Bespoke Timber Sash Windows in London
Traditional vertical sliding sash windows designed to preserve period proportions while introducing modern glazing, finishes and security.
Traditional box-sash character, made for today.
Oakview’s timber sash range combines classic vertical sliding operation with modern sealed glazing and a choice of decorative bar details for refurbishment and new-build projects.
Options to shape around your property
Final availability and specification depend on the selected system, opening and survey.
Box Sash Proportions
Designed to reproduce the visual character of traditional sash windows.
Explore →Cords & Weights
A classic balance method referenced in Oakview’s timber sash specification.
Explore →Glazing Bars
Stick-on timber bars or structural bars are available depending on the design.
Explore →Colour & Finish
Oakview references white RAL 9003 as standard, with project-specific finish choices available.
Explore →
Specify the product around the building — not the other way around.
Material, opening style, glazing, colour and hardware all affect how the finished installation looks and performs. Oakview’s team can help you compare the available options before the quotation is finalised.
For independent background on compliant replacement installations, see FENSA.
Explore the Oakview gallery →Timber Sash Windows — key specification
These points summarise Oakview’s currently published service information. Your quotation should confirm the exact system and performance values supplied.
- Timber
- Mahogany Red Meranti referenced
- Operation
- Vertical sliding, top-down system
- Standard finish
- White RAL 9003 referenced
- Glazing
- Clear soft-coat double-glazed sealed units; published glass-unit Ug 1.1 W/m²K
- Safety glass
- Toughened safety glass listed as an option
- Balance
- Steel weights fitted inside the frame are referenced
- Glazing bars
- Stick-on timber bars or structural bars
REAL OAKVIEW WORK
Explore our related galleries
See photographs relevant to this window or door service.
Product choice is only part of a good installation.
Survey, specification, detailing and fitting all influence the final result.
A family-run London window and door company with long-standing installation experience.
Oakview is FENSA registered for relevant replacement window and door work.
Oakview states a 10-year guarantee across windows, doors and conservatories.
Discuss materials, colours, glazing and project requirements with the team in person.
Explore the services that sit closest to this project.
Internal links below take you to the most relevant Oakview product pages for comparison.
Useful advice for your project
Timber Sash or uPVC Sash Windows? A Practical Comparison
Both timber and uPVC vertical sliding sash windows can deliver the proportions and opening style associated with traditional British…
The Ultimate Guide to Timber Sash Windows: Benefits, Styles, and Maintenance Tips
Timber sash windows have been a staple in architecture for centuries, admired for their timeless elegance, craftsmanship, and practicality.…
Why Timber Sash Windows Are the Perfect Choice for Historic and Contemporary Homes
Timber sash windows have long been regarded as a symbol of architectural elegance, craftsmanship, and practicality. Their design has…
Timber Sash Windows questions
Useful starting points before your survey and quotation.
Are Oakview timber sash windows traditional box sashes?
Oakview’s published range includes traditional box sash windows with cords and weights.
What timber is listed?
Mahogany Red Meranti is listed in the current timber sash specification.
Can the windows be double glazed?
Yes. Oakview’s published specification references clear soft-coat double-glazed sealed units.
Are glazing bars available?
Yes. Stick-on timber bars and structural bars are listed options.
Start with a survey and a clear specification.
Tell us about your property, opening sizes and the result you want to achieve. We’ll help you compare the appropriate options and prepare a tailored quotation.