Restore your original timber windows to full function while preserving the unique character of your heritage home. Our qualified carpenters work to heritage standards, combining traditional craftsmanship with modern upgrades for comfort, energy efficiency, and durability. We also work with NSW’s top heritage architects on special projects.
Original timber windows are a key feature of your home’s charm, but years of use, weather exposure, and lack of maintenance can leave them looking worn and performing poorly. Replacing them with modern windows may be costly and compromise your home’s character – restoration is the ideal alternative.
Our restoration process addresses both the function and appearance of your timber windows. We carry out timber repairs to fix rot, damage and warping, replacing sections of timber only where necessary to preserve as much of the original material as possible.
Windows can be reglazed with heritage-matched glass or upgraded to high-performance glazing, including double glazing where appropriate. We also replace worn hardware such as pulleys, locks, handles and other components to ensure smooth operation.
Draught-proofing and weatherproofing seals are installed to improve energy efficiency and reduce outside noise, while surface refinishing including sanding, painting or staining restores the original beauty of the timber.
Each window is carefully restored to maintain the original character of your home while improving comfort, efficiency, and lifespan. With proper care and upgrades, heritage timber windows can last another 100 years and often outperform modern replacements.
The team from IWWS did a great job restoring our windows of our 1889 terrace. Not only are the operational again instead of painted shut, the craftsmanship to restore rather than replace means we have keep the original character. Also the noise reduction and increased light have reduced external noise dramatically. Finally, just a great bunch of people, pleasant, passionate, professional. Strongly recommend.
Maryann Hazard
Recently IWWS repaired our original sash windows and our precious leadlights. They carefully replaced the damaged beading with hardwood and added draught seals. The sashes got new ropes and weights, brass hardware and locks. The team were efficient and easy to have around. Windows look great and open smoothly.
Beth D
Highly recommend the team at IWWS. I originally contacted them to get a quote for a full replacement of our heritage sash windows, but Nathan suggested we keep the original windows and repair and seal them instead. He was incredibly knowledgeable about the work and has a genuine passion for what he does. The team were efficient, friendly and accommodating, and worked to a high standard. The windows are like brand new (which is saying something given how run down they were) and the noise and draft reduction is significant. I’m really glad we were able to keep the original features and really pleased with the result.
Sarah Findley
Nathan and the team at IWWS are true professionals, whose workmanship and passion in restoring sash windows , sills and frames to one of our heritage projects was a Masterclass in skill and quality. Complete satisfaction with these guys. Couldn’t recommend highly enough
Tom Sherington
Happy with the work the guys did on the windows of my Federation home. Windows have a new lease of life even if they are 120 yr old already!
Barb Best
We get a lot of questions from homeowners who want better comfort, less noise, and improved performance from their existing windows—without replacing them. Below are some of the most common things we’re asked about our services and approach.
Yes. In most cases original timber windows can be fully restored rather than replaced. Restoration repairs damaged timber, replaces worn components and upgrades glazing and sealing systems, allowing the windows to perform far better while keeping the original character of the home.
Heritage window restoration can address a wide range of issues including rattling or sticking sashes, broken glass panes, wood rot, worn hardware and draughts. By repairing these elements and servicing the window system, the windows can operate smoothly again and provide improved comfort.
Yes. During restoration we can install draught-proofing seals and upgrade glazing where appropriate. These improvements help reduce unwanted airflow, stabilise indoor temperatures and make the home more comfortable in both summer and winter.
Yes. Where required we reglaze windows using heritage-matched glass to maintain the traditional appearance of the home. This ensures the windows continue to look authentic while benefiting from improved functionality.
Where timber is affected by rot or damage we repair and restore the original material wherever possible. Sections of timber are only replaced when necessary, helping preserve the integrity and craftsmanship of the original windows.
With proper restoration and maintenance, heritage timber windows can last for many decades and often over 100 years. High-quality repairs, upgraded components and protective finishes help extend the lifespan of the original windows significantly.
Yes. Our qualified carpenters restore timber windows in heritage and period homes and regularly work alongside heritage architects on specialised projects. Our approach focuses on preserving the historical character of the building while improving comfort and durability.