow G51 3NL, United Kingdom
  • Sash windows

Traditional sash and case windows are restored, repaired and replaced by LW Sash & Case Windows for Glasgow homes and properties across Scotland. The family-owned business creates bespoke double-glazed sash windows designed to retain Georgian and Victorian character while adding modern thermal performance, security and sound insulation. Replacement work can reproduce the original look, with styles, materials and finishes selected to suit the building.

Where existing windows can be retained, the Glasgow team carries out refurbishment using traditional techniques, draught proofing and mastic pointing. Repairs are also available for sash windows that need a new lease of life. Manufacturing uses materials including Accoya, softwood and hardwood, with each solution developed around the property’s architectural character.

  • Bespoke double-glazed sash windows
  • Restoration using traditional techniques
  • Accoya, softwood and hardwood options

Right for: Owners of period homes preserving sash-window character

5.0Excellent128 reviews
No published price
RCH Windows and Doors, Glasgow

RCH Windows and Doors

1 Camelon St, Glasgow G32 6AF, United Kingdom
  • Bifold doors
  • Composite doors

RCH Windows and Doors installs replacement windows and external doors, including larger domestic projects involving several openings at once. Its work covers new front and rear doors, with customers also using the company for repeated window installations and matching future replacements.

Installation is carried out in the home, with fitters removing old doors where needed and cleaning up afterwards. The service suits homeowners planning a coordinated upgrade, including projects involving all 7 windows and 2 doors in one installation.

  • Window and door installations
  • Coordinated multi-opening projects
  • Old-door removal

Right for: Homeowners replacing several windows or doors

4.9Excellent257 reviews
No published price
Hi-Spec Windows and Doors Limited, Glasgow

Hi-Spec Windows and Doors Limited

Unit 7-8, Hi-Spec Windows and Doors Limited, Morris Park, 37 Rosyth Rd, Glasgow G5 0YD, United Kingdom

Open 24 hours

  • Bifold doors
  • Composite doors

Hi-Spec Windows and Doors Limited fits replacement windows and doors for homes and rental properties in Glasgow. A documented project involved six windows and a front door installed over two days, while other work covered three windows and replacement units for multiple properties.

The process includes measuring, showing product options and preparing a formal quote. Fitting teams remove old materials, protect carpets and clean the work area afterwards, making the service suitable for customers replacing several openings with installation included.

  • Multi-window installations
  • Carpet protection during fitting
  • Removal of old materials

Right for: Homeowners and landlords replacing windows

5.0Excellent94 reviews
No published price
Bearsden Glazing, Glasgow

Bearsden Glazing

62 Spey Rd, Bearsden, Glasgow G61 1LD, United Kingdom
  • Composite doors
  • Sash windows

Replacement panes for condensation, cracked glass and larger glazing projects are undertaken by Bearsden Glazing in Glasgow. The glazier has replaced three large panes in a flat, fitted a new glass panel and cat flap in a patio door, and installed a replacement glazed unit.

The process can begin with dimensions and a quotation, followed by an in-person measurement before the glass is ordered. New glass panels and cat flaps give homeowners a practical route to updating existing doors and windows.

  • Large-pane replacement
  • Patio-door cat flaps
  • Measure-then-order process

Right for: Homeowners replacing cracked or misted glass

5.0Excellent72 reviews
No published price
Creative Glazing, Glasgow

Creative Glazing

15 Lintlaw Dr, Glasgow G52 2NS, United Kingdom
  • Bifold doors
  • Composite doors

Made-to-measure uPVC windows are supplied and installed by Creative Glazing in Glasgow and surrounding areas. The range includes casement, tilt-and-turn and sliding-sash windows, with REHAU profiles used for its casement and tilt-and-turn products.

Tilt-and-turn windows are suited to upper floors and tenement flats because the sash opens inwards for ventilation and cleaning access. Sliding sashes retain a traditional appearance while adding modern uPVC performance, and casements are specified with energy-efficient double glazing, twin-cam locks and low-maintenance frames. Creative Glazing also provides doors, roofline and gutter repairs, and offers supply-only windows to homeowners using their own installer.

  • Made-to-measure REHAU uPVC windows
  • Inward-opening tilt-and-turn designs
  • Supply-only options for own installers

Right for: Glasgow homeowners replacing windows in tenements or period homes

4.9Excellent91 reviews
No published price
M J S Double Glazing Repairs, Glasgow

M J S Double Glazing Repairs

Blairbeth Rd, Rutherglen, Glasgow G73 5BU, United Kingdom
  • Sash windows

M J S Double Glazing Repairs handles repairs to windows and doors across Glasgow and surrounding areas, including misted sealed units, replacement hinges and locks. The service also covers seals, tilt-and-turn mechanisms, draughts, leaks and composite door repairs.

The small family business works with homeowners and businesses, with quotes subject to a full survey. Replacement products have stated guarantees, including five years on sealed units and two years on parts, while leak repairs to existing installations have specific guarantee limitations. New composite doors and full window or door installations are also available where repair is not the appropriate solution.

  • Repairs windows and doors
  • Five-year sealed-unit guarantee

Right for: Homeowners needing double-glazing repairs

4.9Excellent67 reviews
From£40

Where double glazing companies work from in Glasgow

The map shows where each company is based, though many travel well beyond their town to work.

What homeowners ask before the work starts

How much does double glazing cost in Glasgow?

The businesses use surveys, measurements and project requirements to prepare quotations, rather than giving one standard price. Costs can vary with the number of openings, frame material, glazing specification, doors, access and whether the work involves repair, supply-only products or full installation.

Can Glasgow companies replace misted double glazing without replacing the frame?

Yes. Several services replace misted or failed sealed units while retaining a sound existing frame. Others repair hinges, locks, seals and mechanisms. A survey or measurement is normally used to determine whether a glass-only repair or a complete replacement is appropriate.

Are there double glazing companies in Glasgow for sash or listed windows?

Yes. Businesses work on traditional sash and case windows, including repair, refurbishment, bespoke timber manufacture and double-glazed replacements. Some support listed-building or conservation work, while others reproduce period appearance with modern glazing and draught-proofing.

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