Parkwood Joinery Ltd, Southpark Ind. Est. Scunthorpe, North Lincolnshire. DN17 2TX. T.01724 847181.

Traditional Sliding Sash

Sliding Sash timber window

The sliding sash window has been in use since the 17th century. Having two glazed sashes which move vertically within an outer frame, and a counterbalance mechanism holds the sashes in an open or closed position.

Our Heritage Sliding Sash timber windows are a popular choice for installation into period properties. Those who require energy efficient replacement windows that retain the original character of the period property, or those wanting a tradition  al aesthetic to an extension or new build project.
Parkwood Sliding Sash windows fitted in your home, will increase its value and make it more energy efficient. Making your home not only more beautiful, but also an investment in the future.

Shown here is our typical Georgian ‘8 over 8’ heritage sliding sash window

The windows operate smoothly on double sprung sash balancers and have weather seals and gaskets that are discreetly grooved into the timber sections, ensuring a weather proof seal. The Joinery sections include traditional staff & parting beads and Ovolo moulded sash profile. Slender Georgian bar sections give an authentic lambs tongue, traditional appearance
This range of windows typically feature the following:

  • Traditional manufacture techniques
  • Ovalo moulded sash profile
  • Staff bead moulded outer frame
  • Slender Georgian bar detail (bonded)
  • Authentic lambs tongue mouldings
  • Puttyline external glazing detail
  • Decrotive sash horns
  • fitch catches and lift handles
  • Siberian larch or Accoya® modified timber
  • Factory applied Sikkens performance coatings
  • Weights and ropes
  • Discrete weather proofing seals and gaskets
  • Factory glazed
  • single or Slimlite glazed
The High Performance Sliding Sash window by Parkwood satisfies the current Building Regulations thermal standard requirements (the reduction of CO2 emissions in buildings), and is readily accepted as a replacement / upgrade in buildings that are neither listed nor in conservation areas.

For environmental reasons, local planning offices usually view the replacement of sash and casement windows with double glazed ones favourably.

If you property is within a Conservation Area or is a Listed Building, please read the following
Conservation Areas

Conservation Areas are areas where the Local Council has a commitment to preserve or enhance the special character of the area, and maintaining the identity of buildings that lie within it.
Replacement windows in Conservation Areas may need permission. The need for permission should be checked before proceeding with plans and investment.

The Parkwood Heritage Range of windows and Doors, with a combination of options, are specifically designed to meet Conservation Area guidelines – more information –  click here

Listed Buildings

Listed Buildings are those buildings which are of national historic and/or architectural importance.
Listed Building consent will be required for the replacement of windows and doors in a Listed Building, in most cases.

Parkwood can liaise with local conservation officers on your behalf, discussing the most suitable architectural joinery, for your sensitive heritage or listed building project.

Parkwoods approach to Listed Buildings – click here