• Specifically designed to replicate traditional steel
  • Polyester powder coated
  • ‘A’ rated for thermal efficiency
  • 32mm GRP thermal break
  • Slim outer frame with welded hinges and corners
  • Full height multipoint locking mechanisms
  • Choice of handles and peg stays
  • Glazing is by high specification 24mm sealed units for optimum thermal performance
  • Can be direct fixed or installed into new or existing timber sub-frames.

Hambledon Logo

Steel alternative windows with double glazing in Surrey & South West London

The Hambledon range of windows is the slimmest thermally broken 'A+10 rated' metal windows available. They encompass a range of options, choices and features.

Our windows are excellent replacements for period windows, Georgian windows, steel windows or alternatively we can manufacture bespoke windows to suit your specification.

Slim Sightlines with a visible frame as slim as 23mm retains maximum glass size and means that you no longer have to compromise when replacing your Crittall TM Windows

Steel Replacement Installation
Steel replacement windows installation

Customisable steel alternative windows

Available in a range of glazing and design styles with traditional working features including operational welded hinges. Concealed friction hinges provide the opportunity to capitalise on the benefits of slim sight lines in a more contemporary style.

Polyester powder coated: frames can be coated in any standard RAL colour: in a choice of finishes including matt, semi-gloss, gloss and Hammerite finish. Dual colour is also available – where frames are painted one colour inside and a different outside is available on request.

Thermally efficient steel alternative windows

The thermally efficient frames are glazed using 24mm double glazed argon-filled units with warm edge spacer bar technology and the latest thermally efficient glass providing a BFRC 'A+10 rated' window, making your home lighter brighter and warmer.

Glass options include Georgian windows or Cottage windows incorporating an external putty line bar, and internal fenestra bar and traditional ‘lap joint’.
Using flat or rounded leads in a range of widths, all soldered and antiqued for greater authenticity and to replicate the features of your period windows. Choose from rectangular, diamond, Queen Anne, abstract and bespoke designs, including colour panes and stained glass effects.

To learn more, you can read our blog piece: Critall windows vs the aluminium alternative - why we choose the lighter, sleeker alternative.

Steel replacement windows
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