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Window Repairs

Top Hung Fanlights
Side or Top Hung Casement Windows up to 1m2
Fully Glazed Door or Side Panel upto 2m2
Survey, Manufacture & Installation Including 4 Way Locking Cat Flap
Click here to remove survey fee if spending more than £500.00
Key Lockable, available in White, Chrome, Gold or Black
Window Friction Stay Hinges, add: £5.00 for Egress Hinges
Secure YOUR Doors with an Ultion 3 Star Euro Cylinder, add to any replacement sealed unit order and save £50.00 RRP: £149.00
Total Cost£
upvc sealed units

Please note: Our costs are fully inclusive of Manufacture, Installation and Guarantees. A survey fee of £40.00 will apply to any order under £500.00 The price you see is the price you pay – all costs are inclusive of Annealed Glass or Toughened Glass where applicable at no extra charge.

Obscure (Patterned) Glass, Georgian or Leaded Glass will incur an additional cost which will be confirmed at time of survey.

Minimum fee of: £120.00 + VAT applies to any order.

Can’t find what you’re looking for? Please email us:

For NEW WINDOW installations please click here.

Door Repairs

For a personalised quote for a door repair, please email us:

Please include your name, address (inc postcode) and as much detail about the repair as possible. Attached photos would be really helpful too!

INSTANT online REPAIR quote...

Contact Us

Mon - Fri: 03333 220 270
Royston, Hertfordshire SG8 9DL AND Hoddesdon EN11 0LB

Areas Covered



Bishops Stortford












Saint Albans



And surrounding areas…

Products Include

uPVC Windows

uPVC Doors

uPVC French Doors

Composite Doors

Aluminium Windows

Aluminium Doors

Aluminium French Doors

Aluminium Bifold Doors

Aluminium Sliding Doors

Timber Windows

Timber Doors

Timber French Doors

Secondary Glazing


Roof Lights

Repairs Include

Replacement Sealed Units

Misted or Cloudy Double Glazing

Window & Door Handles

Window Adjustments

Sash Window Repairs

Friction Stay/Egress Hinges

Front/Back Door Euro Cylinders

Door Hinges & Adjustments

Conservatory Replacement Glazing

Window Repair Company Hertfordshire (Trading name of Argon Windows and Doors Limited) serves the whole of the county including: Baldock, Bishops Stortford, Harpenden, Hatfield, Hemel, Hertford, Hitchin, Hoddesdon, Letchworth, Potters Bar, Rickmansworth, Royston, St Albans, Stevenage, Watford, Welwyn Garden City, Watford and surrounding areas. We offer a professional Window & Door Replacement Service alongside our Repair service replacing your blown (misted or cloudy) sealed units in your uPVC, Aluminium & Timber windows & doors. In addition to this service we also carry out Window & Door repairs including handles, hinges, adjustments and 3 Star Ultion Euro Cylinders.

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