Timeless Craftsmanship With Modern Performance
Beautifully Crafted Timber Windows For Every Property
At Exterior Plas, we specialise in bespoke timber window manufacturing and installation across Essex and London. Our engineered timber systems are designed to enhance the charm of traditional architecture while delivering modern thermal efficiency and long-term reliability.
We combine premium timber materials, precision manufacturing, and skilled craftsmanship to create elegant window solutions tailored to your property.
Bespoke Timber Designs
Heritage & Modern Styles
Sustainable Materials
Long-Term Performance
Explore Our Timber Window Options
Aluminium windows combine slim sightlines, outstanding strength, and energy efficiency to create elegant spaces filled with natural light.
Casement Timber Windows
Classic outward-opening windows offering excellent ventilation and timeless styling.
Flush Timber Windows
Flush-fitting window systems designed for authentic timber-style aesthetics.
Bespoke Timber Design
Tailor-made timber window systems crafted to suit unique architectural styles.
Heritage Timber Windows
Carefully designed solutions that preserve the original character of period properties.
Traditional Character. Advanced Engineering
Modern engineered timber combines timeless aesthetics with enhanced structural stability. Exterior Plas uses engineered redwood timbers sourced from FSC and PEFC-accredited European forests to improve durability while reducing warping and swelling over time.
Exceptional thermal insulation
Natural timber aesthetics
Enhanced structural stability
Sustainable construction material
Long-lasting protective finishes
Why Homeowners Choose Timber Windows
Their durable construction and low-maintenance finish make them an ideal choice for both residential and commercial projects.
Natural Beauty
Timber windows add warmth, texture, and authentic character to any property.
Long Lifespan
Modern engineered timber windows are designed to deliver decades of reliable performance.
Sustainable Choice
Responsibly sourced timber makes these systems an environmentally conscious solution.
Energy Efficiency
Advanced glazing systems help improve insulation and reduce heat loss.
Enhanced Kerb Appeal
Beautiful timber windows can significantly enhance the appearance and value of a property.
Custom Finishes
Available in a wide range of finishes, stains, and paint colours to suit your home.
Advanced manufacturing capabilities and commitment to quality.
We have been fabricating REHAU windows and doors for nearly three decades. Since it launched in 1988, it has been one of the largest single producers of uPVC window and door systems using the ‘Calibre’ profile, alongside the TOTAL70 suite, and the REHAU ‘Rauferno’ fire-rated products for which we helped spearhead the research and development over two decades ago.
Consultation & Site Survey
Bespoke Design
Precision Manufacturing
Professional Installation
Built To Last
We’ve built long-standing relationships across the industry by staying accountable, adaptable, and committed to doing the job right the first time.
30-Year Warranty Against Rot
Factory Applied Finishes
Engineered Timber Construction
Precision Manufacturing
Frequently Asked Questioned
Are timber glazed windows in Essex energy-efficient and secure?
What is the expected service life of your timber windows?
Do your windows meet FENSA and Building Regulations?
Will installing timber glazed windows in Essex add value to my home?
Are timber windows suitable for conservation areas in Essex?
Ready to upgrade your property?
Take the first step towards transforming your space by scheduling a consultation with Exterior Plas.