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Traditional Sash Box Windows

Sash box windows have been used for many years in Victorian and Georgian properties but have recently regained popularity for those who wish to give a more classical look to modern houses.

Traditional Sash Box Windows

Traditional Box Sash Windows are made-to-measure, and windows are made from engineered wood and supplied fully factory glazed and spray painted with topcoat. The products are finished off with top-quality sash fasteners, lifts and pullies. The box-sash window is mainly a British commodity that is mostly found in Georgian and Victorian households. However, more recently, it has been frequently used on more modern houses to create a classic look.

  • Much lower moisture absorption levels compared with fir
  • Impregnation unnecessary
  • High durability and very resistant to rot and fungus
  • High mechanical resistance and excellent pressure resistance
  • Excellent wear resistance (Class II)
  • High density
  • Aesthetically pleasing to the eye


Nordic Pine: Nordic pine is from a slow-grown northern forest (Siberia, Karelia). The wood is soft, medium in weight, and has medium density and excellent fibre and characteristics: tight growth rings, resulting in natural strength. Oak: The quality of oak is genuinely remarkable. Oak wood has a density of about 0.75 g/cm creating great strength and hardness. It is resistant to insect and fungal attacks and durable even in contact with moisture beyond all common beliefs. Oak is durable and long-lasting, with a bright and robust wood texture.

Sapele: Sapele is a complex and very durable hardwood. Solid Sapele is generally stable when dry, making it ideal for use in doors and windows. It is perfect for painted applications due to its fine graining. Sapele also has an attractive aroma that is resistant to insects. Siberian larch: Siberian larch timber is naturally beautiful – so no finishing is required. This tree is one of the best coniferous woods in the forest, with excellent properties.


Sash windows are glazed with double-glazed units, incorporating advanced thermally insulating glass to provide extremely low U-values. The efficiency is further improved by filling the cavity with Argon Gas and low conductivity Warm Edge Spacer bars to minimise heat loss on the edges and result in centre pane U-values of 1.0 W/m. High light transmittance (75%+) maximises the entry of sunlight into your home. As well as our range of clear glass options,, we also have a wide choice of etched glass and extensive obscure patterned glass available in any of our windows.

All double-glazed units are designed with drainage and ventilation channels which helps to prevent timber frames from humidity using condensation grooves. Decorative bars inside glass packs – different colour profiles used for dividing glass according to required density, assembled inside the insulating glass unit.

Glass types
  • Toughened – increase strength and safety
  • Laminated – provides additional security over the toughened unit
  • Obscure – gives privacy and style to windows
  • Available in a wide range of patterns
  • Security - All our box sash windows are glazed internally to improve safety, making it impossible for intruders to gain entry by removing the glass


We use Pickard and Mighton hardware, depending on the customer requests. Our suppliers ensures to provide wide choice and best quality traditional English hardware.

Mighton – established in 1983, United Kingdom, as a supplier of nylon sash pulleys to the joinery window industry. Mighton offers a comprehensive range of over 2000 high quality sash, casement and door products. Mighton hardware are certificated by SBD (Secure by design) Pickard – established the company in Keighley 1982. Pickard Hardware has grown to be one of the United Kingdom leading distributors of specialised hardware products.

One of the key factories ensuring the highest windows quality is wood and how wood are processed. Our windows are produced using laminated wood beams in the Nordic pine and oak. Other type of wood such as Mahogany Sapele and Siberian larch can be both: solid and glued beams.

All wood which we are using has FSC certification. It means that wood are from forest that are 100% replanted.


High quality completion of our timber windows is obtained using highest quality, ecological, water- based paints and pickle. The finishing coat is elastic and moves together with the wood, let it breathe. It is water soluble, moisture resistant and fast drying finish with a long–term UV protection.

A wide variety of paints and lacquers are available to meet our customers requirements. All of our paints and lacquers are environmentally friendly, ecologically clean and harmless to the environment.

Painting technology are:
  • grinding
  • impregnation – priming
  • grinding
  • priming
  • grinding
  • painting

For the oak wood, before all these steps, we are filling the pores with a pores sprayer.

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