Nationwide
Lead Times
Installation
Finance
Sash Windows
Bespoke sash windows, combining prestige with heritage
Sash windows bring timeless elegance and refined character to both period and contemporary homes. At Spittlywood, we design and manufacture bespoke timber sash windows that blend traditional styling with modern-day performance offering smooth operation, energy efficiency and long‑lasting reliability. Whether you are restoring a heritage property or upgrading a family home, our sash windows enhance both the interior and exterior with their unmistakable charm.
Each window is crafted in our Kent workshop using a combination of state‑of‑the‑art technology and expert joinery techniques. This ensures every sash window achieves the perfect balance of authenticity, functionality and security. With advanced energy‑efficient glazing, robust locking options and durable materials, our sash windows contribute to a warm, comfortable and secure home throughout the year.
Bespoke Sash Windows
Every sash window we manufacture is tailored to suit the character and proportions of your property. Our designs honour traditional joinery while incorporating modern improvements, such as:
- Improved air‑tightness
- Enhanced acoustic performance
- Smooth sliding mechanisms
- Long‑lasting timber stability
This thoughtful blend of old and new allows our sash windows to sit harmoniously within properties of all styles from Georgian townhouses to modern countryside homes.
Bespoke Joinery Design
Expert Craftsmanship & Installation
Sustainable Timber & Finishes
Built with Sustainable
High‑Quality Materials
We manufacture our sash windows using premium, sustainably sourced timbers, including hardwoods, softwoods and Accoya. These materials offer exceptional durability, weather resistance and long service life. Accoya and Red Grandis are among our most recommended choices thanks to their outstanding stability and low‑maintenance performance.
The combination of quality timber and proven manufacturing techniques ensures that each sash window remains dependable for decades, with minimal maintenance required to stay looking its best.
Recommended Timber
For the best balance of durability, stability and aesthetics, we recommend:
- Accoya
- Red Grandis
Finishes
Our finishes are done in house and we offer the following:
- Opaque Finishes
- Translucent Finishes
- Factory Applied
Ironmongery
We offer a wide range of Hardwick hardware including:
- Handles
- Flush Stops
- Sash Lifts
- Locking Claw Fasteners
Glazing
We offer the following glazing options:
- Standard Double Glazing
- Slim Heritage Units
- Specialist & Triple Glazing
Sash Windows Gallery
Sash Windows FAQ'S
Do you have experience working with listed buildings?
Yes, Spittlywood has years of experience manufacturing and fitting timber sash windows for listed and heritage properties. We understand conservation requirements and ensure every design is sympathetic to the building’s character.
Can you match existing sash windows for period/listed homes?
Absolutely. We specialise in heritage and conservation joinery, replicating original profiles, mouldings, and detailing to satisfy planning and conservation standards.
Do you supply and fit sash windows?
Yes, we offer both supply-only and full installation services. We’re also happy to work alongside builders, architects or main contractors.
Can you provide section drawings for planning permissions?
Yes, we can provide detailed section drawings, elevations, and specifications to support your planning or listed building consent application.
What timbers do you recommend for sash windows?
We recommend Accoya and Red Grandis (engineered hardwood). Both offer outstanding durability, stability, and weather resistance. Accoya provides exceptional longevity with minimal maintenance, while Red Grandis offers the warmth and beauty of traditional hardwood.
Can sash windows be painted or stained?
Yes. All windows are factory-finished in your chosen paint or stain using high-quality microporous coatings that protect the timber and maintain a flawless finish.
Do you supply bare wood items?
Yes we can supply sash windows as bare timber, ready for on-site finishing or painting. This allows builders or specialist decorators to apply their preferred finishes.
Are your sash windows secure and weather-resistant?
Yes. All sash windows are built to PAS 24 standards for enhanced security and BS 6375 for weather performance, providing long-term reliability and peace of mind.
How long does it take to make bespoke sash windows?
Lead times typically range from 6–12 weeks, depending on design and finish requirements.
Do you offer triple glazing for sash windows?
Yes, triple glazing is available to enhance thermal performance and energy efficiency.
What is PAS 24 and why is it important?
PAS 24 is a British standard for security, confirming that your windows have been tested to resist forced entry.
What type of glazing do you use?
We use high-performance double and triple glazing, sourced from reputable local suppliers in Ashford, Kent. These units enhance energy efficiency, reduce noise, and improve security. For heritage projects, we offer Thinlite units with narrow cavities to preserve traditional aesthetics. Additionally, we provide toughened and laminated glass for safety and fire-resistant glass where required.
Still Have Questions?
If you have any additional questions get in touch via phone or email:
Trusted & Accredited
Fensa Approved
Our installations meet all current building regulations and are fully certified, giving you confidence that everything is done properly and compliantly.
Trading Standards Checked
Independently approved for fair trading and professional standards, so you can trust who you’re dealing with from start to finish.
PAS 24 Security
Our products are tested to meet strict security standards, helping to keep your home protected from forced entry.
Secured By Design
A police‑backed scheme that confirms our products are designed to deter crime and improve home security.
Premium-Quality
All our products are meticulously crafted by seasoned joiners using state-of-the-art machinery, computer-aided precision and expertly finished by hand.
Sustainable
We are committed to providing sustainable options using eco-friendly materials and processes that are proven to support the environment.
Energy Efficiency
U-values from 1.2 W/m²K (U-values stated are for double glazed. Improved U-values can be achieved with triple glazing). Lower ratings possible with vacuum glass hybrid units.
Multiple Choice
We offer a wide range of materials, hardware and colours including, slim frames, single, double, triple, and vacuum glazing.
Bespoke Designs
Every design is unique and meticulously handcrafted to your preference, specification and thoughtfully chosen decorative elements.
Enhanced Security
Our products are PAS 24 accredited and provide tested locking systems created with durable materials that provide maximum protection for your family.
Alu Clad Windows
Casement Windows
French Doors
Terms
Lift & Slide Doors
Stormproof
Listed & Heritage Properties
We have extensive experience crafting timber sash windows for listed buildings and heritage homes. Our team understands conservation requirements and produces joinery that respects the original architectural details.
We can:
- Replicate existing mouldings and profiles
- Match heritage proportions
- Ensure compliance with conservation guidelines
- Provide section drawings, elevations and specifications for planning and listed building consent applications
This allows you to retain the authentic appearance of your home while benefitting from modern energy efficiency and reliability.
Team up with Spittlywood
Become a Trade Partner
When you become a trade partner with Spittlywood, you get access to a whole host of benefits such as trade discounts, regular news articles relating to both Spittlywood’s latest events/product launches and industry news, making sure you keep up to date with the latest materials and methods in the window industry. There is also access to a large bank of downloads and CAD drawings to assist with designing and specifying the right windows.
We intend to build trade partnerships with trusted professionals to deliver the best quality products and services.
UK‑Wide Delivery &
Installation Across the South East
At Spittlywood we offer both supply‑only and full installation services. Whether you’re a homeowner, architect or contractor, we can work directly with your project team to ensure the door fits and performs exactly as intended.
