The Heritage Collection comes with fetures such as original putty line details, staff bead options for both inside and outside frames.  See a great example of the Heritage collection installed in a contemporary new build setting.



Standard spec

  • Timberweld® joints (see Glossary for more details)
  • A rated as standard - Window Energy Rating by BFRC
  • Secured by Design approved - an Association of Chief Police Officers (ACPO) for complete peace of mind
  • 10 year guarantee
  • White woodfoil
  • Continuous horn detail
  • Exclusive Staff Bead outerframe design
  • External putty line detail to match original features
  • Tilt restrictors to all sliding sashes to assist with easy cleaning or safety arms (dependant on size)
  • Torso II spring balances tested to 50 000 cycles 
  • Choice of fully suited bespoke hardware available in a choice of antique brass, pewter, chrome or satin chrome
  • Exclusive locking cam catches with nylon insert to protect the claw from scratching and allowing smooth engagement
  • Exclusive Georgi®Clips where Georgian designs requested ensuring the bars remain attached for life
  • Exclusive patented white infill strip allows a perfect finish
  • Exclusive cill pads create a weather tight seal
  • Deep 105 mm bottom rail
  • Coupled frames


Optional features

  • Cream woodfoil
  • A pair of lockable limit stops to reduce opening initially to 100mm
  • No horns
  • For added ventilation trickle vents to sash or frame or a two position keep which can be locked in open position
  • Exclusive internal staff bead picture frames the window
  • Egress options for easy exit in the case of fire
  • Colour matched to any Farrow & Ball, RAL, British Standard Colours and other leading brand paint manufactuers' colours
  • Obscured or etched glass for extra privacy or a decorative finish
  • Large 63 mm bottom rail
  • Welded construction (mitred)
  • Dual foil with different colour finishes inside and out.  Minimum order eight frames

N.B. Due to continued improvements of our products we reserve the right to alter specifications without notice.

System u-value

1.5W/m2 K


  • BBA
  • energy saving recommended
  • SBD
  • CE
  • URS
  • TGO

Learn why you get better windows because of these

  • BBA logo
  • ISO logo grey
  • Secured by design logo grey
  • BFRC logo grey
  • Energy Trust logo Grey
<h3>Setting standards, safeguarding interests</h3>
<p>Masterframe have been GGF members since the mid 90s. Our MD has served on the GGF main board and chaired the Home Improvement Executive, FENSA and the BFRC. Membership gives you greater protection on a number of levels.</p>
  • DGC logo grey
  • CE logo grey
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